YOKOGAWA ALR121-S53 Communication Module

Product Overview

• Serial communication module designed for Yokogawa’s Field Control Station (FCS)

• Supports RS-422/RS-485 interfaces for industrial automation and subsystem integration

• Enables point-to-point or multipoint communication with subsystems like FA-M3

• Compact and rugged design suitable for harsh environments

• Compatible with various field control units (e.g., AFV30, AFV40, ANB10, ANB11)

• Ideal for process control systems requiring reliable data exchange

Technical Specifications

• Interface: RS-422/RS-485

• Communication Method: Half-duplex, start-stop synchronization

• Transmission Speed: 1200 / 2400 / 4800 / 9600 / 19200 / 38400 bps

• Transmission Code: ASCII / Binary

• Character Length: 7 or 8 bits

• Stop Bit Length: 1 or 2 bits

• Parity Check: None / Even / Odd

• Transmission Distance: Up to 1200 meters (total extended length)

• Input Voltage: 24 VDC

• Output Voltage: 0–10 VDC

• Operating Temperature: -40°C to +75°C

• Dimensions: 100 mm × 80 mm × 30 mm

• Weight: 0.3 kg

• Current Consumption: 0.5 A