Hardware required for network connection:

E-Box 500
Product number: 99171932

The E-Box 500 communication interface enables wire-based data transfer via Modbus TCP from Grundfos digital dosing pumps to Modbus-based SCADA systems. The E-Box 500 is installed directly under the dosing pump.
With a rotary switch, you can also change the protocol, e.g. to PROFINET IO.
An integrated webserver allows the Ethernet parameters to be set easily.

Basic information on Grundfos Gateways for Modbus TCP 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


The CIM 500 firmware can be updated via the integrated webserver.

Current CIM 500 firmware

Modbus TCP

DDA S Dosing