Data Sheet for Product

2
Siemens
CB1Q3934en
Building Technologies 2018-04-12
Technology
Modbus RTU mode
RTU stands for Remote Terminal Unit. Modbus is a master/slave protocol. This, by definition,
means that a Modbus network contains only one master and at least one slave.
The Climatix communication Modbus module has 2 Modbus slave interfaces for the
integration into a Building automation and control systems (BACS).
The Modbus protocol is based on the Modbus specification "Modicon Modbus Protocol
Reference Guide PI MBUS 300 Rev. J".
You can find more information about Modbus on the following web page: www.modbus.org.
Installation concept
3
9
0
0
Z
0
1
System Integration
Communication
Controller
Extension