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EX9065A
4*DI 5*AC-SSR Relay output
189,00 EUR
including VAT 224.91 EUR
- Dual Functionality: Combines 4 digital inputs and 5 AC-SSR relay outputs in one compact module.
- RS-485 Communication: Two-wire RS-485 interface supporting Modbus RTU protocol, allowing up to 256 modules on a single network.
- Long-Distance Communication: Supports cable lengths up to 1200 meters without a repeater.
- AC Solid-State Relays: Five AC-SSR output channels capable of switching 1A at 24–265 VAC, providing silent, fast, and durable switching.
- Galvanic Isolation: Complete isolation between input, output, and communication circuits ensures protection against electrical interference and ground loops.
- Wide Power Supply Range: Operates from 10–30 VDC, suitable for industrial power systems.
- Extended Temperature Range: Designed for harsh environments with an operating range of –25°C to +75°C.
- High Reliability: Minimum relay lifetime of 10⁵ operating cycles.
- Dual Watchdog System: Hardware and software watchdogs ensure continuous operation and fail-safe behavior.
- Manual or Software Configuration: Can be configured via DIP switches or through ExpertDAQ configuration software.
- Compact and Rugged Design: Built for DIN-rail or panel mounting in industrial control cabinets.
- LED Indicators: Status LEDs for each input and output channel simplify diagnostics and monitoring.
- Power Efficiency: Low power consumption (approx. 1.5–2.2 W depending on configuration).
- RS-485 Communication: Two-wire RS-485 interface supporting Modbus RTU protocol, allowing up to 256 modules on a single network.
- Long-Distance Communication: Supports cable lengths up to 1200 meters without a repeater.
- AC Solid-State Relays: Five AC-SSR output channels capable of switching 1A at 24–265 VAC, providing silent, fast, and durable switching.
- Galvanic Isolation: Complete isolation between input, output, and communication circuits ensures protection against electrical interference and ground loops.
- Wide Power Supply Range: Operates from 10–30 VDC, suitable for industrial power systems.
- Extended Temperature Range: Designed for harsh environments with an operating range of –25°C to +75°C.
- High Reliability: Minimum relay lifetime of 10⁵ operating cycles.
- Dual Watchdog System: Hardware and software watchdogs ensure continuous operation and fail-safe behavior.
- Manual or Software Configuration: Can be configured via DIP switches or through ExpertDAQ configuration software.
- Compact and Rugged Design: Built for DIN-rail or panel mounting in industrial control cabinets.
- LED Indicators: Status LEDs for each input and output channel simplify diagnostics and monitoring.
- Power Efficiency: Low power consumption (approx. 1.5–2.2 W depending on configuration).
Comprehensive Product Summary – ExpertDAQ EX9065A Relay Module
### 1. Product Overview
Product Name: ExpertDAQ EX9065A
Model: EX9065A
Series: EX9000 Series Distributed I/O Modules
Article Number: EX9065A
Manufacturer: ExpertDAQ (Expert Data Acquisition Systems)
The ExpertDAQ EX9065A is a compact, industrial-grade relay output and digital input module designed for distributed control systems using the RS-485 communication interface. It belongs to the EX9000 series of modular I/O devices, which are engineered for robust, reliable, and flexible data acquisition and control in industrial automation environments. The EX9065A specifically provides 4 isolated digital input channels and 5 AC solid-state relay (AC-SSR) output channels, supporting Modbus RTU communication protocol for seamless integration into existing control networks.
### 2. Key Features
- Dual Functionality: Combines 4 digital inputs and 5 AC-SSR relay outputs in one compact module.
- RS-485 Communication: Two-wire RS-485 interface supporting Modbus RTU protocol, allowing up to 256 modules on a single network.
- Long-Distance Communication: Supports cable lengths up to 1200 meters without a repeater.
- AC Solid-State Relays: Five AC-SSR output channels capable of switching 1A at 24–265 VAC, providing silent, fast, and durable switching.
- Galvanic Isolation: Complete isolation between input, output, and communication circuits ensures protection against electrical interference and ground loops.
- Wide Power Supply Range: Operates from 10–30 VDC, suitable for industrial power systems.
- Extended Temperature Range: Designed for harsh environments with an operating range of –25°C to +75°C.
- High Reliability: Minimum relay lifetime of 10⁵ operating cycles.
- Dual Watchdog System: Hardware and software watchdogs ensure continuous operation and fail-safe behavior.
- Manual or Software Configuration: Can be configured via DIP switches or through ExpertDAQ configuration software.
- Compact and Rugged Design: Built for DIN-rail or panel mounting in industrial control cabinets.
- LED Indicators: Status LEDs for each input and output channel simplify diagnostics and monitoring.
- Power Efficiency: Low power consumption (approx. 1.5–2.2 W depending on configuration).
### 3. Technical Specifications
General Specifications:
- Interface: RS-485, 2-wire half-duplex
- Communication Speed: Selectable baud rates of 1200, 2400, 4800, 9600, 19.2K, 38.4K, 57.6K, and 115.2K bps
- Protocol: Modbus RTU
- Maximum Modules per Network: 256
- Maximum Cable Length: 1200 m (without repeater)
- Isolation Voltage: 3750 Vrms between I/O and communication circuits
- Power Supply: +10 to +30 VDC
- Power Consumption: 1.5 W typical
Digital Inputs:
- Channels: 4 isolated digital input channels (common source)
- Input Impedance: 3 kΩ
- Logic Level 0: ≤ +1 VDC
- Logic Level 1: +4 VDC to +30 VDC
- Isolation: 3750 Vrms photo-isolation
- Input Type: Dry contact, open collector, or TTL/CMOS compatible
Relay Outputs (AC-SSR):
- Channels: 5 AC solid-state relay outputs (Form A, normally open)
- Load Voltage Range: 24–265 VAC
- Maximum Load Current: 1.0 Arms per channel
- Leakage Current: ≤ 1.5 mA RMS
- Operate Time: ≤ 1 ms
- Release Time: ≤ ½ AC cycle + 1 ms
- Dielectric Strength: 2500 Vrms
- Minimum Life Expectancy: ≥ 10⁵ operations
- Isolation: Galvanically isolated from logic and communication circuits
Environmental:
- Operating Temperature: –25°C to +75°C
- Storage Temperature: –30°C to +75°C
- Humidity: 10–90% RH, non-condensing
- Enclosure: Industrial-grade ABS housing
- Mounting: DIN-rail or panel mount
Indicators:
- LEDs: 9 total (4 for DI, 5 for DO) for real-time status indication
### 4. Functionality
The EX9065A functions as a distributed I/O node in an RS-485 network, enabling remote monitoring and control of digital signals. It converts field-level digital inputs and relay outputs into Modbus RTU data accessible by a host controller, PLC, or SCADA system.
Operation Principle:
- Digital Inputs: Detect ON/OFF states from sensors, switches, or logic signals.
- Relay Outputs: Control AC loads such as solenoids, lamps, contactors, or small motors via solid-state relays.
- Communication: The module exchanges data with a master device using Modbus RTU commands over RS-485.
- Watchdog Function: Ensures outputs revert to a predefined safe state if communication is lost or the host fails.
- EEPROM Configuration: Stores address, baud rate, and other parameters for persistent operation after power cycles.
Typical Applications:
- Industrial automation and process control
- Building management systems (BMS)
- Remote I/O expansion for PLCs
- Energy management and monitoring
- Machine control and safety interlocks
- HVAC and lighting control systems
Compatibility:
- Compatible with Modbus RTU masters such as PLCs, HMIs, SCADA software, and industrial PCs.
- Integrates seamlessly with other ExpertDAQ EX9000 modules for scalable I/O expansion.
### 5. Components & Accessories
Included Components:
- EX9065A module
- Quick start guide and configuration manual
- Mounting clips for DIN-rail installation
- Terminal block connectors for I/O and power
Optional Accessories:
- RS-485 to USB or RS-232 converters
- RS-485 repeaters for extended distance
- Power supply units (24 VDC recommended)
- Configuration software (ExpertDAQ Utility)
Connectors:
- Power Connector: 2-pin terminal block (+V, GND)
- RS-485 Connector: 2-pin terminal block (DATA+, DATA–)
- Digital Input Connector: 4-channel terminal block
- Relay Output Connector: 5-channel terminal block
### 6. Installation & Setup
Requirements:
- Power supply: 10–30 VDC regulated
- RS-485 network connection with proper termination resistors
- Host device supporting Modbus RTU protocol
Mounting Options:
- DIN-rail mounting (standard 35 mm rail)
- Panel mounting via screw holes
Configuration Steps:
1. Set Module Address: Default address is 01; can be changed via software or INIT* mode.
2. Select Baud Rate: Default 9600 bps; configurable up to 115.2 kbps.
3. Connect RS-485 Bus: Daisy-chain up to 256 modules using twisted-pair cable.
4. Power On: Apply 10–30 VDC to the power terminals.
5. Verify Communication: Use Modbus commands or ExpertDAQ Utility to confirm connectivity.
6. Define Safe and Power-On Values: Configure output states for startup and communication loss conditions.
INIT* Mode:
- Used to reset configuration or recover forgotten settings.
- Activated by connecting the INIT* terminal to GND during power-up.
- Default parameters in INIT* mode: Address = 00, Baud Rate = 9600 bps, Checksum disabled.
### 7. Performance & Capabilities
Speed and Responsiveness:
- Fast relay switching with 1 ms operate time and ≤ ½ cycle release time.
- Supports high-speed Modbus communication up to 115.2 kbps.
Capacity:
- 4 digital inputs and 5 relay outputs per module.
- Up to 256 modules per RS-485 network, providing large-scale distributed control.
Efficiency:
- Low power consumption (1.5–2.2 W).
- Solid-state relays eliminate mechanical wear, ensuring long operational life.
Reliability:
- Dual watchdog system (hardware + software) prevents system lockups.
- EEPROM retains configuration data after power loss.
- Galvanic isolation protects against surges and ground potential differences.
Limitations:
- Maximum output current limited to 1A per channel.
- Designed for AC loads only (24–265 VAC).
- Requires proper heat dissipation in high ambient temperatures.
### 8. Standards & Compliance
Electrical and Safety Standards:
- Isolation voltage: 3750 Vrms (I/O to logic)
- Dielectric strength: 2500 Vrms (relay output)
- Surge protection: 4000 V (relay contact)
Communication Standards:
- RS-485 (EIA/TIA-485) compliant
- Modbus RTU protocol compliant
Environmental Compliance:
- RoHS compliant (lead-free construction)
- CE certified for electromagnetic compatibility and safety
Industry Standards:
- Designed for industrial automation and control per IEC 61131-2 guidelines
- Meets EMC immunity and emission standards for industrial environments
### 9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 2 years, depending on region and distributor).
Support:
- Technical documentation, Modbus mapping tables, and configuration utilities available from ExpertDAQ.
- Firmware updates and configuration tools downloadable from the manufacturer’s website.
Maintenance:
- No mechanical parts in AC-SSR outputs, minimizing maintenance requirements.
- Periodic inspection of terminal connections and environmental conditions recommended.
Firmware & Updates:
- Firmware version readable via Modbus command `$AAF`.
- Example: `$01F` → `!01D03.11` indicates firmware version D03.11.
- Updates can be applied via RS-485 interface using ExpertDAQ tools.
Safety Notes:
- Ensure proper isolation and grounding when connecting to high-voltage AC loads.
- Do not exceed rated current or voltage limits.
- Use surge protection devices in environments with high transient voltages.
### Summary Table
| Parameter | Specification |
|----------------|------------------|
| Model | EX9065A |
| Manufacturer | ExpertDAQ |
| Communication Interface | RS-485 (2-wire, half-duplex) |
| Protocol | Modbus RTU |
| Digital Inputs | 4 isolated channels |
| Digital Outputs | 5 AC-SSR channels |
| Output Load Voltage | 24–265 VAC |
| Max Output Current | 1A per channel |
| Input Logic Levels | 0: < +1V, 1: +4V to +30V |
| Isolation Voltage | 3750 Vrms |
| Power Supply | 10–30 VDC |
| Power Consumption | 1.5–2.2 W |
| Operating Temperature | –25°C to +75°C |
| Storage Temperature | –30°C to +75°C |
| Mounting | DIN-rail or panel |
| Indicators | 9 LEDs (4 DI, 5 DO) |
| Watchdog | Hardware + Software |
| Relay Lifetime | ≥ 10⁵ operations |
| Network Capacity | Up to 256 modules |
| Max Cable Length | 1200 m (without repeater) |
| Compliance | CE, RoHS, Modbus RTU, RS-485 |
### Conclusion
The ExpertDAQ EX9065A is a robust, high-performance relay output and digital input module optimized for distributed industrial control systems. Its combination of AC solid-state relays, galvanic isolation, and Modbus RTU communication makes it ideal for applications requiring reliable switching of AC loads and precise digital input monitoring over long distances. With its dual watchdog system, wide operating temperature range, and industrial-grade design, the EX9065A ensures dependable operation in demanding automation environments such as manufacturing plants, building automation, and process control systems.
### 1. Product Overview
Product Name: ExpertDAQ EX9065A
Model: EX9065A
Series: EX9000 Series Distributed I/O Modules
Article Number: EX9065A
Manufacturer: ExpertDAQ (Expert Data Acquisition Systems)
The ExpertDAQ EX9065A is a compact, industrial-grade relay output and digital input module designed for distributed control systems using the RS-485 communication interface. It belongs to the EX9000 series of modular I/O devices, which are engineered for robust, reliable, and flexible data acquisition and control in industrial automation environments. The EX9065A specifically provides 4 isolated digital input channels and 5 AC solid-state relay (AC-SSR) output channels, supporting Modbus RTU communication protocol for seamless integration into existing control networks.
### 2. Key Features
- Dual Functionality: Combines 4 digital inputs and 5 AC-SSR relay outputs in one compact module.
- RS-485 Communication: Two-wire RS-485 interface supporting Modbus RTU protocol, allowing up to 256 modules on a single network.
- Long-Distance Communication: Supports cable lengths up to 1200 meters without a repeater.
- AC Solid-State Relays: Five AC-SSR output channels capable of switching 1A at 24–265 VAC, providing silent, fast, and durable switching.
- Galvanic Isolation: Complete isolation between input, output, and communication circuits ensures protection against electrical interference and ground loops.
- Wide Power Supply Range: Operates from 10–30 VDC, suitable for industrial power systems.
- Extended Temperature Range: Designed for harsh environments with an operating range of –25°C to +75°C.
- High Reliability: Minimum relay lifetime of 10⁵ operating cycles.
- Dual Watchdog System: Hardware and software watchdogs ensure continuous operation and fail-safe behavior.
- Manual or Software Configuration: Can be configured via DIP switches or through ExpertDAQ configuration software.
- Compact and Rugged Design: Built for DIN-rail or panel mounting in industrial control cabinets.
- LED Indicators: Status LEDs for each input and output channel simplify diagnostics and monitoring.
- Power Efficiency: Low power consumption (approx. 1.5–2.2 W depending on configuration).
### 3. Technical Specifications
General Specifications:
- Interface: RS-485, 2-wire half-duplex
- Communication Speed: Selectable baud rates of 1200, 2400, 4800, 9600, 19.2K, 38.4K, 57.6K, and 115.2K bps
- Protocol: Modbus RTU
- Maximum Modules per Network: 256
- Maximum Cable Length: 1200 m (without repeater)
- Isolation Voltage: 3750 Vrms between I/O and communication circuits
- Power Supply: +10 to +30 VDC
- Power Consumption: 1.5 W typical
Digital Inputs:
- Channels: 4 isolated digital input channels (common source)
- Input Impedance: 3 kΩ
- Logic Level 0: ≤ +1 VDC
- Logic Level 1: +4 VDC to +30 VDC
- Isolation: 3750 Vrms photo-isolation
- Input Type: Dry contact, open collector, or TTL/CMOS compatible
Relay Outputs (AC-SSR):
- Channels: 5 AC solid-state relay outputs (Form A, normally open)
- Load Voltage Range: 24–265 VAC
- Maximum Load Current: 1.0 Arms per channel
- Leakage Current: ≤ 1.5 mA RMS
- Operate Time: ≤ 1 ms
- Release Time: ≤ ½ AC cycle + 1 ms
- Dielectric Strength: 2500 Vrms
- Minimum Life Expectancy: ≥ 10⁵ operations
- Isolation: Galvanically isolated from logic and communication circuits
Environmental:
- Operating Temperature: –25°C to +75°C
- Storage Temperature: –30°C to +75°C
- Humidity: 10–90% RH, non-condensing
- Enclosure: Industrial-grade ABS housing
- Mounting: DIN-rail or panel mount
Indicators:
- LEDs: 9 total (4 for DI, 5 for DO) for real-time status indication
### 4. Functionality
The EX9065A functions as a distributed I/O node in an RS-485 network, enabling remote monitoring and control of digital signals. It converts field-level digital inputs and relay outputs into Modbus RTU data accessible by a host controller, PLC, or SCADA system.
Operation Principle:
- Digital Inputs: Detect ON/OFF states from sensors, switches, or logic signals.
- Relay Outputs: Control AC loads such as solenoids, lamps, contactors, or small motors via solid-state relays.
- Communication: The module exchanges data with a master device using Modbus RTU commands over RS-485.
- Watchdog Function: Ensures outputs revert to a predefined safe state if communication is lost or the host fails.
- EEPROM Configuration: Stores address, baud rate, and other parameters for persistent operation after power cycles.
Typical Applications:
- Industrial automation and process control
- Building management systems (BMS)
- Remote I/O expansion for PLCs
- Energy management and monitoring
- Machine control and safety interlocks
- HVAC and lighting control systems
Compatibility:
- Compatible with Modbus RTU masters such as PLCs, HMIs, SCADA software, and industrial PCs.
- Integrates seamlessly with other ExpertDAQ EX9000 modules for scalable I/O expansion.
### 5. Components & Accessories
Included Components:
- EX9065A module
- Quick start guide and configuration manual
- Mounting clips for DIN-rail installation
- Terminal block connectors for I/O and power
Optional Accessories:
- RS-485 to USB or RS-232 converters
- RS-485 repeaters for extended distance
- Power supply units (24 VDC recommended)
- Configuration software (ExpertDAQ Utility)
Connectors:
- Power Connector: 2-pin terminal block (+V, GND)
- RS-485 Connector: 2-pin terminal block (DATA+, DATA–)
- Digital Input Connector: 4-channel terminal block
- Relay Output Connector: 5-channel terminal block
### 6. Installation & Setup
Requirements:
- Power supply: 10–30 VDC regulated
- RS-485 network connection with proper termination resistors
- Host device supporting Modbus RTU protocol
Mounting Options:
- DIN-rail mounting (standard 35 mm rail)
- Panel mounting via screw holes
Configuration Steps:
1. Set Module Address: Default address is 01; can be changed via software or INIT* mode.
2. Select Baud Rate: Default 9600 bps; configurable up to 115.2 kbps.
3. Connect RS-485 Bus: Daisy-chain up to 256 modules using twisted-pair cable.
4. Power On: Apply 10–30 VDC to the power terminals.
5. Verify Communication: Use Modbus commands or ExpertDAQ Utility to confirm connectivity.
6. Define Safe and Power-On Values: Configure output states for startup and communication loss conditions.
INIT* Mode:
- Used to reset configuration or recover forgotten settings.
- Activated by connecting the INIT* terminal to GND during power-up.
- Default parameters in INIT* mode: Address = 00, Baud Rate = 9600 bps, Checksum disabled.
### 7. Performance & Capabilities
Speed and Responsiveness:
- Fast relay switching with 1 ms operate time and ≤ ½ cycle release time.
- Supports high-speed Modbus communication up to 115.2 kbps.
Capacity:
- 4 digital inputs and 5 relay outputs per module.
- Up to 256 modules per RS-485 network, providing large-scale distributed control.
Efficiency:
- Low power consumption (1.5–2.2 W).
- Solid-state relays eliminate mechanical wear, ensuring long operational life.
Reliability:
- Dual watchdog system (hardware + software) prevents system lockups.
- EEPROM retains configuration data after power loss.
- Galvanic isolation protects against surges and ground potential differences.
Limitations:
- Maximum output current limited to 1A per channel.
- Designed for AC loads only (24–265 VAC).
- Requires proper heat dissipation in high ambient temperatures.
### 8. Standards & Compliance
Electrical and Safety Standards:
- Isolation voltage: 3750 Vrms (I/O to logic)
- Dielectric strength: 2500 Vrms (relay output)
- Surge protection: 4000 V (relay contact)
Communication Standards:
- RS-485 (EIA/TIA-485) compliant
- Modbus RTU protocol compliant
Environmental Compliance:
- RoHS compliant (lead-free construction)
- CE certified for electromagnetic compatibility and safety
Industry Standards:
- Designed for industrial automation and control per IEC 61131-2 guidelines
- Meets EMC immunity and emission standards for industrial environments
### 9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 2 years, depending on region and distributor).
Support:
- Technical documentation, Modbus mapping tables, and configuration utilities available from ExpertDAQ.
- Firmware updates and configuration tools downloadable from the manufacturer’s website.
Maintenance:
- No mechanical parts in AC-SSR outputs, minimizing maintenance requirements.
- Periodic inspection of terminal connections and environmental conditions recommended.
Firmware & Updates:
- Firmware version readable via Modbus command `$AAF`.
- Example: `$01F` → `!01D03.11` indicates firmware version D03.11.
- Updates can be applied via RS-485 interface using ExpertDAQ tools.
Safety Notes:
- Ensure proper isolation and grounding when connecting to high-voltage AC loads.
- Do not exceed rated current or voltage limits.
- Use surge protection devices in environments with high transient voltages.
### Summary Table
| Parameter | Specification |
|----------------|------------------|
| Model | EX9065A |
| Manufacturer | ExpertDAQ |
| Communication Interface | RS-485 (2-wire, half-duplex) |
| Protocol | Modbus RTU |
| Digital Inputs | 4 isolated channels |
| Digital Outputs | 5 AC-SSR channels |
| Output Load Voltage | 24–265 VAC |
| Max Output Current | 1A per channel |
| Input Logic Levels | 0: < +1V, 1: +4V to +30V |
| Isolation Voltage | 3750 Vrms |
| Power Supply | 10–30 VDC |
| Power Consumption | 1.5–2.2 W |
| Operating Temperature | –25°C to +75°C |
| Storage Temperature | –30°C to +75°C |
| Mounting | DIN-rail or panel |
| Indicators | 9 LEDs (4 DI, 5 DO) |
| Watchdog | Hardware + Software |
| Relay Lifetime | ≥ 10⁵ operations |
| Network Capacity | Up to 256 modules |
| Max Cable Length | 1200 m (without repeater) |
| Compliance | CE, RoHS, Modbus RTU, RS-485 |
### Conclusion
The ExpertDAQ EX9065A is a robust, high-performance relay output and digital input module optimized for distributed industrial control systems. Its combination of AC solid-state relays, galvanic isolation, and Modbus RTU communication makes it ideal for applications requiring reliable switching of AC loads and precise digital input monitoring over long distances. With its dual watchdog system, wide operating temperature range, and industrial-grade design, the EX9065A ensures dependable operation in demanding automation environments such as manufacturing plants, building automation, and process control systems.
No accessories available.