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+GF+ Signet 8250-2 Manual

Level transmitter
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Signet 8250-2 Level Transmitter
3-8250.090-2
3-8250.090-2
Rev. E 11/05
CAUTION!
Remove power to unit before wiring
input and output connections.
Follow instructions carefully to avoid
personal injury.
1. Description
ProcessPro transmitters are available in two styles: panel mount and fi eld mount. The panel mount is supplied with the necessary
hardware to install the transmitter. This manual includes complete panel mounting instructions.
Field mounting requires one of two separate mounting kits. The 3-8052 integral kit joins sensor and instrument together into a
single package. The 3-8050 Universal kit enables the transmitter to be installed virtually anywhere.
Detailed instructions for integral mounting or other fi eld installation options are included with the 3-8052 Integral kit or the 3-8050
Universal kit.
2. Specifi cations
Dimensions
96 mm
(3.8 in.)
FRONT VIEW
Field &
Panel Mount
General
Compatible Sensors: Signet 2450 Pressure sensor
Enclosure:
NEMA 4X/IP65 front
Materials:
Case:
PBT
Panel case gasket:
Neoprene
Window:
Polyurethane-coated polycarbonate
Keypad:
Silicone rubber
Weight:
Approx. 325 g (12 oz.)
Display:
Alphanumeric 2 x 16 LCD
Sealed 4-button keypad
Display update rate: 1 second
Contrast: User selected, 5 levels
Environmental
Operating temperature: -10 to 70°C (14 to 158°F)
Storage temperature:
Relative humidity:
Maximum altitude:
Electrical
Power supply: 12-24 VDC ±10% regulated, 250 mA max current
Sensor power: 5 VDC ±1% @ 25ºC, regulated
2-wire system: 1.5 mA maximum current
4-wire system: 20 mA maximum current
Signet 8250-2 Level Transmitter
English
Contents
1. Description
2. Specifi cations
3. Panel installation
4. Electrical Connections
5. System confi guration
6. View menu
96 mm
(3.8 in.)
107 mm
(4.2 in.)
SIDE VIEW
Field Mount with
8052 Integral kit
-15 to 80°C (5 to 176°F)
0 to 95%, non-condensing
2000 m (6562 ft)
7. Editing procedure
8. Calibrate menu
9. Options menu
10. Troubleshooting
96 mm
(3.8 in.)
106 mm
(4.18 in.)
SIDE VIEW
Field Mount with
8050 Universal kit
Current output:
4 to 20 mA, isolated, fully adjustable and reversible
Max loop impedance:
Update rate:
Output accuracy:
Relay outputs:
*
2 sets mechanical SPDT contacts standard with all units.
Software supports 2 additional relays via optional external
relay module
Maximum voltage rating:
5 A @ 30 VDC, or 5 A @ 250 VAC, resistive load
Programmable for High or Low setpoint or for Window range,
with adjustable hysteresis
May be disabled if not used
Time delay: programmable from 0 to 6400 s
Standards and Approvals:
CSA, CE, UL listed
Immunity:
EN50082-2
Emissions:
EN55011
Safety:
EN61010
Manufactured under ISO 9001 and ISO 14001
Relay 1
82 mm
Optional
(3.23 in.)
Rear
Cover
56 mm
41 mm
(2.2 in.)
)
(1.6 in.
97 mm
(3.8 in.)
SIDE VIEW
Panel Mount with
NEMA 4X rear cover
50 Ω max. @ 12 V
325 Ω max. @ 18 V
600 Ω max. @ 24 V
300 ms
±0.03 mA
English
Level
+10.00 ft
Signet Level
Transmitter
Relay 2
ENTER
92 mm
(3.6 in.)
1

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Summary of Contents for +GF+ Signet 8250-2

  • Page 1 Signet 8250-2 Level Transmitter English 3-8250.090-2 3-8250.090-2 Rev. E 11/05 English Contents CAUTION! Level +10.00 ft 1. Description • Remove power to unit before wiring 7. Editing procedure Signet Level 2. Specifi cations input and output connections. 8. Calibrate menu...
  • Page 2: Panel Installation

    High or Low setpoint with adjustable hysteresis • "Window" limits with adjustable hysteresis • Time delay up to 6400 seconds. • May be disabled (Off) if not used. • Auxiliary power (terminals 1-2) MUST be connected for relay operation Signet 8250-2 Level Transmitter...
  • Page 3 Terminals Shield (Gnd) Red (I/O) Black (V+) The External Relay Module The TOTAL cable length connected to provides terminals to connect the 8250 input/output terminals must the sensor in series. not exceed 122 m (400 ft.) Signet 8250-2 Level Transmitter...
  • Page 4: System Configuration

    Defi nition: • The distance from Z (zero reference point) to surface of O(ffset) < 0 fl uid (displayed as "Level" by transmitter. L > 0 L > 0 (ero) O(ffset) > 0 O(ffset) < 0 (ero) Signet 8250-2 Level Transmitter...
  • Page 5 = Density of water = 1000 kg/m (water) = Specifi c Gravity of fl uid = Volume of fl uid (m m (kg) = 1000 • SG • V Length Custom vessel: The 8250 performs linear interpolation between adjacent points. Signet 8250-2 Level Transmitter...
  • Page 6: View Menu

    Appears only when external relay module is detected. No Relay Module Displayed if the relay module is not detected at Sensor Confi guration (see Detected calibrate menu). Last Cal: Displays the date for scheduled maintenance or date of last calibration. 09-03-04 Signet 8250-2 Level Transmitter...
  • Page 7 Step 6 ENTER while any element is fl ashing. This will recall the last saved value of the item being edited and Relay 1 Setpnt: Saving return you to Step 3. Relay 1 Setpnt: 9.0000 ft > Signet 8250-2 Level Transmitter...
  • Page 8: Calibrate Menu

    (Signet 2450), or if volume units are selected ( kg or lb ) . Set LVL: Single-point calibration for Level. > Reset LVL Yes: Reset Level to original factory calibration. ("Set LVL" entry is erased.) to Factory Cal: > Return to menu, do not reset Level. Signet 8250-2 Level Transmitter...
  • Page 9 Confi guration: > and specifi c serial numbers of the sensors connected to the sensor input. Last Cal: Use this “note pad” to record important dates, such as annual recertifi cation or scheduled maintenance. 09-03-04 > Signet 8250-2 Level Transmitter...
  • Page 10: Options Menu

    Automatic allows you to Edit only the Volume measurement (while displaying Level value) P01: +0.0000 ft Set the Volume (and Level if manual measurement is selected) at each custom point in +0.0000 gal > your vessel. Signet 8250-2 Level Transmitter...
  • Page 11: Troubleshooting

    • External Relay Module wiring is loose 1. Check wiring "No Relay Module Found" • Relay module has been disconnected 2. RESET SENSOR CONFIGURATION • Relay module has been replaced 3. Replace External Relay Module. • Relay module is defective Signet 8250-2 Level Transmitter...
  • Page 12: Ordering Information

    Ordering Information Mfr. Part No. Code Description 3-8250-2 159 000 766 Level Transmitter, Field Mount 3-8250-2P 159 000 767 Level Transmitter, Panel Mount 3-8059-2 159 000 770 External Two-Relay Module 3-8059-2AC 159 000 771 External Two-Relay Module w/Power Supply Accessories Mfr.

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