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Catalytic Bridge Module; 20ma Input Module - Honeywell 5701 Operating Instructions Manual

Sieger system 57.
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MAN0443.P65 Issue 13 Aug 04
05701-M-5001 A02279
CHAPTER 8 - SPECIFICATION
5.3

Catalytic Bridge Module

Drive:
Current Adjustment:
Current Adjustment Ranges:
Range 1
Range 2
Range 3
Range 4
Maximum Drive Voltage:
Protection:
Maximum Line Resistance: 40 ohms (including sensor) at 250mA.
Full Scale Signal Range:
Bridge Imbalance Default
Limits:
Adjustment:
Fault Detection:
Over-Range Default:
Under-Range Default:
5.4

4 - 20mA Input Module

Loop Powered Output
Voltage:
Transmitter Supply Output
Voltage:
Loop Protection:
Configuration:
Constant Current.
Electronic in 1mA steps.
219mA to 283mA.
166mA to 230mA.
118mA to 182mA.
70mA to 134mA.
10V.
Protected against short circuit and open
circuit.
15mV to 600mV.
±100mV from centre at 2V bridge voltage.
Electronic adjustment of bridge balance
and signal gain.
Open circuit.
Short circuit single bead failure.
+10% above fsd.
-10% below zero.
Isolated 20V ± 5% regulated, 25mA
maximum for loop powered devices.
Filtered backplane 24V dc (500mA
maximum) for transmitters that require
separate power supplies.
Short circuit, open circuit voltage of ±50V.
Sensor current sink or source.
8 - 6
5701 Control System

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