©2025 Copeland LP.
026-1803 R13 Supervisor I&O User Guide 3 - 8
3.7 Serial Connections
Supervisory controllers are equipped with four (4) RS485 serial Com ports and one (1) Can Bus port.
• Com ports 1-4 support MODBUS and IO Net.
• Com ports 1-4 support 9600, 19200, 38400, 57600, and 115200 baud connection speeds.
• The Can Bus port is for expansion I/O such as the IPX206D and IPX225D.
• Com ports 1-4 wiring polarity:
○ Same polarity – XR75CX, Energy Meter.
○ Opposite polarity – T-Stat, Control Link ACC, MRLDS, all I/O boards including MultiFlex and legacy boards.
3.8 Wiring Terminal Detail
Figure 3-12 - Serial Connections
Figure 3-13 - Site Supervisor Wiring Terminal Detail
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