Grundfos CIM/CIU Communication Interfaces for Complete Pump Control
The Grundfos CIM (Communication Interface Module) and CIU (Communication Interface Unit) range provides complete control for pumps and pump systems through open, interoperable network protocols. These innovative communication interfaces enable seamless data exchange via BACnet, Modbus, PROFINET, LONWorks, EtherNet/IP, and 3G/4G cellular networks—connecting Grundfos pumps and controllers to PLC, BMS, and SCADA systems for intelligent building services, industrial automation, and water utility applications.
As an authorized Grundfos Water Pump Dealer in Dubai, we supply the complete Grundfos CIM/CIU communication interface range with genuine warranty and technical support across the UAE.
Available Communication Interfaces
| Interface | Protocol | Product Number |
|---|---|---|
| CIM 040 | GENI TTL | 98415941 |
| CIM 050 | GENIbus | 96824631 |
| CIM 060 | GlowPan (Grundfos GO Remote) | 98778356 |
| CIM 100 | LONWorks (for pumps) | 96824797 |
| CIM 110 | LONWorks (for boosters/twin pumps) | 96824798 |
| CIM 150 | PROFIBUS DP | 96824793 |
| CIM 200 | Modbus RTU | 96824796 |
| CIM 260-EU | 3G/4G Cellular | 99439302 |
| CIM 290-MA | LPWAN GIC (Grundfos Connect) | 92865300 |
| CIM 300 | BACnet MS/TP | 96893770 |
| CIM 500 | Ethernet (PROFINET/Modbus TCP/BACnet IP/EtherNet/IP) | 98301408 |
| CIM 550 | Ethernet (Grundfos Connect) | 92546689 |
CIU Units
| Unit | Product Number | Description |
|---|---|---|
| CIU 900 | 99448387 | Empty CIU unit for all CIM modules |
| CIU 901 | 99448389 | CIU with built-in I/O board (IO 270) |
| CIU 902 | 97644690 | CIU for wastewater AUTOADAPT pumps (1-4 pumps) |
| CIU 903 | 98106399 | CIU for MGEFlex and SQFlex pumps |
E-Box Units (for Small DDA Dosing Pumps)
| Unit | Protocol | Product Number |
|---|---|---|
| E-Box 150 | PROFIBUS DP | 97513994 |
| E-Box 200 | Modbus RTU | 98563350 |
| E-Box 500 | Ethernet (PROFINET/Modbus TCP/EtherNet/IP) | 99171932 |
General CIU 900/901/902 Specifications
| Parameter | Specification |
|---|---|
| Supply Voltage | 24-240 VAC/VDC, -10%/+15% |
| Frequency | 0-60 Hz |
| Power Consumption | Max. 11 W |
| Cable Size | IEC: 0.2-4 mm², UL: 24-12 AWG |
| Enclosure Class | IP54 (IEC 60529) |
| Cable Entry | 6 × M16, Ø4-Ø10 |
| Operating Temperature | -20°C to +45°C (-4°F to +113°F) |
| Storage Temperature | -20°C to +60°C (-4°F to +140°F) |
| Dimensions (H × W × D) | 182 × 108 × 82 mm |
CIU 901 I/O Board Specifications
| Parameter | Specification |
|---|---|
| Configurable Inputs | 2 × (digital or analog 0/4-20 mA, 0-10 V) |
| Relay Output | 1 × (230 V, 2 A) |
| Analog Signal Output | 1 × (0-10 V) |
| Temperature Input | 1 × Pt100/Pt1000 (2-wire) |
| Digital Inputs | 2 × |
Protocol Specifications
GENIbus Communication:
| Parameter | Specification |
|---|---|
| Protocol | GENIbus |
| Transceiver | RS-485 |
| Cable Type | Screened, double twisted-pair |
| Max Cable Length | 1200 m / 4000 ft |
CIM 500 Industrial Ethernet:
| Parameter | Specification |
|---|---|
| Protocols | PROFINET IO (position 0), Modbus TCP (position 1), BACnet IP (position 2), EtherNet/IP (position 3) |
| Transmission Speed | 10/100 Mbit/s |
| Ports | 2 × RJ45 |
| Conformance Class | B (PROFINET) |
| IP Settings | Built-in webserver |
CIM 300 BACnet MS/TP:
| Parameter | Specification |
|---|---|
| Protocol | BACnet MS/TP (Master) |
| Transceiver | RS-485 |
| Transmission Speeds | 9.6, 19.2, 38.4, 76.8 kbit/s |
| Master Address | 0-127 |
CIM 200 Modbus RTU:
| Parameter | Specification |
|---|---|
| Protocol | Modbus RTU |
| Transceiver | RS-485 |
| Transmission Speeds | 1.2, 2.4, 4.8, 9.6, 19.2, 38.4 kbit/s |
| Parity Settings | Even, Odd, or No parity |
| Stop Bits | 1 or 2 |
| Slave Address | 1-247 (via rotary switches) |
CIM 150 PROFIBUS DP:
| Parameter | Specification |
|---|---|
| Protocol | PROFIBUS DP |
| Transceiver | RS-485 |
| Implementation Class | DP-V0 |
| Transmission Speeds | 9600 bit/s to 12 Mbit/s |
| Slave Address | 1-126 (via rotary switches) |
CIM 100/110 LONWorks:
| Parameter | Specification |
|---|---|
| Protocol | LONtalk |
| Transceiver | FTT-10 |
| Transmission Speed | 78 kbit/s |
CIM 260 3G/4G Cellular:
| Parameter | Specification |
|---|---|
| Protocol | SMS, Data connection (Modbus TCP) |
| Antenna | Available as option (PN 99518079) |
| Battery | Available as option (PN 99499908) |
| SIM Card | User/installer supplied |
CIM/CIU Interface Products by Protocol
| Protocol | CIM Module | CIU 900 | CIU 901 | CIU 902 | CIU 903 | E-Box |
|---|---|---|---|---|---|---|
| LONWorks | CIM 100/110 | CIU 100/110 | – | – | – | – |
| PROFIBUS DP | CIM 150 | CIU 150 | – | CIU 152 | – | E-Box 150 |
| Modbus RTU | CIM 200 | CIU 200 | CIU 201 | CIU 202 | – | E-Box 200 |
| BACnet MS/TP | CIM 300 | CIU 300 | – | – | – | – |
| Cellular 3G/4G | CIM 260 EU | CIU 260 EU | CIU 261 EU | CIU 262 EU | – | – |
| Cellular LTE-M | CIM 290-MA | CIU 290-MA | CIU 291-MA | CIU 292-MA | CIU 293-MA | – |
| Industrial Ethernet | CIM 500 | CIU 500 | CIU 501 | CIU 502 | – | E-Box 500 |
| Grundfos Connect | CIM 550 | CIU 550 | CIU 551 | CIU 552 | CIU 553 | – |
Compatible Grundfos Products
Single Pumps (CIM Internal Mount):
- E-pumps based on MGE motor model H/I/J/K
- E-pumps based on MGE motor 11-22 kW
- MAGNA3 circulator pumps
- CRE/CRNE/CRIE, MTRE, CME, TPE2/TPE3, NBE/NKE
Boosters (CIM Internal Mount):
- Hydro/Control MPC (CU 352)
- DDD control (CU 354)
- Hydro Multi-E and Hydro Multi-B
- MAGNA3-D twin circulator pumps
- TPED twin pump model H/I/J/K
Water Utility Controllers:
- Dedicated Controls (CU 362)
- Level Control LC 2X1 wastewater
- Level Control LC 2X2 submersible
Products Requiring CIU 900:
- TPED 11-22 kW
- CUE drive for various standard pumps
- MP 204 motor protector
- DDA model XL and DDA ‘C’
Data Points Available
Control Functions:
- Operating Mode (Start/Stop/Service)
- Setpoint adjustment
- Control Mode selection
- Relay Control
- Tank filling control
Status Information:
- Operating Mode status
- Control Mode status
- Feedback signals
- Alarm/warning information
- Bearing service information
Measured Data:
- Power/Energy consumption
- Pressure (Head)
- Flow rate
- Relative performance
- Speed and frequency
- Digital input/output status
- Motor current/voltage
- Remote flow/pressure/temperature
- Inlet/outlet pressures
- Level measurements
- Operation time (run time)
- Number of starts
- Volume (with sensor)
- Ambient/motor/bearing temperatures
Sub-pump Data (Multi-pump Systems):
- Status/alarm information per pump
- Operation time per pump
- Speed per pump
- Line current/power consumption
- Motor temperature
- Number of starts
- Force to stop/auto control
SMS Features (CIM 260 Cellular)
| Feature | Capability |
|---|---|
| Read Product Status | Pressure, power, temperature (product dependent) |
| Request Alarms | Active alarms/warnings |
| Request I/O Status | Signal status information |
| Network Status | Signal level, battery, cellular status |
| Self-Triggered Messages | Alarm/warning events, heartbeat |
| Control | Operating mode, control mode, setpoint, reset alarms |
| Configuration | PIN code access, SMS/cellular settings |
Accessories
| Accessory | Product Number | Description |
|---|---|---|
| CIM 060 Antenna Kit | 98778357 | For no line-of-sight applications |
| CIM 260 Antenna Kit | 99518079 | 1.5 m cable for EU 3G/4G |
| CIM 260 Battery | 99499908 | Power failure alarm backup |
| CIM 500 RJ45 Field Plug Kit | 98471752 | 2× RJ45 plugs for flexible cable |
| DDA GENIbus Cable (3 m) | 98589048 | Connection to CIU unit |
| Antenna 3G/4G LTE (CIM 290) | 99838775 | 3 m cable with magnetic base |
| Antenna Extension Cable 10 m | 92589374 | SMA connector (male + female) |
| Antenna Extension Cable 20 m | 92589395 | SMA connector (male + female) |
| Robustel R3000-L3H (3G Router) | 99043055 | For CIM 550 in Europe |
| Robustel R3000-L4L (4G Router) | 99043057 | For CIM 550 in Europe |
| 3G/4G Rod Antenna (Robustel) | 99043061 | 5 m cable |
| External Power Supply 12V | 99043052 | For Robustel Router |
Key Benefits
Improved Reliability Pumps and controllers achieve better reliability with reduced downtime through monitoring and control functionality on PLC, BMS/SCADA systems.
Reduced Operational Costs Lower operational costs by adjusting setpoints to match precise system needs via remote control.
Remote Monitoring & Control Reduce manual settings, monitoring time, and travel to sites through remote access via PLC, BMS/SCADA systems.
Predictive Maintenance Enable predictive maintenance and fast reaction time on process changes and exceptions.
Modular Design One solution for all products with modular design prepared for future needs, offering complete process monitoring and control.
Easy Installation Simple configuration saves commissioning time with Grundfos-supplied support files and functional profile manuals.
Flexible Power Supply Wide range 24-240 VAC/VDC power supply in CIU units accommodates diverse installation requirements.
Cloud Connectivity Allow SCADA systems or Grundfos iSOLUTIONS Cloud to create reports through remote monitoring and analysis.
Applications
Building Services:
- HVAC system integration
- Building management system connectivity
- Energy monitoring and optimization
- Circulator pump control
Industrial Automation:
- Process control integration
- PLC connectivity
- SCADA system communication
- Factory automation
Water Utility:
- Pumping station monitoring
- Wastewater treatment control
- Level control integration
- Remote site management
Dosing Applications:
- Chemical dosing pump control
- Flow monitoring
- Batch dosing management
- Alarm notification
Genuine Grundfos Accessories & Parts
Complete your CIM/CIU installation with genuine Grundfos accessories including antenna kits, GENIbus cables, RJ45 field plugs, routers, power supplies, and extension cables. We stock components for complete communication interface solutions.
Select Grundfos Pumps
Browse our complete inventory of Grundfos CIM/CIU communication interfaces and compatible pump systems. As Grundfos Pump Suppliers in Dubai, we provide competitive pricing, technical consultation, and prompt delivery across Dubai, Sharjah, Abu Dhabi, Ajman, and all UAE locations.
Contact us for:
- CIM/CIU interface selection
- Protocol compatibility guidance
- BMS integration support
- Antenna and accessory requirements
- Competitive quotations
- Delivery schedules
Complete Control Through Intelligent Communication
The Grundfos CIM/CIU communication interface range delivers the connectivity, flexibility, and intelligence that modern pump systems demand. With support for BACnet, Modbus, PROFINET, LONWorks, EtherNet/IP, and cellular networks, these interfaces enable seamless integration with building management systems, industrial PLCs, and SCADA platforms—providing complete control, monitoring, and optimization for pumps and pump systems across all applications.