Honeywell 5701 Operating Instructions Manual page 114

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
Digi Series
+24V
4 - 20mA(-)
0V
1
2
3
4
Sensors: 704
Block
Wiring Digi-Cat
Catalytic
Terminal
Signal
1 GND
2 NS
3 C/T
4 S
* Valid for 811 and 911. For other sensors, see sensor documentation.
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.
Three Wire Control Card Current Source, Transmitter Current Sink Connection for Digi
Arrows Indicate Direction of
Loop Current Flow
See Table for
Sensor Wiring
4-20mA(-)
LK3 Fitted
(For Current Sink)
0V
* The 24V supply for the transmitter may
be obtained from either the Relay/Field
+24
Interface Card terminals 35 (+24V) and
36 (0V), or a separate field supply.
705
783 811
910 911
Sensor Connections
Digi-Chem
ECC
Colour Signal Colour
- GND
Blue C
White R
Brown W
Series (Signal Returned to +24V Supply)
Relay/Field Interface Card
05701-A-0326
05701-A-0327
05701-A-0328
05701-A-0329
05701-A-0330
Screened
Cable
Digi-Ana
Analogue
Signal Colour
- - -
Brown 01 Blue*
White 0V/NS -
Blue +24V Brown*
4 - 51
5701 Control System
Cabinet
S
27
01
28
29
NS
Protective
Earth
Link Positions
LK12
LK9
LK6
LK3
LK1