The Yokogawa SB401-10 is an ESB Bus Interface Slave Module used in industrial automation systems. It enables reliable communication between field devices and the Field Control Unit (FCU) by supporting analog and contact I/O signals over the ESB bus. This module is commonly applied in industries such as oil and gas, petrochemical, power generation, and water treatment.

Technical Specifications

• Function: ESB bus interface for analog and contact I/O signals.
• Number of Connectable Nodes: Supports up to 9 units.
• Transmission Rate: 125 kbps.
• Power Supply: 24 VDC ±10%.
• Dimensions: 5.1 cm x 15.2 cm x 12.7 cm
• Weight: 3 kg.
• Model and Suffix Code:
  • Model: SB401
  • Suffix Code: -10 (Standard type, no explosion protection).
  • Description: Basic type, without explosion protection.