Product Description
The ARM55W-000 is a high-reliability relay interface board for Yokogawa Centum VP and Centum CS 3000 Distributed Control Systems (DCS). It serves as an isolation layer between sensitive I/O modules and high-power field equipment, allowing safe switching of both inductive and resistive loads. Manufactured in Japan, it provides a secure platform for interposing relays and shields the core system from electrical surges and field-side noise.
Technical Specifications
| Specification | Details |
|---|---|
| Model Identification | ARM55W-000 |
| Board Type | Multi-channel Relay Interface Terminal |
| Capacity | 16-channel configuration (digital output expansion) |
| Physical Dimensions | 15 cm (L) x 13 cm (W) x 5 cm (H) |
| Unit Mass | 3.6 kg |
| Connection Interface | Compatible with Yokogawa KS-series signal cables |
| Mounting | DIN-rail or rack-mount compatible |
| Isolation | High galvanic separation between logic circuits and field terminals |
| Contact Rating | Supports standard AC and DC switching voltages |
Operational Utility
The ARM55W-000 is vital for creating "Fail-Safe" control architectures. By using external relays, individual mechanical relays can be easily replaced without disturbing the I/O card or internal wiring. Its layout is designed for high-density wiring and features clear terminal labeling, which helps reduce commissioning errors in complex industrial environments.
Functional Comparison: ARM55W vs. ARM55D
The ARM55W-000 is versatile, designed for standard wiring configurations with screw-terminal blocks. The ARM55D variant may include specialized connector types or diode protection for DC inductive loads. The ARM55W-000 is the preferred option for general-purpose interposing relay applications.
FAQ
Q: Does the ARM55W-000 include the actual plug-in relays?
A: No, the ARM55W-000 is the base board. You need to order the specific relays separately, based on the required coil voltage and contact material.
Q: Is this board compatible with both Digital Input and Digital Output modules?
A: Yes, while it's primarily used for digital outputs to drive field actuators, it can also be used for isolated digital inputs where high-voltage signals need to be stepped down to dry contacts.
| 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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