Hardware required for network connection:

CIM 200
Product number: 96824796

CIM/CIU 200 communication interface for easy integration into Modbus RTU networks. 
The interface offers easy integration into both new and existing systems, as the Modbus RTU protocol is supported by several control and automation systems.

Learn more about the module in the Grundfos Product Center

Basic information on Grundfos Gateways for Modbus RTU networks

Quick Guide for the CIM/CIU

Common error code for all Grundfos products

The PC Tool CIM/CIU is intended for system integrators and Grundfos service personnel. It shows the data content (functional profile) of a Grundfos product, which is connected to your PC via a CIM, CIU or softCIM.

PC Tool CIM/CIU


With the ‘Grundfos GO Remote’ app and the build-in Bluetooh communication interface, you can parametrise Grundfos pumps and controls, save settings or generate commissioning logs with your smartphone or tablet. The free smartphone app is available for download in the app stores below:

Modbus RTU

LC 232