Description
Allen-Bradley 1771-CFM Configurable Flow Meter Module
The Allen-Bradley 1771-CFM module measures flow and speed in industrial systems. It works with PLC-5 controllers to make flow monitoring easy and accurate. This special module saves programming time and PLC memory.
Technical Specifications
Brand: Allen-Bradley
Model: 1771-CFM
Series: PLC-5
Type: Specialized I/O Module
Inputs: 4 Digital (Magnetic Pickup, TTL)
Outputs: 4 Digital (5-40V DC)
Max Frequency: 100 kHz
Voltage Range: 50 mV-200 V AC Peak
Backplane Current: 1.0 Amp max
Scan Time: 1.3-5 ms
Power Use: 2-13 Watts
Operating Temp: 0 to 60°C
Weight: 1.9 lbs (0.9 kg)
Dimensions: 3.5 x 6.5 x 2.0 inches
How It Works
The 1771-CFM module connects between your PLC and flow measurement devices. It reads signals from sensors like turbine flow meters. Then it calculates accurate flow rates and speeds. The module sends this data to your PLC, saving processing power.
Operation Modes
The 1771-CFM module works in four different modes:
• Non-resettable totalizer mode
• Totalizer mode
• High-resolution frequency mode
• Direction sensor mode
Warranty & Shipping
We provide a 12-month warranty on this product.
We ship worldwide using FedEx, UPS, and DHL.
Frequently Asked Questions
- Q: What sensors work with the 1771-CFM module?
A: It works with turbine flowmeters, magnetic pickups, shaft encoders, and TTL pulse sources. - Q: Can this module replace older flow meter modules?
A: Yes, it directly replaces 1771-QRC and 1771-QRD modules without changing your program. - Q: How many flow meters can I connect?
A: You can connect up to four flow meters or sensors (one per input channel). - Q: What industries use this module?
A: Power generation, oil and gas, automotive, food and beverage, and pipeline industries. - Q: Does this module need special programming?
A: It works with standard PLC-5 programming software and doesn’t need special programming skills.
Compare With Other Modules
The 1771-CFM is a specialized flow measurement module, while other 1771 modules like the 1771-IFMS Intrinsically Safe Module or 1771-IG TTL Input Module serve different purposes in control systems.
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