Introduction
2 HC900 Process & Safety Controller User and Installation Manual Revision 6
21 April 2017
Model Selection Guide
Legacy System
12 Slot Rack - Red. Power
I/O Scanner - 2 Port (1 per I/O rack)
I/O Scanner (for remote rack)
Redundant Power Status Module
High Level Analog Input (16 channel)
Analog Output, 0 to 20mA, (4 channel)
Analog Output, 0 to 20mA, (8 channel)
Analog Output, 0 to 20mA, (16 channel)
Digital Input, Contact type, (16 channel)
Digital Input, 24VDC (16 channel)
Digital Input, 24VDC (32 channel)
Digital Input, 120/240 VAC, (16 channel)
Digital Input, 120/240VAC, 125VDC (16ch-Iso)
Digital Output, Relays ( 8 channel)
Digital Output, 24VDC (16 channel)
Digital Output, 24VDC (32 channel)
Digital Output, 120/240 VAC (8 channel)
Pulse/Frequency/Quadrature
*Reference only – For the latest Hardware and firmware revision numbers can be found at:
https://www.honeywellprocess.com/library/support/Public/Downloads/HC900-
SafetyControllerModulesRevisions.zip