Honeywell HC900 User And Installation Manual

x HC900 Process & Safety Controller User and Installation Manual Revision 6
21 April 2017
Assemble I/O Expansion Racks ............................................................................................................. 74
I/O Module Installation and Wiring ................................................................................ 78
Overview ................................................................................................................................................ 78
Module Placement in Racks .................................................................................................................. 78
Remote Termination Panel (RTP) .......................................................................................................... 80
Terminal Block-to-Field (Signal) Wiring ................................................................................................. 80
Removal and Insertion Under Power (RIUP) ......................................................................................... 83
I/O Module Installation Procedures ........................................................................................................ 84
I/O Terminal Block Wiring Diagrams ...................................................................................................... 91
Communications Installation ....................................................................................... 127
Overview .............................................................................................................................................. 127
Wiring and cabling................................................................................................................................ 127
Connecting the Operator Interface to the Controller ............................................................................ 131
Connecting the HC900 Controller to a PC with the Designer Software ............................................... 132
Connecting the HC900 Controller to Modbus device(s) ...................................................................... 152
Operating Characteristics ............................................................................................ 155
Introduction .......................................................................................................................................... 155
Overview .............................................................................................................................................. 155
Power Down / Power Up ...................................................................................................................... 155
Controller Modes .................................................................................................................................. 158
File Download/Upload Functions ......................................................................................................... 163
Redundant Operating Characteristics ......................................................................... 165
Overview .............................................................................................................................................. 165
Start-Up ................................................................................................................................................ 165
Modes of operation (Figure 87) ............................................................................................................ 165
Steady State Operations ...................................................................................................................... 166
Failover ................................................................................................................................................ 169
File Download/Upload Functions ......................................................................................................... 170
Diagnostics and Troubleshooting ................................................................................ 173
Overview .............................................................................................................................................. 173
External Indications of Diagnostic Information ..................................................................................... 173
Controller CPU indicators .................................................................................................................... 174
Scanner indicators ............................................................................................................................... 182
I/O Module Indicators ........................................................................................................................... 187
Overview .............................................................................................................................................. 192
Removal and Replacement Procedures ...................................................................... 196

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