Wiring For Communications; Ethernet Wiring Specifications - Carrier OPN-OPT-OL Installation And Startup Manual

Wiring for communications

The controller has multiple ports. See table below for port descriptions.
Port Protocol
Ethernet BACnet/IP
Port E1 Modbus/IP
NOTE Both
protocols can
run
simultaneously
S2* Modbus
Local Enhanced
Access Access
* The Config Mode DIP switch Console must be Off (down position) to use Port S2. Port S2 supports only one
protocol and one wire type at a time.
CAUTION The Chilled Water System Optimizer does not support BACnet MS/TP or BACnet ARCNET networks.

Ethernet wiring specifications

For...
Ethernet
*
For details see the Open Controller Network Wiring Guide.
WARNING Do not apply line voltage (mains voltage) to the controller's ports and terminals.
Chilled Water System Optimizer v2
Installation and Start-up Guide
Port type(s)
Ethernet
EIA-485
Rnet
Use...
CAT5e or higher Ethernet cable
Baud rate(s)
10 Mbps
100 Mbps
9600, 19.2k, or 38.4k bps
115.2 kbps
13
Wiring for communications
Use for
LAN connection
Third-party communication

Configuration

System start-up and
troubleshooting
Maximum Length
328 feet (100 meters)
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