We are pleased to announce that the Grundfos CIU 531 has achieved Self-Certified WITS DNP3 status.

The device has been tested by Grundfos to the WITS Test specification up to WITS Version 1.1.

The CIU 531 is a basic WITS-DNP3 supported IO device. It supports 3 Analog Input, 1 Analog Output, 4 Binary Input, 1 Binary Output and 1 Binary Counter.

For more details, please see the WITS Device Catalogue.