Hardware Installation
30 SCX 920 Installation Guide
The contrast changes at different viewing angles. Adjust it to your
needs.
Completing the Installation
To complete the installation of your SCX 920 replace the cabinet cover,
using the two Phillips head quarter turn fasteners.
Connecting the Andover Controls Service Tool
The SERVICE PORT on the far left side of the bottom of the controller
is to connect the Andover Controls Service Tool to a SCX 920. The ser-
vice tool will access all SCX 920s and other Infinet controllers on the
same network. For information on availability of the Andover Controls
Service Tool, contact your Andover Controls representative.
Adjusting Analog Override Values
Refer to Figure 3 for the location of part on the board.
To manually set an output’s current or voltage:
1. Turn the override switch for the output to ON.
2. If you do not have an LCD screen, connect a Volt-Ohm Meter
(VOM) to the V or I terminal of the output.
3. Use a small screwdriver in the ADJ screw to the left of the override
switch to adjust the screw until the correct value of the output is
displayed on the LCD screen or meter.
A correct value would be between 0 and 20 mA or 0 and 20 V.
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