YOKOGAWA SNT511-13 Optical ESB Bus Repeater Slave Module

Overview

The YOKOGAWA SNT511-13 is a key component in Yokogawa’s safety control systems. It serves as an optical repeater for the ESB Bus, extending the communication distance and ensuring reliable, high-speed data transmission between safety devices and controllers. This module plays a crucial role in enhancing the safety and functionality of process control and emergency shutdown systems.

Technical Specifications

Transmission Distance:
- Extends the ESB Bus by up to 2 km.
- For multi-stage connections, the total distance can range from 5 km to 50 km.
Data Rate:
- Supports high-speed data transmission to ensure real-time communication.
Current Consumption:
- 0.5 A for optimal performance.
Power Supply:
- Requires an external power supply for operation.
Weight:
- Approximately 0.3 kg, making it lightweight and easy to install.
Optical Attenuation:
- Optical power is attenuated by 3-4 dB between SNT411, SNT511, and S2EN501 modules.
- If fiber attenuation is less than 3 dB, an attenuator should be used to achieve proper signal levels.
Environmental Conditions:
- Designed to operate in a wide range of temperatures and humidity levels, suitable for harsh industrial environments.

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