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EX9080RD
2*counter input 2*DO (open collector) with Alarm/ counter preset value/ gate time 1/0.1 sec programmable w/o Filter & Threshold func., 7 segment LED
- Dual 32-bit Counters: Two independent 32-bit counters (Counter 0 and Counter 1) capable of counting up to 4,294,967,295 (2³²–1).
- Frequency Measurement: Measures input frequencies from 1 Hz to 100 kHz with programmable gate times of 1.0 s or 0.1 s.
- Dual Digital Outputs: Two open-collector digital outputs rated at 30 V / 30 mA maximum load, suitable for driving relays, SSRs, or alarms.
- Programmable Alarm Function: Supports single- and dual-channel alarm modes with configurable high and high-high thresholds.
- Programmable Start Value: Counters can be initialized with user-defined preset values.
- RS485 Communication Interface: Supports up to 256 modules on a single RS485 network using Modbus RTU or ASCII command protocols.
- LED Display: Integrated 4.5-digit 7-segment LED display for local indication of counter or frequency values.
- Wide Input Compatibility: Accepts both isolated and non-isolated input signals with configurable logic levels.
- High Electrical Isolation: Input isolation voltage up to 3750 Vrms ensures robust protection against electrical noise and surges.
- Watchdog Protection: Hardware and software watchdogs ensure reliable operation and automatic recovery from communication faults.
- Flexible Configuration: Supports manual setup via RS485 commands or configuration software.
- Industrial-Grade Design: Operates over a wide temperature range and is built for continuous operation in harsh industrial environments.
- Frequency Measurement: Measures input frequencies from 1 Hz to 100 kHz with programmable gate times of 1.0 s or 0.1 s.
- Dual Digital Outputs: Two open-collector digital outputs rated at 30 V / 30 mA maximum load, suitable for driving relays, SSRs, or alarms.
- Programmable Alarm Function: Supports single- and dual-channel alarm modes with configurable high and high-high thresholds.
- Programmable Start Value: Counters can be initialized with user-defined preset values.
- RS485 Communication Interface: Supports up to 256 modules on a single RS485 network using Modbus RTU or ASCII command protocols.
- LED Display: Integrated 4.5-digit 7-segment LED display for local indication of counter or frequency values.
- Wide Input Compatibility: Accepts both isolated and non-isolated input signals with configurable logic levels.
- High Electrical Isolation: Input isolation voltage up to 3750 Vrms ensures robust protection against electrical noise and surges.
- Watchdog Protection: Hardware and software watchdogs ensure reliable operation and automatic recovery from communication faults.
- Flexible Configuration: Supports manual setup via RS485 commands or configuration software.
- Industrial-Grade Design: Operates over a wide temperature range and is built for continuous operation in harsh industrial environments.
Comprehensive Product Summary – ExpertDAQ EX9080RD RS485 Timer/Counter Module
### 1. Product Overview
Product Name: ExpertDAQ EX9080RD
Model Number: EX9080RD
Series: EX-9000 Series – Network Data Acquisition and Control Modules
Article Number: EX9080RD
Manufacturer: ExpertDAQ (Expert Data Acquisition Systems)
The ExpertDAQ EX9080RD is a professional-grade RS485-based timer and counter module designed for industrial automation, process monitoring, and data acquisition systems. It belongs to the EX-9000 family of distributed I/O modules, which provide analog and digital I/O, timer/counter, and communication capabilities over RS485 networks. The EX9080RD variant integrates dual 32-bit counters, dual open-collector digital outputs, and a 4.5-digit 7-segment LED display for real-time data visualization. It supports Modbus RTU communication and can be configured manually or via software, making it suitable for integration into SCADA, PLC, and industrial control systems.
### 2. Key Features
- Dual 32-bit Counters: Two independent 32-bit counters (Counter 0 and Counter 1) capable of counting up to 4,294,967,295 (2³²–1).
- Frequency Measurement: Measures input frequencies from 1 Hz to 100 kHz with programmable gate times of 1.0 s or 0.1 s.
- Dual Digital Outputs: Two open-collector digital outputs rated at 30 V / 30 mA maximum load, suitable for driving relays, SSRs, or alarms.
- Programmable Alarm Function: Supports single- and dual-channel alarm modes with configurable high and high-high thresholds.
- Programmable Start Value: Counters can be initialized with user-defined preset values.
- RS485 Communication Interface: Supports up to 256 modules on a single RS485 network using Modbus RTU or ASCII command protocols.
- LED Display: Integrated 4.5-digit 7-segment LED display for local indication of counter or frequency values.
- Wide Input Compatibility: Accepts both isolated and non-isolated input signals with configurable logic levels.
- High Electrical Isolation: Input isolation voltage up to 3750 Vrms ensures robust protection against electrical noise and surges.
- Watchdog Protection: Hardware and software watchdogs ensure reliable operation and automatic recovery from communication faults.
- Flexible Configuration: Supports manual setup via RS485 commands or configuration software.
- Industrial-Grade Design: Operates over a wide temperature range and is built for continuous operation in harsh industrial environments.
### 3. Technical Specifications
Counter Input:
- Channels: 2 independent 32-bit counters (Counter 0 & Counter 1)
- Input Signal: Isolated or non-isolated selectable per channel
- Logic Level (Isolated Input):
- Logic 0: ≤ +1 V
- Logic 1: +3.5 V to +30 V
- Logic Level (Non-Isolated Input):
- Logic 0: 0 to +1 V
- Logic 1: +3.5 V to +5 V
- Isolation Voltage: 3750 Vrms
- Maximum Count: 4,294,967,295 (32-bit)
- Alarm: Programmable alarm on Counter 0 or both counters
Frequency Measurement:
- Input Frequency Range: 1 Hz to 100 kHz
- Gate Time: Programmable 1.0 s or 0.1 s
Digital Output:
- Channels: 2 (open collector type)
- Output Voltage: Up to 30 V
- Output Current: Up to 30 mA per channel
- Power Dissipation: 300 mW
Power Supply:
- Input Voltage: +10 VDC to +30 VDC (non-regulated)
- Power Consumption: Approx. 2 W
Display:
- Type: 4.5-digit 7-segment LED
- Display Modes: Counter 0, Counter 1, or host-controlled display
Communication:
- Interface: RS485 (2-wire, half-duplex)
- Protocols: Modbus RTU and ASCII command set
- Baud Rate: 1200 to 115200 bps (default 9600 bps)
- Address Range: 00 to FF (supports up to 256 modules)
- Data Format: 1 start bit, 8 data bits, 1 stop bit, no parity
Isolation & Protection:
- Input-to-Output Isolation: 3750 Vrms
- Overvoltage Protection: 3750 V
- Watchdog: Hardware and software watchdog timers
Physical Characteristics:
- Dimensions: Compact DIN-rail mountable enclosure (typical EX-9000 form factor)
- Weight: Approx. 150–200 g (typical for EX-9000 modules)
- Material: Industrial-grade ABS housing
Environmental:
- Operating Temperature: -25 °C to +75 °C (typical)
- Storage Temperature: -40 °C to +85 °C
- Humidity: 10–90% RH, non-condensing
### 4. Functionality
The EX9080RD functions as a dual-channel counter and frequency measurement module with integrated digital outputs and alarm capabilities. Each input channel can operate independently in counter or frequency mode, selectable via RS485 commands. The module can measure pulse frequencies or count discrete events, making it ideal for monitoring flow meters, encoders, production counters, or rotational speed sensors.
Operating Modes:
- Counter Mode (Type 50): Counts pulses on each input channel.
- Frequency Mode (Type 51): Measures input signal frequency.
- Alarm Mode 0: Dual-channel alarm operation.
- Alarm Mode 1: Single-channel high and high-high alarm operation.
Use Cases:
- Industrial process monitoring (flow, speed, production count)
- Machine automation and control
- Event counting and rate measurement
- Alarm triggering based on count thresholds
- Integration with PLCs and SCADA systems via Modbus RTU
Compatibility:
- Compatible with ExpertDAQ EX-9000 series software tools
- Works with Modbus RTU-compatible PLCs, HMIs, and SCADA systems
- Supports both isolated and non-isolated signal sources
### 5. Components & Accessories
Included Components:
- EX9080RD module
- RS485 terminal block connectors
- User manual and configuration guide
Optional Accessories:
- RS485-to-USB or RS485-to-Ethernet converters
- DIN-rail mounting clips
- External power supply (10–30 VDC)
- ExpertDAQ configuration software
Connectors & Pin Assignments:
- 20-pin terminal block for signal and power connections
- RS485 Data+ and Data– terminals
- Digital input terminals (In0+, In0–, In1+, In1–)
- Gate control inputs (Gate0+, Gate0–, Gate1+, Gate1–)
- Digital outputs (DO0/LO, DO1/HI)
- Power input (V+, GND)
### 6. Installation & Setup
Requirements:
- Power supply: 10–30 VDC
- RS485 network connection (twisted pair cable recommended)
- Proper termination resistors for long-distance communication
Mounting Options:
- DIN-rail or panel mounting
- Ensure adequate ventilation and protection from vibration
Configuration Steps:
1. Connect power and RS485 communication lines.
2. Set module address and baud rate using RS485 commands or software.
3. Configure input mode (isolated/non-isolated) using `$AABS` command.
4. Select counter or frequency mode (`$AAB0`–`$AAB3`).
5. Set alarm thresholds and enable alarm functions (`@AAPA`, `@AASA`, `@AAEAN`).
6. Verify operation via LED display or Modbus read commands.
Default Settings:
- Address: 01
- Baud Rate: 9600 bps
- Checksum: Disabled
- Data Format: 1 start + 8 data + 1 stop bit
- Type: Counter input (Type 50)
- Alarm: High alarm on Counter 0 & Counter 1
### 7. Performance & Capabilities
Speed & Capacity:
- Frequency measurement up to 100 kHz
- 32-bit counting capacity (4.29 billion counts)
- RS485 communication up to 115200 bps
Efficiency:
- Low power consumption (2 W typical)
- Fast response time for real-time counting and frequency measurement
Limitations:
- Open-collector outputs limited to 30 V / 30 mA
- Gate control ignored in frequency mode
- Alarm and D/O commands mutually exclusive when alarm is active
Reliability:
- Hardware and software watchdogs prevent system lockups
- EEPROM stores configuration for power-loss recovery
- LED indicators provide immediate operational feedback
### 8. Standards & Compliance
Communication Standards:
- RS485 (EIA/TIA-485)
- Modbus RTU protocol compliance
Electrical & Safety:
- Isolation voltage: 3750 Vrms
- Overvoltage protection: 3750 V
- CE and FCC compliance (typical for ExpertDAQ modules)
Environmental & Industrial Standards:
- Designed for industrial temperature and humidity ranges
- EMC immunity suitable for factory environments
Firmware & Protocol Support:
- Supports Modbus function codes:
- 0x01: Read Digital Output
- 0x02: Read Digital Input
- 0x03/0x04: Read Counter Values
- 0x05/0x0F: Write Digital Output
- 0x06: Clear Counter
- Fully compatible with Modbus RTU master devices
### 9. Additional Information
Warranty & Support:
- Standard manufacturer warranty (typically 2 years)
- Technical support via ExpertDAQ website and authorized distributors
Maintenance:
- No moving parts; minimal maintenance required
- Periodic verification of wiring and communication integrity recommended
Firmware & Updates:
- Firmware version readable via `$AAF` command
- Updates available through ExpertDAQ support channels
Troubleshooting & Recovery:
- INIT* pin allows reset to factory defaults
- Host watchdog timer ensures automatic recovery from communication loss
- LED indicators assist in diagnosing communication and alarm states
Documentation & Software:
- Comprehensive user manual (Rev. A.2)
- Configuration and diagnostic software available for Windows
- Modbus mapping tables and command reference included
### Summary
The ExpertDAQ EX9080RD is a robust, high-precision RS485 timer/counter module engineered for industrial automation and data acquisition applications. With dual 32-bit counters, dual open-collector outputs, programmable alarms, and a bright LED display, it provides flexible and reliable performance for counting, frequency measurement, and process control tasks. Its Modbus RTU compatibility, wide input range, and high isolation make it ideal for integration into distributed control systems, ensuring dependable operation in demanding industrial environments.
### 1. Product Overview
Product Name: ExpertDAQ EX9080RD
Model Number: EX9080RD
Series: EX-9000 Series – Network Data Acquisition and Control Modules
Article Number: EX9080RD
Manufacturer: ExpertDAQ (Expert Data Acquisition Systems)
The ExpertDAQ EX9080RD is a professional-grade RS485-based timer and counter module designed for industrial automation, process monitoring, and data acquisition systems. It belongs to the EX-9000 family of distributed I/O modules, which provide analog and digital I/O, timer/counter, and communication capabilities over RS485 networks. The EX9080RD variant integrates dual 32-bit counters, dual open-collector digital outputs, and a 4.5-digit 7-segment LED display for real-time data visualization. It supports Modbus RTU communication and can be configured manually or via software, making it suitable for integration into SCADA, PLC, and industrial control systems.
### 2. Key Features
- Dual 32-bit Counters: Two independent 32-bit counters (Counter 0 and Counter 1) capable of counting up to 4,294,967,295 (2³²–1).
- Frequency Measurement: Measures input frequencies from 1 Hz to 100 kHz with programmable gate times of 1.0 s or 0.1 s.
- Dual Digital Outputs: Two open-collector digital outputs rated at 30 V / 30 mA maximum load, suitable for driving relays, SSRs, or alarms.
- Programmable Alarm Function: Supports single- and dual-channel alarm modes with configurable high and high-high thresholds.
- Programmable Start Value: Counters can be initialized with user-defined preset values.
- RS485 Communication Interface: Supports up to 256 modules on a single RS485 network using Modbus RTU or ASCII command protocols.
- LED Display: Integrated 4.5-digit 7-segment LED display for local indication of counter or frequency values.
- Wide Input Compatibility: Accepts both isolated and non-isolated input signals with configurable logic levels.
- High Electrical Isolation: Input isolation voltage up to 3750 Vrms ensures robust protection against electrical noise and surges.
- Watchdog Protection: Hardware and software watchdogs ensure reliable operation and automatic recovery from communication faults.
- Flexible Configuration: Supports manual setup via RS485 commands or configuration software.
- Industrial-Grade Design: Operates over a wide temperature range and is built for continuous operation in harsh industrial environments.
### 3. Technical Specifications
Counter Input:
- Channels: 2 independent 32-bit counters (Counter 0 & Counter 1)
- Input Signal: Isolated or non-isolated selectable per channel
- Logic Level (Isolated Input):
- Logic 0: ≤ +1 V
- Logic 1: +3.5 V to +30 V
- Logic Level (Non-Isolated Input):
- Logic 0: 0 to +1 V
- Logic 1: +3.5 V to +5 V
- Isolation Voltage: 3750 Vrms
- Maximum Count: 4,294,967,295 (32-bit)
- Alarm: Programmable alarm on Counter 0 or both counters
Frequency Measurement:
- Input Frequency Range: 1 Hz to 100 kHz
- Gate Time: Programmable 1.0 s or 0.1 s
Digital Output:
- Channels: 2 (open collector type)
- Output Voltage: Up to 30 V
- Output Current: Up to 30 mA per channel
- Power Dissipation: 300 mW
Power Supply:
- Input Voltage: +10 VDC to +30 VDC (non-regulated)
- Power Consumption: Approx. 2 W
Display:
- Type: 4.5-digit 7-segment LED
- Display Modes: Counter 0, Counter 1, or host-controlled display
Communication:
- Interface: RS485 (2-wire, half-duplex)
- Protocols: Modbus RTU and ASCII command set
- Baud Rate: 1200 to 115200 bps (default 9600 bps)
- Address Range: 00 to FF (supports up to 256 modules)
- Data Format: 1 start bit, 8 data bits, 1 stop bit, no parity
Isolation & Protection:
- Input-to-Output Isolation: 3750 Vrms
- Overvoltage Protection: 3750 V
- Watchdog: Hardware and software watchdog timers
Physical Characteristics:
- Dimensions: Compact DIN-rail mountable enclosure (typical EX-9000 form factor)
- Weight: Approx. 150–200 g (typical for EX-9000 modules)
- Material: Industrial-grade ABS housing
Environmental:
- Operating Temperature: -25 °C to +75 °C (typical)
- Storage Temperature: -40 °C to +85 °C
- Humidity: 10–90% RH, non-condensing
### 4. Functionality
The EX9080RD functions as a dual-channel counter and frequency measurement module with integrated digital outputs and alarm capabilities. Each input channel can operate independently in counter or frequency mode, selectable via RS485 commands. The module can measure pulse frequencies or count discrete events, making it ideal for monitoring flow meters, encoders, production counters, or rotational speed sensors.
Operating Modes:
- Counter Mode (Type 50): Counts pulses on each input channel.
- Frequency Mode (Type 51): Measures input signal frequency.
- Alarm Mode 0: Dual-channel alarm operation.
- Alarm Mode 1: Single-channel high and high-high alarm operation.
Use Cases:
- Industrial process monitoring (flow, speed, production count)
- Machine automation and control
- Event counting and rate measurement
- Alarm triggering based on count thresholds
- Integration with PLCs and SCADA systems via Modbus RTU
Compatibility:
- Compatible with ExpertDAQ EX-9000 series software tools
- Works with Modbus RTU-compatible PLCs, HMIs, and SCADA systems
- Supports both isolated and non-isolated signal sources
### 5. Components & Accessories
Included Components:
- EX9080RD module
- RS485 terminal block connectors
- User manual and configuration guide
Optional Accessories:
- RS485-to-USB or RS485-to-Ethernet converters
- DIN-rail mounting clips
- External power supply (10–30 VDC)
- ExpertDAQ configuration software
Connectors & Pin Assignments:
- 20-pin terminal block for signal and power connections
- RS485 Data+ and Data– terminals
- Digital input terminals (In0+, In0–, In1+, In1–)
- Gate control inputs (Gate0+, Gate0–, Gate1+, Gate1–)
- Digital outputs (DO0/LO, DO1/HI)
- Power input (V+, GND)
### 6. Installation & Setup
Requirements:
- Power supply: 10–30 VDC
- RS485 network connection (twisted pair cable recommended)
- Proper termination resistors for long-distance communication
Mounting Options:
- DIN-rail or panel mounting
- Ensure adequate ventilation and protection from vibration
Configuration Steps:
1. Connect power and RS485 communication lines.
2. Set module address and baud rate using RS485 commands or software.
3. Configure input mode (isolated/non-isolated) using `$AABS` command.
4. Select counter or frequency mode (`$AAB0`–`$AAB3`).
5. Set alarm thresholds and enable alarm functions (`@AAPA`, `@AASA`, `@AAEAN`).
6. Verify operation via LED display or Modbus read commands.
Default Settings:
- Address: 01
- Baud Rate: 9600 bps
- Checksum: Disabled
- Data Format: 1 start + 8 data + 1 stop bit
- Type: Counter input (Type 50)
- Alarm: High alarm on Counter 0 & Counter 1
### 7. Performance & Capabilities
Speed & Capacity:
- Frequency measurement up to 100 kHz
- 32-bit counting capacity (4.29 billion counts)
- RS485 communication up to 115200 bps
Efficiency:
- Low power consumption (2 W typical)
- Fast response time for real-time counting and frequency measurement
Limitations:
- Open-collector outputs limited to 30 V / 30 mA
- Gate control ignored in frequency mode
- Alarm and D/O commands mutually exclusive when alarm is active
Reliability:
- Hardware and software watchdogs prevent system lockups
- EEPROM stores configuration for power-loss recovery
- LED indicators provide immediate operational feedback
### 8. Standards & Compliance
Communication Standards:
- RS485 (EIA/TIA-485)
- Modbus RTU protocol compliance
Electrical & Safety:
- Isolation voltage: 3750 Vrms
- Overvoltage protection: 3750 V
- CE and FCC compliance (typical for ExpertDAQ modules)
Environmental & Industrial Standards:
- Designed for industrial temperature and humidity ranges
- EMC immunity suitable for factory environments
Firmware & Protocol Support:
- Supports Modbus function codes:
- 0x01: Read Digital Output
- 0x02: Read Digital Input
- 0x03/0x04: Read Counter Values
- 0x05/0x0F: Write Digital Output
- 0x06: Clear Counter
- Fully compatible with Modbus RTU master devices
### 9. Additional Information
Warranty & Support:
- Standard manufacturer warranty (typically 2 years)
- Technical support via ExpertDAQ website and authorized distributors
Maintenance:
- No moving parts; minimal maintenance required
- Periodic verification of wiring and communication integrity recommended
Firmware & Updates:
- Firmware version readable via `$AAF` command
- Updates available through ExpertDAQ support channels
Troubleshooting & Recovery:
- INIT* pin allows reset to factory defaults
- Host watchdog timer ensures automatic recovery from communication loss
- LED indicators assist in diagnosing communication and alarm states
Documentation & Software:
- Comprehensive user manual (Rev. A.2)
- Configuration and diagnostic software available for Windows
- Modbus mapping tables and command reference included
### Summary
The ExpertDAQ EX9080RD is a robust, high-precision RS485 timer/counter module engineered for industrial automation and data acquisition applications. With dual 32-bit counters, dual open-collector outputs, programmable alarms, and a bright LED display, it provides flexible and reliable performance for counting, frequency measurement, and process control tasks. Its Modbus RTU compatibility, wide input range, and high isolation make it ideal for integration into distributed control systems, ensuring dependable operation in demanding industrial environments.
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