The Yokogawa ARM55W is a relay output board designed for integration within the FIO subsystem of the CENTUM VP system. It is ideal for industrial automation applications where reliable and efficient signal transmission is critical. The ARM55W ensures seamless interaction with other Yokogawa automation components, providing flexibility and reliability across various industrial environments. It supports dual-redundant configurations to enhance system uptime and is versatile in use for process control, monitoring, and safety systems.

Technical Specifications

• Model: ARM55W
• Type: Relay Output Board
• Contact Points: 32 points
• Terminals: M4 screws
• Signal Cables:
  • Connects to digital I/O modules via AKB331 (32-point) or AKB337 (64-point) terminal blocks
• Compatible Digital I/O Modules:
  • ADV551 (DO: 32-point)
  • ATD5A
  • ADV561 (DO: 64-point)

Electrical Specifications

• Output Type: Wet contact output (single/dual-redundant)
• Switch Type: AUTO/OFF/ON (available for ARM55T only)
• Output Ratings:
  • 250 VAC: 0.6 A per point
  • 30 VDC: 0.6 A per point
  • 125 VDC: 0.1 A per point
  • 5 V, 10 mA (minimum)
  • 24 VDC: Max. 0.65 A
• Power Supply: Dual-line supply per 16-point
  • 250 VAC: Max. 9.6 A
  • 30 VDC: Max. 9.6 A
  • 125 VDC: Max. 1.6 A

Insulation Resistance

• Field Device Terminals to Case: At least 10 MΩ (500 VDC)
• Power Terminals to Case: 500 V
• Power Terminals to Field Device Terminals: 2 kV

Environmental Specifications

• Operating Temperature: 0°C to 50°C
• Humidity: 10% to 90% RH
• Safety Standards: CE Marking, CSA, C-Tick Marking, KC Marking
• EMC Standards: CE Marking

Physical Dimensions

• Dimensions: 482.6 mm (W) x 177 mm (H) x 4U
• Weight: 2.6 kg