Yokogawa SB311 S1 ESB Bus Interface Master Module

Description

The Yokogawa SB311 S1 is an ESB Bus Interface Master Module used in CENTUM VP distributed control systems to establish communication between Field Control Stations (FCS) and the ESB bus network. It supports reliable data exchange within redundant control architectures and enables communication with multiple FCS units through standard Ethernet connections. The module also provides an Ethernet interface for transmitting Sequence of Events (SOE) data to an SOE server and an RS-422 interface for receiving IRIG-B time synchronization signals from an external master clock. Designed for continuous industrial operation, the SB311 S1 contributes to stable network communication, synchronized system operation, and high availability in process automation applications.

Parameter

Model: SB311 S1 ESB Bus Interface Master Module 
Event buffer: Holds up to 40,000 events every 10 seconds
System limitations: Maximum of 16 FCSs per SOE server
Rated Input Voltage: 5.0 VDC (Supplied via system baseplate)
Operating Humidity: 5% to 95% RH (Non-condensing)
Timestamp resolution: 1 millisecond (ms)
Operating Temperature: 0 to 50 ℃ (Standard industrial grade)
Temperature Change Rate: Within ± 10 ℃ / hour
SOE Transmission Rate: 10 Mbps / 100 Mbps Auto-Sensing

Frequently asked questions

Q:Why use dual-redundant configuration with SB311 S1?
A:Dual-redundancy in paired slots like IO1-2 ensures continuous operation even if one module fails.

Q:Does the SB311 S1 provide an Ethernet interface?
A:Yes. It includes an Ethernet interface for communication with Field Control Stations and for transmitting Sequence of Events (SOE) data to an SOE server.

Q:Which Yokogawa systems are compatible with the SB311 S1?
A:The module is designed for use in Yokogawa CENTUM distributed control systems that utilize the ESB communication architecture, including systems requiring communication between FCS units over the ESB bus.

Application areas

The Yokogawa SB311-S1 is a critical communication backbone module for the CENTUM VP DCS. Below are the detailed application fields:

• Nuclear Power Conventional Island & Auxiliary Systems: Deployed in non-nuclear safety-critical zones such as the turbine generator building, main feedwater pumps, and condenser cooling water loops.
• Long-Distance Pipelines & Valve Stations: For crude oil or natural gas transmission networks, the module handles remote data backhaul across compressor stations, pumping stations, and block valve stations.
• Blast Furnace & Coking Plant Control: Controls blast furnace temperature profiles, top-gas recovery units (TRT), and the automated reversal heating mechanisms of coke ovens.

Picture/ Video Request

It's like having the store come to you!  

Request for Video/Picture