
10
Connections
Alarm Lock
Calib’n Lock
Common
CC.1
CC.2
CC.3
Logic Inputs Power
Signal Input & Excitation
Common -
Sig Input 1 +
Sig Input 2 +
Excitation +
Sig Input 3 +
Sig Input 4 +
N
L
-
+
Remote
contacts
(5V DC 1mA)
Earth
1 2 3 4 5 6 7 8 9 10
11 12 13
Processor and signal input board
Power Supply board
Internal power link, installed by the factory
Fuse
Earth
- or N
+ or L
N
L
-
+
Earth
Fuse Switch
Customer-supplied disconnection
and overload protection devices
Circuit breaker
Power
E
Inside the enclosure Outside the enclosure
Warning:
Disconnect all power before
removing the rear of the display
There is a wide range of possible locations for the input board, output board and power
supply board/s. Their locations depend on the height of digits, number of digits, brightness of
digits and any installed options. Because the permutation of possible locations is large, we
will not describe the location of boards within the display, but simply identify the connectors
and their functions on each board, below ...
OK
Digit