Excellent PLC
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Introduction
The Yokogawa SNB10D-415/CU2T Safety Node Unit is a rack-mountable safety node designed for integration into the ProSafe-RS Safety Instrumented System (SIS). It functions as the interface between field devices and the safety control units, transmitting analog and contact signals via the Enhanced Safety Bus (ESB) and providing redundant power to I/O modules. Its modular design ensures reliable system performance, easy maintenance, and seamless integration.
Product Specifications
| Parameter | Specification |
|---|---|
| Model | SNB10D-415/CU2T |
| Power Supply | 100–120 V AC, 50/60 Hz 220–240 V AC, 50/60 Hz 24 V DC |
| Power Consumption | 100–120 V AC: 200 VA 220–240 V AC: 230 VA 24 V DC: 5.5 A |
| Weight | 5.9 kg |
| Dimensions (W × H × D) | 482.6 × 221.5 × 205 mm |
| Mounting | 19-inch rack, four M5 screws, insulation bushes included |
| Environmental Standard | ISA Standard G3 |
| Operating Temperature | -20 to 70°C |
| Redundancy | Dual-redundant power supply modules |
| ESB Interface | Supports two SSB401 modules |
| Connector Unit | CU2T (with terminator) |
| I/O Module Support | Compatible with a range of ProSafe-RS I/O modules |
| System Integration | Compatible with S2SC70S, S2SC70D, SSC60S, SSC60D via ESB |
Applications
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Safety monitoring and control in process automation systems.
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Interface for analog and digital signals from field devices to safety controllers.
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Critical systems requiring redundant power and fault-tolerant communication.
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Chemical, petrochemical, oil and gas, and power generation industries.
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Integration into modular SIS configurations for flexible expansion.
Advantages
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Rack-mountable with compact dimensions for efficient space utilization.
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Redundant power supply ensures continuous operation in critical systems.
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Modular design allows easy replacement and maintenance of ESB and I/O modules.
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High environmental tolerance (-20 to 70°C) for diverse industrial conditions.
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Seamless integration with ProSafe-RS safety controllers enhances system reliability.
Frequently Asked Questions (FAQ)
1. What is the primary function of SNB10D-415/CU2T?
It acts as a safety node, transmitting signals between field devices and the ProSafe-RS safety control unit.
2. Can this unit operate with both AC and DC power supplies?
Yes, it supports 100–120 V AC, 220–240 V AC, and 24 V DC.
3. What type of ESB modules are supported?
Two SSB401 modules are supported for communication with safety controllers.
4. Is the unit rack-mountable?
Yes, it is designed for 19-inch rack installation.
5. Does it support redundant power supply?
Yes, it includes dual-redundant power supply modules for high reliability.
6. What is the maximum operating temperature?
It can operate up to 70°C.
7. Are connector units included?
Yes, it comes with CU2T, including the terminator.
8. Which I/O modules are compatible?
It supports various ProSafe-RS I/O modules depending on system configuration.
9. What industries is this unit suitable for?
It is ideal for chemical, petrochemical, oil & gas, power generation, and other critical safety applications.
10. What is the unit’s weight and dimensions?
Weight is 5.9 kg, and dimensions are 482.6 × 221.5 × 205 mm.
Related or Similar Models
| Model | Key Parameters |
|---|---|
| SNB10D-243/CU2T | 100–120 V AC, dual-redundant, ESB interface, CU2T connector |
| SNB10D-245/CU2T | Updated replacement for 243/CU2T, improved internal modules |
| SNB10D-415/CU2N | Same as 415/CU2T but without terminator |
| SNB10D-425/CU2T | Dual-redundant, expanded ESB module support |
| SNB10D-433/CU2T | Enhanced signal routing and monitoring features |
| SNB10D-450/CU2T | Advanced redundancy, high-capacity ESB interface |
Popular Yokogawa Safety Products
| Model | Key Parameters |
|---|---|
| S2SC70S | Safety controller, single channel, redundant communication |
| S2SC70D | Dual-channel safety controller, supports multiple ESB nodes |
| SSC60S | Compact safety controller for small to medium installations |
| SSC60D | Dual-channel compact controller with redundant features |
| SSB401 | ESB interface module for ProSafe-RS integration |
| SEC402 | ESB coupler module supporting up to 13 units |
