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Number of Positions: 4
derates linearly to 2
Depth: 139
making it suitable for a wide range of monitoring and control tasks
Tested to IEC 68-2-3 damp heat conditions
ALR121-S51 Serial Communication Module YOKOGAWA AC500 Controller Kit Number of Positions: 4Description The ALR121 S51 is a serial communication module from Yokogawa designed for industrial systems. It supports RS 422 RS 485 interfaces, offering reliable communication for a variety of applications. Model and Function Manufacturer: Yokogawa Model Number: ALR121 S51 Product Type: Serial Communication Module Interface and Connection Interface: RS 422 RS 485 (4 wire system) Connection Method: Point to point (RS 422), Multipoint (RS 485)
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