Yokogawa S9341FA Bus Connector Unit

The Yokogawa S9341FA Bus Connector Unit is designed to interface ESB / N-ESB bus networks in Yokogawa distributed control systems (DCS). It provides a reliable electrical connection between modules and the system bus, ensuring stable communication and signal integrity across racks and nodes. The compact, modular design allows easy integration into Yokogawa I/O racks, reducing installation complexity while maintaining high performance.

Product Parameters

Applications

The S9341FA is used to connect Yokogawa I/O modules to the ESB/N-ESB bus network. Typical applications include:

• Ensuring stable communication between modules and the controller

• Maintaining signal integrity across multiple racks

• Supporting redundant bus networks for critical process control

• Industrial process control in oil & gas, chemical, power, and water treatment plants

Product Advantages

• Reliable Bus Connectivity: Maintains stable communication across ESB/N-ESB networks

• Compact and Modular: Easy to integrate into Yokogawa I/O racks

• Opto-Isolated: Protects electronics from electrical noise and surges

• Simplified Installation: Reduces wiring complexity in control cabinets

• Compatible with Redundant Systems: Supports dual bus configuration for high availability

• Industrial-Grade Durability: Wide operating temperature and humidity range

FAQ

1. Q: Which bus networks does S9341FA support?

   A: ESB and N-ESB bus networks.

2. Q: What type of connector does it use?

   A: Multi-pin connector compatible with Yokogawa modules.

3. Q: Is the module electrically isolated?

   A: Yes, opto-isolation separates the bus from the module electronics.

4. Q: Can it be used in redundant bus systems?

   A: Yes, it supports dual bus configurations for redundancy.

5. Q: What are the environmental operating conditions?

   A: –20 °C to +60 °C, 5–95% RH non-condensing.

6. Q: How is it mounted?

   A: Installed in Yokogawa I/O racks or terminal boards.

7. Q: Does it provide any diagnostic functions?

   A: Basic connectivity and bus status checks are possible when integrated with controllers.

8. Q: Can multiple units be connected in series?

   A: Yes, following Yokogawa bus topology guidelines.

9. Q: Does it protect against electrical surges?

   A: The opto-isolation protects the module electronics from common bus surges.

10. Q: What commissioning tests are recommended?

    A: Verify bus continuity, check signal integrity, and confirm controller communication.