Product Overview
The Yokogawa ARM55D-00 functions as a critical interface component within the CENTUM VP control architecture. It provides 32-point mechanical dry contact outputs ("a" contact / Normally Open) for driving field actuators and signal indicators. Designed as a 19-inch rack-mountable board, it supports both single and dual-redundant configurations, effectively bridging low-level controller logic with high-power field devices. This unit is supplied as 100% brand new, original factory equipment.
Part Number Breakdown
ARM55D – Base model for 32-channel dry contact output relay board
-0 – Standard functional specification
0 – Mechanical design for 19-inch rack mounting
Technical Specifications
| Parameter | Specification |
|---|---|
| Output Points | 32-point dry contacts |
| Field Connections | M4 screw terminals |
| Insulation Resistance | ≥ 10 MΩ at 500 V DC |
| Form Factor | 19-inch rack mountable |
| Dimensions | 18.4 cm × 48.2 cm × 13.2 cm |
| Weight | 2.2 kg |
| Redundancy Support | Compatible with dual-redundant I/O configurations |
Engineering Advantages
Simplified Field Wiring
M4 screw terminals provide secure and vibration-resistant connections, supporting heavy-gauge wiring without requiring specialized crimping tools.
Redundancy Integration
Supports dual-redundant cable inputs from I/O modules, ensuring uninterrupted operation in the event of a single path failure.
High Galvanic Isolation
Mechanical relay design isolates control electronics from field-side noise and voltage surges, protecting critical CPU and control modules.
Rack-Efficient Design
The standardized 19-inch form factor allows direct installation into industrial racks, optimizing cabinet space and simplifying system expansion.
FAQs
Does this board support "b" contact (Normally Closed) logic?
No, the ARM55D-00 supports only "a" contact (Normally Open) outputs. Verify field device requirements before installation.
Is this unit compatible with third-party I/O modules?
It is specifically designed for Yokogawa CENTUM VP and ProSafe-RS systems. Integration with third-party systems may require custom interface solutions.
What maintenance does the relay board require?
Mechanical relays have a limited switching lifecycle. Periodic continuity testing during scheduled shutdowns is recommended to detect contact wear early.
Can I mount this board vertically?
No, it is designed for horizontal installation in standard 19-inch racks to ensure proper heat dissipation and operational reliability.
| Quick Quotes | Receive price & availability FAST from our dedicated customer service team. |
|---|---|
| Delivery | Expedited, Freight, And International Shipping Available. |
| Condition | 100% New with Original Package |
| Payment | We accept American Express, Discover, MasterCard, PayPal, and Visa. Our site is secured by RapidSSL. |
| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
| Q: Is Our Pricing Competitive? |
| A: Yes, we collaborate with over 50 countries worldwide. As a top supplier in China, we offer significant discounts based on market trends. |
| Q: What Is the Warranty Period? |
| A: All our new and original products come with a standard one-year warranty. |
| Q: What Payment Methods Do We Accept? |
| A: We require 100% T/T (Telegraphic Transfer) payment before shipping. For items with a lead time, a 30% deposit is needed upfront, and the remaining 70% is due before shipping. If you have a representative in China, you can arrange an RMB transfer through them. |
| Q: What Shipping Methods Do We Use? |
| A: We primarily use FedEx, DHL, UPS, and BRE for shipping. If you have an account with any of these carriers, you can handle shipping directly. We also offer free shipping to China-based freight forwarders. |
| Q: What Is Our Delivery Time? |
| A: Delivery usually takes 1-3 days after receiving the initial payment. For items with a lead time, shipping will occur according to the specified schedule. |
| Q: How Do We Package the Goods? |
| A: We ensure safe packaging with multiple layers of protection. Products are first placed in their original boxes and sealed with labels. A layer of bubble wrap is then added for collision protection during transit. Finally, the items are packed securely in durable boxes. |
| Q: How Can Customers Contact Us and Request a Quote? |
| A: You can reach out to us via email, WhatsApp, WeChat, Skype, or your preferred communication platform. Contact us with your needs, and we'll provide a prompt, customized quote. |
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