Product Details
Product Overview
The Yokogawa ARM55C-000 serves as a high-density mechanical relay output board for industrial control systems. This module provides 32 independent dry-contact relay channels, allowing for the switching of diverse AC and DC loads in automation environments. We supply this unit as 100% Brand New and Original, ensuring optimal contact resistance and mechanical integrity for critical interlock and signaling applications.
Technical Specifications
| Feature | Specifications |
| Output Type | Dry-contact Mechanical Relay |
| Number of Channels | 32 Channels |
| Max Load (AC) | 250 V AC @ 2 A |
| Max Load (DC) | 30 V DC @ 2 A / 125 V DC @ 0.1 A |
| Min Load | 5 V DC @ 10 mA |
| Insulation Resistance | $\ge 10$ M$\Omega$ @ 500 V DC |
| Dielectric Strength | 1500 V AC between field terminals and case |
| Power Supply | 24 V DC, Max 0.85 A |
| Operating Temp | 0 to 50°C |
| Weight | 2.2 kg |
Engineering Advantages
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High-Capacity Switching: The ARM55C-000 manages significant electrical loads up to 250V AC or 30V DC at 2 Amps. This capability eliminates the need for intermediate relay terminals for many standard industrial actuators and solenoids, saving cabinet space and reducing wiring complexity.
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Superior Galvanic Isolation: The board provides a dielectric strength of 1500 V AC between field terminals and the chassis. This robust isolation protects the sensitive 5V DC control logic from high-voltage transients and potential ground loops originating from field devices.
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Secure Mechanical Termination: The module utilizes M3.5 screws for field connections, facilitating a high-torque mechanical grip. This ensures that field wiring remains secure under vibration, preventing the intermittent contact issues often found in tension-style terminals.
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Standardized Rack Integration: The hardware fits perfectly into standard 19-inch racks. This standardized footprint simplifies the organization of high-density I/O clusters and ensures efficient airflow for the 24 V DC power supply components.
FAQs
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Can the ARM55C-000 handle low-current logic signals?
Yes. While it handles high loads, it also supports a minimum load of 5 V DC @ 10 mA. This versatility allows you to use the same board for both power switching and high-impedance logic feedback.
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What precautions should I take during installation on a 19-inch rack?
Ensure you tighten all M3.5 screws to the specified torque to prevent arcing at high loads. Also, maintain the ambient temperature within the 0 to 50°C range, as excessive heat can degrade the mechanical lifespan of the relays.
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Does this board require external power for the relays?
The board requires a 24 V DC external power supply (up to 0.85 A) to drive the relay coils. The control logic itself operates on 5V DC at 10 mA per channel.
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Is this module a direct replacement for older ARM55 series boards?
The ARM55C-000 represents the latest revision. It maintains backward compatibility with the mounting and electrical specifications of previous ARM55 models. We guarantee this unit is 100% Brand New, providing a longer MTBF (Mean Time Between Failure) than refurbished alternatives.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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Choosing the Right Controller: PLC vs. Motion Controller in Industrial Automation
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Mastering PLC Power Supply Architectures and Operating Voltages
Selecting the correct operating voltage is a critical step in designing reliable industrial automation systems. Whether you are working with a compact PLC or a large-scale DCS, your power architecture dictates the system's longevity. In this guide, we explore the standard voltage ranges and power distribution strategies required to maintain stable factory automation operations.