Product Description
The Yokogawa SNT501-53 is an Optical ESB Bus Repeater Slave Module, designed for optical signal transmission within the ESB Bus system. It connects via fiber-optic cable from an Optical ESB Bus Repeater Master Module or an N-ESB Bus Module and interfaces with the SSB401 ESB Bus Interface Module on a safety node unit (SNB10D).
Model Overview
- Model: SNT501 – Optical ESB Bus Repeater Slave Module
-
Suffix Codes:
- -5: No explosion protection
- 3: ISA Standard G3 & extended temperature range (-20°C to 70°C) (Maintenance use only)
Standard Specifications
Functionality
- Purpose: Optical transport function for ESB Bus
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Connection Method:
- Star-type connection
- Chain-type connection
- Supports both connection types
Transmission & Performance
- Number of Stages: Maximum 2
-
Transmission Distance:
- Max 5 km (for two stages combined)
- Max 10 km (for Vnet/IP system R1.03 or later)
- Current Consumption: 0.5 A
- Weight: Approx. 0.3 kg
Master-Slave Pairing
To ensure compatibility, the suffix codes of the Master Module and Slave Module must match.
| Master Side | Slave Side |
|---|---|
| SNT401-3 | SNT501-3 |
The Yokogawa SNT501-53 is a reliable optical ESB Bus repeater slave module, ideal for extending ESB Bus communication over fiber optics, ensuring stable, long-distance transmission within safety and automation systems.