Yokogawa SNB10D Safety Node Unit

The YOKOGAWA SNB10D Safety Node Unit integrates field devices like sensors and actuators into ProSafe-RS safety control systems. It provides an interface between these devices and the safety control unit. Designed for critical applications, it ensures operational safety and reliability in industries such as oil and gas, chemical processing, and power generation.

Power Supply

• Voltage Options:
  • 100 to 120 V AC, 50/60 Hz
  • 220 to 240 V AC, 50/60 Hz
  • 24 V DC
• Power Consumption:
  • 100 to 120 V AC: 200 VA
  • 220 to 240 V AC: 230 VA
  • 24 V DC: 5.5 A

Physical Dimensions

• Weight: Approximately 5.9 kg
• Mounting Method: Rack-mountable with four M5 screws. Insulation bushes (accessory) are provided for mounting.

Communication Interface

• ESB Bus Interface: Facilitates communication with the safety control unit via the Energy Saving Bus (ESB).

I/O Modules

• Accepts various input and output signals from field devices to integrate with safety control systems.

Safety Standards

• Safety Certified: Complies with relevant safety standards, such as IEC 61508, ensuring it meets the highest safety requirements for critical industrial applications.