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CIM / CIU

CIM / CIU

CIM / CIU

Product catalog summary
Overview of CIM/CIU Communication Interfaces
The Grundfos CIM/CIU communication interfaces provide complete control for pump systems through open and interoperable networks such as Profibus DP, Modbus RTU, LONWorks, BACnet MS/TP®, GSM/GPRS, and Grundfos Remote Management. These interfaces are designed for easy installation, user-friendliness, and long-term value, based on standard functional profiles for seamless network integration.
Specifications and Usage
CIM modules are add-ons for communication with 11 to 22 kW E-pumps and other controls, while CIU units are for products with a GENIbus interface, such as small E-pumps and circulation pumps. CIU units feature an integrated power supply and are suitable for wall or DIN-rail mounting.
Benefits of CIM/CIU Modules
  • Complete process control
  • Modular design for future needs
  • Standard functional profiles
  • 24-240 VAC/DC power supply in CIU modules
  • Simple configuration and installation
  • Open communication standards
  • Integration CD for fast commissioning
These modules support integration into SCADA, PLC, or Building Management Systems using open protocols, minimizing time spent on reporting and data collection, and optimizing maintenance scheduling.
Supported Networks and Products
  • CIM 050 for GENIbus
  • CIM 100/110 and CIU 100/110 for LONWorks
  • CIM/CIU 150 for Profibus DP
  • CIM/CIU 200 and CIU 202 for Modbus RTU
  • CIM/CIU 250 and CIU 252 for GSM/GPRS
  • CIM270/CIU 271 and CIU 272 for GRM
  • CIM/CIU 300 for BACnet MS/TP
Company Overview
Grundfos is a global leader in water handling technology, offering products for water supply and wastewater infrastructure. Key product areas include submersible pumps, surface pumps, sewage pumps, mixers, flowmakers, recirculation pumps, pumping stations, monitoring and controls, dosing and disinfection, and aeration equipment. Grundfos emphasizes reliability, cost-efficiency, and innovation, supported by a worldwide service network.
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Catalog excerpts

CIM / CIU-1

GRUNDFOS CIM/CIU Communication Interfaces Complete control for pumps and pump systems

 Open the catalog to page 1
CIM / CIU-2

Why Grundfos CIM/CIU modules make good sense The CIM/CIU concept For complete control of pump systems, the Grundfos fieldbus concept is the right solution. The newly-developed Communication Interface Module (CIM) and the Communication Interface Unit (CIU) enable data communication via open and interoperable networks such as Profibus DP, Modbus RTU, LONWorks, BACnet MS/TP®, GSM/GPRS, or using Grundfos Remote Management. The series of Grundfos CIM/CIU communication interfaces offer ease of installation and commissioning, user-friendliness and great value for money in the long term. All modules...

 Open the catalog to page 2
CIM / CIU-3

Being responsible is our foundation Thinking ahead makes it possible Innovation is the essence See the bigger picture Grundfos is a global leader within water handling technology. Our passion is to bring you all the products you require to create and operate pump systems that combine reliability, cost-efficiency – and innovation. Our products are for use in water supply and wastewater infrastructure on any scale. Grundfos has a full line of products and systems for the intake, treatment, and distribution of drinking water and for the transport and treatment of wastewater. We also offer expertise...

 Open the catalog to page 3

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.