Yokogawa ARS55M Solid State Relay Board

The YOKOGAWA ARS55M is a solid-state relay board designed for use in the CENTUM VP control system. It serves as a bridge between the digital input/output modules and field devices, enabling reliable, high-performance control for various industrial applications. This relay board supports solid-state relay outputs with TRIAC and transistor options, making it suitable for a wide range of control and switching tasks.

Technical Specifications

Relay Outputs

• Relay Type: Solid-state relay (TRIAC output and transistor output)
• Output Configuration: Single or dual-redundant

Contact Points

• Number of Points: 32-point digital output

Connection Terminals

• Field Device Connections: Pressure clamp terminals for secure and reliable connections
• Cable Specifications: Refer to terminal treatment tables for signal line and power line cable details

Modules Compatibility

• Digital Output Modules:
  • ADV551: 32-point output module
  • ADV561: 64-point output module (*1)
• Signal Cables:
  • AKB331: For 32-point configurations
  • AKB337: For 64-point configurations

Output Voltage and Current

• Voltage Range: 24 to 140 V AC
• Current Range:
  • 30 mA to 2.5 A at ambient temperatures under 20°C
  • 30 mA to 2 A between 20°C and 35°C
  • 30 mA to 1.5 A between 35°C and 40°C
  • 30 mA to 1.3 A between 40°C and 50°C
• Inductive Load: Maximum 1.5 A for inductive loads, even at temperatures below 35°C

Power Supply

• Internal Circuit Power Supply: 24 V DC (external power supply required)
• Current Consumption: Max. 0.9 A

Insulation and Withstanding Voltage

• Insulation Resistance: At least 10 MΩ at 500 V DC
• Withstanding Voltage: 2 kV between 24 V power terminals and field device terminals

Environmental Conditions

• Operating Temperature: 0°C to 50°C
• Humidity: 10% to 90% relative humidity (non-condensing)

Compliance and Standards

• Safety Standards: CSA certified
• EMC Standards: RCM and KC Marking compliance

Physical Specifications

• Dimensions: 436 mm (W) x 125.4 mm (H)
• Weight: 3.0 kg