SNT501-53 Yokogawa Optical ESB Bus Repeater Slave Module

SNT501-53 Optical ESB Bus Repeater Slave Module

• Brand: Yokogawa
• Model: SNT501-53
• Category: Optical ESB Bus Repeater / Slave Module
• Type: Optical repeater for ESB bus extension

Suffix Code Breakdown

• Suffix 5: Without explosion protection.
• Suffix 3: ISA Standard G3, temperature -20 to 70 °C (maintenance purpose).
• Full model: SNT501-53.

General Description

• Converts ESB Bus signals to optical signals for extension.
• Works with SNT401 master module for long-distance links.
• Extends transmission distance up to 5 km (total two stages).
• With Vnet/IP R1.03 or later, total distance reaches 10 km.
• Supports both star and chain type connections.
• Maximum two connecting stages allowed.

Technical Specifications

• Function: ESB Bus optical transport.
• Connection Method: Star or chain type (both supported).
• Max Connecting Stages: Two stages.
• Transmission Distance: Up to 5 km (10 km with R1.03+).
• Current Consumption: 0.5 A.
• Weight: Approximately 0.3 kg.

System Configuration

• Connect SNT401 master to S2EN501 N-ESB module at master side.
• Connect S2EN501 at slave side to SNT501-53 slave module.
• SNT501 connects to SSB401 on safety node unit (SNB10D).
• ESB Bus cable connects between coupler and repeater modules.
• Optical fiber cable links master and slave repeaters.

Installation Guidelines

• Mount the module in a standard DIN rail or rack.
• Connect ESB Bus cable to the designated ports.
• Use optical fiber cable for master-slave connection.
• Ensure proper termination (if required for the system).
• Verify ambient temperature stays within -20 to 70 °C.
• Follow Yokogawa manual for star or chain topology.
• Check current consumption does not exceed supply capacity.

Package Contents

• One SNT501-53 optical ESB bus repeater slave module.
• Quick start guide (English).
• No optical cables or ESB cables included.

Shipping & Logistics

• We ship via FedEx, UPS, or DHL worldwide.
• Orders dispatch within 5 business days.
• All units are new original Yokogawa stock.
• 30-day return policy applies for unused items.

Frequently Asked Questions (FAQ)

• Q: What is the maximum transmission distance with SNT501-53?
  A: Up to 5 km total for two stages, or 10 km with Vnet/IP R1.03 or later.
• Q: Can I use both star and chain connections?
  A: Yes, the SNT501-53 supports both star and chain type connections.
• Q: What is the difference between SNT401 and SNT501?
  A: SNT401 is the master module; SNT501 is the slave module for optical extension.
• Q: Is this module compatible with safety node units?
  A: Yes, it connects to SSB401 on the safety node unit (SNB10D).
• Q: What operating temperature range does it support?
  A: -20 to 70 °C (with suffix 3 for maintenance purposes).
• Q: How many stages can I connect?
  A: Maximum two connecting stages are allowed in the system.

Contact Information Inquiries: sales@nex-auto.com ， +86 153 9242 9628

Partner NexAuto Technology Limited : https://www.nex-auto.com/