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
Mastering PLC Programming: Best Practices for Robust Industrial Automation
Writing clean PLC code requires discipline, especially regarding memory management. Avoid overusing SET and RESET instructions, as they often complicate debugging. If multiple rungs control the same bit, troubleshooting becomes a nightmare. Instead, focus on energizing a bit in only one location. If your logic requires complex conditions, use branches within a single rung. This approach keeps your code readable, maintainable, and significantly easier to audit during downtime.
PLC vs. HMI: Distinguishing the Brain from the Interface in Industrial Automation
In the realm of industrial automation, distinguishing between a Programmable Logic Controller (PLC) and a Human-Machine Interface (HMI) is fundamental. While both devices work in tandem, they serve distinct purposes. The PLC acts as the "brain" of the operation, executing logic, whereas the HMI serves as the "eyes," allowing operators to monitor and interact with the system. Understanding this synergy is essential for any professional designing robust factory automation solutions.
Selecting the Right Industrial Automation Solution for Modern Manufacturing
Choosing an effective industrial automation system starts with a thorough process audit. You must identify tasks that are repetitive, labor-intensive, or prone to human error. Not every process requires high-level automation; therefore, prioritize operations that directly impact throughput and quality. By scoping your needs accurately, you avoid over-investing in unnecessary technology. A balanced approach ensures that your capital expenditure aligns with measurable gains in operational efficiency.