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S432io
Port Sharer isol. RS485/422 master to isol. 3*RS232 slaves
82,00 EUR
including VAT 97.58 EUR
- One-to-Three Port Sharing:
Allows one master port (RS422/485) to communicate with three slave ports (RS232) simultaneously. Data from the master is broadcast to all slaves, while data from any slave is directed only to the master.
- Full Electrical Isolation:
Both the master and slave ports are galvanically isolated, providing protection against ground loops, electrical noise, and potential differences between connected devices.
- Ground isolation between external devices and the S432io box.
- Double ground isolation between any two external devices.
- Flexible Interface Configuration:
The master port supports both RS422 and RS485 standards, selectable via DIP switch. The slave ports operate as isolated RS232 interfaces.
- Auto Data Direction Control (RS485):
The RS485 master port supports automatic data direction control, simplifying communication setup and eliminating the need for manual RTS signal management.
- TX+ and RX+ can be shorted as DATA+
- TX– and RX– can be shorted as DATA–
- Compact and Durable Design:
Housed in a compact 90 × 150 × 27 mm enclosure, suitable for desktop or panel-mounted industrial environments.
- LED Status Indicators:
Four independent LED indicators display power and communication activity for each port (A, B, C, D).
- Universal Power Supply:
Operates with a 100–240 VAC input power adapter, outputting 5 VDC at 1000 mA. The device consumes approximately 400 mA at 5 VDC.
- Wide Environmental Tolerance:
Designed for industrial operating conditions with temperature and humidity resilience.
- Part of a Modular System:
Compatible with other Rayon S400 Series models (S232io, S434io, S234io), enabling scalable multi-segment serial communication networks.
Allows one master port (RS422/485) to communicate with three slave ports (RS232) simultaneously. Data from the master is broadcast to all slaves, while data from any slave is directed only to the master.
- Full Electrical Isolation:
Both the master and slave ports are galvanically isolated, providing protection against ground loops, electrical noise, and potential differences between connected devices.
- Ground isolation between external devices and the S432io box.
- Double ground isolation between any two external devices.
- Flexible Interface Configuration:
The master port supports both RS422 and RS485 standards, selectable via DIP switch. The slave ports operate as isolated RS232 interfaces.
- Auto Data Direction Control (RS485):
The RS485 master port supports automatic data direction control, simplifying communication setup and eliminating the need for manual RTS signal management.
- TX+ and RX+ can be shorted as DATA+
- TX– and RX– can be shorted as DATA–
- Compact and Durable Design:
Housed in a compact 90 × 150 × 27 mm enclosure, suitable for desktop or panel-mounted industrial environments.
- LED Status Indicators:
Four independent LED indicators display power and communication activity for each port (A, B, C, D).
- Universal Power Supply:
Operates with a 100–240 VAC input power adapter, outputting 5 VDC at 1000 mA. The device consumes approximately 400 mA at 5 VDC.
- Wide Environmental Tolerance:
Designed for industrial operating conditions with temperature and humidity resilience.
- Part of a Modular System:
Compatible with other Rayon S400 Series models (S232io, S434io, S234io), enabling scalable multi-segment serial communication networks.
Comprehensive Product Summary – Rayon Technology S432io Serial Port Sharer
### 1. Product Overview
Product Name: S432io
Model: S432io
Series: S400 Series – Serial Port Sharer
Article Number: S432io
Manufacturer: Rayon Technology Co., Ltd.
Manufacturer Address: 2F, No. 177, Chung Shan 2 Rd., Lu Chou City, Taipei Hsien, Taiwan
Contact Information:
- Tel: +886-2-82858362
- Fax: +886-2-82857065
- Email: rayon@ms1.hinet.net
- Websites: [www.rayontech.com](http://www.rayontech.com), [www.computex.com.tw/rayon](http://www.computex.com.tw/rayon)
Product Description:
The Rayon S432io is a ground-isolated serial port sharer designed to connect one isolated RS422/485 master port to three isolated RS232 slave ports. It enables simultaneous data distribution from a single master device to multiple slave devices while maintaining electrical isolation between all connected equipment. The S432io is part of Rayon’s S400 Series of serial communication interface devices, engineered for industrial automation, data acquisition, and multi-device communication environments requiring robust isolation and reliable signal integrity.
### 2. Key Features
- One-to-Three Port Sharing:
Allows one master port (RS422/485) to communicate with three slave ports (RS232) simultaneously. Data from the master is broadcast to all slaves, while data from any slave is directed only to the master.
- Full Electrical Isolation:
Both the master and slave ports are galvanically isolated, providing protection against ground loops, electrical noise, and potential differences between connected devices.
- Ground isolation between external devices and the S432io box.
- Double ground isolation between any two external devices.
- Flexible Interface Configuration:
The master port supports both RS422 and RS485 standards, selectable via DIP switch. The slave ports operate as isolated RS232 interfaces.
- Auto Data Direction Control (RS485):
The RS485 master port supports automatic data direction control, simplifying communication setup and eliminating the need for manual RTS signal management.
- TX+ and RX+ can be shorted as DATA+
- TX– and RX– can be shorted as DATA–
- Compact and Durable Design:
Housed in a compact 90 × 150 × 27 mm enclosure, suitable for desktop or panel-mounted industrial environments.
- LED Status Indicators:
Four independent LED indicators display power and communication activity for each port (A, B, C, D).
- Universal Power Supply:
Operates with a 100–240 VAC input power adapter, outputting 5 VDC at 1000 mA. The device consumes approximately 400 mA at 5 VDC.
- Wide Environmental Tolerance:
Designed for industrial operating conditions with temperature and humidity resilience.
- Part of a Modular System:
Compatible with other Rayon S400 Series models (S232io, S434io, S234io), enabling scalable multi-segment serial communication networks.
### 3. Technical Specifications
Physical Characteristics:
- Dimensions: 90 mm (W) × 150 mm (L) × 27 mm (H)
- Weight: Not specified (lightweight aluminum or composite enclosure typical for S400 Series)
- Enclosure Material: Industrial-grade casing (Rayon standard, likely anodized aluminum or reinforced polymer)
- Color/Finish: Standard Rayon S400 Series finish
Electrical Characteristics:
- Power Input: 5 VDC ±5%
- Power Consumption: 400 mA @ 5 VDC
- Power Adapter: UP110/UP220 (US/EU type)
- Input: 100–240 VAC, 50/60 Hz
- Output: 5 VDC, 1000 mA
Serial Interface Configuration:
- Total Ports: 4 (A, B, C, D)
- Connector Type: DB9 male connectors (×4)
- Master Port (A): Isolated RS422/485
- Slave Ports (B, C, D): Isolated RS232
- Signal Pins (per port): TX+, TX–, RX+, RX–, Isolated GND
- RS485 Mode: Auto Data Direction Control supported
- RS422/RS485 Selection: Configurable via DIP switch
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 transmit/receive activity
- BTRX: Port B transmit/receive activity
- CTRX: Port C transmit/receive activity
- DTRX: Port D transmit/receive activity
### 4. Functionality
Operational Concept:
The S432io functions as a serial port distribution and isolation device. It enables a single RS422/485 master device (such as a PLC, data logger, or industrial controller) to communicate with up to three RS232 slave devices (such as sensors, meters, or terminals).
- Data Flow:
- Data from the master port (A) is simultaneously transmitted to all three slave ports (B, C, D).
- Data from any slave port (B, C, or D) is directed exclusively to the master port (A).
- Slave-to-slave communication is not supported, ensuring controlled data flow and preventing bus contention.
Use Cases and Applications:
- Industrial automation systems requiring multi-device communication from a single controller.
- Data acquisition and monitoring systems (e.g., connecting multiple RS232 sensors to an RS485-based controller).
- Utility metering and telemetry (e.g., water, gas, or power meters).
- Building management systems (BMS) and environmental monitoring.
- Laboratory instrumentation and process control.
- Integration of legacy RS232 devices into modern RS485/422 networks.
Compatibility:
- Compatible with standard RS232, RS422, and RS485 communication protocols.
- Works with PCs, PLCs, embedded controllers, and industrial communication cards (e.g., Rayon P1064 multi-port RS232 card).
- Can be integrated with other Rayon S400 Series devices for expanded network topologies.
### 5. Components & Accessories
Included Components:
- S432io Serial Port Sharer main unit
- UP110 or UP220 power adapter (region-specific)
- User documentation and configuration guide
Connectors:
- Four DB9 male connectors (Ports A–D)
- Power input jack (5 VDC)
Optional Accessories:
- DIN-rail mounting kit (if applicable)
- RS232/RS485/RS422 communication cables
- Additional Rayon S400 Series modules for network expansion
Related Models:
- S232io: Isolated RS232 master and 3 isolated RS232 slaves
- S434io: Isolated RS422/485 master and 3 isolated RS422/485 slaves
- S234io: Isolated RS232 master and 3 isolated RS422/485 slaves
### 6. Installation & Setup
Installation Requirements:
- Stable 5 VDC power supply (provided via included adapter)
- Proper grounding and isolation to prevent electrical interference
- Adequate ventilation for heat dissipation
Mounting Options:
- Desktop placement
- Panel or wall mounting (optional brackets)
- DIN-rail mounting (optional accessory)
Configuration Steps:
1. Set Interface Type:
Use the DIP switch to select RS422 or RS485 mode for the master port.
2. Connect Devices:
- Connect the RS422/485 master device to Port A.
- Connect up to three RS232 slave devices to Ports B, C, and D.
3. Power On:
Connect the 5 VDC adapter and verify the PWR LED is illuminated.
4. Verify Communication:
Observe ATRX, BTRX, CTRX, and DTRX LEDs for data activity.
5. Test Data Flow:
Ensure data from the master is received by all slaves and that responses from slaves reach the master only.
Safety Considerations:
- Maintain isolation between devices to prevent ground loops.
- Avoid exceeding rated voltage and current limits.
- Operate within specified environmental conditions.
### 7. Performance & Capabilities
Communication Performance:
- Supports standard RS232, RS422, and RS485 baud rates (typically up to 115.2 kbps or higher depending on cable length and environment).
- Auto Data Direction Control ensures efficient half-duplex communication in RS485 mode.
- Low latency data retransmission between master and slave ports.
Capacity and Scalability:
- One S432io supports one master and three slaves.
- Multiple units can be cascaded or combined with other S400 Series devices for larger systems.
- Example: In a data collection system, one S234io can support up to 90 meters; combining multiple units can scale to thousands of devices.
Efficiency and Reliability:
- Electrical isolation minimizes interference and signal degradation.
- LED indicators provide real-time diagnostic feedback.
- Compact design reduces installation space and simplifies wiring.
Limitations:
- Slave-to-slave communication not supported.
- RS485/RS422 mode selection must be configured manually via DIP switch.
- Requires external power supply (no bus-powered operation).
### 8. Standards & Compliance
Electrical and Communication Standards:
- RS232 (EIA/TIA-232)
- RS422 (EIA/TIA-422)
- RS485 (EIA/TIA-485)
Isolation and Safety:
- Ground isolation between all ports and external devices.
- Double isolation between any two external devices.
Regulatory Compliance:
- Designed to meet industrial EMC and safety standards (specific certifications not listed but typical for Rayon industrial products).
- CE and FCC compliance expected for electromagnetic compatibility.
Quality Assurance:
- Manufactured under Rayon Technology’s quality management system.
- All product names and trademarks are property of their respective organizations.
### 9. Additional Information
Warranty:
- Standard manufacturer warranty (typically one year, depending on region and distributor).
Technical Support:
- Direct support available via email (rayon@ms1.hinet.net).
- Documentation and firmware updates accessible through Rayon’s official website.
Maintenance:
- Minimal maintenance required.
- Periodic inspection of connectors and cables recommended.
- Ensure clean, dry environment to prevent corrosion or dust accumulation.
Firmware/Software Updates:
- The S432io operates as a hardware-level device and does not require firmware updates.
- Configuration is hardware-based via DIP switches and physical connections.
Product Family Integration:
The S432io is part of Rayon’s modular S400 Series, which includes multiple interface combinations to suit diverse communication requirements:
- S232io: ISO RS232 master to ISO RS232 slaves
- S434io: ISO RS422/485 master to ISO RS422/485 slaves
- S234io: ISO RS232 master to ISO RS422/485 slaves
These models can be combined to create complex, scalable serial communication networks for industrial and commercial applications.
### Summary
The Rayon S432io Serial Port Sharer is a robust, industrial-grade communication interface device that bridges one isolated RS422/485 master port to three isolated RS232 slave ports. It provides reliable, isolated, and simultaneous data distribution, ensuring safe and interference-free communication between multiple serial devices. With its compact design, flexible configuration, and strong isolation features, the S432io is ideal for industrial automation, data acquisition, and multi-device control systems.
Its combination of electrical isolation, auto-direction control, and modular scalability makes it a versatile solution for engineers and system integrators seeking to expand or protect serial communication networks in demanding environments.
Manufacturer:
RAYON TECHNOLOGY CO., LTD.
2F, No. 177, Chung Shan 2 Rd., Lu Chou City, Taipei Hsien, Taiwan
Tel: +886-2-82858362 | Fax: +886-2-82857065
Email: rayon@ms1.hinet.net
Web: [www.rayontech.com](http://www.rayontech.com)
### 1. Product Overview
Product Name: S432io
Model: S432io
Series: S400 Series – Serial Port Sharer
Article Number: S432io
Manufacturer: Rayon Technology Co., Ltd.
Manufacturer Address: 2F, No. 177, Chung Shan 2 Rd., Lu Chou City, Taipei Hsien, Taiwan
Contact Information:
- Tel: +886-2-82858362
- Fax: +886-2-82857065
- Email: rayon@ms1.hinet.net
- Websites: [www.rayontech.com](http://www.rayontech.com), [www.computex.com.tw/rayon](http://www.computex.com.tw/rayon)
Product Description:
The Rayon S432io is a ground-isolated serial port sharer designed to connect one isolated RS422/485 master port to three isolated RS232 slave ports. It enables simultaneous data distribution from a single master device to multiple slave devices while maintaining electrical isolation between all connected equipment. The S432io is part of Rayon’s S400 Series of serial communication interface devices, engineered for industrial automation, data acquisition, and multi-device communication environments requiring robust isolation and reliable signal integrity.
### 2. Key Features
- One-to-Three Port Sharing:
Allows one master port (RS422/485) to communicate with three slave ports (RS232) simultaneously. Data from the master is broadcast to all slaves, while data from any slave is directed only to the master.
- Full Electrical Isolation:
Both the master and slave ports are galvanically isolated, providing protection against ground loops, electrical noise, and potential differences between connected devices.
- Ground isolation between external devices and the S432io box.
- Double ground isolation between any two external devices.
- Flexible Interface Configuration:
The master port supports both RS422 and RS485 standards, selectable via DIP switch. The slave ports operate as isolated RS232 interfaces.
- Auto Data Direction Control (RS485):
The RS485 master port supports automatic data direction control, simplifying communication setup and eliminating the need for manual RTS signal management.
- TX+ and RX+ can be shorted as DATA+
- TX– and RX– can be shorted as DATA–
- Compact and Durable Design:
Housed in a compact 90 × 150 × 27 mm enclosure, suitable for desktop or panel-mounted industrial environments.
- LED Status Indicators:
Four independent LED indicators display power and communication activity for each port (A, B, C, D).
- Universal Power Supply:
Operates with a 100–240 VAC input power adapter, outputting 5 VDC at 1000 mA. The device consumes approximately 400 mA at 5 VDC.
- Wide Environmental Tolerance:
Designed for industrial operating conditions with temperature and humidity resilience.
- Part of a Modular System:
Compatible with other Rayon S400 Series models (S232io, S434io, S234io), enabling scalable multi-segment serial communication networks.
### 3. Technical Specifications
Physical Characteristics:
- Dimensions: 90 mm (W) × 150 mm (L) × 27 mm (H)
- Weight: Not specified (lightweight aluminum or composite enclosure typical for S400 Series)
- Enclosure Material: Industrial-grade casing (Rayon standard, likely anodized aluminum or reinforced polymer)
- Color/Finish: Standard Rayon S400 Series finish
Electrical Characteristics:
- Power Input: 5 VDC ±5%
- Power Consumption: 400 mA @ 5 VDC
- Power Adapter: UP110/UP220 (US/EU type)
- Input: 100–240 VAC, 50/60 Hz
- Output: 5 VDC, 1000 mA
Serial Interface Configuration:
- Total Ports: 4 (A, B, C, D)
- Connector Type: DB9 male connectors (×4)
- Master Port (A): Isolated RS422/485
- Slave Ports (B, C, D): Isolated RS232
- Signal Pins (per port): TX+, TX–, RX+, RX–, Isolated GND
- RS485 Mode: Auto Data Direction Control supported
- RS422/RS485 Selection: Configurable via DIP switch
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 transmit/receive activity
- BTRX: Port B transmit/receive activity
- CTRX: Port C transmit/receive activity
- DTRX: Port D transmit/receive activity
### 4. Functionality
Operational Concept:
The S432io functions as a serial port distribution and isolation device. It enables a single RS422/485 master device (such as a PLC, data logger, or industrial controller) to communicate with up to three RS232 slave devices (such as sensors, meters, or terminals).
- Data Flow:
- Data from the master port (A) is simultaneously transmitted to all three slave ports (B, C, D).
- Data from any slave port (B, C, or D) is directed exclusively to the master port (A).
- Slave-to-slave communication is not supported, ensuring controlled data flow and preventing bus contention.
Use Cases and Applications:
- Industrial automation systems requiring multi-device communication from a single controller.
- Data acquisition and monitoring systems (e.g., connecting multiple RS232 sensors to an RS485-based controller).
- Utility metering and telemetry (e.g., water, gas, or power meters).
- Building management systems (BMS) and environmental monitoring.
- Laboratory instrumentation and process control.
- Integration of legacy RS232 devices into modern RS485/422 networks.
Compatibility:
- Compatible with standard RS232, RS422, and RS485 communication protocols.
- Works with PCs, PLCs, embedded controllers, and industrial communication cards (e.g., Rayon P1064 multi-port RS232 card).
- Can be integrated with other Rayon S400 Series devices for expanded network topologies.
### 5. Components & Accessories
Included Components:
- S432io Serial Port Sharer main unit
- UP110 or UP220 power adapter (region-specific)
- User documentation and configuration guide
Connectors:
- Four DB9 male connectors (Ports A–D)
- Power input jack (5 VDC)
Optional Accessories:
- DIN-rail mounting kit (if applicable)
- RS232/RS485/RS422 communication cables
- Additional Rayon S400 Series modules for network expansion
Related Models:
- S232io: Isolated RS232 master and 3 isolated RS232 slaves
- S434io: Isolated RS422/485 master and 3 isolated RS422/485 slaves
- S234io: Isolated RS232 master and 3 isolated RS422/485 slaves
### 6. Installation & Setup
Installation Requirements:
- Stable 5 VDC power supply (provided via included adapter)
- Proper grounding and isolation to prevent electrical interference
- Adequate ventilation for heat dissipation
Mounting Options:
- Desktop placement
- Panel or wall mounting (optional brackets)
- DIN-rail mounting (optional accessory)
Configuration Steps:
1. Set Interface Type:
Use the DIP switch to select RS422 or RS485 mode for the master port.
2. Connect Devices:
- Connect the RS422/485 master device to Port A.
- Connect up to three RS232 slave devices to Ports B, C, and D.
3. Power On:
Connect the 5 VDC adapter and verify the PWR LED is illuminated.
4. Verify Communication:
Observe ATRX, BTRX, CTRX, and DTRX LEDs for data activity.
5. Test Data Flow:
Ensure data from the master is received by all slaves and that responses from slaves reach the master only.
Safety Considerations:
- Maintain isolation between devices to prevent ground loops.
- Avoid exceeding rated voltage and current limits.
- Operate within specified environmental conditions.
### 7. Performance & Capabilities
Communication Performance:
- Supports standard RS232, RS422, and RS485 baud rates (typically up to 115.2 kbps or higher depending on cable length and environment).
- Auto Data Direction Control ensures efficient half-duplex communication in RS485 mode.
- Low latency data retransmission between master and slave ports.
Capacity and Scalability:
- One S432io supports one master and three slaves.
- Multiple units can be cascaded or combined with other S400 Series devices for larger systems.
- Example: In a data collection system, one S234io can support up to 90 meters; combining multiple units can scale to thousands of devices.
Efficiency and Reliability:
- Electrical isolation minimizes interference and signal degradation.
- LED indicators provide real-time diagnostic feedback.
- Compact design reduces installation space and simplifies wiring.
Limitations:
- Slave-to-slave communication not supported.
- RS485/RS422 mode selection must be configured manually via DIP switch.
- Requires external power supply (no bus-powered operation).
### 8. Standards & Compliance
Electrical and Communication Standards:
- RS232 (EIA/TIA-232)
- RS422 (EIA/TIA-422)
- RS485 (EIA/TIA-485)
Isolation and Safety:
- Ground isolation between all ports and external devices.
- Double isolation between any two external devices.
Regulatory Compliance:
- Designed to meet industrial EMC and safety standards (specific certifications not listed but typical for Rayon industrial products).
- CE and FCC compliance expected for electromagnetic compatibility.
Quality Assurance:
- Manufactured under Rayon Technology’s quality management system.
- All product names and trademarks are property of their respective organizations.
### 9. Additional Information
Warranty:
- Standard manufacturer warranty (typically one year, depending on region and distributor).
Technical Support:
- Direct support available via email (rayon@ms1.hinet.net).
- Documentation and firmware updates accessible through Rayon’s official website.
Maintenance:
- Minimal maintenance required.
- Periodic inspection of connectors and cables recommended.
- Ensure clean, dry environment to prevent corrosion or dust accumulation.
Firmware/Software Updates:
- The S432io operates as a hardware-level device and does not require firmware updates.
- Configuration is hardware-based via DIP switches and physical connections.
Product Family Integration:
The S432io is part of Rayon’s modular S400 Series, which includes multiple interface combinations to suit diverse communication requirements:
- S232io: ISO RS232 master to ISO RS232 slaves
- S434io: ISO RS422/485 master to ISO RS422/485 slaves
- S234io: ISO RS232 master to ISO RS422/485 slaves
These models can be combined to create complex, scalable serial communication networks for industrial and commercial applications.
### Summary
The Rayon S432io Serial Port Sharer is a robust, industrial-grade communication interface device that bridges one isolated RS422/485 master port to three isolated RS232 slave ports. It provides reliable, isolated, and simultaneous data distribution, ensuring safe and interference-free communication between multiple serial devices. With its compact design, flexible configuration, and strong isolation features, the S432io is ideal for industrial automation, data acquisition, and multi-device control systems.
Its combination of electrical isolation, auto-direction control, and modular scalability makes it a versatile solution for engineers and system integrators seeking to expand or protect serial communication networks in demanding environments.
Manufacturer:
RAYON TECHNOLOGY CO., LTD.
2F, No. 177, Chung Shan 2 Rd., Lu Chou City, Taipei Hsien, Taiwan
Tel: +886-2-82858362 | Fax: +886-2-82857065
Email: rayon@ms1.hinet.net
Web: [www.rayontech.com](http://www.rayontech.com)
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S432io_Catalog.pdf
PDF Catalog
-
S400_Catalog.pdf
PDF Catalog
-
S234IO Application Note.pdf
Manual
No accessories available.