CODESYS HVAC Modbus SL - Article no. 2312000013
The HVAC Modbus Library can be perfectly complemented with the decentralized powerIO® system, which is based on working with communicative Modbus sensors and actuators. Serial stations are immediately converted to TCP and can be queried via a CODESYS controller. Further information about the decentralized system under http://www.powerio.com.

The HVAC Modbus SL library runs independently from the CODESYS Modbus library. There is no need to use a controller with CODESYS Modbus library.

Detailed Wiki on www.hvac-automation.com.

In the HVAC Visu Library from the HVAC Building Automation Package SL there are Visu Frames matching the blocks.