Product Description
Product Information: Yokogawa SNT401-53 Optical ESB Bus Repeater Module
| Manufacturer | Yokogawa |
|---|---|
| Model/Part Number | SNT401-53 |
| Description | Optical ESB Bus Repeater Master Module |
Key Specifications
| Specification | Details |
|---|---|
| Function | Converts ESB Bus signals to optical signals |
| Connection Method | - Star type connection - Chain type connection Supports both configurations |
| Number of Connecting Stages | Maximum two stages |
| Transmission Distance | - Maximum 5 km (total two stages) - Up to 10 km with Vnet/IP system (R1.03 or later) |
| Current Consumption | 0.5 A |
| Weight | Approx. 0.3 kg |
Description
The SNT401 Optical ESB Bus Repeater Master Module is designed to convert the ESB Bus signal, which connects safety control units, safety node units, and N-IO nodes, into optical signals. It supports both star and chain-type connections, allowing flexible installation. The module is suitable for distances up to 5 km for standard configurations, and up to 10 km for systems using Vnet/IP (R1.03 or later).
Suffix & Option Codes
| Suffix Code | Description |
|---|---|
| -5 | Without explosion protection |
| -E | With explosion protection |
| 3 | ISA Standard G3 and temperature (-20 to 70 ºC) (for maintenance purposes) |
| F | ISA Standard G3 and temperature (-20 to 70 ºC) (for specific modules like SNT501 and S2EN501) |
| Option Code | Description |
|---|---|
| /CU1N | Connector unit for ESB Bus [Part Number: S9345FA] |
| /CU1T | Connector unit with terminator for ESB Bus [Part Number: S9346FA] |