Excellent PLC
Product Introduction
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
| Parameter | Specification |
|---|---|
| Model Name | Yokogawa S9341FA |
| Type | Bus Connector Unit |
| Supported Bus | ESB / N-ESB |
| Connector Type | Multi-pin connector |
| Isolation | Opto-isolation between bus and module electronics |
| Operating Temperature | –20 °C to +60 °C |
| Storage Temperature | –40 °C to +85 °C |
| Humidity | 5 – 95% RH non-condensing |
| Mounting | Rack / terminal board |
| Dimensions | 32.8 × 107.5 × 130 mm |
| Weight | 0.3 kg |
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
-
Q: Which bus networks does S9341FA support?
A: ESB and N-ESB bus networks. -
Q: What type of connector does it use?
A: Multi-pin connector compatible with Yokogawa modules. -
Q: Is the module electrically isolated?
A: Yes, opto-isolation separates the bus from the module electronics. -
Q: Can it be used in redundant bus systems?
A: Yes, it supports dual bus configurations for redundancy. -
Q: What are the environmental operating conditions?
A: –20 °C to +60 °C, 5–95% RH non-condensing. -
Q: How is it mounted?
A: Installed in Yokogawa I/O racks or terminal boards. -
Q: Does it provide any diagnostic functions?
A: Basic connectivity and bus status checks are possible when integrated with controllers. -
Q: Can multiple units be connected in series?
A: Yes, following Yokogawa bus topology guidelines. -
Q: Does it protect against electrical surges?
A: The opto-isolation protects the module electronics from common bus surges. -
Q: What commissioning tests are recommended?
A: Verify bus continuity, check signal integrity, and confirm controller communication.
Recommended Related or Same-Series Models
| Model | Description |
|---|---|
| S9342FA | ESB bus interface connector |
| S9343FA | Connector with terminator for ProSafe/ESB |
| S9260DE | Digital input/output terminal board module |
| S9260BE-02 | Complementary board for terminal modules |
| S9548FA | Backup/battery component for system racks |
| S9181AA | Other S9-series digital I/O module |
Six Popular Yokogawa Models
| Model | Description |
|---|---|
| PW484-10 | Power supply module, 10A output |
| PW482-S01 | Power distribution module, single phase |
| PW482-51 | Power distribution module, 5 circuits |
| PW485-20 | Power supply module, 20A output |
| PW483-02 | Backup power module, dual input |
| PW486-05 | Power monitoring module, 5 channels |
