Table of Contents
Advertisement
Ethernet, BACnet MS/TP, ARC156, and CCN wiring specifications
For...
Ethernet
BACnet
MS/TP*
BACnet
ARC156*
CCN
*
For details see the Open Controller Network Wiring Guide.
WARNING Do not apply line voltage (mains voltage) to the controller's ports and terminals.
To wire the controller to the BACnet MS/TP or ARC156 network
Pull the screw terminal connector from the controller's power terminals labeled 24 Vac/26 Vdc and Return
1
(Ground).
Check the communications wiring for shorts and grounds.
2
Connect the communications wiring to the controller's screw terminals labeled Net +, Net -, and Shield.
3
NOTE Use the same polarity throughout the network segment.
Set the communication type and baud rate.
4
For...
MS/TP
ARC156
NOTE Use the same baud rate for all controllers on the network segment.
Wire the controllers on a BACnet MS/TP or BACnet ARC156 network segment in a daisy-chain configuration.
5
Install a BT485 on the first and last controller on a network segment to add bias and prevent signal
6
distortions due to echoing.
Carrier® ChillerVu™
(OPN-PSM-MPCXPE)
Installation and Start-up Guide
Use...
CAT5e or higher Ethernet cable
22 or 24 AWG, low-capacitance, twisted,
stranded, shielded copper wire
•
3-conductor
•
18 or 20 AWG stranded tinned copper wire
•
Polyethylene insulation, PVC jacket
•
Shielded with a drain wire
•
Belden wire P#8772 or similar
NOTE Must meet the above requirements
Set BACnet Mode jumper to...
BACnet MS/TP
BACnet ARC156
Carrier Proprietary and Confidential
Set the baud rate...
See To set a port's baud rate using PuTTY.
N/A. Baud rate is automatically set to 156 kbps.
23
Wiring for communications
Maximum Length
328 feet (100 meters)
2000 feet (610 meters)
1000 feet (305 meters)
CARRIER CORPORATION ©2017
All rights reserved
Advertisement
Table of Contents
