YOKOGAWA SEC401-11 ESB Bus Coupler Module In Stock

Overview

The Yokogawa SEC401-11 is an ESB Bus Coupler Module for safety instrumented systems (SIS). It connects a safety control unit (SCU) to safety node units (SNUs) via an ESB bus cable. This module establishes a reliable communication network within the SIS.

Key Features and Specifications

• Function: ESB bus master interface function
• Connectable Units: Supports up to 9 SNUs (SNB10D and SNT4□□)
• Transmission Speed: 128 Mbps for I/O module data
• Transmission Distance: Maximum of 10 meters
• Current Consumption: 0.5 A
• Weight: 0.24 kg
• Mounting: Seventh and eighth slots of the SCU (S2SC70□, SSC60□, or SSC50□)
• Standards Compliance: ProSafe-RS
• Explosion Protection: Available with an explosion protection option

Additional Details

The SEC401-11 plays a crucial role in building redundant, highly available safety instrumented systems. It ensures reliable communication between the SCU and SNUs. This module executes safety functions promptly and accurately. Its design meets the stringent requirements of safety-critical applications.

Applications

You can commonly find the SEC401-11 in industries where safety is paramount, including:

• Oil and gas
• Chemical processing
• Power generation
• Water and wastewater treatment
• Mining

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