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...3 ELECTRICAL CONNECTIONS
3.4 Panel-mounted Instrument Connections – Fig. 3.5
Note. Refer to Fig. 3.2 for Access to Terminals.
Caution. Slacken terminal screws fully before making connections.
Retransmission Output
Relay 1
Relay 2
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.
10
TBA
+
1
–
2
3
Normally Closed
4
Common
5
Normally Open
6
Normally Closed
7
Common
8
Normally Open
9
E
Neutral
N
Live
L
Earth
Earth Stud (on case)
Fig. 3.5 Panel-mounted Instrument Connections
Earth Stud
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
E
10
N
11
L
12
TBB
1
0V
2
Rx–
3
Rx+
4
Tx–
5
Tx+
6
Link
7
Green
8
White
9
10
–ve (Black)
11
12
+ve (Red)
RS422/RS485
Serial Interface (If fitted)
Pt1000
Temperature
compensator
D.O. Sensor
Braid
Earth Stud (on case)
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