Yokogawa ARM55D Mechanical Relay Dry Contact Output Board

Overview

The Yokogawa ARM55D is a mechanical relay dry contact output board designed for seamless integration in industrial control systems. This board features 32 output points with Normally Open (NO) contact configuration, supporting both single and dual-redundant operation modes. By utilizing M4 screw terminals, it provides a stable connection to field devices, simplifying installation. Moreover, the ARM55D excels in demanding environments, offering impressive insulation resistance for reliable performance over time.

Key Features

32 Dry Contact Outputs: The ARM55D provides 32 output points, making it ideal for controlling a variety of field devices.
Flexible Contact Configuration: With the ability to configure outputs as Normally Open (NO), this board meets diverse industrial requirements.
Single or Dual-Redundant Operation: Choose between single or dual-redundant configurations to enhance system reliability and minimize downtime.
Reliable Field Device Connection: M4 screw terminals ensure secure and stable connections to connected devices, eliminating concerns about loose connections.
Exceptional Insulation Resistance: The board guarantees insulation resistance of at least 10 MΩ at 500 V DC, protecting against electrical interference.
Efficient Space Utilization: Its compact design facilitates easy installation in control systems with limited space, making it an ideal solution for space-constrained applications.

Technical Specifications

Parameter	Specification
Model Number	ARM55D
Type	Mechanical Relay Dry Contact Output Board
Output Channels	32 dry contact outputs, Normally Open (NO)
Contact Configuration	Normally Open (NO)
Terminals for Field Device	M4 screws
Insulation Resistance	≥10 MΩ @ 500 V DC
Relay Type	Mechanical relay
Power Supply	24 V DC
Mounting	Standard rack mountable, 19-inch
Operating Temperature	0°C to 50°C
Weight	2.0 kg
Humidity Range	10% to 90% RH, non-condensing

Applications

The Yokogawa ARM55D is ideal for a wide range of industrial control applications, such as:

Automation Systems: It excels in scenarios where multiple relay outputs are needed for field device control.
Process Control: This board ensures precise and reliable dry contact outputs, making it perfect for process control and monitoring systems.
Field Device Management: The ARM55D ensures optimal switching and control of field devices in environments where reliability is critical.

Conclusion

In summary, the Yokogawa ARM55D mechanical relay output board is designed to deliver robust, reliable performance in industrial environments. With 32 dry contact outputs and the flexibility of Normally Open (NO) configurations, it easily integrates into existing systems. Furthermore, its high insulation resistance and secure terminal connections ensure long-lasting reliability, making it a valuable addition to process automation systems.