The Yokogawa SNB10D-245/CU2T represents a critical infrastructure component for the ProSafe-RS safety instrumented system. Primarily, this safety node unit provides a secure housing and communication interface for I/O modules in demanding industrial settings. For instance, the hardware is rated for ISA Standard G3 corrosion resistance and operates between -20 to 70°C. Furthermore, this specific configuration includes a software license for node expansion, allowing for greater system scalability. Additionally, the unit features a dual-redundant 24 V DC power supply to ensure continuous operation during power faults. Specifically, the included CU2T connector unit with a terminator simplifies the integration into existing ESB bus architectures. Therefore, the SNB10D-245/CU2T is an ideal choice for high-reliability safety loops in the oil, gas, and chemical industries.
This SNB10D-245/CU2T is engineered to maintain high-speed communication while ensuring the integrity of safety-critical data. Specifically, the node connects to safety control units like the SSC60D or S2SC70D via the SEC402 ESB bus coupler. Meanwhile, the power consumption for this 24 V DC specification is rated at 5.5 A. Regarding network capacity, you can connect up to 13 safety node units when using the SEC402 module. Moreover, the CU2T option provides a terminator for the ESB bus, which is essential for signal stability in large networks. Specifically, the hardware supports asynchronous data transmission to prevent communication bottlenecks between the controller and the field. Consequently, the SNB10D-245/CU2T provides the necessary backbone for wide-scale safety module deployment.
The physical build of the SNB10D-245/CU2T emphasizes durability and ease of cabinet integration for long-term industrial use. For instance, the unit weighs approximately 5.9 kg and occupies a standard rack space using four M5 screws. Additionally, the installation kit includes insulation bushes to prevent electrical grounding issues between the node and the rack. Specifically, the extended temperature range of -20 to 70°C allows for installation in non-climate-controlled remote instrument enclosures. Meanwhile, the G3 conformal coating protects the internal circuitry from harsh atmospheric pollutants and corrosive gases. Furthermore, the dual-redundant power setup provides a layer of hardware safety that prevents localized node failure. Therefore, the SNB10D-245/CU2T remains a dependable component in hazardous and rugged environments.
Installing the SNB10D-245/CU2T requires careful mounting and bus termination to ensure proper system-wide safety communication. First, mount the node into a standard 19-inch rack using the provided M5 screws and insulation bushes. Specifically, ensure that the unit is securely fastened to withstand typical industrial vibration levels. Next, connect the 24 V DC power supply lines to both redundant power terminals for maximum availability. Furthermore, verify that the CU2T connector unit is properly seated and the ESB bus cables are shielded. Specifically, follow the station numbering guidelines to avoid address conflicts between the 13 possible connectable node units. Finally, perform a bus diagnostic test via the ProSafe-RS software to confirm the node is recognized by the controller. For additional parts, visit our Yokogawa ProSafe-RS collection.
1 x Yokogawa SNB10D-245/CU2T Safety Node Unit
4 x M5 Rack Mounting Screws
4 x Insulation Bushes (Accessories)
Shipping Method: Fedex, UPS, DHL
1. How many SNB10D-245/CU2T units can I connect to one controller? You can connect up to 13 units when using the SEC402 coupler or up to 9 units with the SEC401 module.
2. What does the "CU2T" option code signify? The CU2T code indicates the unit comes with a Connector Unit and a Terminator for the ESB Bus [Part: S9343FA].
3. Is this module suitable for corrosive environments? Yes, the SNB10D-245/CU2T is treated for ISA Standard G3, making it resistant to corrosive gases.
4. What is the power requirement for this specific model? This model (suffix code 4) requires a 24 V DC power supply with a consumption of 5.5 A.
5. What is the operating temperature range for the SNB10D-245/CU2T? This unit is designed to operate reliably in ambient temperatures ranging from -20 to 70 °C.
| Brand Name | Yokogawa Electric |
| Model No. | SNB10D-245/CU2T |
| Product Type | Safety Node Unit |
| hasMerchantReturnPolicy | Adjust according to reality |
| Shippingdetails | Adjust according to reality |
