Page 1 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) Issue Date 2019-02-25 HUAWEI TECHNOLOGIES CO., LTD.
Page 2 Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS"...
Page 3: About This Document
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) About This Document About This Document Overview This manual uses one single-input and one dual-input scenarios as examples. The figures are for reference only. Product Model Figure 1 Product model...
Page 4 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) About This Document Symbol Description Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
Page 5: Table Of Contents
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) Contents Contents About This Document ........................ii 1 User Manual Usage ........................1 2 Safety Precautions ......................... 2 2.1 General Safety Precautions ............................2 2.2 Electrical Safety ................................3 2.3 Environmental Safety ..............................
Page 6 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) Contents 5.2.1 Obtaining Technical Documents ..........................32 5.2.2 Obtaining Tools and Materials ..........................33 5.2.3 Preparing Consumables ............................36 5.2.4 Checking Personnel Requirements .......................... 36 5.2.5 Checking the Installation Environment ........................36 5.3 Installing the PDC ...............................
Page 7 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) Contents 7.4.3.4 Threshold ................................100 7.4.4 Maint..................................102 7.4.4.1 Loading Configurations ............................104 7.4.4.2 Downloading Configurations ..........................107 7.4.4.3 Downloading Logs .............................. 108 7.4.4.4 Exporting Alarms ..............................110 7.4.4.5 Exporting E-labels ..............................
Page 8: User Manual Usage
 You are not allowed to modify configuration parameters without permission when using the modular precision PDC. If a modification is necessary, contact Huawei technical support. Huawei shall not be responsible for any loss caused by unauthorized configuration modification.
Page 9: Safety Precautions
Only qualified professionals are allowed to remove safety facilities and check the equipment.  Only personnel certified or authorized by Huawei are allowed to replace or change the equipment or components (including software).  Any fault or error that might cause safety problems must be reported immediately to a supervisor.
Page 10: Electrical Safety
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 2 Safety Precautions  The device (or system) must be connected permanently to the protection ground before operation. Before operating the device, check its electrical connection to ensure that it is securely grounded.
Page 11: Environmental Safety
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 2 Safety Precautions Power Cable Do not install or remove power cables when the device is on. Transient contact between the core of the power cable and the conductor may generate electric arcs or sparks, which may cause fire or injury to human eyes.
Page 12: Laying Out Cables
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 2 Safety Precautions  Be careful to prevent injury when moving heavy objects.  It is recommended that tools such as a pallet truck be used to transport the heavy PDC.
Page 13: Pdc Label Description
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 2 Safety Precautions  1QF1: indicates the first switch of route I.  2QF1: indicates the first switch of route II.  QF1: indicates the first switch when there is only one input.
Page 14: Overview
Figure 3-1 Positioning of the modular precision PDC 3.2 Appearance The PDU8000 modular precision PDC features a standard M-type cabinet structure and is equipped with a smart precision monitoring system. It provides comprehensive functions for power distribution, electrical parameter measurement, and alarm reporting.
Page 15: Appearance Of The Modular Precision Pdc With A Single Input
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 3 Overview 3.2.1 Appearance of the Modular Precision PDC with a Single Input For the internal structures, see Figure 3-2 Figure 3-3. Figure 3-2 Appearance (1) Input module (2) Output module 1...
Page 16: Appearance Of The Modular Precision Pdc With Dual Inputs
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 3 Overview Figure 3-3 Appearance (1) Indicators (2) MCCB input circuit breaker (3) SPD and SPD circuit breaker (4) Monitoring board 1 (5) Monitoring board 2 (6) Monitoring board 3...
Page 17 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 3 Overview Figure 3-4 Appearance (1) Input module (2) Output module 1 (3) Output module 2 (4) Output module 3 Issue 01 (2019-02-25) Copyright © Huawei Technologies Co., Ltd.
Page 18: Features
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 3 Overview Figure 3-5 Appearance (1) Indicator of route I (2) Indicator of route II (3) Input circuit breaker of route I (4) Input circuit breaker of route II...
Page 19: Technical Specifications
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 3 Overview Feature Description Safe and reliable Certified by CCC, CE, and TL Passed level 8/9 seismic intensity tests and high/low temperature reliability tests Reliable copper bar connection Multi-functional isolation board that withstands fault arcs,...
Page 20: Modules
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 3 Overview 3.5 Modules A modular precision PDC mainly consists of the structural module, power distribution module, monitoring module, and accessories. 3.5.1 Configuration Principle General Principles A modular precision PDC consists of the cabinet, power distribution subracks, MCCBs, MCBs, cables, wiring terminals, fuse suite, indicators, and transformers.
Page 21 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 3 Overview Table 3-3 Configuration description Cabinet Configuration Height Input module 10 U Output module 1 10 U Output module 2 10 U Output module 3 10 U Table 3-4 Configuration principles for container data center application scenario...
Page 22 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 3 Overview Input Input Module/Output Input Module/Output Category Module/Out Module BOM Number Module Configuration put Module Output module 21140695 (3 U filler panel) Two 3U filler panels, one 4...
Page 23 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 3 Overview Table 3-5 Configuration principles for the micro-module application scenario Input Input Module/Output Input Module/Output Category Module/Out Module BOM Number Module Configuration put Module 02115027 Input module 02311LTF...
Page 24: Structural Module
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 3 Overview Input Input Module/Output Input Module/Output Category Module/Out Module BOM Number Module Configuration put Module  02311NQE Output module  02311NQF  02311LTH Optional module when temperature detection is...
Page 25: Power Distribution Module
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 3 Overview Figure 3-7 Structural module (1) Top plate (2) C-shaped structural steel (3) Rack rail (4) Side beam/cabling beam (5) Bottom plate 3.5.3 Power Distribution Module The power distribution module is used for receiving and distributing power, and consists of the MCCB input module and MCB output module.
Page 26 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 3 Overview Figure 3-8 Single-route MCCB input module Figure 3-9 Dual-route MCCB input module Issue 01 (2019-02-25) Copyright © Huawei Technologies Co., Ltd.
Page 27: Monitoring Module
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 3 Overview Figure 3-10 MCB output module Table 3-6 Module function description Module Function MCCB input module Provides overload and short-circuit protection. Collects currents. Provides level C surge protection.
Page 28 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 3 Overview Figure 3-12 Monitoring board Table 3-7 Module function description Module Function Set PDC parameters and view the PDC operating status and alarms. Upgrades the software. Monitoring board Collects parameters such as circuit breaker status, and voltages and currents of the main and branch routes.
Page 29: Components
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 3 Overview 3.6 Components 3.6.1 MDU Figure 3-13 Front view of an MDU (1) Alarm indicator Table 3-8 Indicator status Indicator Status Description A critical alarm is generated, and the buzzer buzzes.
Page 30 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 3 Overview Figure 3-14 MDU port (1) MUS05A (2) FE (3) CAN (4) RS485_1 (5) USB Host (6) RST (7) SD (8) SW1–4 Table 3-9 Ports at the rear of the MDU...
Page 31 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 3 Overview The UI login users include admin and operator. The two types of users have slightly different permission in terms of operating functional menus. Table 3-10 User rights description...
Page 32: Monitoring Board Module
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 3 Overview 3.6.2 Monitoring Board Module Figure 3-15 Appearance of a monitoring board module (1) Indicator Table 3-11 Indicator description Indicator Status Description Blinking green slowly The monitoring board is running properly.
Page 33: Mccb
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 3 Overview 3.6.3 MCCB Figure 3-16 MCCB exterior Table 3-12 MCCB functions and specifications Item Remarks Function Connects and disconnects the circuit under normal working status. Provides overload and short-circuit protection.
Page 34 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 3 Overview Figure 3-17 Appearance of a 1P MCB Figure 3-18 Appearance of a 2P MCB Figure 3-19 Appearance of a 3P MCB Table 3-13 MCB functions and specifications...
Page 35 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 3 Overview Item Remarks Specifications Rated voltage:  IEC 1P, 2P, 3P: 230/400 V AC  UL489 1P, 2P, 3P: 277/480 V AC Rated insulation voltage: 440 V AC Rated frequency: 50 Hz/60 Hz Operating temperature: –25°...
Page 36: Acceptance Guide
Step 1 Check whether the tiltwatch indicator on the carton has turned red. If yes, record the information and contact the equipment carrier and the local Huawei office immediately. Step 2 Visually inspect the equipment appearance to check whether the equipment is paint-peeling, misshapen, scratched, or soaked.
Page 37 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 4 Acceptance Guide Step 2 Cut off and remove the binding straps. Figure 4-1 Removing the binding straps Step 3 Remove the packing materials and foam. Figure 4-2 Unpacking Issue 01 (2019-02-25) Copyright ©...
Page 38 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 4 Acceptance Guide Step 4 Remove the plastic bag, take out the fitting box, and put it away. ----End Issue 01 (2019-02-25) Copyright © Huawei Technologies Co., Ltd.
Page 39: Installation Guide
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide Installation Guide 5.1 Site Requirements The PDC site requirements are as follows:  Far away from dust, smoke, harmful gas, and corrosive, flammable, or explosive objects.
Page 40: Obtaining Tools And Materials
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide Technical Document Function Obtaining Method Shipping List Describes the products and Delivered with the product. their quantities for onsite verification during acceptance. PDU8000 Modbus External Enables configuration...
Page 41 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide Categor Tools and Materials Crimping tool Wire stripper Hydraulic pliers Wire clippers Hammer drill Heat gun Vacuum cleaner Power tools Multimeter Electroprobe Network cable tester Instrume...
Page 42 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide Categor Tools and Materials Hammer drill bits(Φ16) Hacksaw Step ladder (2 m) Rubber mallet Nylon cable tie Polyvinyl chloride Marker (PVC) insulation tape ESD gloves Protective gloves...
Page 43: Preparing Consumables
5.2.5 Checking the Installation Environment Ensure that the installation environment meets the requirements listed in 5.1 Site Requirements before installation. Huawei will not be liable for any consequences caused if the installation environment does not meet the requirements. 5.3 Installing the PDC Prerequisites ...
Page 44: Transporting The Pdc
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide 5.3.1 Transporting the PDC Context The PDC weighs about 350 kg. Take protective measures during movement to prevent toppling and bumping. Procedure Step 1 Move the PDC to the specified installation position using a forklift.
Page 45 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide Figure 5-2 Installing the unloading ramp Step 5 Adjust the PDC leveling feet using a wrench to ensure that all castors touch the ground. Figure 5-3 Adjust the PDC leveling feet To prevent cabinet tilting and avoid equipment damage, adjust all the feet instead of one foot.
Page 46: Installing The Pdc On A Concrete Floor
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide ----End 5.3.2 Installing the PDC on a Concrete Floor Procedure Step 1 Determine the PDC installation position. Step 2 Mark the positions for installing expansion bolts.
Page 47 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide Figure 5-5 Installing expansion sleeves (1) M12 bolt (2) Spring washer (3) Flat washer (4) Expansion sleeve (5) Concrete floor Step 7 Align the PDC mounting holes with the expansion bolt holes.
Page 48 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide Figure 5-6 Leveling the PDC (1) Level Step 10 Tighten the four M12 bolts. In the cabinet combination scenario, the bolts need to be pretightened. Step 11 (Optional) Combine cabinets.
Page 49 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide Figure 5-7 Combining PDCs Reinstall the front and rear doors of the PDC. Step 12 Use a torque wrench to tighten the bolts in diagonal order.
Page 50: Installing The Pdc On An Esd Floor
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide ----End 5.3.3 Installing the PDC on an ESD Floor Context A support is required when the PDC is installed on an ESD floor. The support height depends on the height between the ground and the ESD floor.
Page 51 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide Secure the connecting plates in the connection positions on the front door using screws, as shown by (3) in Figure 5-10. Use the same method to secure the connecting plates in the connection positions on the rear door.
Page 52: Installing Cables
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide 5.4 Installing Cables 5.4.1 Cable Routing Rules Binding Cables Table 5-3 Cable binding rules Cable Binding Rule Power cables and signal cables are bound separately with a distance above 150 mm.
Page 53 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide Figure 5-12 Cable ties in the same direction Figure 5-13 Binding cables in different colors Table 5-4 Cable binding interval Cable Diameter (mm) Binding Interval (mm) <...
Page 54 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide Figure 5-14 Not tied at bends Figure 5-15 Extra length for easier plug and unplug Figure 5-16 Stroking cables Cable Layout Table 5-6 Cable layout rules Cable Layout Rule The armoring layers of armored cables are grounded.
Page 55: Power Cable Specifications
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide Cable Layout Rule Connection ports and cabling methods facilitate maintenance, cable routing, and capacity expansion. Cable connectors prepared onsite must be normal, secure, reliable, and neat.
Page 56: Preparing Terminals
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide Wiring Rated Cable Terminal/Bolt Recommended Terminal Current Diameter Specifications Torque 40 A < I ≤ 63 10 mm OT-M6 4.9 N· m 5.4.3 Preparing Terminals Figure...
Page 57 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide Figure 5-18 Preparing an OT terminal (1) Cable (2) Heat shrink tubing (3) OT terminal (4) Hydraulic pliers (5) Heat gun Figure 5-19 Preparing a cord end terminal...
Page 58 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide Figure 5-20 568A RJ45 connector Figure 5-21 568B RJ45 connector Figure 5-22 4-wire Issue 01 (2019-02-25) Copyright © Huawei Technologies Co., Ltd.
Page 59: Connecting Cables
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide Figure 5-23 2-wire 5.4.4 Connecting Cables Cable Holes Figure 5-24 Cable holes at the top (1) Monitoring cable hole (2) Power cable inlet hole (3) Power cable outlet hole Issue 01 (2019-02-25) Copyright ©...
Page 60 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide Figure 5-25 Cable holes at the bottom (1) Power cable outlet hole (2) Power cable inlet hole Precautions Ensure that all circuit breakers, including upstream output circuit breakers, are switched off before connecting cables.
Page 61 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide Figure 5-26 Removing rodent-proof meshes at the top Put the rodent-proof meshes aside for future use. Step 2 (Optional) In the bottom cable routing scenario, cut open a number of round holes at the bottom based on the number of cables to be routed.
Page 62 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide Figure 5-27 Removing the transparent cover of the N bar Figure 5-28 Removing the transparent cover of the input copper bar Step 4 Secure one end of the ground cable to the ground bar inside the PDC, and secure the other end to the ground grid or busbar of the equipment room.
Page 63 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide Figure 5-29 Installing a Ground Cable Ground positions are reserved on the left and right sides at the upper part of the PDC. Select one ground position based on the position of the ground grid or busbar.
Page 64 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide Figure 5-30 Connecting input power cables Step 6 Connect output power cables. Issue 01 (2019-02-25) Copyright © Huawei Technologies Co., Ltd.
Page 65 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide Figure 5-31 Connecting output power cables Step 7 Figure 5-32 shows the overall effect after cable connection. Issue 01 (2019-02-25) Copyright © Huawei Technologies Co., Ltd.
Page 66 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide Figure 5-32 Overall cable connection effect Step 8 Connect one end of the PDC monitoring cable to the RS485_1 port on the LCD, and connect the other end to northbound device port.
Page 67 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide Figure 5-33 Connecting the monitoring cable (1) Monitoring cable outlet In the micro-module scenario, the monitoring cable is connected to the COM port of the northbound ECC800.
Page 68 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 5 Installation Guide When installing the transparent cover for the N bar, verify that one side of the cover is flush with the outer side of the N bar.
Page 69: Commissioning Guide
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 6 Commissioning Guide Commissioning Guide 6.1 Check Before Power-on Commissioning Table 6-1 Hardware installation checklist Check Item Result □Yes □No The cabinet is clean and free of dust, dirt, copper cuttings, and foreign matter.
Page 70: Power-On Commissioning
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 6 Commissioning Guide Table 6-3 Cable installation checklist Check Item Result □Yes □No All bolts are tightened, especially the bolts used for electrical connection. Flat washers and spring washers are installed properly.
Page 71 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 6 Commissioning Guide Figure 6-1 Switching off the SPD circuit breaker Check that the insulation resistances of the power distribution devices and feed circuit are no less than 0.5 megohm.
Page 72 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 6 Commissioning Guide The input power circuit breaker refers to the output circuit breaker that controls power supply from the upstream power distribution equipment to the PDC. Step 5 After the MDU screen starts, log in to the system as the Admin or Operator user (the preset...
Page 73 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 6 Commissioning Guide Turn off the input switches in the PDC. Turn off the input power circuit breaker. ----End Issue 01 (2019-02-25) Copyright © Huawei Technologies Co., Ltd.
Page 74: Mdu Commissioning Guide
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide MDU Commissioning Guide 7.1 UI Appearance After the MDU is powered on, the main screen is displayed. The main screen consists of a status bar, an alarm bar, a menu bar, and an information area.
Page 75 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Area Function Description Alarm bar The alarm bar displays active alarms in a scrolling manner and the numbers of active critical alarms, major alarms, and warnings. You can click to enter the Active Alarm screen.
Page 76: Menu Hierarchy
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide 7.2 Menu Hierarchy Figure 7-2 Menu hierarchy 7.3 Common Functions On this screen, you can query the status of Historical Alarm, Branch Output 1, and Branch Output 2.
Page 77: Historical Alarm
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-3 Main screen Figure 7-4 Common Functions 7.3.1 Historical Alarm On the Common Functions screen, tap Historical Alarm to view detailed alarm information, including Severity, Name, ID, Generate time, and Clear time.
Page 78: Branch Output 1
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-5 Common Functions Figure 7-6 Historical Alarm 7.3.2 Branch Output 1 On the Common Functions screen, tap Branch Output 1 to view detailed parameters of circuit breakers in Branch Output 1.
Page 79: Branch Output 2
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-7 Common Functions Figure 7-8 Branch Output 1 7.3.3 Branch Output 2 On the Common Functions screen, tap Branch Output 2 to view detailed parameters of circuit breakers in Branch Output 2.
Page 80: System Info
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-9 Common Functions Figure 7-10 Branch Output 2 7.4 System Info. On this screen, you can query the operating status, alarm status, and software version of the system.
Page 81: Running
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-11 System Info. 7.4.1 Running On this screen, you can query the operating status of Main Input 1, Branch Output 1, Input 1 Curve, Main Input 2, Branch Output 2, Input 2 Curve, and Query Energy Yield.
Page 82: Main Input 1
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-13 Running (1) Figure 7-14 Running (2) 7.4.1.1 Main Input 1 On the Running screen, tap Main Input 1 to enter the screen. Issue 01 (2019-02-25)
Page 83 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-15 Running Figure 7-16 Main Input 1 (1) Issue 01 (2019-02-25) Copyright © Huawei Technologies Co., Ltd.
Page 84 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-17 Main Input 1 (2) Figure 7-18 Main Input 1 (3)  Power factor Indicates the proportion of passive power to apparent power. ...
Page 85: Branch Output 1
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Indicates the load ratio of each phase, that is, ratio of actual power to rated power.  Total Active Power (kW) Indicates the sum of active power of all phases of the mains input.
Page 86: Input 1 Curve
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-20 Branch Output 1 7.4.1.3 Input 1 Curve On the Running screen, tap Input 1 Curve to view the load ratio of each phase (L1/L2/L3) of the main input.
Page 87: Main Input 2
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-22 Input 1 Curve 7.4.1.4 Main Input 2 On the Running screen, tap Main Input 2 to enter the screen. Figure 7-23 Running Issue 01 (2019-02-25)
Page 88 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-24 Main Input 2 (1) Figure 7-25 Main Input 2 (2) Issue 01 (2019-02-25) Copyright © Huawei Technologies Co., Ltd.
Page 89: Branch Output 2
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-26 Main Input 2 (3) 7.4.1.1 Main Input 1 describes the meanings of the parameters. 7.4.1.5 Branch Output 2 On the Running screen, tap Branch Output 2 to view detailed parameters of Branch Output 2.
Page 90: Input 2 Curve
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-28 Branch Output 2 7.4.1.6 Input 2 Curve On the Running screen, tap Input 2 Curve to view the load ratio of each phase (L1/L2/L3) of the main input.
Page 91: Query Energy Yield
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-30 Input 2 Curve 7.4.1.7 Query Energy Yield On the Running screen, tap to enter the next screen, and tap Query Energy Yield to enter the screen.
Page 92: Alarms
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-32 Running (2) Figure 7-33 Query Energy Yield 7.4.2 Alarms Under this menu, you can view Active Alarm and Historical Alarm, and set the Buzzer Off and Buzzer On state.
Page 93: Active Alarm
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-34 System Info Figure 7-35 Alarms 7.4.2.1 Active Alarm On the Alarm screen, tap Active Alarm to view detailed alarm information, including Severity, Name, ID and Generate time.
Page 94: Historical Alarm
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-36 Alarms Figure 7-37 Active Alarm 7.4.2.2 Historical Alarm On the Alarms screen, tap Historical Alarm to view detailed alarm information, including Severity, Name, ID, Generate time, and Clear time.
Page 95: Buzzer Off
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-38 Alarms Figure 7-39 Historical Alarm 7.4.2.3 Buzzer Off Two buzzer control items are available, that is, Buzzer On and Buzzer Off. If the buzzer of the system is in the Buzzer Off state, Buzzer On is displayed on the operation screen.
Page 96 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-40 Alarms Figure 7-41 Buzzer Off (1) Issue 01 (2019-02-25) Copyright © Huawei Technologies Co., Ltd.
Page 97: Settings
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-42 Buzzer Off (2)  Buzzer On and Buzzer Off can be set in the same way.  If you enable the buzzer, the buzzer buzzes when a critical alarm, minor alarm, or warning is generated.
Page 98 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide  The default user name is admin or operator, and the initial password is 000001.  After you enter an incorrect password for three consecutive times, your account is locked for 5 minutes.
Page 99: Communication
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Set the time and date in the Common screen correctly. Otherwise, the time displayed in Running and Alarms will be misleading for maintenance and service operations.
Page 100 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-47 Communication (2)  IP address assign − If the MDU is directly connected to a computer, the IP address can only be allocated manually.
Page 101: System Param
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Set an Ethernet gateway. The value ranges from 0.0.0.0 to 255.255.255.255. The default value is 192.168.0.1.  Serial port baud rate Set the serial port communications rate. The value options include 4800, 9600, and 19200.
Page 102 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-49 System Param. (1) Figure 7-50 System Param. (2) Issue 01 (2019-02-25) Copyright © Huawei Technologies Co., Ltd.
Page 103 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-51 System Param. (3) Figure 7-52 System Param. (4) Issue 01 (2019-02-25) Copyright © Huawei Technologies Co., Ltd.
Page 104 Figure 7-54 System Param. (6)  Rated frequency (Hz) Specifies the rated frequency of the PDU8000. The value ranges from 45 to 65.  Rated line voltage (V) Specifies the rated voltage of the PDU8000. The value ranges from 100 to 480.
Page 105: Branch Param
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide  Main input 1 CT ratio The value ranges from 50 to 800.  Main input 2 CT ratio The value ranges from 50 to 800.
Page 106 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-55 Settings Figure 7-56 Branch Param.  CT Ratio Indicates the ratio coefficient between the input and output ends of the current transformer. The value ranges from 0 to 10.
Page 107: Threshold
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide 7.4.3.4 Threshold On the Settings screen, tap Threshold to enter the screen. Figure 7-57 Settings Figure 7-58 Threshold (1) Issue 01 (2019-02-25) Copyright © Huawei Technologies Co., Ltd.
Page 108 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-59 Threshold (2) Figure 7-60 Threshold (3)  Open phase voltage (V) The value ranges from 0 to 60.  Voltage harmonic alarm (%) Specifies the voltage harmonic alarm threshold.
Page 109: Maint
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide  System overvoltage (%) Specifies the upper alarm threshold in relative to the rated voltage. The value ranges from 105 to 125.  Overvoltage ack.time (s) Specifies the duration for confirming an overvoltage alarm.
Page 110 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-61 System Info. Figure 7-62 Maint. (1) Issue 01 (2019-02-25) Copyright © Huawei Technologies Co., Ltd.
Page 111: Loading Configurations
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-63 Maint. (2) 7.4.4.1 Loading Configurations Context The Load Config. function enables you to set system parameters. Note that the function may change the original model configuration parameter values.
Page 112 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-64 Inserting the USB flash drive Step 2 Log in to the Maint. screen as user admin, and tap Load Config. to enter the screen.
Page 113 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-66 Load Config. (1) Step 3 Select the file to be loaded, and tap Next. On the displayed dialog box, tap Ok. The progress bar for configuring parameters is displayed.
Page 114: Downloading Configurations
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide 7.4.4.2 Downloading Configurations Procedure Step 1 Insert the USB flash drive. Step 2 On the Maint. screen, tap Download Config. to enter the screen. Figure 7-68 Maint.
Page 115: Downloading Logs
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-70 Download Config. (2) ----End 7.4.4.3 Downloading Logs Procedure Step 1 Insert the USB flash drive. Step 2 On the Maint. screen, tap Download Logs to enter the screen.
Page 116 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-72 Download Logs (1) Step 3 Select the storage path and click Next to download. Figure 7-73 Download Logs (2) Issue 01 (2019-02-25) Copyright © Huawei Technologies Co., Ltd.
Page 117: Exporting Alarms
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-74 Download Logs (3) ----End 7.4.4.4 Exporting Alarms Procedure Step 1 Insert the USB flash drive. Step 2 On the Maint. screen, tap Export Alarms to enter the screen.
Page 118: Exporting E-Labels
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-76 Export Alarms (1) Step 3 Select the storage path and click Next to Export. Figure 7-77 Export Alarms (2) ----End 7.4.4.5 Exporting E-labels Procedure Step 1 Insert the USB flash drive.
Page 119 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Step 2 On the Maint. screen, tap to enter the next screen, and Export E-labels to enter the screen. Figure 7-78 Maint. (1) Figure 7-79 Maint. (2) Issue 01 (2019-02-25) Copyright ©...
Page 120: Uploading Modbus Configurations
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-80 Export E-labels (1) Step 3 Select the storage path and click Next to download the e-labels. Figure 7-81 Export E-labels (2) ----End 7.4.4.6 Uploading Modbus Configurations Procedure Step 1 Insert the USB flash drive.
Page 121 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Step 2 On the Maint. screen, tap Upload Modbus Config to enter the screen. Figure 7-82 Maint. (1) Figure 7-83 Maint. (2) Issue 01 (2019-02-25)
Page 122: Downloading Modbus Configurations
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-84 Upload Modbus Config (1) Step 3 Select the storage path and click Next to upload the configurations. Figure 7-85 Upload Modbus Config (2) ----End 7.4.4.7 Downloading Modbus Configurations...
Page 123 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Step 2 On the Maint. screen, tap Download Modbus Config to enter the screen. Figure 7-86 Maint. (1) Figure 7-87 Maint. (2) Issue 01 (2019-02-25)
Page 124: Upgrade Software
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-88 Download Modbus Config (1) Step 3 Select the storage path and click Next to download the configurations. Figure 7-89 Download Modbus Config (2) ----End 7.4.4.8 Upgrade Software...
Page 125 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Procedure Step 1 Connect a USB flash drive to the USB Host port. The message A new USB device is found is displayed. Step 2 Log in to the Maint. screen as user admin and tap Upgrade Software.
Page 126 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-92 Upgrade Software (2) Tap the folder to view its subfolders. Step 4 On the displayed screen, wait until the software package is automatically copied and parsed.
Page 127 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-94 Upgrade Software (4) Step 5 After the software package is copied and parsed, the software activation screen is displayed again. Select the software package and tap Details to activate the software package.
Page 128: About
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-96 Upgrade Software (6)  The MDU is not restarted if the software for the monitoring board is activated and is restarted if the software for the MDU is activated.
Page 129: Operating Status
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-97 System Info. screen Figure 7-98 About 7.5 Operating Status On the main screen, tap Operating Status to enter the screen and query the circuit breaker status of the mains and branches.
Page 130: Dip Switches
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-99 Main screen Figure 7-100 Operating Status 7.6 DIP Switches The DIP switches are located at the back of the MDU. Issue 01 (2019-02-25)
Page 131 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 7 MDU Commissioning Guide Figure 7-101 DIP switches The following lists the functions of the DIP switches:  DIP1: Controls the CAN build-out resistor and is set to ON by default.
Page 132: Maintenance Guide
Powering off the PDC may interrupt all services. Before disconnecting power, ensure that related emergency plans have been worked out and permissions have obtained from parties involved. Huawei bears no responsibility for any accidents or loss. Issue 01 (2019-02-25) Copyright © Huawei Technologies Co., Ltd.
Page 133 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 8 Maintenance Guide Table 8-2 Routine maintenance for the PDC Maintenance Maint Operation Expected Exception Handling Item enanc Guide Result Interv Three phase Monthl Check the The three Replace the indicator that...
Page 134: Alarm Reference
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 8 Maintenance Guide Maintenance Maint Operation Expected Exception Handling Item enanc Guide Result Interv Operating Quarter Point  Operatin Check whether the air temperature thermometer conditioner and and humidity of...
Page 135 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 8 Maintenance Guide Alarm Alarm Impact Possible Solutions Name Severity Cause Configuring Warning The MDU is The MDU is board ... configuring the configuring power the power distribution distribution detection board.
Page 136 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 8 Maintenance Guide Alarm Alarm Impact Possible Solutions Name Severity Cause Main input Critical The input power The input Check the input power. outage has three open power supply phases.
Page 137 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 8 Maintenance Guide Alarm Alarm Impact Possible Solutions Name Severity Cause Main input Major The input The input Check the input power. underfreque frequency is 1.5 power supply Hz lower than the is faulty.
Page 138 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 8 Maintenance Guide Alarm Alarm Impact Possible Solutions Name Severity Cause Br. circuit Critical A branch switch breaker off has changed from ON to OFF. Branch Warning A branch switch...
Page 139: Troubleshooting
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 8 Maintenance Guide Figure 8-1 Common polarity terminal and common terminal of the transformer (1) Common polarity terminal (2) Common terminal 8.4 Troubleshooting Symptom Possible Cause Solution 1. Replace the The LCD fails to ...
Page 140: Parts Replacement
2. Contact Huawei technical support. 8.5 Parts Replacement This document describes only the replacement method for certain components. If a faulty component to be replaced is not covered in this document, contact Huawei technical support. 8.5.1 Replacing an SPD Module Prerequisites ...
Page 141 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 8 Maintenance Guide Figure 8-2 Remove the protective panel Step 2 Switch off the SPD circuit breaker. Step 3 Detect the L1, L2, L3, and N voltages to the PE using an electrical tester pen, and verify that the faulty SPD has no voltage before replacing the faulty SPD.
Page 142: Replacing An Indicator
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 8 Maintenance Guide Figure 8-4 Replacing an SPD Module  If there is a faulty surge protection module, it is recommended that all surge protection modules be replaced. ...
Page 143 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 8 Maintenance Guide Figure 8-5 Opening the indicator protection panel Step 3 Loosen the screw at the back of the indicator using a Phillips screwdriver, and remove the cables, as shown in Figure 8-6.
Page 144: Replacing An Mcb
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 8 Maintenance Guide Step 9 Install the fuse terminal block to its original position. ----End 8.5.3 Replacing an MCB Prerequisites Before replacement, ensure that the input and output switches are OFF, and that the upstream and downstream switches are also OFF.
Page 145 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 8 Maintenance Guide Figure 8-7 Removing the panel Step 3 Remove cables connected to the left and right sides of the MCB, as shown in Figure 8-8. When removing cables, label the cables with corresponding terminal ports for later connection.
Page 146 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 8 Maintenance Guide Figure 8-8 Removing cables Step 4 Push the black clip of the MCB outwards using a flat-head screwdriver. Then remove the MCB along the inner side of the PDC, as shown in Figure 8-9.
Page 147 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 8 Maintenance Guide Figure 8-10 Removing the MCB Step 5 Install a new MCB. Step 6 Connect cables. The recommended cable hole for the MCB is shown by (1) in Figure 8-11.
Page 148: Replacing A Fuse
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 8 Maintenance Guide 8.5.4 Replacing a Fuse Prerequisites When replacing a fuse, you must wear insulated gloves, and must not touch the input copper bar.  Tools required: insulated gloves, key to the PDC door ...
Page 149 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 8 Maintenance Guide Fuse Specifications Fuse of phase L2 of power board 1 Fuse of phase L3 of power board 1 Fuse of phase L3 of monitoring board 1...
Page 150: Replacing The Monitoring Board
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 8 Maintenance Guide Fuse Specifications 1FU13/2FU13 Fuse of phase L3 of monitoring board 3 or fuse of phase L1 of monitoring board 6 1FU14/2FU14 Fuse of phase L2 of monitoring board 3 or fuse of phase L2 of...
Page 151 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 8 Maintenance Guide Procedure Step 1 Loosen the two bolts on the monitoring module, as shown by (1) in Figure 8-14. Step 2 Open the two crowbars on the monitoring module, as shown by (2) in Figure 8-14.
Page 152: Replacing An Mdu
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 8 Maintenance Guide 8.5.6 Replacing an MDU Prerequisites  Tools required: a Phillips screwdriver and key to the PDC cabinet door  Materials required: a new intact MDU The MDU can be replaced online without disconnecting the power supply.
Page 153 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) 8 Maintenance Guide Step 7 After the MDU is replaced, the new MDU automatically checks whether its configurations are consistent with the rack configuration during startup. If an inconsistency is found, the MDU...
Page 154: A Contacting Huawei Technical Support
Full name of the site where the alarm occurs  Name and phone number of the contact person  Scenario and detailed alarm information You can obtain Huawei support over the network or telephone. For details, see Table A-1. Table A-1 Obtaining technical support from Huawei If...
Page 155 Before logging in to the Huawei technical support website, register a device user account by entering information about the Huawei product that you have purchased. Before logging in to the Huawei technical support website, register a device user account by entering information about the Huawei product that you have purchased.
Page 156: B Acronyms And Abbreviations
PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) B Acronyms and Abbreviations Acronyms and Abbreviations alternating current Application automatic transfer switch bottom support program control area network China Compulsory Certification conformite europende current transformer Control Union Data Encryption Standard...
Page 157 PDU8000 Modular Precision Power Distribution Cabinet User Manual (1100 mm Deep) B Acronyms and Abbreviations Internet Protocol identity Internet technology liquid crystal display LCD user interface message digest algorithm 5 miniature circuit breaker MCCB molded case circuit breaker monitor display unit...

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