Carrier ChillerVu - To Wire to a Modbus over IP Network

Wiring for third party protocols
Carrier® ChillerVu™
(OPN-PSM-MPCXPE) Carrier Proprietary and Confidential CARRIER CORPORATION ©2017
Installation and Start-up Guide 28 All rights reserved
○
Devices should be daisy chained and not star wired
○ If the Carrier® ChillerVu™ is at either end of a network segment, connect a BT485 to the Carrier®
ChillerVu™
NOTE
Use the same polarity throughout the network segment.
5 In the i-Vu® interface, go to
Driver Properties
>
Protocols
>
Modbus
and enter the baud rate.
6 Turn
on
the Carrier® ChillerVu™'s power.
To wire to a Modbus over IP network
1 Turn
off
the Carrier® ChillerVu™'s power.
2 Check the communications wiring for shorts and grounds.
3 Connect Port E1 to the third-party device.
NOTE
Port E1 will still be capable of BACnet communication.
Wiring Specifications
○ 328 feet (100 meters)
○ Use one of the following CAT5 or higher Ethernet cables:
 A cross-over cable to connect the Carrier® ChillerVu™ directly to the third-party device
 A straight-through cable to connect the Carrier® ChillerVu™ to a hub or switch, and a second
straight-through cable to connect the hub or switch to the third-party device
NOTE
Use the same polarity throughout the network segment.
4 Turn
on
the Carrier® ChillerVu™'s power.