Product Overview
The Yokogawa CM1A series (including models such as the CM11A and CM12A) functions as a dedicated Communication Module within the CENTUM VP Field Integrated Operation (FIO) system. It enables high-speed data exchange between the Field Control Station (FCS) and external subsystems such as PLCs, intelligent electronic devices (IEDs), and analyzers. By supporting seamless integration across plant-wide networks, the CM1A series enhances both vertical and horizontal system connectivity. We supply this unit as 100% brand new, original factory hardware to ensure reliable communication performance and long-term operational stability in distributed control environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Series | CM1*A |
| Module Type | Communication Interface Module |
| Interface Ports | RS-232C / RS-422 / RS-485 (model dependent) |
| Transmission Speed | Up to 115.2 kbps (serial); higher for Ethernet variants |
| Isolation | Built-in galvanic isolation |
| Power Consumption | 0.5 A at 5 V DC (internal bus power) |
| Weight | 0.3 kg |
| Mounting | Standard FIO module nest |
| Condition | 100% Brand New Original |
Engineering Advantages
Subsystem Integration Flexibility
The CM1*A series enables direct communication between the CENTUM VP system and third-party devices such as PLCs, analyzers, and power monitoring systems, reducing the need for external protocol converters or gateways.
Robust Electrical Isolation
Built-in galvanic isolation protects the system from field-side electrical noise, surges, and grounding issues, improving overall communication stability and system reliability.
High-Speed, Low-Latency Communication
The module is designed to prioritize real-time data exchange, ensuring timely transmission of critical process variables across connected subsystems for coordinated control.
Multi-Protocol Compatibility
Depending on the model variant, the CM1*A supports common industrial protocols such as Modbus RTU and other serial-based communications, allowing integration with a wide range of legacy and modern equipment.
FAQs
What is the difference between CM11A and CM12A?
The difference lies mainly in the physical interface: CM11A typically supports RS-232C, while CM12A supports RS-422/RS-485. Selection depends on your field device communication requirements.
Does the CM1*A series support redundancy?
Yes, it supports dual-redundant configurations within an FIO nest. If the primary module fails, the standby module takes over communication without interrupting system operation.
How are communication parameters configured?
Parameters such as baud rate, parity, and station address are configured via Yokogawa Engineering Station software and automatically applied during system initialization.
Can the module be hot-swapped?
Yes, CM1*A modules support hot-swapping in redundant configurations, allowing replacement without disrupting active communication.
| 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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