Yokogawa SNB10D-215/CU2T Safety Node Unit (Rack Mountable Type)

FAQ

• Q1: What is the maximum number of SNB10D units that can be connected on a single ESB bus?
  A: Up to 13 units can be connected with an SEC402 ESB bus coupler, or up to 9 units with an SEC401 module.

• Q2: What type of power supply redundancy does the SNB10D-215/CU2T provide?
  A: The unit is equipped with dual-redundant power supply modules to ensure continuous operation in case of a module failure.

• Q3: What type of mounting is required for the SNB10D unit?
  A: The unit is rack mountable using four M5 screws with insulation bushes provided for secure installation.

• Q4: What environmental conditions can the SNB10D safely operate under?
  A: The unit operates within a temperature range of -20 to 70°C and conforms to ISA Standard G3.

• Q5: Which interface modules are used in the SNB10D for communication?
  A: Two ESB bus interface modules (SSB401) are included to facilitate reliable communication.

• Q6: What are the exact dimensions and weight of the SNB10D unit?
  A: The unit measures 482.6 × 221.5 × 205 mm and weighs 5.9 kg.

• Q7: Does the SNB10D support direct connection of I/O modules?
  A: Yes, it provides slots for power supply and I/O modules, following specific mounting restrictions.

• Q8: What is the purpose of the /CU2T option code?
  A: It provides a connector unit with a terminator for the ESB Bus to ensure proper signal integrity.

Safety Node Unit SNB10D-215 SNB10D-215/CU2T Yokogawa Yokogawa SNB10D

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