YOKOGAWA ALR121-S50 Communication Module Expansion Processor Module Model: AIP830-111 (Operation Keyboard for

Model: AIP830-111 (Operation Keyboard for Single-loop Operation)

and cable for reliable operation

Mounted nearly in the center of the board

Maximum Input Voltage (any input referenced to common

YOKOGAWA ALR121-S50 Communication Module Expansion Processor Module Model: AIP830-111 (Operation Keyboard forOverview The Yokogawa ALR121 S50 is a serial communication module designed for use in Yokogawa control systems. It provides two serial communication ports, supporting RS 422 and RS 485 protocols, allowing for reliable communication with various devices. Technical Specifications Manufacturer: Yokogawa Product Type: ALR121 Serial Communication Module Interface: RS 422 RS 485 Connection Method: Point to point (RS 422), Multipoint (RS 485) Synchronization