Yokogawa SNB10D-425 Safety Node Unit (Rack Mountable Type)

FAQ

• What is the maximum number of SNB10D-425 units that can be connected to an ESB bus?
  Up to 13 units with an SEC402 ESB bus coupler module or up to 9 units with an SEC401 ESB bus coupler module.

• What types of signals can the SNB10D-425 Safety Node Unit process?
  It can process analog and contact input signals from field devices.

• What are the supported power supply options for the SNB10D-425?
  Supported power supplies include 100–120 V AC, 220–240 V AC, and 24 V DC.

• How is the SNB10D-425 mounted in a rack?
  It is mounted using four M5 screws with insulation bushes included.

• What safety integrity level (SIL) does this unit comply with?
  The SNB10D-425 complies with SIL 3 requirements.

• What is the weight and dimension of the SNB10D-425 unit?
  The unit measures 482.6 x 221.5 x 205 mm and weighs 5.9 kg.

• How is the ESB bus interface configured in the SNB10D-425?
  The interface includes two SSB401 ESB bus modules to communicate with the safety control system.

• Can the SNB10D-425 provide power to connected I/O modules?
  Yes, it includes a power supply module capable of powering two I/O modules.

Safety Node Unit SNB10D-425 Yokogawa Yokogawa SNB10D

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