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The Allen-Bradley 1771-CFM is a versatile configurable flowmeter module engineered for precise flow and shaft speed calculations, seamlessly interfacing PLC systems with a range of input devices like turbine flowmeters, magnetic pickups, and shaft encoders. It is compatible with TTL pulse sources and supports diverse modes such as non-resettable totalizer, high-resolution frequency, and direction sensor, allowing it to adapt to complex operations within industries ranging from power generation to food and beverage. With four input channels and the capability to control up to four outputs, it delivers rapid data processing with a maximum input frequency of 100 kHz and minimal processing time of 5.5 milliseconds, while simplifying programming and conserving PLC memory, making it a drop-in replacement for older modules with no need for alterations to ladder logic.