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The ALR121-S50 is a serial communication module used with a safety control station (SCS) for performing Modbus communication.
Brand :
YokogawaPart number :
ALR121-S50Description :
Serial Communication ModuleOrigin :
IndonesiaCondition :
NewDimension :
130 mm x 143 mm x 33 mmWeight :
0.4 kgPayment :
Bank Transfer
Description
· Manufacturer: Yokogawa
· Product No.: ALR121-S50
· Product Type: Serial Communication Module (RS-422/RS-485, 2 port)
· Suffix Codes:
-S Standard type
5 With no explosion protection
0 Basic type
The serial communication module communicates with subsystems at the specified intervals and stores the
subsystem data in the communication modules' I/O image. The subsystem communication function of SCS
accesses the communication module asynchronously from them, and refers to or sets the I/O image.
The application logic of SCS reads data from the communication I/O data area when the communication
input FB is executed, and writes the calculation data to the communication I/O data area when the
communication output FB is executed.
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