Yokogawa SNB10D-445/CU2T Safety Node Unit (Rack Mountable Type)

FAQ

• What is the maximum number of I/O modules that can be mounted on the SNB10D-445/CU2T?
  The maximum number of I/O modules depends on the module type and slot positions; detailed limitations are specified in the Node Unit Mounting Restrictions document.

• Can the SNB10D-445/CU2T operate in a 24 V DC-only system?
  Yes, the unit supports a 24 V DC power supply option with 5.5 A maximum consumption.

• What safety level is guaranteed by the SNB10D-445/CU2T?
  The unit is certified to SIL 3, ensuring high integrity for safety instrumented systems.

• What is the operating temperature range for the SNB10D-445/CU2T?
  It operates safely in temperatures from -20°C to 70°C.

• Is the SNB10D-445/CU2T compatible with ProSafe-RS systems?
  Yes, it is fully compatible and designed to interface with ProSafe-RS safety control units via ESB.

• What type of mounting hardware is required for rack installation?
  Four M5 screws with insulation bushes are required for secure rack mounting.

• How is the ESB bus interface implemented on this unit?
  The unit uses two ESB bus interface modules (SSB401) to handle communication and signal transmission.

• Are there any restrictions when configuring the power supply modules?
  The SNB10D-445/CU2T includes two power supply modules, and the configuration must follow specified slot assignments and limitations.

Safety Node Unit SNB10D-445 SNB10D-445/CU2T Yokogawa Yokogawa SNB10D

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