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Product Description
The Yokogawa CP701-S1 is a Field Control CPU Module designed for the CENTUM CS 1000 distributed control system, ideal for small- to medium-scale industrial plants. Engineered for high reliability, compactness, and easy maintenance, the CP701-S1 ensures seamless integration with the CENTUM CS architecture while offering globally standardized compliance for critical process control systems.
It incorporates a high-speed R4300 microprocessor with embedded caches and DRAM for optimal performance. The CPU communicates with I/O modules through internal buses, ensuring efficient data flow and real-time control. Equipped with flash memory for the boot program and ECC memory for enhanced reliability, the CP701-S1 also features redundancy support through a synchronous hot standby system, safeguarding uninterrupted operation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | CP701-S1 |
| System Compatibility | CENTUM CS 1000 |
| Processor | R4300 (75 MHz internal, 25 MHz external) |
| Cache | 16 KB instruction, 8 KB data |
| DRAM | 8 MB with ECC (basic system) |
| Flash Memory | Boot program storage |
| Redundancy | Synchronous hot standby support |
| Communication Bus | VLnet (10 Mbps, Token Passing) |
| I/O Module Interface | Shared RAM access via H8S microcomputer |
| Maintenance Interface | H8S microcontroller with dedicated port |
| Power Supply | +5 V DC regulated internally |
| Input Power Options | 100–120 V AC / 220–240 V AC / 24 V DC |
| Mounting | 19-inch rack compatible |
| Dimensions (W x H x D) | 190 x 120 x 32.8 mm |
| Weight | 0.3 kg |
| Environmental Compliance | EN55011, EN50082-2, EN61010-1, CSA-C22.2 |
| EMC Compliance | EN61000-3-2, EN61000-4-5, EN61000-4-11 |
Applications
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Process Industries: Oil & gas, petrochemical, pharmaceutical, food and beverage, and power generation.
-
Batch and Continuous Processing: For precise control and synchronization of processes.
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Utility Systems: Monitoring and controlling steam, water, and gas systems in plants.
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Manufacturing Automation: Discrete control and integration with MES/ERP layers.
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Redundant System Requirements: Ideal for applications requiring zero-downtime failover capabilities.
Product Advantages
-
Seamless CENTUM CS Compatibility
Shares architecture with the high-end CENTUM CS system, allowing for scalable and unified control architecture across all plant sizes. -
High-Speed Processing
Incorporates R4300 processor and ECC DRAM to ensure fast, reliable data processing under demanding conditions. -
Enhanced Redundancy
Hot standby dual-CPU support ensures uninterrupted operation during component failure. -
Compact and Fanless Design
Space-saving footprint and no moving parts enhance reliability and reduce maintenance costs. -
Global Standards Compliance
Meets key international safety and EMC standards, ensuring acceptance across global markets. -
Easy Maintenance and Hot-Swappability
All modules except the backboard are front-accessible and hot-swappable, simplifying replacements and minimizing downtime. -
Eco-Conscious Design
Materials and power consumption optimized for reduced environmental impact with up to 35% lower CO₂ emissions over the lifecycle.
Frequently Asked Questions (FAQ)
Q1: What is the primary function of the CP701-S1?
A1: The CP701-S1 serves as the central processing unit for the CENTUM CS 1000 Field Control Station, managing control logic, communication, and I/O module coordination.
Q2: What makes the CP701-S1 suitable for critical applications?
A2: Its high reliability, ECC memory, and support for hot standby redundancy make it ideal for applications where failure is not an option.
Q3: Can the CP701-S1 be used in systems with different power supplies?
A3: Yes, it supports 100–120 V AC, 220–240 V AC, and 24 V DC input through different models.
Q4: Is the module compatible with older CENTUM CS systems?
A4: Yes, it is fully compatible with CENTUM CS architecture, making it ideal for system upgrades or expansions.
Q5: Does it support remote I/O modules?
A5: The CP701-S1 interfaces with I/O module nests via internal buses and does not use a separate remote I/O bus, reducing complexity.
Q6: What kind of memory is used in the CP701-S1?
A6: It uses DRAM with ECC for main memory and flash memory for boot programs, ensuring data integrity and upgradability.
Q7: Is cooling required for this CPU module?
A7: No, it is designed to operate without cooling fans, which reduces maintenance needs and increases system reliability.
Q8: How does redundancy work in the CP701-S1?
A8: Two CPUs run synchronously in hot standby mode. The backup CPU takes over seamlessly in case of failure.
Q9: Can I upgrade from CP701 to CP703 easily?
A9: Yes, both are form-factor compatible, and upgrading is mainly dependent on memory needs and software support.
Q10: What certifications does the CP701-S1 have?
A10: It complies with EN55011, EN50082-2, EN61010-1, CSA-C22.2, EN61000-3-2, EN61000-4-5, and EN61000-4-11 standards.
Related Models (Same Series/Category)
| Model | Description | Memory | Redundancy Support | Dimensions (mm) | Weight |
|---|---|---|---|---|---|
| CP703-S1 | Enhanced Field Control CPU (16 MB DRAM) | 16 MB | Yes | 190 x 120 x 32.8 | 0.3 kg |
| PW401 | Power Supply Module | N/A | Yes | 180 x 100 x 30 | 0.25 kg |
| PW402 | Power Supply Module | N/A | Yes | 180 x 100 x 30 | 0.25 kg |
| AMN51 | General-purpose Communication Module Nest | N/A | No | 220 x 120 x 35 | 0.4 kg |
| AAM10 | Analog Input Module for Specialized Apps | N/A | No | 130 x 100 x 30 | 0.2 kg |
| AAM50 | Analog Output Module for Specialized Apps | N/A | No | 130 x 100 x 30 | 0.2 kg |
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