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Yokogawa SNB10D-213/CU2N Safety Node Unit
The Yokogawa SNB10D-213/CU2N is a high-reliability safety node unit designed for integration into the ProSafe-RS safety system. It ensures secure and efficient communication between field devices and safety controllers via the Enhanced Safety Bus (ESB), supporting SIL 3 compliance.
🔧 Product Specifications
| Parameter | Specification |
|---|---|
| Model | SNB10D-213/CU2N |
| Power Supply | 100–120 V AC, 220–240 V AC, 24 V DC |
| Power Consumption | 100–120 V AC: 200 VA 220–240 V AC: 230 VA 24 V DC: 5.5 A |
| Mounting | 19-inch rack, 4 × M5 screws |
| Dimensions (W × H × D) | 482.6 × 221.5 × 205 mm |
| Weight | 5.9 kg |
| Connector Unit | CU2N – ESB Bus Connector |
| Redundancy | Dual-redundant power supply |
| Compliance | SIL 3, International Safety & EMC Standards |
🔄 Applications
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Integration in safety-critical processes in oil & gas, chemical, and power industries
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Real-time connection of field devices to ProSafe-RS safety controllers
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Process shutdown and emergency interlock systems
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Redundant safety configurations for high-availability systems
🌟 Advantages
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SIL 3 certified for high safety integrity
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Dual-redundant power supply ensures continuous operation
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Rack-mountable design allows easy installation and maintenance
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Compatible with existing ProSafe-RS systems, ensuring long-term reliability
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Supports multiple power supply options to adapt to varied plant environments
❓ FAQ
1. What is the function of the SNB10D-213/CU2N?
It connects field devices to the ProSafe-RS safety controller through the ESB, ensuring safe signal communication.
2. What safety integrity level does this unit support?
It supports SIL 3 compliance for safety-critical applications.
3. Can the unit operate on DC power?
Yes, it can operate on 24 V DC with a power consumption of 5.5 A.
4. How is the unit mounted?
It is designed for 19-inch rack mounting using four M5 screws.
5. What redundancy features does the unit offer?
It has a dual-redundant power supply to maintain continuous operation.
6. What industries typically use this unit?
Oil & gas, chemical processing, power generation, and any industry requiring SIL 3 safety control.
7. What is the operating environment for the unit?
It meets international safety and EMC standards for industrial environments.
8. Is it compatible with other ProSafe-RS modules?
Yes, it is fully compatible with ProSafe-RS safety control modules.
9. What is the weight and size of the unit?
Weight is 5.9 kg; dimensions are 482.6 × 221.5 × 205 mm.
10. Can it handle emergency shutdown scenarios?
Yes, it supports real-time process shutdown and interlock functions.
🔗 Related Models (Same Series / Related)
| Model | Key Specification |
|---|---|
| SNB10D-215/CU2N | Enhanced version, SIL 3, ESB compatible |
| SNB10D-213/CU2T | Terminal connector type, SIL 3 |
| SNB10D-215/CU2T | Terminal connector with redundancy |
| SNB10D-211/CU2N | Standard safety node, SIL 3 |
| SNB10D-211/CU2T | Terminal type for smaller setups |
| SNB10D-216/CU2N | High-capacity ESB bus interface |
⭐ Popular Yokogawa Models
| Model | Key Specification |
|---|---|
| STB10D-10 | Safety Trunk Unit, SIL 3 |
| SSB10D-11 | Safety Signal Processor, SIL 2 |
| SNB10D-217/CU2N | Latest safety node, SIL 3 |
| F3RP61 | Real-time controller, high reliability |
| CENTUM VP R6 | Distributed control system |
| STB10D-20 | Safety trunk unit, redundant power |
