Yokogawa SNB10D-413/CU2N/ATD0C Safety Node Unit

Description

Specification

The SNB10D-413/CU2N/ATDOC is a rack-mountable Safety Node Unit for the ProSafe-RS safety system, designed to interface critical field I/O signals with safety controllers via a dual-redundant ESB bus. Configured with dual-redundant 24V DC power, it includes dual ESB bus connectors and comes with an explosion protection manual for guidance in hazardous area applications. This unit must be installed in a keyed metallic cabinet, meets ISA G3 and extended temperature specifications, and is built to comply with stringent industrial safety and EMC standards.

Power Supply Voltage and Type: 4: 24 V DC power supply
Suffix Code (Protection & Environment): 3: ISA Standard G3 and temperature (-20 to 70 °C) with no explosion protection (Note: The provided suffix code "413" uses "3" which is not explicitly defined in the table for SNB10D. Standard defined codes are 5 and E. For accurate specification, please verify with the latest official documentation. The description here assumes "3" might be an alternate or older code for a specific ISA G3/no explosion protection variant.)
Option Code 1: /CU2N: Connector Unit for ESB Bus (Part number: S9342FA, quantity: 2 pieces)
Option Code 2: /ATDOC: Explosion Protection Manual
Other Option Codes Available: /CLI2T: Connector Unit with Terminator for ESB Bus
Connectable to Safety Control Units via: ESB Bus, requires ESB Bus Coupler Module (SEC401 or SEC402)
Maximum Units per Safety Control Unit: Up to 13 with SEC402; Up to 9 with SEC401
Module Configuration: Power supply modules: 2 modules for dual-redundant configuration; ESB Bus Interface Module (SSB401): 2 modules; I/O Modules: Mountable in available slots (subject to restrictions)
Power Consumption (24V DC): 5.5 A