Honeywell HC900 User And Installation Manual

226 HC900 Process & Safety Controller User and Installation Manual Revision 6
21 April 2017
Relay Output
Step
Action
4
Connect field wiring.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
DO
-8
DO
-7
DO
-6
DO
-5
DO
-4
DO
-3
DO
-2
DO
-1
LOAD NO
LOAD NC
LOAD NO
LOAD NC
LOAD NO
LOAD NC
LOAD NO
LOAD NC
LOAD NO LOAD NO
LOAD NO
LOAD NO
ATTENTION
 Cable power is limited to 24 Amps per module at 60C (140 degrees F) and 32 Amps at 54C
(129 degrees F).
 As shown in the schematic, each switch is SPST and opens and closes one lead of the relay
wiring. If your application requires opening and closing both sides of the load wiring, then an
external DPST switch is required.

Honeywell HC900 Specifications

General

Series	HC900
Redundancy	Optional
Programming Language	Function Block Diagram, Ladder Logic, Structured Text
Inputs	Analog, Digital
Outputs	Analog, Digital, Relay
Display	Optional
Control	PID, Advanced Control
Power Supply	24V DC or 100-240V AC
Storage Temperature	-40°C to 85°C
Humidity	5% to 95% non-condensing
Communication Protocols	Modbus, Ethernet