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If you want to open your display to install or modify option boards, follow these steps...
1)
Switch off power to the display.
2)
Undo all screws on the rear of the case, remove the back panel.
3)
The internal display board has positions for mounting the main board and the option board
4)
The option board will either have 0, 2 or 4 relays, and can be fitted onto the connectors.
It is secured by white plastic press-pillars. You can add an analogue output option and a
serial output option to this option carrier board, or one of each, or neither.
The board assemblies will look something like this...
You must apply a firm force when fitting or removing these options.
Always be careful to connect the pins to sockets accurately. When reassembling, make sure
option boards are firmly fixed to the upper option board. When the boards are installed, you can
make connections via the cable glands - see manual for terminal identification. when wiring is
complete, replace the back panel and re-fit all the screws - do not over-tighten.
RS232, RS422
RS485
plug-in option
Analogue
output
plug-in option
Alarm relays.
Depending on
the option, there
will be none, 2 or
4 relays fitted.
Option carrier board
Main board
Warning:
Disconnect all power before
exposing the rear of the meter
How to install option boards
Input Signal
Logic inputs
Power supply
AL3 & AL4
AL1 & AL2
Serial comms
Analog out
Input board
Summary of Contents for Fusion Series
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