Product Overview
The Yokogawa SNT411 Optical ESB Bus Repeater Master Module extends ESB bus communication by converting electrical signals into optical signals, enabling longer transmission distances up to 50 km. It supports both star and chain type connections and is designed for use in safety control systems (ProSafe-RS). It is typically connected to ESB bus couplers or interfaces and paired with the SNT511 slave module for extended reach.
Technical Specifications
| Parameter | Specification |
|---|---|
| Function | ESB bus optical transport (Vnet/IP only) |
| Connection Type | Star or chain topology |
| Maximum Stages | 2 |
| Transmission Distance | 5 km to 50 km |
| Current Consumption | 0.5 A |
| Gewicht | Approx. 0.3 kg |
| Dimensions (W x H x D) | 142.5 x 130 x 32.8 mm |
| Supported Temperature | -20°C to +70°C (with option codes) |
| Mounting Slots | Continuous slot pair |
Applications
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Long-distance ESB bus communication in safety control systems
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Integration von remote safety node Stücks with the main control system
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Fiber-optic based high-reliability industrial communication networks
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Use in environments requiring explosion-protected or high-temperature rated equipment (with options)
Advantages
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Extends ESB bus communication up to 50 km with optical fiber
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Supports both star and chain topologies for flexible system design
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Compact and lightweight for easy installation
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High reliability and compatibility with ProSafe-RS systems
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Optional terminator and explosion-provon variants available
FAQ
Q1: What is the maximum transmission distance von the SNT411?
A1: It can extend ESB bus communication up to 50 km when properly paired with slave modules.
Q2: Can it be used in both star and chain topologies?
A2: Yes, the SNT411 supports both star and chain type connection methods.
Q3: What is the typical power consumption?
A3: The typical current consumption is approximately 0.5 A.
Q4: Is the SNT411 compatible with ProSafe-RS systems?
A4: Yes, it is specifically designed for use in Yokogawa ProSafe-RS safety control systems.
Q5: Are explosion-provon versions available?
A5: Yes, explosion-protected models are available with the appropriate suffix code.
Q6: Can the SNT411 be mounted in high-temperature environments?
A6: Yes, models compliant with -20°C to +70°C operation are available.
Q7: What is the weight von the module?
A7: The SNT411 weighs approximately 0.3 kg.
Q8: How many stages can be connected in series?
A8: A maximum von two stages can be connected.
Q9: Does it require a special connector?
A9: Yes, it is available with a connector Stück (with or without terminator).
Q10: Can the SNT411 and SNT511 be mounted in the same system?
A10: Yes, they are designed to work together in the same system to extend communication.
Related Modells (Same or Similar Series)
| Modell | Beschreibung | Dimensions (mm) | Gewicht |
|---|---|---|---|
| SNT511 | Optical ESB Bus Repeater Slave Module | 142.5 x 130 x 32.8 | 0.3 kg |
| S2EN501 | N-ESB Bus Module | Similar form factor | ~0.3 kg |
| SNT401 | Optical ESB Bus Repeater Master (earlier) | 142.5 x 130 x 32.8 | 0.3 kg |
| SNT501 | Optical ESB Bus Repeater Slave (earlier) | 142.5 x 130 x 32.8 | 0.3 kg |
| SSB401 | ESB Bus Interface Module | Rack-mounted | ~0.4 kg |
| SEC401 | ESB Bus Coupler Module | Rack-mounted | ~0.4 kg |
Popular Yokogawa Modells
| Modell | Beschreibung | Dimensions (mm) | Gewicht |
|---|---|---|---|
| PW402 | Power Supply Module | 130 x 100 x 32 | ~0.4 kg |
| AMM32 | Analog Input Module | 130 x 100 x 32 | ~0.4 kg |
| AAM50 | Analog Output Module | 130 x 100 x 32 | ~0.4 kg |
| ADV151 | Digital Input Module | 130 x 100 x 32 | ~0.4 kg |
| ADV551 | Digital Output Module | 130 x 100 x 32 | ~0.4 kg |
| NFAI135 | Field Control Analog Input Module | 130 x 100 x 32 | ~0.4 kg |
Unternehmensinformationen
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