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- One-to-Three Port Sharing:
Allows one RS232 master device to communicate with up to three isolated RS232 slave devices simultaneously.
- Electrical Isolation:
Each of the three slave ports is galvanically isolated, providing protection against ground loops, electrical noise, and voltage surges between connected devices.
- Flexible Serial Interface Support:
The S400 Series supports RS232, isolated RS232, and isolated RS422/485 interfaces. The S232o specifically supports RS232 master to isolated RS232 slave communication.
- Auto Data Direction Control (for RS485 models):
Although not applicable to the S232o, the S400 platform supports automatic data direction control for RS485 configurations, simplifying half-duplex communication setups.
- LED Status Indicators:
Four LED indicators provide real-time visual feedback for power and data transmission/reception activity on each port (A, B, C, D).
- Compact Industrial Design:
Housed in a durable enclosure measuring 90 mm (W) × 150 mm (L) × 27 mm (H), suitable for desktop or panel mounting in industrial control systems.
- Low Power Consumption:
Operates at 5 VDC with a typical current draw of 400 mA, ensuring energy-efficient operation.
- Wide Environmental Tolerance:
Designed for operation in environments with temperatures from 0°C to 55°C and humidity up to 95% RH.
- Plug-and-Play Integration:
Uses standard DB9 male connectors for all ports, ensuring compatibility with existing RS232 cabling and equipment.
- Reliable Data Handling:
Ensures that only one slave device transmits to the master at any given time, preventing data collisions and maintaining communication integrity.
Allows one RS232 master device to communicate with up to three isolated RS232 slave devices simultaneously.
- Electrical Isolation:
Each of the three slave ports is galvanically isolated, providing protection against ground loops, electrical noise, and voltage surges between connected devices.
- Flexible Serial Interface Support:
The S400 Series supports RS232, isolated RS232, and isolated RS422/485 interfaces. The S232o specifically supports RS232 master to isolated RS232 slave communication.
- Auto Data Direction Control (for RS485 models):
Although not applicable to the S232o, the S400 platform supports automatic data direction control for RS485 configurations, simplifying half-duplex communication setups.
- LED Status Indicators:
Four LED indicators provide real-time visual feedback for power and data transmission/reception activity on each port (A, B, C, D).
- Compact Industrial Design:
Housed in a durable enclosure measuring 90 mm (W) × 150 mm (L) × 27 mm (H), suitable for desktop or panel mounting in industrial control systems.
- Low Power Consumption:
Operates at 5 VDC with a typical current draw of 400 mA, ensuring energy-efficient operation.
- Wide Environmental Tolerance:
Designed for operation in environments with temperatures from 0°C to 55°C and humidity up to 95% RH.
- Plug-and-Play Integration:
Uses standard DB9 male connectors for all ports, ensuring compatibility with existing RS232 cabling and equipment.
- Reliable Data Handling:
Ensures that only one slave device transmits to the master at any given time, preventing data collisions and maintaining communication integrity.
Comprehensive Product Summary – Rayon Technology S232o Serial Port Sharer
### 1. Product Overview
Product Name: S232o
Model: S232o
Series: S400 Series – Serial Port Sharer
Article Number: S232o
Manufacturer: Rayon Technology Co., Ltd.
Manufacturer Address: 2F, No. 177, Chung Shan 2 Rd., Lu Chou City, Taipei Hsien, Taiwan
Contact:
- Tel: +886-2-82858362
- Fax: +886-2-82857065
- Email: rayon@ms1.hinet.net
- Websites: [www.computex.com.tw/rayon](http://www.computex.com.tw/rayon), [www.rayontech.com](http://www.rayontech.com)
Product Description:
The Rayon S232o is a serial port sharing device designed to connect one RS232 master port to three isolated RS232 slave ports. It enables a single host system to communicate with multiple RS232 devices in a controlled, isolated, and synchronized manner. The unit belongs to Rayon’s S400 Series of serial port sharers, which are engineered for industrial, laboratory, and data acquisition environments requiring reliable multi-port serial communication with electrical isolation.
### 2. Key Features
- One-to-Three Port Sharing:
Allows one RS232 master device to communicate with up to three isolated RS232 slave devices simultaneously.
- Electrical Isolation:
Each of the three slave ports is galvanically isolated, providing protection against ground loops, electrical noise, and voltage surges between connected devices.
- Flexible Serial Interface Support:
The S400 Series supports RS232, isolated RS232, and isolated RS422/485 interfaces. The S232o specifically supports RS232 master to isolated RS232 slave communication.
- Auto Data Direction Control (for RS485 models):
Although not applicable to the S232o, the S400 platform supports automatic data direction control for RS485 configurations, simplifying half-duplex communication setups.
- LED Status Indicators:
Four LED indicators provide real-time visual feedback for power and data transmission/reception activity on each port (A, B, C, D).
- Compact Industrial Design:
Housed in a durable enclosure measuring 90 mm (W) × 150 mm (L) × 27 mm (H), suitable for desktop or panel mounting in industrial control systems.
- Low Power Consumption:
Operates at 5 VDC with a typical current draw of 400 mA, ensuring energy-efficient operation.
- Wide Environmental Tolerance:
Designed for operation in environments with temperatures from 0°C to 55°C and humidity up to 95% RH.
- Plug-and-Play Integration:
Uses standard DB9 male connectors for all ports, ensuring compatibility with existing RS232 cabling and equipment.
- Reliable Data Handling:
Ensures that only one slave device transmits to the master at any given time, preventing data collisions and maintaining communication integrity.
### 3. Technical Specifications
Electrical & Interface Specifications:
- Master Port Interface: RS232 (non-isolated)
- Slave Port Interfaces: 3 × Isolated RS232
- Connector Type: DB9 male (for all ports)
- Number of Ports: 4 total (Port A = Master; Ports B, C, D = Slaves)
- Signal Pins per Port: 5 (TX+, TX−, RX+, RX−, Isolated GND)
- Power Input: 5 VDC, 400 mA typical consumption
- Power Adapter: UP110/UP220 (US/EU type), 100–240 VAC input, 5 VDC 1000 mA output
Physical Characteristics:
- Dimensions: 90 mm (W) × 150 mm (L) × 27 mm (H)
- Weight: Not specified (approx. < 500 g typical for enclosure of this size)
- Enclosure Material: Industrial-grade metal or high-strength polymer (Rayon standard S400 housing)
- Color/Finish: Standard Rayon S400 Series finish (typically metallic gray or anodized aluminum)
Environmental Conditions:
- Operating Temperature: 0°C to 55°C
- Storage Temperature: 0°C to 65°C
- Operating Humidity: 10% to 95% RH (non-condensing)
- Storage Humidity: 5% to 95% RH (non-condensing)
Indicators:
- PWR: Power ON indicator
- ATRX: Port A TXD/RXD activity
- BTRX: Port B TXD/RXD activity
- CTRX: Port C TXD/RXD activity
- DTRX: Port D TXD/RXD activity
### 4. Functionality
Operational Concept:
The S232o functions as a serial port sharer, enabling one master RS232 device (such as a PC, PLC, or data logger) to communicate with three isolated RS232 slave devices (such as printers, meters, or sensors). Data received from the master port (Port A) is simultaneously retransmitted to all three slave ports (Ports B, C, D). Conversely, data received from any one slave port is retransmitted to the master port, ensuring that only one slave device transmits at a time to prevent data collisions.
Use Cases and Applications:
- Industrial Automation: Connecting a central controller to multiple measurement or control devices.
- Data Monitoring: Simultaneous data distribution from one host to multiple monitoring systems.
- Printer Data Logging: Monitoring and recording print data from a host computer to multiple PCs for audit and verification.
- Laboratory Instrumentation: Sharing serial data from one instrument to multiple analysis or recording systems.
- Test and Measurement Systems: Distributing serial output from a test controller to multiple data acquisition terminals.
Compatibility:
- Fully compatible with standard RS232 communication protocols.
- Works with any device supporting RS232 serial communication (PCs, PLCs, printers, meters, counters, etc.).
- Uses standard DB9 connectors, ensuring plug-and-play compatibility with existing serial cables.
### 5. Components & Accessories
Included Items:
- S232o Serial Port Sharer main unit
- UP110 or UP220 power adapter (region-specific)
- User manual or quick installation guide
Optional Accessories:
- RS232 DB9 serial cables (male-to-female or male-to-male as required)
- Mounting brackets or DIN-rail adapters (for industrial installations)
- USB-to-RS232 converters (for systems without native serial ports)
Connectors:
- 4 × DB9 male connectors (Ports A–D)
- Power input jack (5 VDC)
- LED indicators on front panel for status monitoring
### 6. Installation & Setup
Requirements:
- Power supply: 5 VDC, 400 mA minimum
- Compatible RS232 devices with DB9 connectors
- Proper grounding and isolation for industrial environments
Mounting Options:
- Desktop placement
- Panel or wall mounting (optional brackets)
- DIN-rail mounting (optional accessory)
Configuration:
- The S232o requires minimal configuration. Simply connect the master device to Port A and the slave devices to Ports B, C, and D.
- Ensure that only one slave device transmits data at a time to avoid communication conflicts.
- For other S400 models (RS422/485), DIP switches are available to select interface type and enable Auto Data Direction Control, but the S232o model is fixed to RS232 operation.
Setup Procedure:
1. Connect the power adapter to the S232o and verify the PWR LED is illuminated.
2. Connect the master RS232 device to Port A.
3. Connect up to three isolated RS232 slave devices to Ports B, C, and D.
4. Verify communication activity via the ATRX, BTRX, CTRX, and DTRX LEDs.
5. Begin data transmission from the master device; data will be distributed to all slave ports simultaneously.
### 7. Performance & Capabilities
Data Transmission Behavior:
- Master-to-Slave: Data from the master port (A) is broadcast simultaneously to all three slave ports (B, C, D).
- Slave-to-Master: Only one slave port can transmit to the master at any given time. The system ensures that simultaneous transmissions from multiple slaves are prevented, maintaining data integrity.
Speed and Throughput:
- Supports standard RS232 baud rates (typically up to 115.2 kbps, depending on connected devices and cable length).
- Low latency retransmission ensures near real-time data distribution.
Capacity:
- One master port and three isolated slave ports.
- Each slave port operates independently with full electrical isolation.
Efficiency:
- Low power consumption (400 mA @ 5 VDC).
- Efficient signal routing and isolation minimize interference and data loss.
Limitations:
- Only one slave device can transmit to the master at a time.
- Not designed for simultaneous bidirectional communication from multiple slaves.
- RS232 cable length limitations apply (typically up to 15 meters per connection, depending on baud rate and cable quality).
### 8. Standards & Compliance
Electrical and Interface Standards:
- Complies with EIA/TIA RS232 serial communication standards.
- Isolation design meets industrial-grade safety and noise immunity requirements.
Regulatory Compliance:
- Designed for compliance with CE and FCC Class A/B electromagnetic compatibility standards (typical for Rayon S400 Series).
- Power adapter meets international safety and efficiency standards (100–240 VAC input, 5 VDC output).
Industry Standards:
- Compatible with standard DB9 pinout configurations.
- Supports RS232 signaling levels as defined by EIA/TIA-232-F.
### 9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 1 year, depending on region and distributor policy).
- Covers defects in materials and workmanship under normal operating conditions.
Technical Support:
- Provided directly by Rayon Technology Co., Ltd.
- Support available via email (rayon@ms1.hinet.net) and telephone.
- Documentation, firmware updates, and application notes available on the manufacturer’s website.
Maintenance:
- No regular maintenance required beyond ensuring clean connectors and stable power supply.
- Periodic inspection recommended for industrial environments to check for cable wear or connector oxidation.
Firmware/Software Updates:
- The S232o operates as a hardware-level device and does not require firmware updates or software drivers.
- Compatible with all operating systems that support standard RS232 communication (Windows, Linux, macOS, embedded systems).
Reliability and Longevity:
- Designed for continuous operation in industrial and commercial environments.
- Isolation and robust construction enhance durability and reduce risk of communication failure due to electrical interference.
Application Example:
A common use case involves connecting a host PC (master) to a printer and two monitoring PCs (slaves). The S232o allows the host to send print data to the printer while simultaneously transmitting identical data to the monitoring PCs for verification and logging. This ensures data integrity and provides a reliable audit trail for critical print operations such as financial documents or production reports.
Support and Customization:
Rayon Technology offers technical consultation for custom serial communication solutions, including mixed RS232/RS422/RS485 configurations, isolation requirements, and integration with existing control systems.
### Summary
The Rayon S232o Serial Port Sharer is a robust, industrial-grade communication device that enables one RS232 master port to interface with three isolated RS232 slave ports. It is part of the S400 Series, known for its flexibility, electrical isolation, and reliable data handling. With its compact design, low power consumption, and straightforward setup, the S232o is ideal for applications requiring simultaneous data distribution, monitoring, and control across multiple RS232 devices. Its isolation features ensure safe and interference-free operation in demanding environments, making it a dependable solution for industrial automation, data acquisition, and system monitoring applications.
### 1. Product Overview
Product Name: S232o
Model: S232o
Series: S400 Series – Serial Port Sharer
Article Number: S232o
Manufacturer: Rayon Technology Co., Ltd.
Manufacturer Address: 2F, No. 177, Chung Shan 2 Rd., Lu Chou City, Taipei Hsien, Taiwan
Contact:
- Tel: +886-2-82858362
- Fax: +886-2-82857065
- Email: rayon@ms1.hinet.net
- Websites: [www.computex.com.tw/rayon](http://www.computex.com.tw/rayon), [www.rayontech.com](http://www.rayontech.com)
Product Description:
The Rayon S232o is a serial port sharing device designed to connect one RS232 master port to three isolated RS232 slave ports. It enables a single host system to communicate with multiple RS232 devices in a controlled, isolated, and synchronized manner. The unit belongs to Rayon’s S400 Series of serial port sharers, which are engineered for industrial, laboratory, and data acquisition environments requiring reliable multi-port serial communication with electrical isolation.
### 2. Key Features
- One-to-Three Port Sharing:
Allows one RS232 master device to communicate with up to three isolated RS232 slave devices simultaneously.
- Electrical Isolation:
Each of the three slave ports is galvanically isolated, providing protection against ground loops, electrical noise, and voltage surges between connected devices.
- Flexible Serial Interface Support:
The S400 Series supports RS232, isolated RS232, and isolated RS422/485 interfaces. The S232o specifically supports RS232 master to isolated RS232 slave communication.
- Auto Data Direction Control (for RS485 models):
Although not applicable to the S232o, the S400 platform supports automatic data direction control for RS485 configurations, simplifying half-duplex communication setups.
- LED Status Indicators:
Four LED indicators provide real-time visual feedback for power and data transmission/reception activity on each port (A, B, C, D).
- Compact Industrial Design:
Housed in a durable enclosure measuring 90 mm (W) × 150 mm (L) × 27 mm (H), suitable for desktop or panel mounting in industrial control systems.
- Low Power Consumption:
Operates at 5 VDC with a typical current draw of 400 mA, ensuring energy-efficient operation.
- Wide Environmental Tolerance:
Designed for operation in environments with temperatures from 0°C to 55°C and humidity up to 95% RH.
- Plug-and-Play Integration:
Uses standard DB9 male connectors for all ports, ensuring compatibility with existing RS232 cabling and equipment.
- Reliable Data Handling:
Ensures that only one slave device transmits to the master at any given time, preventing data collisions and maintaining communication integrity.
### 3. Technical Specifications
Electrical & Interface Specifications:
- Master Port Interface: RS232 (non-isolated)
- Slave Port Interfaces: 3 × Isolated RS232
- Connector Type: DB9 male (for all ports)
- Number of Ports: 4 total (Port A = Master; Ports B, C, D = Slaves)
- Signal Pins per Port: 5 (TX+, TX−, RX+, RX−, Isolated GND)
- Power Input: 5 VDC, 400 mA typical consumption
- Power Adapter: UP110/UP220 (US/EU type), 100–240 VAC input, 5 VDC 1000 mA output
Physical Characteristics:
- Dimensions: 90 mm (W) × 150 mm (L) × 27 mm (H)
- Weight: Not specified (approx. < 500 g typical for enclosure of this size)
- Enclosure Material: Industrial-grade metal or high-strength polymer (Rayon standard S400 housing)
- Color/Finish: Standard Rayon S400 Series finish (typically metallic gray or anodized aluminum)
Environmental Conditions:
- Operating Temperature: 0°C to 55°C
- Storage Temperature: 0°C to 65°C
- Operating Humidity: 10% to 95% RH (non-condensing)
- Storage Humidity: 5% to 95% RH (non-condensing)
Indicators:
- PWR: Power ON indicator
- ATRX: Port A TXD/RXD activity
- BTRX: Port B TXD/RXD activity
- CTRX: Port C TXD/RXD activity
- DTRX: Port D TXD/RXD activity
### 4. Functionality
Operational Concept:
The S232o functions as a serial port sharer, enabling one master RS232 device (such as a PC, PLC, or data logger) to communicate with three isolated RS232 slave devices (such as printers, meters, or sensors). Data received from the master port (Port A) is simultaneously retransmitted to all three slave ports (Ports B, C, D). Conversely, data received from any one slave port is retransmitted to the master port, ensuring that only one slave device transmits at a time to prevent data collisions.
Use Cases and Applications:
- Industrial Automation: Connecting a central controller to multiple measurement or control devices.
- Data Monitoring: Simultaneous data distribution from one host to multiple monitoring systems.
- Printer Data Logging: Monitoring and recording print data from a host computer to multiple PCs for audit and verification.
- Laboratory Instrumentation: Sharing serial data from one instrument to multiple analysis or recording systems.
- Test and Measurement Systems: Distributing serial output from a test controller to multiple data acquisition terminals.
Compatibility:
- Fully compatible with standard RS232 communication protocols.
- Works with any device supporting RS232 serial communication (PCs, PLCs, printers, meters, counters, etc.).
- Uses standard DB9 connectors, ensuring plug-and-play compatibility with existing serial cables.
### 5. Components & Accessories
Included Items:
- S232o Serial Port Sharer main unit
- UP110 or UP220 power adapter (region-specific)
- User manual or quick installation guide
Optional Accessories:
- RS232 DB9 serial cables (male-to-female or male-to-male as required)
- Mounting brackets or DIN-rail adapters (for industrial installations)
- USB-to-RS232 converters (for systems without native serial ports)
Connectors:
- 4 × DB9 male connectors (Ports A–D)
- Power input jack (5 VDC)
- LED indicators on front panel for status monitoring
### 6. Installation & Setup
Requirements:
- Power supply: 5 VDC, 400 mA minimum
- Compatible RS232 devices with DB9 connectors
- Proper grounding and isolation for industrial environments
Mounting Options:
- Desktop placement
- Panel or wall mounting (optional brackets)
- DIN-rail mounting (optional accessory)
Configuration:
- The S232o requires minimal configuration. Simply connect the master device to Port A and the slave devices to Ports B, C, and D.
- Ensure that only one slave device transmits data at a time to avoid communication conflicts.
- For other S400 models (RS422/485), DIP switches are available to select interface type and enable Auto Data Direction Control, but the S232o model is fixed to RS232 operation.
Setup Procedure:
1. Connect the power adapter to the S232o and verify the PWR LED is illuminated.
2. Connect the master RS232 device to Port A.
3. Connect up to three isolated RS232 slave devices to Ports B, C, and D.
4. Verify communication activity via the ATRX, BTRX, CTRX, and DTRX LEDs.
5. Begin data transmission from the master device; data will be distributed to all slave ports simultaneously.
### 7. Performance & Capabilities
Data Transmission Behavior:
- Master-to-Slave: Data from the master port (A) is broadcast simultaneously to all three slave ports (B, C, D).
- Slave-to-Master: Only one slave port can transmit to the master at any given time. The system ensures that simultaneous transmissions from multiple slaves are prevented, maintaining data integrity.
Speed and Throughput:
- Supports standard RS232 baud rates (typically up to 115.2 kbps, depending on connected devices and cable length).
- Low latency retransmission ensures near real-time data distribution.
Capacity:
- One master port and three isolated slave ports.
- Each slave port operates independently with full electrical isolation.
Efficiency:
- Low power consumption (400 mA @ 5 VDC).
- Efficient signal routing and isolation minimize interference and data loss.
Limitations:
- Only one slave device can transmit to the master at a time.
- Not designed for simultaneous bidirectional communication from multiple slaves.
- RS232 cable length limitations apply (typically up to 15 meters per connection, depending on baud rate and cable quality).
### 8. Standards & Compliance
Electrical and Interface Standards:
- Complies with EIA/TIA RS232 serial communication standards.
- Isolation design meets industrial-grade safety and noise immunity requirements.
Regulatory Compliance:
- Designed for compliance with CE and FCC Class A/B electromagnetic compatibility standards (typical for Rayon S400 Series).
- Power adapter meets international safety and efficiency standards (100–240 VAC input, 5 VDC output).
Industry Standards:
- Compatible with standard DB9 pinout configurations.
- Supports RS232 signaling levels as defined by EIA/TIA-232-F.
### 9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 1 year, depending on region and distributor policy).
- Covers defects in materials and workmanship under normal operating conditions.
Technical Support:
- Provided directly by Rayon Technology Co., Ltd.
- Support available via email (rayon@ms1.hinet.net) and telephone.
- Documentation, firmware updates, and application notes available on the manufacturer’s website.
Maintenance:
- No regular maintenance required beyond ensuring clean connectors and stable power supply.
- Periodic inspection recommended for industrial environments to check for cable wear or connector oxidation.
Firmware/Software Updates:
- The S232o operates as a hardware-level device and does not require firmware updates or software drivers.
- Compatible with all operating systems that support standard RS232 communication (Windows, Linux, macOS, embedded systems).
Reliability and Longevity:
- Designed for continuous operation in industrial and commercial environments.
- Isolation and robust construction enhance durability and reduce risk of communication failure due to electrical interference.
Application Example:
A common use case involves connecting a host PC (master) to a printer and two monitoring PCs (slaves). The S232o allows the host to send print data to the printer while simultaneously transmitting identical data to the monitoring PCs for verification and logging. This ensures data integrity and provides a reliable audit trail for critical print operations such as financial documents or production reports.
Support and Customization:
Rayon Technology offers technical consultation for custom serial communication solutions, including mixed RS232/RS422/RS485 configurations, isolation requirements, and integration with existing control systems.
### Summary
The Rayon S232o Serial Port Sharer is a robust, industrial-grade communication device that enables one RS232 master port to interface with three isolated RS232 slave ports. It is part of the S400 Series, known for its flexibility, electrical isolation, and reliable data handling. With its compact design, low power consumption, and straightforward setup, the S232o is ideal for applications requiring simultaneous data distribution, monitoring, and control across multiple RS232 devices. Its isolation features ensure safe and interference-free operation in demanding environments, making it a dependable solution for industrial automation, data acquisition, and system monitoring applications.
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S400_Catalog.pdf
PDF Catalog
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S232 Application Note.pdf
Manual
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