Introduction
6 ControlEdge HC900 Process & Safety Controller User and Installation Manual Revision 10
May 2019
Pulse/Freq/Quad (4chan, 1Quad)
Can be used in Safety systems
on the Process Worksheet ONLY.
Safety Universal Input/ Output
Low VoltageTerminal Block (Euro style)
Low VoltageTerminal Block (Barrier style)
High VoltageTerminal Block (Euro style)
High VoltageTerminal Block (Barrier style)
High Density Terminal Block (Euro style)
Filler Block Terminal Cover
Analog Input Remote Terminal Panel
(RTP)
Relay Output Remote Terminal Panel
(RTP)
DI, DO, AO Remote Terminal Panel
(RTP)
Redundant Power status module
*Reference only – For the latest Hardware and firmware revision numbers can be found at:
https://www.honeywellprocess.com/library/support/Public/Downloads/ControlEdge HC900-
SafetyControllerModulesRevisions.zip
Conventions
Throughout this guide, where the text “Legacy systems” is used, the following model numbers are
applicable.
Legacy systems Model Numbers
900C51 – 00XX-00
900C52 – 00XX-00
900C31 – 00XX-00
900C32 – 00XX-00
900C71 – 00XX-00
900C72 – 00XX-00
900C71R – 0000-XX
900C72R – 0000-XX
900RSM – 0001
900C73R – 0000-XX
900C53 – 00XX-00
Throughout this guide, where the text “New systems” is used, the following model numbers are
applicable.
Note: Model number change: 900*xx where if *= C designates Controller module and *=S designates