TDSi EXcel4 - Figure 11 - RS485 Communication Diagram

EXcel4 Controller Page 21
Connect to the EX series ACU’s as follows:
USB Converter terminal
block
Rs485 4 WIRE
Ex Series ACU
Connector
Continuation of daisy
chain to other EX series
controllers
1
4
4
2
3
3
3
1
1
4
2
2
5
No Connection
6
No Connection
Figure 11 - RS485 communication diagram