Panel-Mounted Instrument Connections - ABB 9438 User Manual

3.4 Panel-mounted Instrument Connections – Fig. 3.6
Note. Refer to Fig. 3.2 for Access to Terminals.
Caution. Slacken terminal screws fully before making connections.
Retransmission
Output
Normally Closed
Relay 1
Normally Open
Solenoid Valve
Calibration
Normally Open
Relay
Mains Supply
Warning. The power supply earth (ground) must be connected to ensure safety to personnel, reduction of the effects of
RFI and correct operation of the power supply interference filter.
1
2
3
4
5
6
7
8
9
E
N
L
TBA
+
1
– 2
3
4
Common
5
6
Common
8
9
E
Neutral
N
Live
L
Earth
Earth Stud (on case)
Fig. 3.6 Panel-mounted Instrument Connections
3 ELECTRICAL CONNECTIONS...
Earth Stud
1
2
3
4
5
6
7
8
9
10
11
12
TBB
1 0V
2 Rx–
3 Rx+
4 Tx–
5 Tx+
6 Link
7 Green
8
White
10 –ve (Black)
12
+ve (Red)
Retrans 2
RS422/RS485
Output (if fitted)
Serial Interface
(if fitted)
Pt1000
Temperature
compensator
D.O. Sensor
Braid
Earth Stud (on case)
4 –ve
+ve
5
9