The Yokogawa ARS15B is a solid-state relay board designed for use in the FIO subsystem of the CENTUM VP system. It acts as an interface between digital input/output modules and field devices. This relay board is capable of handling contact or voltage input signals from field devices and provides reliable switching operations in industrial automation environments.

Technical Specifications

• Contact Input Type: Single/dual-redundant solid-state relay.
• Contact Points: 32 points.
• Field Device Connection: M4 screws for terminal connections.
• Modules:
  • ADV151 (32-point digital input).
  • ATD5A (terminal block).
  • ADV161 (64-point digital input).
• Signal Cables:
  • AKB331 for 32-point.
  • AKB337 for 64-point.

Contact Input Signal

• ON Signal: ≤ 200 Ω.
• OFF Signal: ≥ 200 kΩ.

External Contact Rating

• ARS15B-5 (48 V DC): Minimum 60 V DC, 20 mA.
• ARS15B-6 (110 V DC): Minimum 140 V DC, 20 mA.

Power Supply and Current Consumption

• Internal Circuit Power Supply: 24 V DC, max. 0.32 A (external power supply required).
• Field Device Power Supply:
  • ARS15B-5 (48 V DC): 48 V DC, max. 0.5 A per line.
  • ARS15B-6 (110 V DC): 110 V DC, max. 0.4 A per line.

Insulation and Withstanding Voltage

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

Environmental Specifications

• Ambient Temperature: 0 to 50 °C.
• Humidity: 10 to 90 %RH.

Standards Compliance

• ARS15B-5 (48 V DC): EMC standards (CE, RCM, KC Marking, EAC Marking).
• ARS15B-6 (110 V DC): Safety standard (CSA), EMC standards (RCM, KC Marking).

Size and Weight

• Dimensions: W 482.6 mm x H 132.5 mm (3U).
• Weight: 2.5 kg.