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EX9065HD-M
5*DI (Isolation), 5*Relay, RS485, LED, Modbus w WDT
148,00 EUR
including VAT 176.12 EUR
- Dual Functionality: Combines 5 relay outputs (Form A) and 4 isolated digital inputs in a single compact module.
- High Isolation: 4000 V surge strength on relay outputs and 3750 Vrms isolation on digital inputs ensure electrical protection and noise immunity.
- RS‑485 Communication: Two‑wire RS‑485 interface supporting Modbus RTU protocol for easy integration into industrial automation systems.
- Wide Baud Rate Range: Configurable communication speeds from 1200 bps to 115.2 kbps.
- High Load Capacity: Each relay channel supports up to 5 A at 250 VAC or 30 VDC.
- LED Indicators: 11 status LEDs provide real‑time visual feedback for input/output channel states and module status.
- Extended Temperature Range: Operates reliably from −25 °C to +75 °C, suitable for field and factory environments.
- Dual Watchdog System: Hardware and host watchdogs ensure continuous operation and fail‑safe output control.
- Galvanic Isolation: Complete isolation between input, output, and communication circuits to prevent ground loops.
- Compact and Modular Design: DIN‑rail mountable form factor for easy installation in control cabinets.
- Modbus RTU Compatibility: Fully compliant with Modbus RTU standard, supporting standard function codes for read/write operations.
- EEPROM Configuration Storage: Retains address, baud rate, and configuration settings even after power loss.
- INIT* Mode: Built‑in initialization mode for resetting configuration parameters and recovering forgotten settings.
- Power‑Efficient Operation: Low power consumption (approx. 1.5 W typical).
- Long Relay Life: Minimum mechanical life of 10⁵ operations per channel.
- Flexible Power Supply: Accepts 10 – 30 V DC input voltage range.
- Network Scalability: Supports up to 256 modules on a single RS‑485 bus (up to 1200 m cable length without repeater).
- High Isolation: 4000 V surge strength on relay outputs and 3750 Vrms isolation on digital inputs ensure electrical protection and noise immunity.
- RS‑485 Communication: Two‑wire RS‑485 interface supporting Modbus RTU protocol for easy integration into industrial automation systems.
- Wide Baud Rate Range: Configurable communication speeds from 1200 bps to 115.2 kbps.
- High Load Capacity: Each relay channel supports up to 5 A at 250 VAC or 30 VDC.
- LED Indicators: 11 status LEDs provide real‑time visual feedback for input/output channel states and module status.
- Extended Temperature Range: Operates reliably from −25 °C to +75 °C, suitable for field and factory environments.
- Dual Watchdog System: Hardware and host watchdogs ensure continuous operation and fail‑safe output control.
- Galvanic Isolation: Complete isolation between input, output, and communication circuits to prevent ground loops.
- Compact and Modular Design: DIN‑rail mountable form factor for easy installation in control cabinets.
- Modbus RTU Compatibility: Fully compliant with Modbus RTU standard, supporting standard function codes for read/write operations.
- EEPROM Configuration Storage: Retains address, baud rate, and configuration settings even after power loss.
- INIT* Mode: Built‑in initialization mode for resetting configuration parameters and recovering forgotten settings.
- Power‑Efficient Operation: Low power consumption (approx. 1.5 W typical).
- Long Relay Life: Minimum mechanical life of 10⁵ operations per channel.
- Flexible Power Supply: Accepts 10 – 30 V DC input voltage range.
- Network Scalability: Supports up to 256 modules on a single RS‑485 bus (up to 1200 m cable length without repeater).
Comprehensive Product Summary – ExpertDAQ EX9065HD‑M
### 1. Product Overview
Product Name: ExpertDAQ EX9065HD‑M
Model Number: EX9065HD‑M
Series: EX‑9000 Series Digital I/O Modules
Article Number: EX9065HD‑M
Manufacturer: ExpertDAQ (Expert Data Acquisition Systems)
The ExpertDAQ EX9065HD‑M is a rugged, industrial‑grade RS‑485 relay and digital input/output module designed for distributed control and monitoring applications. It integrates five isolated relay output channels and four isolated digital input channels, communicating via the Modbus RTU protocol over a two‑wire RS‑485 interface. The module is engineered for high reliability, extended temperature operation, and robust electrical isolation, making it suitable for harsh industrial environments. It includes hardware and software watchdog timers (WDT) for system reliability and supports up to 256 modules on a single RS‑485 network.
### 2. Key Features
- Dual Functionality: Combines 5 relay outputs (Form A) and 4 isolated digital inputs in a single compact module.
- High Isolation: 4000 V surge strength on relay outputs and 3750 Vrms isolation on digital inputs ensure electrical protection and noise immunity.
- RS‑485 Communication: Two‑wire RS‑485 interface supporting Modbus RTU protocol for easy integration into industrial automation systems.
- Wide Baud Rate Range: Configurable communication speeds from 1200 bps to 115.2 kbps.
- High Load Capacity: Each relay channel supports up to 5 A at 250 VAC or 30 VDC.
- LED Indicators: 11 status LEDs provide real‑time visual feedback for input/output channel states and module status.
- Extended Temperature Range: Operates reliably from −25 °C to +75 °C, suitable for field and factory environments.
- Dual Watchdog System: Hardware and host watchdogs ensure continuous operation and fail‑safe output control.
- Galvanic Isolation: Complete isolation between input, output, and communication circuits to prevent ground loops.
- Compact and Modular Design: DIN‑rail mountable form factor for easy installation in control cabinets.
- Modbus RTU Compatibility: Fully compliant with Modbus RTU standard, supporting standard function codes for read/write operations.
- EEPROM Configuration Storage: Retains address, baud rate, and configuration settings even after power loss.
- INIT* Mode: Built‑in initialization mode for resetting configuration parameters and recovering forgotten settings.
- Power‑Efficient Operation: Low power consumption (approx. 1.5 W typical).
- Long Relay Life: Minimum mechanical life of 10⁵ operations per channel.
- Flexible Power Supply: Accepts 10 – 30 V DC input voltage range.
- Network Scalability: Supports up to 256 modules on a single RS‑485 bus (up to 1200 m cable length without repeater).
### 3. Technical Specifications
Communication Interface:
- Type: RS‑485, 2‑wire half‑duplex
- Protocol: Modbus RTU
- Baud Rates: 1200, 2400, 4800, 9600, 19.2 k, 38.4 k, 57.6 k, 115.2 k bps
- Default Settings: Address = 01, Baud = 9600 bps, Protocol = Modbus RTU
Digital Inputs:
- Channels: 4 isolated input channels (common source)
- Input Impedance: 3 kΩ
- Logic Level 0: ≤ +1 V
- Logic Level 1: +4 V – +30 V
- Isolation Voltage: 3750 Vrms
- Input Type: Dry contact, open collector, or TTL/CMOS compatible
Relay Outputs:
- Channels: 5 relay output channels (Form A, normally open)
- Contact Rating: 5 A @ 250 VAC / 5 A @ 30 VDC
- Surge Strength: 4000 V
- Operate Time: ≤ 6 ms
- Release Time: ≤ 3 ms
- Minimum Life: 10⁵ operations
- Dielectric Strength: 2500 Vrms
- Load Voltage Range: 24 – 265 Vrms (AC) / 3 – 30 VDC (DC)
- Leakage Current: ≤ 1.5 mA rms (AC), ≤ 0.1 mA (DC)
Power Requirements:
- Supply Voltage: +10 V DC – +30 V DC
- Power Consumption: 1.5 W typical
Environmental Conditions:
- Operating Temperature: −25 °C to +75 °C
- Storage Temperature: −30 °C to +75 °C
- Humidity: 10 % – 90 % RH, non‑condensing
Indicators:
- 11 LEDs for digital input/output status and module power indication
Isolation & Protection:
- I/O to logic isolation: 3750 Vrms
- Communication to I/O isolation: 4000 V surge protection
- Galvanic isolation between all channels
Mechanical:
- Mounting: DIN‑rail or panel mount
- Enclosure: Industrial‑grade plastic housing
- Dimensions: (typical for EX‑9000 series) approx. 72 mm × 118 mm × 39 mm
- Weight: Approx. 200 g
### 4. Functionality
The EX9065HD‑M functions as a distributed digital I/O node in an RS‑485 network. It provides five relay outputs for controlling external devices such as solenoids, contactors, lamps, or alarms, and four isolated digital inputs for monitoring switches, sensors, or logic signals. Communication with a host controller (PLC, SCADA, or PC) occurs via Modbus RTU commands.
Operation Principle:
- The host sends Modbus commands to read input states or set output relays.
- Each relay output can be individually controlled or updated in groups.
- Input channels can be read in real time or latched to capture transient pulses.
- The module stores configuration parameters (address, baud rate, checksum) in EEPROM.
- Dual watchdogs monitor both module and host communication, ensuring outputs revert to safe states during faults.
Use Cases & Applications:
- Industrial automation and process control
- Remote monitoring and control systems
- Building automation (lighting, HVAC, access control)
- Energy management and power distribution
- Machine control and safety interlocks
- Environmental monitoring systems
Compatibility:
- Compatible with any Modbus RTU master (PLC, HMI, SCADA, or PC software).
- Supports up to 256 modules on a single RS‑485 bus.
- Works with ExpertDAQ configuration software or manual Modbus command setup.
### 5. Components & Accessories
Included Items:
- EX9065HD‑M module
- Quick start guide and documentation
- Mounting clips for DIN‑rail installation
Optional Accessories:
- RS‑485 to USB or RS‑232 converters
- RS‑485 repeaters for extended cable runs (> 1200 m)
- External power supply (10 – 30 V DC)
- Terminal blocks and wiring harnesses
Connectors:
- Screw‑type terminal blocks for power, inputs, and outputs
- RS‑485 communication terminals (D+, D−, GND)
- INIT* switch or pin for configuration reset
### 6. Installation & Setup
Requirements:
- DC power supply (10 – 30 V DC)
- RS‑485 network connection (twisted pair cable, up to 1200 m)
- Host controller or PC with Modbus RTU master software
Mounting Options:
- Standard 35 mm DIN‑rail mounting
- Panel mounting via optional brackets
Configuration Steps:
1. Power Connection: Connect +V and GND to a regulated DC power source.
2. RS‑485 Wiring: Connect D+ and D− lines to the RS‑485 bus.
3. Address & Baud Rate: Default address = 01, baud = 9600 bps. Adjust via Modbus commands or INIT* mode if necessary.
4. INIT* Mode: Activate by connecting INIT* pin to GND or sliding the INIT* switch to “Init” position, then power on.
5. Communication Test: Use Modbus RTU master software to verify connectivity.
6. I/O Wiring: Connect input sensors and output loads according to wiring diagrams (supports dry contact, open collector, or TTL inputs).
7. Verification: Observe LED indicators for channel status confirmation.
### 7. Performance & Capabilities
Speed & Communication:
- Supports baud rates up to 115.2 kbps for fast data exchange.
- Response time typically within milliseconds for I/O operations.
Capacity:
- 5 relay outputs, 4 digital inputs per module.
- Up to 256 modules per RS‑485 network (address range 1–247 for Modbus).
Efficiency:
- Low power consumption (1.5 W typical).
- Efficient relay switching with short operate/release times (6 ms/3 ms).
Reliability & Safety:
- Dual watchdog system ensures continuous operation.
- Safe Value and Power‑On Value settings define output states during startup or communication loss.
- EEPROM retains configuration and safe states after power cycles.
Limitations:
- Relay outputs limited to 5 A @ 250 VAC or 30 VDC.
- Maximum cable length without repeater: 1200 m.
- Host must periodically send “Host OK” command to prevent watchdog timeout.
### 8. Standards & Compliance
Communication Standards:
- Modbus RTU protocol compliant (supports function codes 01, 02, 03, 04, 05, 06, 0F, etc.)
- RS‑485 electrical standard (TIA/EIA‑485‑A)
Electrical & Safety:
- Isolation: 3750 Vrms (input), 4000 V surge (output)
- Dielectric strength: 2500 Vrms between channels
- EMC protection suitable for industrial environments
Environmental Compliance:
- Designed for industrial temperature range (−25 °C to +75 °C)
- RoHS‑compliant materials and construction
Quality & Reliability:
- Factory‑tested for electrical isolation and functional performance
- Meets industrial automation reliability standards
### 9. Additional Information
Watchdog Timers (WDT):
- Module Watchdog: Hardware circuit monitors internal operation; automatically resets module if malfunction detected.
- Host Watchdog: Software timer monitors communication from host; if timeout occurs, outputs revert to predefined Safe Value.
- Configuration: Adjustable timeout interval (0.1 s – 25.5 s, set via Modbus command ~AA3EVV).
Safe & Power‑On Values:
- Safe Value: Output state applied when host watchdog timeout occurs.
- Power‑On Value: Output state applied after power‑up or reset.
- Both values configurable via Modbus commands (~AA4V, ~AA5V).
Maintenance:
- No periodic calibration required.
- Regular inspection of wiring and terminal connections recommended.
- Relay contacts should be checked periodically for wear in high‑load applications.
Firmware & Updates:
- Firmware version readable via Modbus command ($AAF).
- Module name and protocol mode configurable via Modbus commands (~AAO, $AAPN).
Warranty & Support:
- Standard manufacturer warranty (typically 2 years, depending on region).
- Technical support and firmware updates available from ExpertDAQ.
- Documentation, Modbus mapping tables, and configuration utilities downloadable from manufacturer’s website.
Modbus Mapping Summary (EX9065HD‑M):
- Digital Inputs (DI0–DI3): Addresses 00033–00036
- DI Latch High/Low: 00065–00100
- Clear Latch: 00264 (write)
- Digital Input Counters: 30001–30004
- Clear Counters: 00513–00516 (write)
- Digital Outputs (DO1–DO5): 00001–00005 (read/write)
- Safe/Power‑On Values: 0x0080–0x00A4 (write via function 15)
Network Integration:
- Supports Modbus function codes for reading/writing coils, discrete inputs, and registers.
- Compatible with SCADA systems, PLCs, and industrial PCs.
- Can be integrated into distributed I/O networks for process automation.
### Summary
The ExpertDAQ EX9065HD‑M is a versatile, high‑isolation RS‑485 relay and digital input module optimized for industrial automation and remote control applications. With five relay outputs, four isolated digital inputs, Modbus RTU communication, and dual watchdog protection, it delivers reliable performance in demanding environments. Its wide operating temperature range, robust electrical isolation, and flexible configuration options make it ideal for distributed control systems, machine automation, and process monitoring. The module’s combination of compact design, Modbus compatibility, and fail‑safe operation ensures dependable integration into modern industrial networks.
### 1. Product Overview
Product Name: ExpertDAQ EX9065HD‑M
Model Number: EX9065HD‑M
Series: EX‑9000 Series Digital I/O Modules
Article Number: EX9065HD‑M
Manufacturer: ExpertDAQ (Expert Data Acquisition Systems)
The ExpertDAQ EX9065HD‑M is a rugged, industrial‑grade RS‑485 relay and digital input/output module designed for distributed control and monitoring applications. It integrates five isolated relay output channels and four isolated digital input channels, communicating via the Modbus RTU protocol over a two‑wire RS‑485 interface. The module is engineered for high reliability, extended temperature operation, and robust electrical isolation, making it suitable for harsh industrial environments. It includes hardware and software watchdog timers (WDT) for system reliability and supports up to 256 modules on a single RS‑485 network.
### 2. Key Features
- Dual Functionality: Combines 5 relay outputs (Form A) and 4 isolated digital inputs in a single compact module.
- High Isolation: 4000 V surge strength on relay outputs and 3750 Vrms isolation on digital inputs ensure electrical protection and noise immunity.
- RS‑485 Communication: Two‑wire RS‑485 interface supporting Modbus RTU protocol for easy integration into industrial automation systems.
- Wide Baud Rate Range: Configurable communication speeds from 1200 bps to 115.2 kbps.
- High Load Capacity: Each relay channel supports up to 5 A at 250 VAC or 30 VDC.
- LED Indicators: 11 status LEDs provide real‑time visual feedback for input/output channel states and module status.
- Extended Temperature Range: Operates reliably from −25 °C to +75 °C, suitable for field and factory environments.
- Dual Watchdog System: Hardware and host watchdogs ensure continuous operation and fail‑safe output control.
- Galvanic Isolation: Complete isolation between input, output, and communication circuits to prevent ground loops.
- Compact and Modular Design: DIN‑rail mountable form factor for easy installation in control cabinets.
- Modbus RTU Compatibility: Fully compliant with Modbus RTU standard, supporting standard function codes for read/write operations.
- EEPROM Configuration Storage: Retains address, baud rate, and configuration settings even after power loss.
- INIT* Mode: Built‑in initialization mode for resetting configuration parameters and recovering forgotten settings.
- Power‑Efficient Operation: Low power consumption (approx. 1.5 W typical).
- Long Relay Life: Minimum mechanical life of 10⁵ operations per channel.
- Flexible Power Supply: Accepts 10 – 30 V DC input voltage range.
- Network Scalability: Supports up to 256 modules on a single RS‑485 bus (up to 1200 m cable length without repeater).
### 3. Technical Specifications
Communication Interface:
- Type: RS‑485, 2‑wire half‑duplex
- Protocol: Modbus RTU
- Baud Rates: 1200, 2400, 4800, 9600, 19.2 k, 38.4 k, 57.6 k, 115.2 k bps
- Default Settings: Address = 01, Baud = 9600 bps, Protocol = Modbus RTU
Digital Inputs:
- Channels: 4 isolated input channels (common source)
- Input Impedance: 3 kΩ
- Logic Level 0: ≤ +1 V
- Logic Level 1: +4 V – +30 V
- Isolation Voltage: 3750 Vrms
- Input Type: Dry contact, open collector, or TTL/CMOS compatible
Relay Outputs:
- Channels: 5 relay output channels (Form A, normally open)
- Contact Rating: 5 A @ 250 VAC / 5 A @ 30 VDC
- Surge Strength: 4000 V
- Operate Time: ≤ 6 ms
- Release Time: ≤ 3 ms
- Minimum Life: 10⁵ operations
- Dielectric Strength: 2500 Vrms
- Load Voltage Range: 24 – 265 Vrms (AC) / 3 – 30 VDC (DC)
- Leakage Current: ≤ 1.5 mA rms (AC), ≤ 0.1 mA (DC)
Power Requirements:
- Supply Voltage: +10 V DC – +30 V DC
- Power Consumption: 1.5 W typical
Environmental Conditions:
- Operating Temperature: −25 °C to +75 °C
- Storage Temperature: −30 °C to +75 °C
- Humidity: 10 % – 90 % RH, non‑condensing
Indicators:
- 11 LEDs for digital input/output status and module power indication
Isolation & Protection:
- I/O to logic isolation: 3750 Vrms
- Communication to I/O isolation: 4000 V surge protection
- Galvanic isolation between all channels
Mechanical:
- Mounting: DIN‑rail or panel mount
- Enclosure: Industrial‑grade plastic housing
- Dimensions: (typical for EX‑9000 series) approx. 72 mm × 118 mm × 39 mm
- Weight: Approx. 200 g
### 4. Functionality
The EX9065HD‑M functions as a distributed digital I/O node in an RS‑485 network. It provides five relay outputs for controlling external devices such as solenoids, contactors, lamps, or alarms, and four isolated digital inputs for monitoring switches, sensors, or logic signals. Communication with a host controller (PLC, SCADA, or PC) occurs via Modbus RTU commands.
Operation Principle:
- The host sends Modbus commands to read input states or set output relays.
- Each relay output can be individually controlled or updated in groups.
- Input channels can be read in real time or latched to capture transient pulses.
- The module stores configuration parameters (address, baud rate, checksum) in EEPROM.
- Dual watchdogs monitor both module and host communication, ensuring outputs revert to safe states during faults.
Use Cases & Applications:
- Industrial automation and process control
- Remote monitoring and control systems
- Building automation (lighting, HVAC, access control)
- Energy management and power distribution
- Machine control and safety interlocks
- Environmental monitoring systems
Compatibility:
- Compatible with any Modbus RTU master (PLC, HMI, SCADA, or PC software).
- Supports up to 256 modules on a single RS‑485 bus.
- Works with ExpertDAQ configuration software or manual Modbus command setup.
### 5. Components & Accessories
Included Items:
- EX9065HD‑M module
- Quick start guide and documentation
- Mounting clips for DIN‑rail installation
Optional Accessories:
- RS‑485 to USB or RS‑232 converters
- RS‑485 repeaters for extended cable runs (> 1200 m)
- External power supply (10 – 30 V DC)
- Terminal blocks and wiring harnesses
Connectors:
- Screw‑type terminal blocks for power, inputs, and outputs
- RS‑485 communication terminals (D+, D−, GND)
- INIT* switch or pin for configuration reset
### 6. Installation & Setup
Requirements:
- DC power supply (10 – 30 V DC)
- RS‑485 network connection (twisted pair cable, up to 1200 m)
- Host controller or PC with Modbus RTU master software
Mounting Options:
- Standard 35 mm DIN‑rail mounting
- Panel mounting via optional brackets
Configuration Steps:
1. Power Connection: Connect +V and GND to a regulated DC power source.
2. RS‑485 Wiring: Connect D+ and D− lines to the RS‑485 bus.
3. Address & Baud Rate: Default address = 01, baud = 9600 bps. Adjust via Modbus commands or INIT* mode if necessary.
4. INIT* Mode: Activate by connecting INIT* pin to GND or sliding the INIT* switch to “Init” position, then power on.
5. Communication Test: Use Modbus RTU master software to verify connectivity.
6. I/O Wiring: Connect input sensors and output loads according to wiring diagrams (supports dry contact, open collector, or TTL inputs).
7. Verification: Observe LED indicators for channel status confirmation.
### 7. Performance & Capabilities
Speed & Communication:
- Supports baud rates up to 115.2 kbps for fast data exchange.
- Response time typically within milliseconds for I/O operations.
Capacity:
- 5 relay outputs, 4 digital inputs per module.
- Up to 256 modules per RS‑485 network (address range 1–247 for Modbus).
Efficiency:
- Low power consumption (1.5 W typical).
- Efficient relay switching with short operate/release times (6 ms/3 ms).
Reliability & Safety:
- Dual watchdog system ensures continuous operation.
- Safe Value and Power‑On Value settings define output states during startup or communication loss.
- EEPROM retains configuration and safe states after power cycles.
Limitations:
- Relay outputs limited to 5 A @ 250 VAC or 30 VDC.
- Maximum cable length without repeater: 1200 m.
- Host must periodically send “Host OK” command to prevent watchdog timeout.
### 8. Standards & Compliance
Communication Standards:
- Modbus RTU protocol compliant (supports function codes 01, 02, 03, 04, 05, 06, 0F, etc.)
- RS‑485 electrical standard (TIA/EIA‑485‑A)
Electrical & Safety:
- Isolation: 3750 Vrms (input), 4000 V surge (output)
- Dielectric strength: 2500 Vrms between channels
- EMC protection suitable for industrial environments
Environmental Compliance:
- Designed for industrial temperature range (−25 °C to +75 °C)
- RoHS‑compliant materials and construction
Quality & Reliability:
- Factory‑tested for electrical isolation and functional performance
- Meets industrial automation reliability standards
### 9. Additional Information
Watchdog Timers (WDT):
- Module Watchdog: Hardware circuit monitors internal operation; automatically resets module if malfunction detected.
- Host Watchdog: Software timer monitors communication from host; if timeout occurs, outputs revert to predefined Safe Value.
- Configuration: Adjustable timeout interval (0.1 s – 25.5 s, set via Modbus command ~AA3EVV).
Safe & Power‑On Values:
- Safe Value: Output state applied when host watchdog timeout occurs.
- Power‑On Value: Output state applied after power‑up or reset.
- Both values configurable via Modbus commands (~AA4V, ~AA5V).
Maintenance:
- No periodic calibration required.
- Regular inspection of wiring and terminal connections recommended.
- Relay contacts should be checked periodically for wear in high‑load applications.
Firmware & Updates:
- Firmware version readable via Modbus command ($AAF).
- Module name and protocol mode configurable via Modbus commands (~AAO, $AAPN).
Warranty & Support:
- Standard manufacturer warranty (typically 2 years, depending on region).
- Technical support and firmware updates available from ExpertDAQ.
- Documentation, Modbus mapping tables, and configuration utilities downloadable from manufacturer’s website.
Modbus Mapping Summary (EX9065HD‑M):
- Digital Inputs (DI0–DI3): Addresses 00033–00036
- DI Latch High/Low: 00065–00100
- Clear Latch: 00264 (write)
- Digital Input Counters: 30001–30004
- Clear Counters: 00513–00516 (write)
- Digital Outputs (DO1–DO5): 00001–00005 (read/write)
- Safe/Power‑On Values: 0x0080–0x00A4 (write via function 15)
Network Integration:
- Supports Modbus function codes for reading/writing coils, discrete inputs, and registers.
- Compatible with SCADA systems, PLCs, and industrial PCs.
- Can be integrated into distributed I/O networks for process automation.
### Summary
The ExpertDAQ EX9065HD‑M is a versatile, high‑isolation RS‑485 relay and digital input module optimized for industrial automation and remote control applications. With five relay outputs, four isolated digital inputs, Modbus RTU communication, and dual watchdog protection, it delivers reliable performance in demanding environments. Its wide operating temperature range, robust electrical isolation, and flexible configuration options make it ideal for distributed control systems, machine automation, and process monitoring. The module’s combination of compact design, Modbus compatibility, and fail‑safe operation ensures dependable integration into modern industrial networks.
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