Excellent PLC
Product Introduction
The Yokogawa S9345FA Bus Connector Unit is a critical communication interface module designed for Yokogawa’s distributed control systems (DCS). This module enables reliable data transmission between I/O modules and the central processing unit (CPU) over ESB (Extended SuperBus) or N-ESB (New Extended SuperBus) networks. Its robust design ensures stable and continuous communication, which is essential for maintaining the integrity and efficiency of industrial automation processes.
Product Parameters
| Parameter | Specification |
|---|---|
| Model | S9345FA |
| Type | Bus Connector Unit |
| Supported Bus | ESB / N-ESB |
| Channels | 2 independent bus channels |
| Connector Type | Multi-pin connector |
| Isolation | Opto-isolated between bus and module |
| 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 | 50 × 32.8 × 107.5 mm |
| Weight | 0.2 kg |
Applications
The S9345FA module is widely used in industrial applications, including:
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Redundant System Configurations: Supports dual-channel communication to enhance system reliability.
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Distributed Control Systems (DCS): Integrates seamlessly with Yokogawa DCS for efficient process control.
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Critical Data Transmission: Ensures uninterrupted data flow between I/O modules and CPU.
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Industrial Automation: Used in industries such as oil & gas, chemical processing, and power generation.
Product Advantages
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Dual-Channel Redundancy: Provides two independent bus channels to ensure continuous operation.
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Opto-Isolation: Offers electrical isolation between the bus and module, protecting against surges and noise.
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Compact Design: Space-saving form factor suitable for various rack configurations.
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High Compatibility: Fully compatible with other Yokogawa DCS components.
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Enhanced Reliability: Built to withstand harsh industrial environments for long-term operation.
FAQ
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Q: How many bus channels does the S9345FA support?
A: It supports two independent ESB/N-ESB bus channels. -
Q: What type of connector is used in the S9345FA?
A: The module uses a multi-pin connector compatible with Yokogawa systems. -
Q: Is the S9345FA electrically isolated?
A: Yes, it features opto-isolation between the bus and module electronics. -
Q: Can the S9345FA be used in redundant system configurations?
A: Absolutely, it supports dual-channel communication for redundancy. -
Q: What is the operating temperature range?
A: –20°C to +60°C. -
Q: What is the storage temperature range?
A: –40°C to +85°C. -
Q: What is the humidity tolerance of the S9345FA?
A: 5 – 95% relative humidity, non-condensing. -
Q: How is the S9345FA mounted?
A: It can be mounted on a rack or terminal board. -
Q: Does the S9345FA provide diagnostic functions?
A: Yes, basic bus status and connectivity diagnostics are supported. -
Q: Can multiple S9345FA modules be connected in series?
A: Yes, following Yokogawa bus topology guidelines.
Recommended Related or Same-Series Models
| Model | Description |
|---|---|
| S9341FA | Bus Connector Unit |
| S9342FA | Dual-Channel Bus Interface Module |
| S9343FA | Connector with Terminator for ProSafe |
| S9260DE | Digital Input/Output Terminal Board |
| S9260BE-02 | Complementary Board for Terminal Modules |
| S9548FA | Backup/Battery Component for System Racks |
Six Popular Yokogawa Models
| Model | Description |
|---|---|
| S9341FA | ESB bus terminator / connector unit |
| S9112BL | Digital input module |
| S9342FA | ESB bus interface connector |
| S9343FA | Connector with terminator for ProSafe/ESB |
| S9548FA | Battery backup component for system racks |
| S9181AA | Digital I/O module (S9-series) |
