MAN0443.P65 Issue 13 Aug 04
5701 Control System
05701-M-5001 A02279
CHAPTER 4 - INSTALLATION INSTRUCTIONS
4 - 51
Three Wire Control Card Current Source, Transmitter Current Sink Connection for Digi
Series (Signal Returned to +24V Supply)
1
2
3
4
Block
Sensor Connections
Wiring
Digi-Cat
Digi-Chem
Digi-Ana
Catalytic
ECC
Analogue
Terminal
Signal
Colour
Signal
Colour
Signal
Colour
1
GND
-
GND
-
-
-
2
NS
Blue
C
Brown
01
Blue*
3
C/T
White
R
White
0V/NS
-
4
S
Brown
W
Blue
+24V
Brown*
* Valid for 811 and 911. For other sensors, see sensor documentation
.
01
NS
Single Channel Control Card 4 - 20mA 05701-A-0301
Fitted with 4 - 20mA Sensor Drive 05701-A-0283
28
29
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.
LK3
Link Positions
LK1
LK12
LK9
LK6
27
S
Arrows Indicate Direction of
Loop Current Flow
+24V
4 - 20mA(-)
0V
0V
+24
4-20mA(-)
LK3 Fitted
(For Current Sink)
Sensors:
704
705
783
811
910
911
Digi Series
See Table for
Sensor Wiring
Screened
Cable
Cabinet
Protective
Earth
* The 24V supply for the transmitter may
be obtained from either the Relay/Field
Interface Card terminals 35 (+24V) and
36 (0V), or a separate field supply.
Relay/Field Interface Card
05701-A-0326
05701-A-0327
05701-A-0328
05701-A-0329
05701-A-0330