Excellent PLC
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Yokogawa SNB10D-415/CU2N Safety Node Unit
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- FAQs
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Product Overview
The Yokogawa SNB10D-415/CU2N is a rack-mounted Safety Node Unit designed for the ProSafe-RS Safety Instrumented System (SIS). It functions as an interface between field I/O signals and the safety control unit, transmitting analog and contact signals while supplying power to connected I/O modules. Its dual-redundant architecture ensures reliable operation and meets SIL 3 safety requirements.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | SNB10D-415/CU2N |
| Power Supply | Dual-redundant, 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 |
| I/O Module Capacity | Up to 8 I/O modules |
| ESB Bus Interface | Dual-redundant SSB401 modules |
| Safety Integrity Level (SIL) | SIL 3 |
| Environmental Rating | ISA Standard G3, -20°C to 70°C |
| Mounting | 19-inch rack, 4 M5 screws |
| Dimensions (W x H x D) | 482.6 x 221.5 x 205 mm |
| Weight | 5.9 kg |
| Connector Unit | CU2N for ESB Bus |
Applications
-
Interface module for field I/O in safety-critical processes
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Integration into ProSafe-RS SIS for chemical, oil & gas, and power industries
-
SIL 3 compliant safety signal processing
-
Dual-redundant architecture for continuous plant operation
Advantages
-
High Reliability: Dual-redundant power supply and ESB interface
-
SIL 3 Compliance: Meets stringent safety standards for critical processes
-
Flexible I/O Integration: Supports up to 8 I/O modules
-
Compact Design: 19-inch rack mounting for easy installation
-
Wide Operating Range: -20°C to 70°C, suitable for harsh industrial environments
-
Efficient Power Use: Optimized AC/DC consumption
Frequently Asked Questions
1. What is the primary function of the SNB10D-415/CU2N?
It acts as a safety node unit, interfacing between field I/O and the safety control system while providing power to I/O modules.
2. Which safety integrity level does it meet?
It meets SIL 3 standards.
3. How many I/O modules can it support?
It can support up to 8 I/O modules.
4. What types of power supply are compatible?
100–120 V AC, 220–240 V AC, and 24 V DC dual-redundant configurations.
5. What is the operating temperature range?
-20°C to 70°C.
6. How is the unit mounted?
It is designed for 19-inch rack mounting using 4 M5 screws.
7. What communication interface does it use?
Dual-redundant ESB Bus interface with SSB401 modules.
8. What is the weight and size of the unit?
482.6 x 221.5 x 205 mm; 5.9 kg.
9. Can it operate continuously in harsh environments?
Yes, it is rated for industrial use with wide temperature tolerance.
10. Does it include a connector unit for ESB Bus?
Yes, the CU2N connector unit is included.
Related Models (Same Series)
| Model | Description | Dimensions (mm) | Weight (kg) | SIL |
|---|---|---|---|---|
| SNB10D-410/CU2N | Safety Node Unit, AC powered | 482.6 x 221.5 x 205 | 5.8 | 3 |
| SNB10D-420/CU2N | Safety Node Unit, DC powered | 482.6 x 221.5 x 205 | 5.7 | 3 |
| SNB10D-415/CU2 | Node Unit without ESB connector | 482.6 x 221.5 x 205 | 5.9 | 3 |
| SNB10D-425/CU2N | High-capacity I/O node | 482.6 x 221.5 x 205 | 6.0 | 3 |
| SNB10D-430/CU2N | Extended temp range | 482.6 x 221.5 x 205 | 6.1 | 3 |
| SNB10D-440/CU2N | Redundant I/O node | 482.6 x 221.5 x 205 | 6.2 | 3 |
Popular Yokogawa Models
| Model | Function | Dimensions (mm) | Weight (kg) | SIL |
|---|---|---|---|---|
| ANB10D-410 | Safety I/O Node | 482.6 x 221.5 x 205 | 5.8 | 3 |
| SNB20D-415/CU2N | Advanced Safety Node | 482.6 x 221.5 x 205 | 6.0 | 3 |
| FIO10D-410 | Field I/O Module | 482.6 x 221.5 x 205 | 5.5 | 3 |
| SSB401 | ESB Bus Interface | 200 x 100 x 50 | 1.2 | 3 |
| SPW481 | AC Power Supply Module | 180 x 100 x 75 | 1.8 | 3 |
| CU2N | Connector Unit | 100 x 80 x 50 | 0.5 | 3 |
Frequently Asked Questions
1. What is the primary function of the SNB10D-415/CU2N?
It acts as a safety node unit, interfacing between field I/O and the safety control system while providing power to I/O modules.
2. Which safety integrity level does it meet?
It meets SIL 3 standards.
3. How many I/O modules can it support?
It can support up to 8 I/O modules.
4. What types of power supply are compatible?
100–120 V AC, 220–240 V AC, and 24 V DC dual-redundant configurations.
5. What is the operating temperature range?
-20°C to 70°C.
6. How is the unit mounted?
It is designed for 19-inch rack mounting using 4 M5 screws.
7. What communication interface does it use?
Dual-redundant ESB Bus interface with SSB401 modules.
8. What is the weight and size of the unit?
482.6 x 221.5 x 205 mm; 5.9 kg.
9. Can it operate continuously in harsh environments?
Yes, it is rated for industrial use with wide temperature tolerance.
10. Does it include a connector unit for ESB Bus?
Yes, the CU2N connector unit is included.
Related Models (Same Series)
| Model | Description | Dimensions (mm) | Weight (kg) | SIL |
|---|---|---|---|---|
| SNB10D-410/CU2N | Safety Node Unit, AC powered | 482.6 x 221.5 x 205 | 5.8 | 3 |
| SNB10D-420/CU2N | Safety Node Unit, DC powered | 482.6 x 221.5 x 205 | 5.7 | 3 |
| SNB10D-415/CU2 | Node Unit without ESB connector | 482.6 x 221.5 x 205 | 5.9 | 3 |
| SNB10D-425/CU2N | High-capacity I/O node | 482.6 x 221.5 x 205 | 6.0 | 3 |
| SNB10D-430/CU2N | Extended temp range | 482.6 x 221.5 x 205 | 6.1 | 3 |
| SNB10D-440/CU2N | Redundant I/O node | 482.6 x 221.5 x 205 | 6.2 | 3 |
Popular Yokogawa Models
| Model | Function | Dimensions (mm) | Weight (kg) | SIL |
|---|---|---|---|---|
| ANB10D-410 | Safety I/O Node | 482.6 x 221.5 x 205 | 5.8 | 3 |
| SNB20D-415/CU2N | Advanced Safety Node | 482.6 x 221.5 x 205 | 6.0 | 3 |
| FIO10D-410 | Field I/O Module | 482.6 x 221.5 x 205 | 5.5 | 3 |
| SSB401 | ESB Bus Interface | 200 x 100 x 50 | 1.2 | 3 |
| SPW481 | AC Power Supply Module | 180 x 100 x 75 | 1.8 | 3 |
| CU2N | Connector Unit | 100 x 80 x 50 | 0.5 | 3 |
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Excellent PLC Co., Ltd. has a large number of brand new and original PLC and DCS spare parts, with more than 60 cooperative countries. All products are guaranteed for 1 year and delivered to you by high-quality express. We are committed to using the best products and the most favorable prices to meet the needs and friendship of our customers. We have won the trust of thousands of customers, including these excellent customers.
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