1790D-TN4C0
The 1790D-TN4C0 is an analog input module from Rockwell Automation under the Allen-Bradley brand. It is mainly used in CompactLogix/MicroLogix series PLC, which can convert external analog current signals (for example, current signals from sensors and transmitters) into digital signals that can be recognized by PLC, so as to realize the acquisition and processing of analog data.
Product name resolution
1790D: Indicates that this module belongs to Allen-Bradley’s 1790D series, commonly used in the CompactLogix/MicroLogix series PLC.
TN4C0:
TN: indicates Analog Input.
4: indicates that the module has four channels.
C0: indicates that the input signal is a current signal.
Product description
The main functions of the 1790D-TN4C0 module include:
Analog signal acquisition: Collects analog current signals from sensors and other devices.
Signal conversion: The analog current signal is converted into a digital signal for PLC processing.
Isolation: There is usually an isolation function between the input channel and the PLC to improve the dry resistance of the system
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