The Yokogawa ARM15A is a mechanical relay contact input module designed for use in the FIO subsystem of CENTUM VP. It provides 32 dry contact inputs, allowing for the connection of various field devices such as switches, limit switches, and pressure transducers. This module is commonly used in industrial automation applications where reliable and robust signal acquisition is essential.
Key Features and Specifications
Contact Points: 32 dry contact inputs
Terminals: M4 screws for field device connection
Modules: Compatible with ADV151 (DI: 32-point) and ADV161 (DI: 64-point)
Signal Cables: AKB331 (for 32-point), AKB337 (for 64-point)
Contact Input Signal: ON signal: 150 Ω or less; OFF signal: At least 200 kΩ
External Contact Rating: 24 V DC, 13 mA
Power Supply: 24 V DC, max. 0.32 A
Insulation Resistance: At least 10 MΩ (500 V DC)
Withstanding Voltage: 1.5 kV between field device terminals and cases, 500 V between 24 V power terminals and cases, and 1.5 kV between 24 V power terminals and field device terminals
Ambient Temperature and Humidity: 0 to 50 °C, 10 to 90 %RH
Advantages
Reliability: The ARM15A is built with high-quality components and designed for long-term operation in demanding industrial environments.
Flexibility: It can be used in both single and dual-redundant systems.
Compatibility: The module is compatible with a wide range of Yokogawa products and can be easily integrated into existing systems.
Ease of Use: The ARM15A is simple to install and configure, reducing downtime and maintenance costs.
Precautions
External Power Supply: The ARM15A requires an external power supply.
Safety Standards: The ARM15A is out of scope of the Safety Standards.
Contact Rating: Ensure that the external load connected to the ARM15A does not exceed the specified contact rating.
Environmental Conditions: Operate the module within the specified temperature and humidity ranges.
Applications
Process Control: Monitoring and controlling industrial processes such as temperature, pressure, and flow.
Safety Systems: Detecting and responding to hazardous conditions.
Machine Automation: Controlling and monitoring automated machinery.
Building Automation: Regulating HVAC systems and other building functions.
Summary
The Yokogawa ARM15A is a versatile and reliable relay board that can be used in a wide range of industrial applications. Its key advantages include high reliability, flexibility, compatibility, and ease of use. By following the recommended precautions, the ARM15A can provide many years of trouble-free service.
Shipping Port: China
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