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EX9531
USB to RS-485/RS422 (isolated),RS-422 handshake
115,00 EUR
inkl. Umsatzsteuer 136,85 EUR
- Dual Protocol Support: Fully supports both RS-422 (full-duplex) and RS-485 (half-duplex) communication standards.
- Automatic Configuration: Jumperless auto-switching between RS-422 and RS-485 modes, simplifying setup and reducing configuration errors.
- Hardware Handshake: RS-422 mode supports RTS (Request to Send) and CTS (Clear to Send) handshake signals for reliable data flow control.
- Optical Isolation: Provides 3000 VDC isolation between USB and serial interfaces, protecting the host system from ground loops and voltage spikes.
- Surge Protection: Integrated transient suppressors safeguard data lines from high-voltage transients and electrostatic discharge.
- Automatic Baud Rate Detection: Supports baud rates from 300 bps up to 115.2 Kbps with automatic detection and configuration.
- Auto Direction Flow Control: Automatically manages data direction in RS-485 mode, ensuring transparent operation for half-duplex communication.
- Wide Temperature Range: Operates reliably from -25°C to +75°C, suitable for harsh industrial environments.
- Power and Data Indicators: LED indicators for power and data transmission/reception simplify troubleshooting and monitoring.
- DIN-Rail and Panel Mounting: Includes mounting accessories for flexible installation in control cabinets or on panels.
- Driver Compatibility: Supports Windows 95/98/ME/2000/XP and Linux operating systems.
- Self-Powered: Draws power directly from the USB bus, eliminating the need for an external power supply.
- Automatic Configuration: Jumperless auto-switching between RS-422 and RS-485 modes, simplifying setup and reducing configuration errors.
- Hardware Handshake: RS-422 mode supports RTS (Request to Send) and CTS (Clear to Send) handshake signals for reliable data flow control.
- Optical Isolation: Provides 3000 VDC isolation between USB and serial interfaces, protecting the host system from ground loops and voltage spikes.
- Surge Protection: Integrated transient suppressors safeguard data lines from high-voltage transients and electrostatic discharge.
- Automatic Baud Rate Detection: Supports baud rates from 300 bps up to 115.2 Kbps with automatic detection and configuration.
- Auto Direction Flow Control: Automatically manages data direction in RS-485 mode, ensuring transparent operation for half-duplex communication.
- Wide Temperature Range: Operates reliably from -25°C to +75°C, suitable for harsh industrial environments.
- Power and Data Indicators: LED indicators for power and data transmission/reception simplify troubleshooting and monitoring.
- DIN-Rail and Panel Mounting: Includes mounting accessories for flexible installation in control cabinets or on panels.
- Driver Compatibility: Supports Windows 95/98/ME/2000/XP and Linux operating systems.
- Self-Powered: Draws power directly from the USB bus, eliminating the need for an external power supply.
1. Product Overview
Product Name: EX9531
Model: EX-9531
Series: ExpertDAQ Industrial USB-to-Serial Converter Series
Article Number: EX9531
Manufacturer: ExpertDAQ
The ExpertDAQ EX9531 is a professional-grade, isolated USB-to-RS-485/RS-422 converter designed for industrial and automation environments. It provides a reliable interface between a computer’s USB port and serial communication networks, enabling seamless integration of legacy serial devices with modern computing systems. The EX9531 supports both RS-422 and RS-485 communication standards, offering full-duplex and half-duplex operation modes, automatic baud rate detection, and hardware handshake capabilities. Its robust isolation, surge protection, and wide operating temperature range make it suitable for demanding industrial applications.
2. Key Features
- Dual Protocol Support: Fully supports both RS-422 (full-duplex) and RS-485 (half-duplex) communication standards.
- Automatic Configuration: Jumperless auto-switching between RS-422 and RS-485 modes, simplifying setup and reducing configuration errors.
- Hardware Handshake: RS-422 mode supports RTS (Request to Send) and CTS (Clear to Send) handshake signals for reliable data flow control.
- Optical Isolation: Provides 3000 VDC isolation between USB and serial interfaces, protecting the host system from ground loops and voltage spikes.
- Surge Protection: Integrated transient suppressors safeguard data lines from high-voltage transients and electrostatic discharge.
- Automatic Baud Rate Detection: Supports baud rates from 300 bps up to 115.2 Kbps with automatic detection and configuration.
- Auto Direction Flow Control: Automatically manages data direction in RS-485 mode, ensuring transparent operation for half-duplex communication.
- Wide Temperature Range: Operates reliably from -25°C to +75°C, suitable for harsh industrial environments.
- Power and Data Indicators: LED indicators for power and data transmission/reception simplify troubleshooting and monitoring.
- DIN-Rail and Panel Mounting: Includes mounting accessories for flexible installation in control cabinets or on panels.
- Driver Compatibility: Supports Windows 95/98/ME/2000/XP and Linux operating systems.
- Self-Powered: Draws power directly from the USB bus, eliminating the need for an external power supply.
3. Technical Specifications
- USB Controller: Compliant with USB Specification 1.1
- USB Interface Connector: USB Type B
- Serial Interface: RS-422 / RS-485 (auto-switching, jumperless)
- Handshake Signals: RTS and CTS supported in RS-422 mode
- Baud Rate Range: 300 bps to 115.2 Kbps (auto-switching)
- Isolation Voltage: 3000 VDC between USB and serial sides
- Surge Protection: Integrated transient suppression on data lines
- RS-422/RS-485 Connector: Plug-in screw terminal block
- Wire Gauge Supported: AWG #12 to #22 (0.5 to 2.5 mm²)
- Power Requirement: USB bus-powered (self-powered)
- Power Consumption: 0.65 W
- Case Material: ABS plastic with captive mounting hardware
- Operating Temperature: 0°C to +70°C (32°F to 158°F)
- Storage Temperature: -25°C to +85°C (-13°F to +185°F)
- Humidity: 5% to 95% RH, non-condensing
- Dimensions: 7.2 cm (L) × 5.55 cm (W) × 5.0 cm (H)
- Weight: Approximately 100 g (typical, including housing and connectors)
- Isolation Side: RS-422/RS-485 interface
4. Functionality
The EX9531 functions as an intelligent USB-to-serial converter that allows a PC or embedded system to communicate with RS-422 or RS-485 devices through a standard USB port. It automatically detects the communication standard (RS-422 or RS-485) and configures itself accordingly, eliminating the need for manual jumper settings.
In RS-422 mode, the converter supports full-duplex communication with separate transmit (TX+/TX−) and receive (RX+/RX−) lines, along with RTS/CTS handshake lines for flow control. This mode is ideal for point-to-point or multi-drop communication where simultaneous bidirectional data transfer is required.
In RS-485 mode, the EX9531 operates in half-duplex mode, using a single differential pair for both transmission and reception. The device automatically manages data direction, ensuring transparent operation for software applications originally written for standard COM ports.
Typical Use Cases:
- Industrial automation and control systems
- SCADA and PLC communication
- Remote monitoring and data acquisition
- Serial device networking (sensors, meters, controllers)
- Integration of legacy RS-422/485 equipment with modern PCs
- Laboratory instrumentation and test setups
Compatibility:
The EX9531 is compatible with standard USB ports on PCs, laptops, and industrial computers. It appears as a virtual COM port in the operating system, allowing existing serial communication software to operate without modification.
5. Components & Accessories
Included Items:
- EX9531 USB-to-RS-485/RS-422 Converter Module
- Nylon DIN-rail mounting adapter
- SECC panel mounting bracket
- Plug-in screw terminal block for RS-422/RS-485 connection
- User manual and driver software (available for Windows and Linux)
Optional Accessories:
- USB Type A to Type B cable (standard USB connection)
- Additional DIN-rail clips or panel brackets for multi-unit installations
- Termination resistors (user-supplied, depending on cable length and network topology)
Connectors:
- USB Type B Port: For connection to host computer or USB hub
- RS-422/RS-485 Terminal Block: 10-pin plug-in screw terminal
- TX+/D+, TX−/D− (transmit or data lines)
- RX+, RX− (receive lines for RS-422)
- RTS+, RTS− (request-to-send lines)
- CTS+, CTS− (clear-to-send lines)
- F.GND (frame ground)
6. Installation & Setup
Requirements:
- Available USB port (USB 1.1 or higher)
- Supported operating system (Windows 95/98/ME/2000/XP or Linux)
- Appropriate drivers installed (provided by ExpertDAQ)
Mounting Options:
- DIN-Rail Mounting: Using the included nylon adapter for quick installation in control cabinets.
- Panel Mounting: Using the SECC bracket for fixed installations on flat surfaces.
Configuration:
- The EX9531 requires no manual jumper settings; it automatically detects whether RS-422 or RS-485 mode is needed.
- Termination resistors can be added as required based on cable length:
- 120 Ω for ~1.2 km
- 220 Ω for ~600 m
- 330 Ω for ~300 m
Driver Installation (Windows 98 Example):
1. Connect the EX9531 to the computer’s USB port or hub.
2. Open the Control Panel and select “Add New Hardware Wizard.”
3. Follow the prompts to search for and install the appropriate driver.
4. Once installed, the device appears as a new COM port in Device Manager.
5. The converter can now be used with any standard serial communication software.
Indicators:
- Power LED: Confirms USB power supply.
- Data LEDs: Indicate transmission (TX) and reception (RX) activity for troubleshooting.
7. Performance & Capabilities
- Data Rate: Supports baud rates from 300 bps to 115.2 Kbps with automatic detection.
- Transmission Distance: Up to 1200 meters (RS-485 mode) depending on cable quality and termination.
- Isolation Protection: 3000 VDC optical isolation between USB and serial sides ensures reliable operation in electrically noisy environments.
- Surge Protection: Built-in transient suppressors protect against voltage spikes and ESD events.
- Power Efficiency: Consumes only 0.65 W from the USB bus, minimizing power draw.
- Reliability: Designed for continuous operation in industrial environments with wide temperature and humidity tolerance.
- Limitations:
- Maximum baud rate limited to 115.2 Kbps.
- USB 1.1 interface (compatible with USB 2.0/3.0 ports but limited to 12 Mbps).
- Single serial port per module (expandable via multiple units).
8. Standards & Compliance
- USB Compliance: Fully compliant with USB Specification 1.1
- Serial Standards: Supports EIA/TIA RS-422 and RS-485 communication protocols
- Isolation Standard: 3000 VDC optical isolation
- Environmental Compliance: Designed for industrial temperature and humidity ranges
- Safety & EMC: Internal surge suppression and transient protection for compliance with industrial EMC requirements
- RoHS Compliance: Manufactured using lead-free, environmentally safe materials (where applicable)
9. Additional Information
Warranty:
ExpertDAQ provides a standard manufacturer’s warranty covering defects in materials and workmanship. Warranty terms may vary by region and distributor but typically include a one-year limited warranty.
Technical Support:
Comprehensive technical support is available through ExpertDAQ’s website, including driver downloads, manuals, and troubleshooting guides. Support is also available via email or authorized distributors.
Maintenance:
The EX9531 requires minimal maintenance. Periodic inspection of terminal connections and cable integrity is recommended. Ensure that the device remains free from dust and moisture for optimal performance.
Firmware & Driver Updates:
Updated drivers and firmware (if applicable) are available from ExpertDAQ’s official support portal. Users are encouraged to maintain the latest driver versions for improved compatibility and performance.
Service Life & Reliability:
Designed for long-term industrial use, the EX9531’s solid-state design and optical isolation ensure high reliability and extended service life even in harsh electrical environments.
Summary
The ExpertDAQ EX9531 is a robust, isolated USB-to-RS-485/RS-422 converter engineered for industrial communication applications. It bridges modern USB interfaces with legacy serial networks, offering automatic configuration, hardware handshaking, and comprehensive protection features. With 3000 VDC isolation, surge suppression, and wide environmental tolerance, it ensures reliable data transmission in demanding conditions. Its plug-and-play design, self-powered operation, and flexible mounting options make it an ideal solution for system integrators, automation engineers, and industrial control professionals seeking dependable serial connectivity.
Product Name: EX9531
Model: EX-9531
Series: ExpertDAQ Industrial USB-to-Serial Converter Series
Article Number: EX9531
Manufacturer: ExpertDAQ
The ExpertDAQ EX9531 is a professional-grade, isolated USB-to-RS-485/RS-422 converter designed for industrial and automation environments. It provides a reliable interface between a computer’s USB port and serial communication networks, enabling seamless integration of legacy serial devices with modern computing systems. The EX9531 supports both RS-422 and RS-485 communication standards, offering full-duplex and half-duplex operation modes, automatic baud rate detection, and hardware handshake capabilities. Its robust isolation, surge protection, and wide operating temperature range make it suitable for demanding industrial applications.
2. Key Features
- Dual Protocol Support: Fully supports both RS-422 (full-duplex) and RS-485 (half-duplex) communication standards.
- Automatic Configuration: Jumperless auto-switching between RS-422 and RS-485 modes, simplifying setup and reducing configuration errors.
- Hardware Handshake: RS-422 mode supports RTS (Request to Send) and CTS (Clear to Send) handshake signals for reliable data flow control.
- Optical Isolation: Provides 3000 VDC isolation between USB and serial interfaces, protecting the host system from ground loops and voltage spikes.
- Surge Protection: Integrated transient suppressors safeguard data lines from high-voltage transients and electrostatic discharge.
- Automatic Baud Rate Detection: Supports baud rates from 300 bps up to 115.2 Kbps with automatic detection and configuration.
- Auto Direction Flow Control: Automatically manages data direction in RS-485 mode, ensuring transparent operation for half-duplex communication.
- Wide Temperature Range: Operates reliably from -25°C to +75°C, suitable for harsh industrial environments.
- Power and Data Indicators: LED indicators for power and data transmission/reception simplify troubleshooting and monitoring.
- DIN-Rail and Panel Mounting: Includes mounting accessories for flexible installation in control cabinets or on panels.
- Driver Compatibility: Supports Windows 95/98/ME/2000/XP and Linux operating systems.
- Self-Powered: Draws power directly from the USB bus, eliminating the need for an external power supply.
3. Technical Specifications
- USB Controller: Compliant with USB Specification 1.1
- USB Interface Connector: USB Type B
- Serial Interface: RS-422 / RS-485 (auto-switching, jumperless)
- Handshake Signals: RTS and CTS supported in RS-422 mode
- Baud Rate Range: 300 bps to 115.2 Kbps (auto-switching)
- Isolation Voltage: 3000 VDC between USB and serial sides
- Surge Protection: Integrated transient suppression on data lines
- RS-422/RS-485 Connector: Plug-in screw terminal block
- Wire Gauge Supported: AWG #12 to #22 (0.5 to 2.5 mm²)
- Power Requirement: USB bus-powered (self-powered)
- Power Consumption: 0.65 W
- Case Material: ABS plastic with captive mounting hardware
- Operating Temperature: 0°C to +70°C (32°F to 158°F)
- Storage Temperature: -25°C to +85°C (-13°F to +185°F)
- Humidity: 5% to 95% RH, non-condensing
- Dimensions: 7.2 cm (L) × 5.55 cm (W) × 5.0 cm (H)
- Weight: Approximately 100 g (typical, including housing and connectors)
- Isolation Side: RS-422/RS-485 interface
4. Functionality
The EX9531 functions as an intelligent USB-to-serial converter that allows a PC or embedded system to communicate with RS-422 or RS-485 devices through a standard USB port. It automatically detects the communication standard (RS-422 or RS-485) and configures itself accordingly, eliminating the need for manual jumper settings.
In RS-422 mode, the converter supports full-duplex communication with separate transmit (TX+/TX−) and receive (RX+/RX−) lines, along with RTS/CTS handshake lines for flow control. This mode is ideal for point-to-point or multi-drop communication where simultaneous bidirectional data transfer is required.
In RS-485 mode, the EX9531 operates in half-duplex mode, using a single differential pair for both transmission and reception. The device automatically manages data direction, ensuring transparent operation for software applications originally written for standard COM ports.
Typical Use Cases:
- Industrial automation and control systems
- SCADA and PLC communication
- Remote monitoring and data acquisition
- Serial device networking (sensors, meters, controllers)
- Integration of legacy RS-422/485 equipment with modern PCs
- Laboratory instrumentation and test setups
Compatibility:
The EX9531 is compatible with standard USB ports on PCs, laptops, and industrial computers. It appears as a virtual COM port in the operating system, allowing existing serial communication software to operate without modification.
5. Components & Accessories
Included Items:
- EX9531 USB-to-RS-485/RS-422 Converter Module
- Nylon DIN-rail mounting adapter
- SECC panel mounting bracket
- Plug-in screw terminal block for RS-422/RS-485 connection
- User manual and driver software (available for Windows and Linux)
Optional Accessories:
- USB Type A to Type B cable (standard USB connection)
- Additional DIN-rail clips or panel brackets for multi-unit installations
- Termination resistors (user-supplied, depending on cable length and network topology)
Connectors:
- USB Type B Port: For connection to host computer or USB hub
- RS-422/RS-485 Terminal Block: 10-pin plug-in screw terminal
- TX+/D+, TX−/D− (transmit or data lines)
- RX+, RX− (receive lines for RS-422)
- RTS+, RTS− (request-to-send lines)
- CTS+, CTS− (clear-to-send lines)
- F.GND (frame ground)
6. Installation & Setup
Requirements:
- Available USB port (USB 1.1 or higher)
- Supported operating system (Windows 95/98/ME/2000/XP or Linux)
- Appropriate drivers installed (provided by ExpertDAQ)
Mounting Options:
- DIN-Rail Mounting: Using the included nylon adapter for quick installation in control cabinets.
- Panel Mounting: Using the SECC bracket for fixed installations on flat surfaces.
Configuration:
- The EX9531 requires no manual jumper settings; it automatically detects whether RS-422 or RS-485 mode is needed.
- Termination resistors can be added as required based on cable length:
- 120 Ω for ~1.2 km
- 220 Ω for ~600 m
- 330 Ω for ~300 m
Driver Installation (Windows 98 Example):
1. Connect the EX9531 to the computer’s USB port or hub.
2. Open the Control Panel and select “Add New Hardware Wizard.”
3. Follow the prompts to search for and install the appropriate driver.
4. Once installed, the device appears as a new COM port in Device Manager.
5. The converter can now be used with any standard serial communication software.
Indicators:
- Power LED: Confirms USB power supply.
- Data LEDs: Indicate transmission (TX) and reception (RX) activity for troubleshooting.
7. Performance & Capabilities
- Data Rate: Supports baud rates from 300 bps to 115.2 Kbps with automatic detection.
- Transmission Distance: Up to 1200 meters (RS-485 mode) depending on cable quality and termination.
- Isolation Protection: 3000 VDC optical isolation between USB and serial sides ensures reliable operation in electrically noisy environments.
- Surge Protection: Built-in transient suppressors protect against voltage spikes and ESD events.
- Power Efficiency: Consumes only 0.65 W from the USB bus, minimizing power draw.
- Reliability: Designed for continuous operation in industrial environments with wide temperature and humidity tolerance.
- Limitations:
- Maximum baud rate limited to 115.2 Kbps.
- USB 1.1 interface (compatible with USB 2.0/3.0 ports but limited to 12 Mbps).
- Single serial port per module (expandable via multiple units).
8. Standards & Compliance
- USB Compliance: Fully compliant with USB Specification 1.1
- Serial Standards: Supports EIA/TIA RS-422 and RS-485 communication protocols
- Isolation Standard: 3000 VDC optical isolation
- Environmental Compliance: Designed for industrial temperature and humidity ranges
- Safety & EMC: Internal surge suppression and transient protection for compliance with industrial EMC requirements
- RoHS Compliance: Manufactured using lead-free, environmentally safe materials (where applicable)
9. Additional Information
Warranty:
ExpertDAQ provides a standard manufacturer’s warranty covering defects in materials and workmanship. Warranty terms may vary by region and distributor but typically include a one-year limited warranty.
Technical Support:
Comprehensive technical support is available through ExpertDAQ’s website, including driver downloads, manuals, and troubleshooting guides. Support is also available via email or authorized distributors.
Maintenance:
The EX9531 requires minimal maintenance. Periodic inspection of terminal connections and cable integrity is recommended. Ensure that the device remains free from dust and moisture for optimal performance.
Firmware & Driver Updates:
Updated drivers and firmware (if applicable) are available from ExpertDAQ’s official support portal. Users are encouraged to maintain the latest driver versions for improved compatibility and performance.
Service Life & Reliability:
Designed for long-term industrial use, the EX9531’s solid-state design and optical isolation ensure high reliability and extended service life even in harsh electrical environments.
Summary
The ExpertDAQ EX9531 is a robust, isolated USB-to-RS-485/RS-422 converter engineered for industrial communication applications. It bridges modern USB interfaces with legacy serial networks, offering automatic configuration, hardware handshaking, and comprehensive protection features. With 3000 VDC isolation, surge suppression, and wide environmental tolerance, it ensures reliable data transmission in demanding conditions. Its plug-and-play design, self-powered operation, and flexible mounting options make it an ideal solution for system integrators, automation engineers, and industrial control professionals seeking dependable serial connectivity.
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