Product Description
The Yokogawa CM1*A is a precision-engineered communication module designed for CENTUM VP and compatible Yokogawa control systems. It functions as a central integration hub, delivering reliable, continuous data exchange in demanding industrial environments. This module is engineered for robust operation, redundancy, and seamless interoperability with OPC, Modbus, and Ethernet networks.
Key Features and Capabilities
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Supports OPC standards for integration with supervisory control and SCADA systems
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Compatible with Modbus and Ethernet protocols for industrial network connectivity
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Provides data routing, message buffering, and procedure execution for system stability
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Redundancy mechanisms ensure uninterrupted communication in mission-critical applications
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Compact, rugged design suitable for control nests, cabinets, and continuous industrial operation
Technical Specifications
| Attribute | Details |
|---|---|
| Product Type | Communication Module |
| Model | CM1*A |
| Supported Systems | CENTUM VP, CENTUM CS 3000, and related Yokogawa platforms |
| Communication Protocols | OPC, Modbus RTU/TCP, Ethernet/IP |
| Functions | Data routing, buffering, redundancy, procedure execution |
| Operating Temperature | 0–55°C (standard industrial grade) |
| Storage Temperature | -20–70°C |
| Power Supply | 24 VDC typical |
| Redundancy Support | Hot standby, failover support |
| Dimensions | 120 mm × 80 mm × 35 mm |
| Weight | 0.45 kg |
Applications
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Centralized communication hub in CENTUM VP control systems
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Integration with supervisory SCADA, historian, or MES systems via OPC
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Multi-vendor network environments using Modbus and Ethernet protocols
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Redundant communication setups in process control systems
FAQ / Technical Notes
Q: Can CM1A integrate with non-Yokogawa systems?
A: Yes, the module supports OPC and Modbus, enabling seamless communication with third-party SCADA and control systems.
Q: What redundancy options are supported?
A: Hot standby and failover configurations are supported for continuous operation in critical applications.
Q: Are there similar models for comparison?
A: The CM1A series is complemented by CM2A modules, which offer enhanced protocol support and higher throughput for larger-scale installations.