9
4 ELECTRICAL CONNECTIONS…
4.4 Panel-mounted Instrument Connections – Fig. 4.5
✶
Note. Refer to Fig. 4.1 for Access to Terminals.
Caution. Slacken terminal screws fully before making connections.
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
E
N
L
Retransmission
output
TBA
Relay 1
Relay 2
1
2
3
4
5
6
7
8
9
E
N
L
1
2
3
4
5
6
7
8
9
10
11
12
+
–
Normally Closed
Common
Normally Open
Normally Closed
Common
Normally Open
Neutral
Live
Earth
Mains supply
TBB
Earth Stud
Earth Stud (on case)
+
–
+
Probe
Thermocouple
Warning. The power supply earth (ground) must be connected to ensure safety to personnel, reduction of the
effects of RFI interference and correct operation of the power supply interference filter. Connect the earth lead directly
to the case earth stud and not to the 'E' terminal.
✶
Note. Cut the probe cable braid
back to the outer sheath.
Fig. 4.5 Panel-mounted Instrument Connections