Modbus Rtu - Trane CCE-Compact Series Installation Operation & Maintenance

22.2.1

Modbus RTU

This module provides two communication ports (channel 0, channel 1), in which only channel 0 can
be used for communication to the superior system. Channel 1 is reserved for internal applications.
Parameter
State
Comm failure
Channel 0:
Slave
Slave address
Baud rate
Stop bits
Parity
Response timeout Response timeout setting [5 s]
Termination
Channel 1:
Enable
Slave
Slave address
Baud rate
Stop bits
Parity
94/115
Value Description
Display hardware state of the module
Display communication error
Passive No communication error
Active Communication error
Configuration of channel 0
Display communication state with the superior system
Passive No communication
Active Communication
Slave address setting [1]
Baud rate setting [9600]; 1200, 2400, 4800, 9600, 19200 Baud
Number of stop bits [Two]
One 1 stop bit
Two 2 stop bits
Parity setting [None]
None No parity
Even Even parity
Odd Odd parity
Enable termination resistor [Passive]
Passive No termination
Active Termination
Configuration of channel 1
Enable communication for channel 1 [Passive]
Display communication state with the superior system
Passive No communication
Active Communication
Slave address setting [2]
Baud rate setting [9600]; 1200, 2400, 4800, 9600, 19200 Baud
Number of stop bits [Two]
One 1 stop bit
Two 2 stop bits
Parity setting [None]
None No parity
V07-19.0