Mechanical Relay Board 32ch Input ARM15A-000 Yokogawa

Product Overview

Yokogawa ARM15A-000 is a mechanical relay board providing 32 dry contact inputs for CENTUM systems. It interfaces with digital input modules such as ADV151 and supports single or dual-redundant configurations via AKB331/AKB337 cables.

Technical Specs

• Type: Mechanical Relay Board (Contact Input)
• Points: 32
• Terminals: M4 screws
• Compatible modules: ADV151 + ATD5A, ADV161
• Signal cables: AKB331 (32-pt), AKB337 (64-pt)
• Contact rating: 24 V DC, 13 mA min load class
• ON signal: ≤150 Ω / OFF signal: ≥200 kΩ
• Mounting: 19-inch rack
• Weight: Approx. 2.0 kg

Key Features

• 32-point dry contact input isolation
• Mechanical relay interface for field contacts
• Supports single/dual-redundant digital modules
• Standard 19-inch rack mounting

FAQ

• Points? 32 dry contact inputs.
• Modules? ADV151 / ADV161 class.
• Mounting? 19-inch rack.

Installation Guide

1. Mount the relay board in the 19-inch rack.
2. Connect the signal cable to the digital input module.
3. Wire field dry contacts to the M4 terminals.
4. Supply external 24 V DC if required for internal circuit.
5. Verify contact status in the system.

Selection Tips

• Confirm cable type (AKB331 or AKB337) and module pairing.
• Useful for isolating field contacts from the I/O cards.
• Standard spare for CENTUM relay input boards.