Overview
The Yokogawa ARM15A is a mechanical relay contact input module used in Yokogawa’s control systems, such as the CENTUM VP system. It provides 32 contact points for field devices like switches and sensors.
Key Features
- Contact Points: 32
- Connection Terminals: M4 screws for field device connections
- Modules:
- ADV151: 32-point DI (Digital Input) module
- ADV161: 64-point DI module (*1)
- Signal Cables:
- AKB331: For 32-point
- AKB337: For 64-point
Input Signal Characteristics
- ON Signal: ≤150 Ω
- OFF Signal: ≥200 kΩ
- External Contact Rating:
- Minimum Load: 24 V DC, 13 mA (*3)
Power Supply and Consumption
- Power Supply: 24 V DC (External power required)
- Current Consumption for Internal Circuit: Max. 0.32 A
- Field Device Power Supply: Dual-line per 16-point
- 24 V DC: Max. 0.3 A per line
Electrical Insulation and Safety
- Insulation Resistance: ≥10 MΩ (500 V DC)
- Withstanding Voltage:
- Between field device terminals and cases: 1.5 kV
- Between 24 V power terminals and cases: 500 V
- Between 24 V power terminals and field device terminals: 1.5 kV
Environmental Specifications
- Ambient Temperature: 0 to 50 °C
- Humidity: 10 to 90 %RH
Standards and Compliance
The ARM15A meets various EMC standards, including:
- CE Marking
- C-Tick Marking
- KC Marking (*2)
Physical Specifications
- Size: 482.6 mm (W) x 132.5 mm (H) (3U)
- Weight: 2.2 kg
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