Yokogawa|ALR111-S51|Communication Module
YOKOGAWA ALR111-S51 Serial Communication Module
• The YOKOGAWA ALR111-S51 is a two-port RS-232C serial communication module for ProSafe-RS safety control stations, supporting Modbus slave and subsystem communication functions.
Features
• Supports Modbus RTU protocol in slave mode
• Enables data exchange with external systems and subsystems
• Compatible with dual-redundant network setups
• Mounts on SSC60, SSC50, SSC57, and SSC10 units
Technical Specifications
• Interface: RS-232C
• Connection method: Point-to-point
• Duplex mode: Half-duplex
• Baud rates: 1200 / 2400 / 4800 / 9600 / 19200 / 38400 bps
• Data format: 8-bit character length (fixed)
• Stop bits: 1 or 2 (1 fixed for subsystem communication)
• Parity: None / even / odd
• Post-transmission lag time: 1 ms
• Max transmission distance: 15 m
• Current consumption: 0.5 A
• Weight: Approx. 0.3 kg
Yokogawa|ALR111-S51|Communication Module
Yokogawa|ALR111-S51|Communication Module
YOKOGAWA ALR111-S51 Serial Communication Module
• The YOKOGAWA ALR111-S51 is a two-port RS-232C serial communication module for ProSafe-RS safety control stations, supporting Modbus slave and subsystem communication functions.
Features
• Supports Modbus RTU protocol in slave mode
• Enables data exchange with external systems and subsystems
• Compatible with dual-redundant network setups
• Mounts on SSC60, SSC50, SSC57, and SSC10 units
Technical Specifications
• Interface: RS-232C
• Connection method: Point-to-point
• Duplex mode: Half-duplex
• Baud rates: 1200 / 2400 / 4800 / 9600 / 19200 / 38400 bps
• Data format: 8-bit character length (fixed)
• Stop bits: 1 or 2 (1 fixed for subsystem communication)
• Parity: None / even / odd
• Post-transmission lag time: 1 ms
• Max transmission distance: 15 m
• Current consumption: 0.5 A
• Weight: Approx. 0.3 kg
