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Honeywell
C
• 48
ONTROL UNIT
5.1.2.2
Isolating digital inputs from ground
The digital inputs (terminals 8-10 and 14-16) on the standard I/O board can be isolated from
ground by removing a jumper on the control board. See Figure 43. Lift the plastic lid to expose
the jumper and apply long-nose pliers or similar to remove it.
Figure 43. Remove this jumper to isolate the digital inputs from ground.
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