Honeywell HC900 User And Installation Manual page 247

16 Point DC Digital Input
Step
3
Set/verify jumper positions as shown for the 16 point digital input module.
Module Removal / Insertion Under Power (RIUP) is supported by turning off Switch SW1 to allow removal of
the module from the rack without causing an arc. Please see page 83 for more details.
ATTENTION: SW1 only disconnects the positive terminal, not both sides of the DC power.
See page 240 for RTP internal schematic.
4
Connect field wiring.
Note: SDC+ in the wiring figure below refers to power that is disconnected from these screw terminals when
switch SW1 is open (0).
DC Supply
Revision 6
21 April 2017
1 2 3 4 5 6 7 8
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
HC900 Process & Safety Controller User and Installation Manual
Action
9 10 11 12 13 14 15 16 17 18 19 20
Install jumper wires
Jumper open
Jumper closed
233