Honeywell HC900 User And Installation Manual page 168
Process and safety controller
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Also See for HC900:
- Reference manual (456 pages) ,
- Installation and user manual (264 pages) ,
- User manual (112 pages)
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Figure 82 - XYR 5000 RS-485 Modbus connections with isolator
RS-232 Modbus Connections
For Legacy controllers, connect to the RX, TX, and ground pins of the controller's 3-pin RS-232 port. (See
page 42 for RS-232 DIP switch settings.)
Table 19 (page 134) identifies the pins. For connections on other device, refer to its product manual.
For new 6.x controllers use an RS232-RS485 converter.
Use Designer software to Configure the legacy controller's RS232 port or New 6.x controllers RS485 port
as a Master of Slave. Use HC Designer software to configure the controller's RS-232 port as a master or
slave.
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HC900 Process & Safety Controller User and Installation Manual
Revision 6
21 April 2017
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