Yokogawa ALR111  ALR121 Serial Communication Modules

STANDARD SPECIFICATIONS

This document describes about Models ALR111 and ALR121 Serial Communication Modules (for FIO) that a field control station (FCS) uses to perform serial communication with subsystems such as FA-M3. These serial communication modules can be mounted on field control units (AFV30, AFV40, AFV10, and AFF50), ESB bus node unit (ANB10), optical ESB bus node unit (ANB11), and ER bus node unit (ANR10).

ALR111 Serial Communication Module (RS-232C, 2 port)

ALR111-S50  ALR111-S51  ALR111-SE0  ALR111-SE1

ALR121 Serial Communication Module (RS-422/RS-485, 2 port)

ALR121-S50  ALR121-S51  ALR121-SE0  ALR121-SE1