Description
The Allen-Bradley 1756-CFM is a specialized ControlLogix Configurable Flowmeter Module engineered for precise flow measurement and totalization tasks within industrial automation environments. This module is designed to integrate seamlessly into the ControlLogix platform, offering robust data acquisition capabilities for flow-critical applications.
Features
- Dual flowmeter input channels for versatile monitoring.
- Dual gate input channels to support complex measurement sequences.
- Flexible operation modes including Totalizer, Fill, and Prover functionalities.
- Designed for standard ControlLogix chassis mounting.
- High-performance processing power with efficient thermal management.
Applications
This module is primarily utilized in liquid and gas metering systems where high-precision totalization and flow control are required. Common applications include custody transfer, batch processing, and flow prover operations in oil, gas, and chemical processing facilities.
Technical Specifications
| Product Model |
1756-CFM |
| Series |
ControlLogix |
| Backplane Current (5V DC) |
300 mA |
| Backplane Current (24V DC) |
6 mA |
| Max Power Dissipation |
6 Watts at 60 degC |
| Compatible RTB |
1756-TBNH, 1756-TBSH |
| Enclosure Type |
Open |
Installation Guidelines
- Ensure the ControlLogix chassis is powered down before inserting or removing the 1756-CFM module to prevent electrical damage.
- Verify the module is fully seated and the locking mechanism is engaged to ensure reliable backplane communication.
- Use appropriate 1756-TBNH or 1756-TBSH Removable Terminal Blocks (RTBs) for secure wiring connections.
- Maintain proper ventilation within the cabinet to stay within the 60 degC maximum operating temperature threshold.
- Route signal cables away from high-voltage or high-EMI sources to maintain signal integrity for flowmeter inputs.
FAQ
What terminal blocks are compatible with the 1756-CFM?
The module is compatible with the 1756-TBNH and 1756-TBSH removable terminal blocks.
Does this module require external power?
The module draws its required power directly from the ControlLogix backplane (300mA at 5V and 6mA at 24V).
