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
Redundant Automation Systems: Ensuring Continuous Uptime in Critical Control Infrastructure
System reliability directly determines operational profitability across high stakes process industries. Modern industrial automation platforms must eliminate single points of failure to prevent catastrophic shutdowns. Deploying fault tolerant architecture safeguards complex facilities against unexpected hardware glitches, network disruptions, and maintenance outages.
Understanding Types of Noise in Electronic Circuits and Control Systems
Signal integrity directly determines measurement accuracy and loop stability across industrial automation environments. Electronic noise introduces unwanted stochastic interference into analog loops, sensor feedback lines, and digital fieldbus networks. Understanding how intrinsic electronic noise and external electromagnetic interference manifest allows control engineers to optimize signal conditioning and shield sensitive instrumentation effectively.
Why 24V DC Power Supplies Standardize Modern Industrial Automation
Industrial control cabinets worldwide rely on 24V DC as the universal power standard for field instrumentation, sensors, and controllers. Walk into any manufacturing plant, and you will find PLCs, human-machine interfaces (HMIs), and smart actuators running on extra-low voltage DC. Standardizing on 24V DC enhances operational safety, lowers cabinet footprint, and maintains steady control performance across factory networks.