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Sony LY51 Instruction Manual
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Sony LY51 Instruction Manual

Sony LY51 Instruction Manual

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  • Page 1 sales@artisantg.com artisantg.com (217) 352-9330 | Visit our website - Click HERE...
  • Page 2 表示ユニット / Display Unit / Anzeigeeinheit LY51 お買い上げいただき、ありがとうございます。 ご使用の前に、この取扱説明書を必ずお読みください。 ご使用に際しては、この取扱説明書どおりお使いください。 お読みになった後は、後日お役に立つこともございますので、必ず保管してください。 Read all the instructions in the manual carefully before use and strictly follow them. Keep the manual for future references. Lesen Sie die ganze Anleitung vor dem Betrieb aufmerksam durch und folgen Sie beim Betrieb des Geräts den Anweisungen.
  • Page 3 [ For EU and EFTA countries ] [For the customers in U.S.A.] CE Notice WARNING Making by the symbol CE indicates compliance of the This equipment has been tested and found to comply with EMC directive and the Low-voltage directive of the the limits for a Class A digital device, pursuant to Part 15 of European Community.
  • Page 4 Safety Precautions Warning Indication Meanings The following indications are used throughout this Sony Precision Technology products are designed manual, and their contents should be understood in full consideration of safety. However, improper before reading the text. handling during operation or installation is...
  • Page 5 Warning! Caution! • • Do not use the display unit with voltages other When unplugging the power plug, do not pull on than the indicated power voltage, and do not the power cord as this may damage the cord connect multiple plugs to a single outlet as this and result in fire or electrical shock.

  • Page 6: Table Of Contents

    CONTENTS 4-6-8. Linear compensation setting ......151 PREPARATIONS 4-6-9. Universal input signal setting ......153 4-6-10. Universal output signal setting ......155 1. NOTES TO USERS ............106 4-6-11. Key lock setting ..........157 1-1. General Precautions ..........106 4-6-12. Current value store enable/disable ....158 1-2.
  • Page 7 7-2. Zero Point Key Operations ........171 MAINTENANCE 7-2-1. Selecting the zero point menus ......171 7-2-2. Zero point load ........... 172 8. ALARM DISPLAY/OUTPUT ......... 186 7-2-3. Zero point hold ........... 172 7-2-4. Zero point offset load ......... 173 9.
  • Page 8 PREPARATIONS Be sure to read this section before use.

  • Page 9: Notes To Users

    1-1. General Precautions • Do not take the power supply from the When using Sony Precision Technology products, observe machine power line. the following general precautions along with those given specially in this manual to ensure proper use of the products.
  • Page 10 • Do not put on a vinyl cover directly over the display unit or put it in a closed container. Cutting oil Machine oil Switchboard (Keep min. 0.5 m/20" away.) RESET Chips PRINT LY51 MODE PEAK ENTER POWER Welder...

  • Page 11: Cautions On Operation

    1-3. Cautions on Operation • When there is a malfunction, related characters as shown in “8. ALARM DISPLAY/OUTPUT” are displayed instead of numbers. Refer to that section for information. • When you make an error in operation, or when an alarm message is displayed, retry the operation.

  • Page 12: Features

    2. FEATURES (1) High-reliability zero point reference function (5) Selectable display resolution Once the zero point is loaded, this function checks the value You can select the most suitable display resolution. However, every time the zero point is passed. If the position value fails the selectable resolutions vary depending on the input scale to correspond for 3 counts or more, the unit will send an alarm unit.
  • Page 13 • • Comparator function useful for sorting parts (option) A/B phase (up/down) output (option) By using the optional comparator units LZ51-K/R, the By using the optional A/B phase output unit LZ51-H, you comparator setting values can be compared with the current can output the input scale signal unit as an A/B phase or value to determine the data size.

  • Page 14: Name And Function Of Each Part

    3. NAME AND FUNCTION OF EACH PART This section gives the name of each part of the LY51 display Turns the power on and off. POWER switch unit and briefly describes the function. See the respective Resets the current value. Interrupts section for a detailed description of each function.
  • Page 15 Ground terminal ground the machine with the supplied ground wire before use. SIGNAL IN 2 LY51 Serial No. Sony Presicion Technology inc. AC IN connector Connect the power cord. MADE IN JAPAN Used for optional extension units. Extension unit slots...

  • Page 16: (Before Operation)

    Before operating the display unit, please read this section Caution! thoroughly for proper use of the unit. The LY51 display unit has an insulated frame GND and Also, make sure that you install and set the display unit circuit GND, but the connected scale unit may not be correctly in accordance with this manual.
  • Page 17 2. Push the connector (approximately 1 mm/0.039") until the Precautions for connecting the scale mounting plate touches the back-side panel of the display. • These are precautions for connecting the scale to the display unit. • Since a precision connector is used for this unit, please be careful connect to the display unit in a gentle way following the order described below.

  • Page 18: Installing The Display Unit

    (Unit: mm/inch) 4-2. Installing the Display Unit Since the LY51 display unit is designed to be mounted in line measurement devices, you can mount the unit on a panel. (See Fig. 1.) RESET PRINT Mounting the display unit on the panel...

  • Page 19: Connection Of Expansion Units

    Relay output type and open collector type comparator units cannot be used simultaneously without modification. Consult your service agent or the MS Service Division of Sony Precision Technology when you wish to use these comparator units together.

  • Page 20: I/O Connector

    Input signal pin assignment 4-4. I/O Connector +Vcc 15 EX. OUT2 Interface cable EX. RESET +5 V 16 CMP0 (Note) Use a shielded cable as shown in the figure below for the 10 EX. OUT1 17 CMP1 (Note) interface cable to be connected to the I/O connector. Connect 11 EX.

  • Page 21: Overview Of External Contact Point Input

    (Please procure the switch and shielded cable.) Note When using this contact point input as an external zero point, you can only use contact point switches or other ON/OFF signals. You cannot use Sony Precision Technology Magne-switches. • Input circuit <During +24 V, +12 V or other external power supply...
  • Page 22 Input circuit delay time When a signal is input, the input circuit produces a delay time until the signal is transmitted to the internal processing block. Care should be taken as this delay time varies widely according to the operating voltage of the input circuit. (Example) During +5 V operation, there is a delay time of approximately 3 ms until the...

  • Page 23: Open Collector Output

    4-4-2. Open Collector Output • Output circuit All output signals are output using an open collector equivalent to IC SN75468. When using as an open collector When using at TTL level <During +24 V, +12 V or other external power supply operation> <During internal +5 V operation>...

  • Page 24: Connection Diagram

    (2) During internal +5 V operatin 4-4-3. Connection Diagram (1) During +24 V, +12 V or other external power supply nput system circuit GND operation EX. RESET External reset input Input system circuit GND EX. RCL External recall input External reset input EX.

  • Page 25: Checking The Initial Settings

    4-5. Checking the Initial Settings The resolution of the LY51 display unit changes according to the input scale unit. The resolution is set automatically for some scale units including Magnescales, Digirulers and GA but must be set for use with other scale units. Be sure to set the correct resolution.

  • Page 26: Initial Settings (Be Sure To Perform These Preparatory Operations Before Use.)

    4-6. Initial Settings (Be sure to perform these preparatory operations before use.) • Initial setting mode The initial settings can be performed by one of the following The initial setting display mode results in the following cases. two methods. 1 When the power is turned on while depressing AUTO (Collective automatic settings): Code input according RESET 2 When the power is first turned on (when the initial settings...
  • Page 27 Initial setting menu configuration To collective setting by code input Initial MAIN AUTO settings (collective automatic settings) (main settings) (P.131 4-6-1.) MANUAL P.on 1 I.rS 4 I.SG 7 STr 0 (individual Expansion (power-on display (input scale unit (universal input (current value item unit* mode setting)
  • Page 28 “Initial value” and “Setting Hints” The initial values are input to the initial setting items. Therefore, it is not necessary to set all items and operation is possible simply by setting only the necessary items. (See “Initial setting menu configuration” on the previous page.) The “initial values” and “setting hints”...
  • Page 29 3 Display data setting This sets the data to be displayed on the main and sub-displays. The current value or the peak value (maximum, minimum and peak-to-peak values) can be displayed on the main display. If the peak value is selected for the main display, the display can be switched with the current value by pressing MODE/ENTER key.
  • Page 30 4 Input scale unit resolution setting This sets the input scale unit resolution. This item is automatically set for some scale units. See “4-6-6. Input scale unit resolution setting” (P.147) for details. The resolution of axes not selected in item 2 is automatically set to “None”. For example, if 1st axis only is selected in item 2, the resolution of the 2nd axis is “None”.
  • Page 31 (Yes) zero point signal*) screen.) * The zero point signal here uses a limit switch or other contact point signal. It does not use a Sony Precision Technology zero point sensor.
  • Page 32 8 Universal output signal setting The universal output signal function can be changed according to the purpose of use. There are two outputs. For individual input: (No) Setting unnecessary Output 1: Display mode Output (Initial value) Output 2: Alarm signals used? (Yes) “O.SG”...
  • Page 33 0 Current value store setting This function lets you recall the current value at the time the power was turned off when the power is turned on again. (No) Setting unnecessary For individual input: Regenerate the current value at the time the Not stored (Initial value) power was turned off...

  • Page 34: Menu Selection

    When an expansion unit is inserted, the unit setting display appears in the “–” portion. 2. Select the desired item with the cursor movement keys The selected item flashes. 3. Press while “MAIN” is flashing. ENTER The LY51 initial setting screen appears.
  • Page 35 (1) When AUTO is selected 5. Select “AUTO” and press ENTER Main display The collective automatic setting screen appears. Perform the settings according to the LY51 collective Sub-display automatic setting code table. See “4-6-2. Collective Automatic Setting” on page 135.
  • Page 36 (2) When MANUAL is selected 5. Select “MANUAL” and press ENTER The individual item setting menu screen appears. See the Main display settings for each item. (1) “P.on” : Power-on display mode setting Sub-display (P.139 4-6-3.) (12) (2) “Add” : Input axis and addition/subtraction axis settings (P.141 4-6-4.) (3) “dSP”...
  • Page 37 In these cases, the : Version No. [|] [|] . [|] [|] “End” display results. (4) When is pressed RESET 5. Press RESET Main display Ends the LY51 initial settings and returns to the initial setting menu. Sub-display...

  • Page 38: Collective Automatic Setting

    4-6-2. Collective automatic setting The initial setting items can be set at once using code input. This section describes the method for setting various items at once using code input. See the individual item descriptions below for a detailed description of each item. (Continued from 4-6-1 (1).) (P.132) 1.
  • Page 39 • To enter the set code 2. Press while code input table (2) is displayed. ENTER Main display Enters the setting contents. (Flashing → Lighted Sub-display steadily) The setting contents light steadily for approximately (Lights) 2 seconds for confirmation. ↓ When linear compensation is enabled, the settings do (After approx.
  • Page 40 LY51 collective code input table (1) Input axis, Power-on Display axis Input Display resolution addition/sub- mode resolution (* : Press , then input.) traction axis 1st digit 2nd digit 3rd digit 4th digit 5th digit 6th and 7th digit 8th and 9th digit...
  • Page 41 LY51 collective code input table (2) Linear Universal Universal Key lock Current A/B phase compensation input output value output storage 1st digit 2nd digit 3rd digit 4th digit 5th digit 6th digit 7th digit 8th digit 1st axis 2nd axis...

  • Page 42: Power-On Display Mode Setting

    4-6-3. Power-on display mode setting By setting the display mode when the power is turned on in the initial settings, this can be used as an alarm for when a momentary power failure occurs. Momentary RESET power failure Initial setting Power ON Counter display Initial setting display...
  • Page 43 • To enter the settings 3. After selecting the desired item, press ENTER Main display Enters the power-on display mode. Sub-display (In this case, initial setting mode (INIT) is selected.) The setting contents light steadily for (Lights) approximately 2 seconds for confirmation. ↓...

  • Page 44: Input Axis And Addition/Subtraction Axis Settings

    4-6-4. Input axis and addition/subtraction axis settings This sets whether a 1 or 2-axis scale unit is connected. It also performs the addition/subtraction axis setting in the case of 2-axis input. The peak hold value is calculated using the axes selected here as the current value. (Continued from 4-6-1 (2).) (P.133) 1.
  • Page 45 4. Select the desired item with the cursor movement Main display keys Sub-display The selected item flashes. “1+2” : 1st and 2nd axes added “1–2” : 2nd axis subtracted from 1st axis “2–1” : 1st axis subtracted from 2nd axis Press Sub-display The item menu is switched using...

  • Page 46: Display Data Settings

    4-6-5. Display data settings This sets the data to be displayed. (The display changes when the comparator units LZ51-K or LZ51-R are connected. In these cases, see the instruction manual of the comparator unit.) You can select blank display for axes that are not input by this setting. For example, if the input is set to 1st axis only by the previous item, the display is blank when the 2nd axis is selected for this item.
  • Page 47 (1) Main display setting (Continued from P.143.) 3. Select “MAIN” and press ENTER Main display Sets the data displayed on the main display. The selected item flashes. Sub-display “Cr” : Current value “MX” : Maximum value “MN” : Minimum value “PP”...
  • Page 48 (2) Sub-display (left side) setting (Continued from P.143.) 3. Select “SbL” and press ENTER Main display Selects the data displayed on the left side of the sub- Sub-display display. The selected item flashes. The initial setting is the minimum (MN) value. 4.
  • Page 49 (3) Sub-display (right side) setting (Continued from P.143.) 3. Select “Sbr” and press ENTER Main display Selects the data displayed on the right side of the Sub-display sub-display. The selected item flashes. The initial setting is the maximum value (MX). 4.

  • Page 50: Input Scale Unit Resolution Setting

    (4) End settings (Continued from P.143.) 3. Select “End” and press ENTER Main display or press RESET Sub-display Ends the display data settings. 4-6-6. Input scale unit resolution setting The resolution is set automatically for some scale units including Magnescales, Digirulers and GA. Magnescale: 0.0005 mm Digiruler:...
  • Page 51 (1) 1st axis (2nd axis) input resolution setting (Continued from P.147.) 3. Select “1SIG” and press ENTER Main display (Select “2SIG” for the 2nd axis.) The 1st axis input resolution can be set. Sub-display 4. Press Main display The resolution changes. Note The speed at which the display flashes Sub-display...

  • Page 52: Display Resolution

    4-6-7. Display resolution You cannot select a display resolution value higher than the resolution of the input scale unit signal. (Axes without scale unit input need not be set. The resolution of axes set to “None” by item 4-6-6. are also “None” for this item.) See the “Collective code input table (1)”...
  • Page 53 • To enter the settings 5. Set the required resolution and press ENTER Main display The 1st axis display resolution is set. Sub-display • To interrupt the settings 5. Press RESET Main display Interrupts the display resolution settings. (Previous setting contents remain.) Sub-display End settings (Continued from P.149.) 3.

  • Page 54: Linear Compensation Setting

    4-6-8. Linear compensation setting The linear compensation is the amount of compensation per 1 m, and can be input in 1 µm units up to a maximum ±600 µm. Input the linear compensation using the same minimum units as the input resolution in item 4-6-6. so that there are no fractions. (Otherwise, compensation cannot be applied correctly.) For example, input the linear compensation in 10 µm units for 0.01 mm input.
  • Page 55 • To enter the settings 5. Set the required linear compensation and press ENTER Main display The 1st axis linear compensation is set. Sub-display • To interrupt the settings 5. Press RESET Main display Interrupts the linear compensation settings. (Previous setting contents remain.) Sub-display (2) End settings (Continued from P.151.) 3.

  • Page 56: Universal Input Signal Setting

    4-6-9. Universal input signal setting The setting changes when the RS-232C unit LZ51-C (option) is connected. In this case, see the instruction manual of the RS-232C unit. (Continued from 4-6-1 (2).) (P.133) 1. Select “I.SG” and press ENTER Main display Selects the universal input signal.
  • Page 57 • To enter the settings 3. After selecting the desired item, press ENTER Main display Enters the universal input signal settings. (In this case, external restart (rST) is selected.) Sub-display The setting contents light steadily for approximately (Lights) 2 seconds for confirmation. ↓...

  • Page 58: Universal Output Signal Setting

    4-6-10. Universal output signal setting When the universal output is set to zero point output, the output signal goes “H” for the 100 ms when the zero point is passed. (Continued from 4-6-1 (2).) (P.133) 1. Select “O.SG” and press ENTER Main display Sets the universal output signal.
  • Page 59 • To enter the settings 5. Select the required signal and press Main display ENTER Enters the universal output 1 setting. Sub-display (In this case, alarm (ALM) is selected.) The setting contents light steadily for approximately (Lights) 2 seconds for confirmation. ↓...

  • Page 60: Key Lock Setting

    4-6-11. Key lock setting Key operations during operation can be prohibited to prevent workers from inadvertently changing the settings. When the keys are locked, all key operations except for the initial settings are prohibited. (Continued from 4-6-1 (2).) (P.133) 1. Select “KYL” and press ENTER Main display Key operations during operation can be enabled (LOCK) or...

  • Page 61: Current Value Store Enable/Disable

    4-6-12. Current value store enable/disable The unit can be set to store or not store the current value when the power is turned off. (Continued from 4-6-1 (2).) (P.133) 1. Select “STr” and press ENTER Main display Selects whether or not to store the current value when the power is turned off.

  • Page 62: A/B Phase Output Setting

    4-6-13. A/B phase output setting This function is valid only when using the optional LZ51-H. The setting is invalid in all other cases. (Continued from 4-6-1 (2).) (P.133) 1. Select “Ab.F” and press ENTER Main display Selects the output axis. Sub-display The selected item flashes.
  • Page 63 • To enter the settings 5. Select the required signal and press ENTER Main display Enters the output signal. (In this case, 1st axis A/B phase output (Ab.F) is Sub-display selected.) (Lights) The setting contents light steadily for approximately ↓ 2 seconds for confirmation.

  • Page 64: Operations

    OPERATIONS Refer to this section during normal use.

  • Page 65: Functions

    This function causes the unit to always wait for the zero point This section gives information on the special functions of the signal and therefore lowers the response speed (response LY51 display unit. frequency). To cancel this condition, the temporary stop status for the zero point reference mode is provided.

  • Page 66: Functions Of Keys And External Contact Point Inputs

    6. FUNCTIONS OF KEYS AND EXTERNAL CONTACT POINT INPUTS Zero point position unknown This section briefly explains the functions of each key and external contact point input in accordance with the display status of the display unit. Loading zero point Normal measure- Zero point wait See “7.

  • Page 67: Reset (Reset Key) And External Reset Input

    6-1. (Reset Key) and External Reset Input RESET Display Operation performed Operating procedure Related sections During initial Ends the initial setting mode and starts the measurement mode. Page 169: 7-1-1. setting mode Ending the initial settings During Page 169: 7-1-2. Sets the current value to “0”.

  • Page 68: Ref (Zero Point Key)

    6-2. (Zero Point Key) Display Operation performed Operating procedure Related sections During initial setting mode Ignored During measurement mode Starts the mode for performing zero point related Page 171: 7-2. processing. Zero Point Key Operations When an error message Ignored is displayed (“Error”...

  • Page 69: (Print Key)

    6-4. (Print Key) PRINT This key is used when the RS-232C unit LZ51-C (option) is connected. See the LZ51-C instruction manual for operation contents. Display Operation performed Operating procedure Related sections During initial setting mode Ignored During measurement mode Ignored (This is valid only when the LZ51-C is connected.) (during normal measurement and zero...

  • Page 70: Mode (Mode/Enter Key)

    MODE 6-6. (Mode/Enter Key) ENTER Display Operation performed Operating procedure Related sections During initial setting mode Selects and enters the item to be set with the initial Page 123: 4-6. settings. Initial Settings Switches the main display between the current value During measurement mode Page 181: 7-5.

  • Page 71: Operation

    7. OPERATION 7-1. Resetting .............. 169 7-6. External Contact Point Input Operations ....182 7-6-1. External restart ........182 7-1-1. Ending the initial settings ......169 7-1-2. Resetting the current value ....169 7-6-2. External latch .......... 182 7-6-3. External zero point ......... 183 7-1-3.

  • Page 72: Resetting

    7-1. Resetting The current value and error display can be reset using the key or external reset input. RESET 7-1-1. Ending the initial settings Press RESET Main display When you press while the first initial setting menu is RESET Sub-display displayed, the initial settings are ended and the count display appears.

  • Page 73: Resetting The Error Display

    7-1-3. Resetting the error display This clears the “Error” and “r.Error” displays. Press RESET Main display input the external reset. Sub-display Clears the maximum, minimum and peak-to-peak values and sets them to “0”. The zero point reference mode is also canceled. 7-1-4.

  • Page 74: Zero Point Key Operations

    7-2. Zero Point Key Operations Various operations related to zero point functions can be executed. Zero point key operation menu configuration LOAd (Zero point load) 7-2-2. HLd (Zero point hold/zero poit reference hold) 7-2-3. OFL (Zero point offset load) 7-2-4. rLd (Zero point reference load) 7-2-5.

  • Page 75: Zero Point Load

    7-2-2. Zero point load This starts the counting from the point when the zero point is passed. The maximum, minimum and peak-to-peak values are set to “0” and the operation restarts from the beginning. When zero point load is performed during the zero point reference mode, the zero point reference mode is canceled. (Continued from 7-2-1.) (P.171) 1.

  • Page 76: Zero Point Offset Load

    7-2-4. Zero point offset load This starts the counting from the set value at the point when the zero point is passed. The maximum, minimum and peak-to- peak values restart from the set value. When the zero point is loaded during the zero point reference mode, the zero point reference mode is canceled. (Continued from 7-2-1.) (P.171) 1.

  • Page 77: Zero Point Reference Load

    7-2-5. Zero point reference load This starts the counting from the point when the zero point is passed. The maximum, minimum and peak-to-peak values are set to “0” and the operation restarts from the beginning. The zero point reference mode starts after the zero point is passed. (Continued from 7-2-1.) (P.171) 1.

  • Page 78: Canceling The Zero Point Reference Mode

    7-2-7. Canceling the zero point reference mode This cancels the zero point reference mode. This operation is valid only during the zero point reference mode. (Continued from 7-2-1.) (P.171) 1. Select “rCL” and press ENTER Main display The REF LED goes off. Sub-display The zero point reference mode is canceled.

  • Page 79: Function Key Operations

    7-3. Function Key Operations Various operations can be performed in a menu format using the key . When optional I/O units are connected, menu items may be added. See the instruction manuals of the I/O units for the additional menus. (1) Presetting operation, recalling the preset value (2) Restarting operation (3) Absolute value display (2 seconds)

  • Page 80: Menu Selection

    7-3-1. Menu selection 1. Press Main display The various function items are displayed. Sub-display (1) “PrS” : Presetting (2) “rST” : Restarting (3) “AbS” : Absolute value display Press Sub-display The item menu is switched using (4) “AXIS” : Operation for each axis (This cannot be selected for the 1st axis only or 2nd axis only input settings.) Select “End”...

  • Page 81: Presetting Operation, Recalling The Preset Value

    7-3-2. Presetting operation, recalling the preset value This establishes a preset value with respect to the current value selected by the initial settings. Peak value calculation restarts when the presetting operation is executed. When the presetting operation is executed during 1st and 2nd axis addition/subtraction, the preset value is as follows.

  • Page 82: Restarting Operation

    7-3-3. Restarting operation (Continued from 7-3-1.) (P.177) 1. Select “rST” and press ENTER Maximum value, Minimum Main display value → Current value The peak value is cleared and is recalculated from the Sub-display Peak-to-peak value → 0 current value at that point. 7-3-4.

  • Page 83: Operation For Each Axis

    7-3-5. Operation for each axis When there are two input scale axes, the LY51 performs presetting and resetting operation for the addition/subtraction results. Preset operation Reset operation 1st axis + 2nd axis: 1st axis = preset value, 2nd axis = reset, 1st and 2nd axes both reset 1st axis –...

  • Page 84: Print Key Operations

    7-4. Print Key Operations When the LZ51-C (option) is connected, this outputs data to the RS-232C. See the LZ51-C instruction manual for the output data. These operations are the same when the external universal input is set to external print. When the LZ51-C is not connected, print key operations are invalid.

  • Page 85: External Contact Point Input Operations

    7-6. External Contact Point Input Operations The external contact points include external reset, external recall and external universal input. See “7-1. Resetting” for the external reset and “7-3-2. Presetting operation, recalling the preset value” for the external recall. This section describes the external universal input. Various types of functions can be allotted to the external universal input by the initial settings.

  • Page 86: External Zero Point

    Note The external zero point allows a contact point switch to be used as a zero point. It does not support Sony Precision Technology Magne-switches.

  • Page 88: Maintenance

    MAINTENANCE Refer to this section when operation is incorrect.

  • Page 89: Alarm Display/Output

    8. ALARM DISPLAY/OUTPUT Display Symptom Cause A momentary power failure occured. (Only when the power-on mode is set to the initial setting mode) Power supply No indication failure Output : An error status is output to the I/O. (Note 1) An alarm signal is output. The maximum response speed is exceeded at the scale unit.

  • Page 90: Maintenance And Inspection

    9. MAINTENANCE AND INSPECTION 9-1. Troubleshooting Should any problem occur with the unit, make the following simple tests to determine whether or not servicing is required. • Turn off the POWER switch and turn it on after one or two minutes. The unit does not turn •...
  • Page 91 Upon determining the trouble cause using the above table, take appropriate action. If you think the unit requires servicing, contact your Sony Precision Technology distributor.

  • Page 92: Maintenance

    9-2. Maintenance Removing stains and dirt on For tough stains and dirt the display and cabinet Wipe with a Use a neutral RESET PRINT dry cotton detergent cloth. diluted with water. LY51 MODE PEAK ENTER POWER...

  • Page 94: Data

    DATA This section describes the product specifications, dimensions and accessories, etc.

  • Page 95: Specifications

    10. SPECIFICATIONS Item Contents Signed 7 digit data (leading zero suppression, floating minus) Main display (LED) Displayable data Selectable from current value (1st axis input data, 2nd axis input data, 1st/2nd axes addition/subtraction data), and maximum, minimum and peak-to-peak values with respect to current value Sub-display (LED) Signed 7 digit data x 2 (leading zero suppression, floating minus) Various setting information...
  • Page 96 • POLLUTION DEGREE 2 Dimensions See “12. DIMENSIONS”. Weight Approximately 2 kg Note When using the LY51 with AC 200 V systems, use a separately procured power cord having a withstand voltage of AC 250 V and a safety earth wire.

  • Page 97: Accessories

    11. ACCESSORIES Guaranteed operating humidity range Instruction Manual Power cord Ground wire External I/O connector Installation plate (Screws (+K3 x 5) (8)) Temperature...

  • Page 98: Dimensions

    (Unit: mm/inch) (190.3/7.49") (183.8/7.24") (187.8/7.39") SIGNAL IN 1 EXT.I/O RESET PRINT SIGNAL IN 2 LY51 Serial No. Sony Presicion Technology inc. MADE IN JAPAN LY51 MODE PEAK 100 - 30V 50 / 60Hz ENTER POWER 30VA I/O 1 I/O 2 I/O 3 133.5/5.26"...

  • Page 99: List Of Display Characters

    13. LIST OF DISPLAY CHARACTERS The LY51 displays various messages to assist operation. However, the display has only a limited number of segments so many characters are difficult read. Therefore, these characters are listed below for reference. Character Display Character...

  • Page 100: Quick Reference

    14. QUICK REFERENCE External I/O Version • Pin assignment ..........P.117 • Checking the version ........P.134 • Input circuit (connected circuit example) ..P.118 • Input circuit delay time ........P.119 Functions • Output circuit (connected circuit example) ..P.120 •...
  • Page 101 Sony Precision Technology Inc. interdit formellement la copie de quelque partie que ce soit de ce manuel ou son emploi pour tout autre but que des opérations ou entretiens de l'équipement à moins d'une permission écrite de Sony Precision Technology Inc.

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