Yokogawa DX11*A Duplex Control Card

Technical Specifications

Device Type: Duplex control card

Model: DX11-A

Operating Voltage: 24V DC

Data Rate: 10 Mbps

Indicators: RDY (Ready) and COPY LEDs for status tracking

Connections: Multi-pin connector interface (CN1)

Application: Legacy Yokogawa industrial automation and control hardware platforms

DX11*A FAQ

Q1. How does the YOKOGAWA DX11*A enhance redundancy management within a CENTUM XL distributed control architecture?
A: The YOKOGAWA DX11*A is engineered as a duplex control card that supports redundant processor operation, enabling automatic switchover between paired control units to improve system availability and minimize process interruptions.

Q2. Why is the YOKOGAWA DX11*A regarded as a critical control interface for mission-critical process automation systems?
A: The YOKOGAWA DX11*A is designed to maintain synchronized control between duplex processors, providing dependable communication and fault-tolerant operation that are essential for continuous industrial processes.

Q3. What installation prerequisites should be evaluated before integrating the YOKOGAWA DX11*A into an existing CENTUM XL control system?
A: Before deploying the YOKOGAWA DX11*A, engineers should verify chassis compatibility, firmware alignment, duplex controller configuration, power supply integrity, and proper system initialization to ensure reliable operation within the control network.

Q4. Which operational characteristics distinguish the YOKOGAWA DX11*A from conventional single-controller interface modules?
A: Unlike standard controller interface cards, the YOKOGAWA DX11*A supports duplex control functionality with synchronized processor coordination, enabling higher system resilience, seamless failover capability, and enhanced operational continuity.

Q5. In what industrial environments does the YOKOGAWA DX11*A provide the greatest long-term engineering value?
A: The YOKOGAWA DX11*A is particularly well suited for high-availability applications such as oil and gas, petrochemical, power generation, and large-scale process manufacturing, where uninterrupted control, redundancy, and dependable system performance are fundamental operational requirements.

CENTUM-XL SYSTEM- AFV30

STANDARD SPECIFICATIONS

l Memory Protection During Power Failure

Battery

Battery Back-up for Main Memory: Max. 72 hours

Battery Recharge Time: Min. 48 hours

l READY Contact Output

2 terminals (NC, C)

Contact Points open during FCU failure

Contact Rating: 30 V DC, max. 0.3 A

l Communication Interface

Vnet/IP Interface: Dual-redundant

l HKU Interface (Option)

When option code /HKU is specified, a FCU fault contact is output from the HKU. Also, the environmental conditions of the cabinet connected via the HK bus and optical ESB bus can be monitored and the operating status of the HKU can be displayed on the HIS. System alarms can also be displayed.

l No. of Node Units Connectable

Max. 13/FCU

The total number of ESB Bus Node Units (ANB10£) and Optical ESB Bus Node Units (ANB11£) that can be connected to FCU are 13 or less.

For more Information please contact us！

About us

l Amikon sells automation equipment around the world. 

l With a strong focus on older, obsolete, Automation parts, we pride ourselves in providing high quality parts and services to our customers. 

l Our goal is to provide a seamless purchasing experience that trumps the competition. 

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Contact: Miya zheng  Email:sales@amikon.cn  Phone/WhatsApp:86-18020776792

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