Honeywell 5701 Operating Instructions Manual page 121

MAN0443.P65 Issue 13 Aug 04
05701-M-5001 A02279
CHAPTER 4 - INSTALLATION INSTRUCTIONS
Single Channel Control Card 4 - 20mA 05701-A-0301
Fitted With 4 - 20mA Sensor Drive 05701-A-0283
IS Series 2000
Combustible Sensor
Terminal Block
Note: Where a sensor is earthed locally, either to the Earth Stud or
through the sensor casing or mounting, to avoid earth loops the
screen sheath of the cable should only be connected at one
end. ie. At the sensor or at the Interface/relay Card.
IS Series 2000 Combustible Sensor With Single Safety Barrier and Separate 24V Exe
In this configuration the 4 - 20mA link on the Series 2000 sensor is NOT
fitted.
11
4
4 - 20mA (-)
3
4 - 20mA (+)
9
Earth Stud
Field Supply
+24V
Exe Supply
Arrows Indicate Direction
of Loop Current Flow
Single IS
Safety Barrier
Two Core Screened Cable
0V
Exe Supply
4 - 58
5701 Control System
Relay/Field Interface Card
05701-A-0326
05701-A-0327
05701-A-0328
05701-A-0329
05701-A-0330
01
25
x 3
NS
29
GND
Link Positions
28
LK9
LK6
LK1