Overview
The Yokogawa SNT521-53 S1 Optical ESB Bus Repeater Slave Module extends communication distance in the ProSafe-RS Safety System by converting ESB bus signals into optical signals. Its rugged design supports redundant network architectures and ensures dependable performance in harsh industrial environments.
Technical Specifications
| Specification | Value |
|---|---|
| Model | SNT521-53 S1 |
| Manufacturer | Yokogawa |
| Application | ProSafe-RS Safety System, Optical ESB Bus Repeater |
| Operating Temperature | -20°C to 70°C |
| Storage Temperature | -40°C to 85°C |
| Humidity | 5–95% RH, non-condensing |
| Power Supply | AC 100–120 V ±10%, 220–240 V ±10% / DC 24 V ±20% |
| Frequency | 50/60 Hz ±3 Hz |
| Momentary Power Failure | Tolerates interruptions up to 20 ms |
| Distortion Factor | Maximum 10% |
| Vibration (Continuous) | 1.75 mm amplitude, 4.9 m/s² up to 150 Hz |
| Vibration (Non-continuous) | 3.5 mm amplitude, 9.8 m/s² up to 150 Hz |
| Seismic Resistance | 4.9 m/s² |
| Noise Resistance | 10 V/m from 80 MHz to 1 GHz |
| Static Electricity | 4 kV direct discharge, 8 kV aerial discharge |
| Altitude | Up to 2000 m (extendable to 3000 m with configuration) |
| Dust Resistance | Max 0.3 mg/m³, ANSI/ISA S71.04 G3 compliance |
Key Features
- Converts ESB bus signals to optical signals for long-distance communication.
- Maintains stability across wide temperature and humidity ranges.
- Supports redundant architectures in the ProSafe-RS Safety System.
- Withstands industrial vibrations, shocks, and seismic activity.
- Ensures reliable power quality with strict distortion tolerance.
- Provides resistance to static discharge and electromagnetic interference.
Installation Guidelines
The SNT521-53 S1 requires installation in controlled environments with minimal dust and no corrosive gases. Proper grounding and insulation help achieve maximum reliability. The module complies with ANSI/ISA S71.04 G3 standards, making it suitable for high-demand safety and control applications.
Details
| Weight | 0.3 kg |
|---|
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