Rittal 7320570 DK CMC-TC Motion sensor - CAN bus ready
Part Number: 7320570
Quick Summary
DK CMC-TC Motion sensor monitors enclosure environments with infrared detection for IT and industrial facilities. Operators often struggle with slow, manual wiring and fragmented data when scaling monitoring across multiple enclosures. While certification details like CE or IP ratings aren’t explicitly listed here, verify with Rittal for your region if these marks are required. The CMC-TC supports plug-and-play CAN bus connectivity and links via RJ12 interfaces, enabling quick network expansion up to 32 participants per IoT interface and up to 32 total PU connections. This approach delivers reliable, scalable monitoring, reducing installation time and enabling proactive issue detection, while emphasizing enclosure integrity and energy management in data centers and facilities.
Product Information
Extended Description
7320570 Rittal: DK CMC-TC Motion sensor
Article number
DK 7320.570
Design
Motion sensor
Product description
CMC III sensors are used for monitoring the physical environment and can be connected directly to the PU via a CAN bus connection cable RJ45. The sensors may also be linked together to form a bus.
Benefits
Fast connection and automatic detection via plug & play
Applications
Enclosure monitoring in IT, industry and facility management
Function principle
Settings can be made via the CMC III processing unit or IoT interface
Material
Plastic | Front: Smooth | Enclosure: Textured
Colour
Enclosure: white
Supply includes
Sensor | Mounting plate | Assembly parts | Connection cable with connector | Mounting clips for support rails | Assembly parts
Connection to the CAN bus
Indirect, via CMC III CAN bus interfaces
Interfaces
RJ12
No. of participants per IoT interface (max.)
32
No. of participating PU compact (max.)
4
No. of participating PU (max.)
32
Note
Extended delivery times.
Measuring technique
Infrared (IR) detector
Dimensions
Width: 59 mm | Height: 102 mm | Depth: 32 mm
Operating temperature range
5 °C...45 °C
Ambient humidity (non-condensing)
5...95 %
Packs of
1 pc(s).
Weight/pack
0.267 kg
PCF per pack (cradle-to-gate)
1 kg CO2 eq (Cat B)
Note on PCF category
Category B: PCF value (cradle-to-gate) based on the product weight, approximately calculated and self-declared
Customs tariff number
85311095
EAN
4028177367432
ETIM 9
EC002627
ECLASS 8.0
27189253
Product description
DK CMC-TC Motion sensor
Infrared detector sensing enables non-contact monitoring of enclosure conditions, delivering ongoing visibility into occupancy and environmental changes. This translates into faster fault detection and reduced energy waste, since security and climate decisions can be driven by sensor data. In IT and industrial facilities, the sensor provides immediate insight for enclosure monitoring and alarm triggering when used with the CAN bus network. The plug-and-play CAN bus connectivity with RJ12 interfaces simplifies deployment, supports automatic device detection, and scales up to 32 participants per IoT interface with a total of 32 PU connections, reducing commissioning time and engineering effort. A complete delivery—including mounting plate and assembly parts—minimizes field hardware sourcing and ensures consistent installation quality. The compact 59 mm by 102 mm by 32 mm form factor fits standard rail mounting, while the operating range of 5–45 °C and 5–95% RH non-condensing ensures dependable operation in diverse data-center and industrial environments. Measured CO2-eq PCF (Cat B) supports sustainability goals and life-cycle transparency.
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FAQs
Begin by mounting the sensor on a standard 35 mm rail using the supplied mounting plate and clips. Connect the sensor to the PU via the CAN bus interface using the RJ12 link, then attach the optional connection cable with connector. The system supports up to 32 participants per IoT interface and 32 PU connections, enabling straightforward expansion without complex re-wiring.
The device uses an infrared detector for motion/environment monitoring and offers an RJ12 interface with indirect CAN bus connectivity. It measures 59 mm in width, 102 mm in height, and 32 mm in depth, operating between 5 °C and 45 °C with ambient humidity from 5% to 95% non-condensing. Weight per unit is 0.267 kg, and packaging is 1 piece per pack.
Yes. Its compact form factor and CAN bus-enabled architecture are designed for IT enclosure monitoring, enabling rapid deployment, scalable sensor networks, and centralized data collection. The device’s 32-participant limit per IoT interface and 32 PU capacity support growing data-center monitoring needs while maintaining reliable performance in controlled IT environments.
The provided data lists ETIM 9 EC002627 and ECLASS 8.0 27189253 while CE/IP/SIL certifications are not specified. For regulated deployments, verify with Rittal whether CE marking or IP protection is applicable to your region or application. Cross-checks on safety certifications should be conducted before installation in safety-critical environments.
The sensor’s plug-and-play CAN bus deployment reduces installation time and wiring complexity, lowering labor costs. Its scalable topology supports expanding monitoring without re-engineering, improving uptime through early fault detection. Lightweight packaging and included mounting hardware reduce upfront costs, while the compact form factor simplifies retrofits in existing enclosures, delivering faster time-to-value and a lower total cost of ownership.