YOKOGAWA ALR121 Serial Communication Module In Stock

Overview

The Yokogawa ALR121 is a serial communication module designed to connect Yokogawa’s Field Control Stations (FCS) to external subsystems, such as FA-M3. It enables reliable and efficient data transfer for industrial automation systems. The module supports both point-to-point (RS-422) and multipoint (RS-485) communication, making it versatile for a variety of applications.

Technical Specifications

Interface:
- RS-422 (Point-to-point)
- RS-485 (Multipoint)
Communication Function: Half-duplex
Synchronization Method: Start-stop synchronization
Transmission Speed:
- Selectable between 1200, 2400, 4800, 9600, 19200, and 38400 bps
Transmission Code: ASCII and binary
Character Length: 7 or 8 bits
Stop Bit Length: 1 or 2 bits
Parity Check: None, Even, or Odd
Lag Time After Data Transmission: 1 ms (time to resume receiving data)
Transmission Distance: Maximum of 1200 meters (total extended length)
I/O Wiring:
- 3-pair shielded cable (AKB161 or AKB162)
Wiring Connection: Clamped with terminal block M4 screws (5 poles x 2)
Current Consumption: 0.5A
Weight: 0.3 kg

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