Product Introduction
The Yokogawa SSC50D Safety Control Unit is a duplex-configured processing unit designed for the Yokogawa ProSafe-RS platform. It provides a reliable hardware foundation for industrial process applications requiring high availability, stable communication, and dependable system integration.
Featuring a dual-configuration architecture, the SSC50D combines advanced processing capability, redundant communication interfaces, and flexible module expansion options. It is widely used in large-scale industrial facilities where continuous data processing, system coordination, and long-term equipment reliability are essential.
With support for Vnet/IP and ESB Bus communication interfaces, the SSC50D offers excellent compatibility with Yokogawa system components, helping users build efficient and scalable automation environments.
Technical Specifications
| Parameter | Specification |
|---|
| Manufacturer | Yokogawa |
| Model | SSC50D |
| Product Type | Safety Control Unit |
| Configuration | Duplex Configuration |
| System Platform | ProSafe-RS |
| Processor Type | MIPS R5000 Processor |
| Main Memory Capacity | 32 MB |
| Vnet/IP Interface | Dual-redundant |
| ESB Bus Interface | Dual-redundant |
| Vnet/IP Communication Speed | 100 Mbps Full Duplex |
| Network Connection | 100BASE-TX / RJ45 |
| ESB Bus Connection | Compatible with Yokogawa ESB Bus modules |
| Safety Node Unit Support | Up to 9 Safety Node Units |
| I/O Module Capacity | Up to 8 modules per unit |
| System Expansion Capacity | Up to 78 I/O modules per SCS |
| Power Supply Options | 100–120 V AC / 220–240 V AC / 24 V DC |
| Mounting Method | Rack Mounting |
| Cooling Method | Fan-assisted cooling option available |
| Dimensions (Approx.) | 482.6 × 440 × 265 mm |
| Approximate Weight | 8.5 kg |
Typical Industrial Applications
The Yokogawa SSC50D is suitable for industrial environments requiring stable processing and reliable system communication.
Common application areas include:
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Oil and gas production facilities
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Petrochemical plants
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Chemical processing industries
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Power generation facilities
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LNG facilities
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Water treatment plants
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Pharmaceutical manufacturing
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Industrial utility systems
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Large-scale process automation projects
Its modular architecture allows convenient integration into different industrial layouts while supporting future system expansion.
Key Features & Benefits
The SSC50D provides several advantages for modern industrial applications:
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Duplex hardware design for improved system availability
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High-performance MIPS R5000 processor architecture
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Dual communication interfaces for flexible system integration
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Supports Yokogawa Vnet/IP communication networks
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Compatible with ESB Bus expansion modules
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Supports multiple connected field modules
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Rack-mounted structure for efficient installation
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Designed for continuous industrial operation
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Easy maintenance and replacement process
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Suitable for modernization of existing Yokogawa installations
Technical FAQs
1. What is the Yokogawa SSC50D?
The SSC50D is a duplex Safety Control Unit designed for Yokogawa ProSafe-RS systems, providing processing capability and communication support within industrial automation architectures.
2. What processor is used in the SSC50D?
The module uses a MIPS R5000 processor with 32 MB main memory capacity.
3. What communication interfaces are available?
The SSC50D includes dual-redundant Vnet/IP and ESB Bus interfaces for communication with compatible Yokogawa modules.
4. How many Safety Node Units can be connected?
A single SSC50D can support up to nine compatible Safety Node Units.
5. How many I/O modules can be installed?
The unit supports up to eight I/O modules per control unit, with larger system configurations supporting additional modules.
6. What power supply options are available?
The SSC50D supports 100–120 V AC, 220–240 V AC, and 24 V DC power supply options depending on the selected configuration.
7. What type of mounting is used?
The SSC50D is designed for rack mounting within compatible Yokogawa system cabinets.
8. Is the SSC50D suitable for harsh industrial environments?
Yes. The unit is designed for industrial environments and supports optional configurations for higher temperature applications.
9. What are the dimensions and weight of the SSC50D?
The approximate weight is 8.5 kg for the standard duplex configuration. The rack-mounted assembly dimensions are approximately 482.6 × 440 × 265 mm.
10. Why choose the Yokogawa SSC50D?
The SSC50D combines reliable processing performance, flexible communication capability, modular expansion, and Yokogawa engineering quality, making it a strong choice for long-term industrial automation projects.
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