AB 1771-CFM is a configurable type of flow meter module produced by Allen-Bradley(manufactured by Rockwell Automation)and is part of the PLC 5 series.The following is a detailed introduction to the module:

I.Main functions

The AB 1771-CFM module is mainly used in automatic systems to quickly and accurately calculate the flow rate after receiving a signal from a flow measurement field device.It is also used for shaft speed calculations.The module is able to support the interface between the PLC and a turbine flow meter,a magnetic pickup,or a single-channel shaft encoder,and can be used to calculate the flow signal delivered from any TTL pulse source.

II.Technical specifications

Digital I/O support:The module supports 4 digital I/Os,which are digital outputs that operate at 5 to 40 volts DC.

Sensor type:A magnetic sensor is used,namely the Bently 3300 proximity sensor.

Installation:The module only requires one slot in the chassis for installation and is protected from corrosive chemicals by a conformal coating.

3.Application Fields

The AB 1771-CFM module is widely used in various industries,including power generation,oil,gas,automotive,food and beverage,and pipeline industries.Operators can use it for almost any application with flow or turbine metering.

4.Advantages and Features

Simplified programming:By installing this module into a PLC-5 system,users can simplify programming.

Save memory:Using the AB 1771-CFM module can save PLC memory.

Substitutability:This module can be used as a direct replacement for the 1771-QRC and 1771-QRD modules without making any changes to the ladder logic.

5.Precautions

Compatibility:When purchasing and using the AB 1771-CFM module,you need to ensure that it is compatible with the existing PLC system.

Installation and Maintenance:The installation and maintenance guidelines provided by the manufacturer should be followed for proper installation and regular maintenance.

Technical Support:If you encounter any problems during use,you should contact the manufacturer or a professional technical support team for help in a timely manner.

 

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