Process chiller connection to customers building automation system using a Modbus connection.
The PDF attached to this article provides Modbus connection information needed to remotely monitor or control a Legacy Process Chiller with a building automation system (BAS), or other controller. Connection using the addressing provided in this document allows connection provide the host control system is capable of Modbus MASTER connectivity.
All Legacy Process Chiller equipped with the IDEC PENTRA PLC and IDEC touchscreen HMI.
- PLC/HMI Modbus (Slave) Addressing
- +Legacy_Chiller_Systems_PLC_HMI_Datacom_booklet_rev3 – Extended_Version