ABB CMC 50-2 P72261-4-9280
1. Product Overview
CMC 50-2 is a Multifunction Module launched by ABB Automation Products, belonging to the CMC 50 series.
CMC 50-2 is the replacement version of CMC 50 and CMC 50-1.
There is no difference in functional performance among the three models (CMC 50, CMC 50-1, CMC 50-2). The core distinction lies in the higher transmission rate of its redundant link.
All three models are managed as CMC 50 in the Composer software.
2. Technical Parameters
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Parameter Item
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Specification
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Supply Voltage
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20V to 33V
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Maximum Overvoltage
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35V (duration: 1s); 45V (duration: 10ms)
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Fuse
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5×20, optional models: M 3.15 E / T 3.15 H
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Rated Current @ 24V Power Supply
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0.8A
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Maximum Current @ 20V Power Supply
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0.92A
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Maximum Power Dissipation
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20W
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Operating Temperature Range
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0°C to 50°C (50°C refers to the temperature under rack ventilation conditions)
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Processing and Storage Capacity
- 10,000 global process variables (PV)
- 50,000 local variables
- 16 tasks for function processing
- Task cycle: 20ms to 2900 hours
3. Product Features
Redundancy Function
Supports redundant configuration; data can be retained when the module is powered off.
Communication Interfaces
- 2 redundant Fnet interfaces for communication with Melody I/O modules
- Redundant Cnet (O) interface for vertical communication
- Redundant Cnet (C) interface for horizontal communication
Monitoring Function
Built-in module monitoring function; fault LED indicators equipped on the front panel to indicate partial module faults.
Clock Synchronization
Equipped with a radio clock interface to support time synchronization.
Redundancy Restrictions
- Only modules of the same model can be set as redundant partners.
- If CMC 50-2 is paired with CMC 50 or CMC 50-1 for redundancy, the active unit will trigger an error message: “Redundancy link failure”.
- Different-model modules are only allowed as redundant partners for online module replacement.
- The defined redundant structure must be installed immediately after redundancy balancing is completed.
4. Structure and Composition
System Accessories
- Front System Package (BA-No. 601)
- Mandatory accessory: 3.6V lithium-ion battery (Part No.: 37921-4-0339111) for RAM buffer
Catalog Number Specification
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Model
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Catalog Number
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CMC 50-2
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72261-5-9280161
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CMC 50-1
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72261-4-0788763
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CMC 50
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72261-4-0788761
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Note: No matching information is found for the user-inquired model “P72261-4-9280″. The model “P 72263-4-9280″ mentioned in relevant materials belongs to the CMC 70 series instead of the CMC 50 series.
5. Application Fields
Industrial Control and Automation System
- Process Control
- Industrial Automation
Description of Redundancy Application
- The redundancy function prevents major system shutdowns caused by minor faults.
- Supports hot swapping, allowing component replacement without system shutdown.
- Logic of the backup controller can be updated without interrupting production processes.
- Improves the recovery capability of the network and system against power failures, equipment faults and cable damage.
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If you would like to learn more about our products and services, please feel free to contact us at any time!
- Sales Manager : Jinny
- Email : sales5@xrjdcs.com
- Whatsapp/Mobile:+86 15359273791
Global renowned brand cooperation
ABB 丨 GE 丨Allen Bradley 丨 Honeywell 丨 Emerson 丨 Bently Nevada 丨 Westinghouse
Triconex 丨 Foxboro 丨 ICS Triplex 丨 Hima 丨 Schneider 丨 Yokogawa 丨 Woodward
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