DIN-68S-01
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PCI-7444
PCI isol. 128DO+32 DIO, COS, WDT, readback Card
733,00 EUR
including VAT 872.27 EUR
- High Channel Density:
128 isolated digital output (DO) channels and 32 programmable TTL I/O channels.
- Optical Isolation:
1,250 V RMS isolation between channels and system logic, ensuring protection against voltage transients and ground loops.
- High Output Drive Capability:
Each isolated output channel can sink up to 250 mA continuous current (300 mA maximum) at 60°C, supporting direct control of relays, solenoids, and actuators.
- Open-Drain MOSFET Outputs:
Utilizes TPC8206 MOSFET drivers for reliable switching of 5–40 V loads.
- Programmable Safety and Power-Up States:
- Configurable power-up DO initial states stored in onboard flash memory.
- Programmable safety DO states activated automatically upon WDT timeout.
- Retains DO values after hot system reset.
- Watchdog Timer (WDT):
32-bit timer with 10 MHz base clock for system monitoring and fail-safe output control.
- Digital Output Readback:
Real-time readback of output states for verification and diagnostics.
- Board ID Function:
DIP switch-configurable board ID for easy identification in multi-card systems.
- TTL I/O Flexibility:
32 TTL channels configurable as input or output, supporting both 3.3 V and 5 V logic levels.
- PCI Bus Compatibility:
Fully compliant with 32-bit, 3.3 V/5 V PCI bus, Plug and Play (PnP) supported.
- Software Support:
Compatible with ADLINK PCIS-DASK driver library, DAQ-LVIEW PnP for LabVIEW®, and DAQBench™ ActiveX controls.
128 isolated digital output (DO) channels and 32 programmable TTL I/O channels.
- Optical Isolation:
1,250 V RMS isolation between channels and system logic, ensuring protection against voltage transients and ground loops.
- High Output Drive Capability:
Each isolated output channel can sink up to 250 mA continuous current (300 mA maximum) at 60°C, supporting direct control of relays, solenoids, and actuators.
- Open-Drain MOSFET Outputs:
Utilizes TPC8206 MOSFET drivers for reliable switching of 5–40 V loads.
- Programmable Safety and Power-Up States:
- Configurable power-up DO initial states stored in onboard flash memory.
- Programmable safety DO states activated automatically upon WDT timeout.
- Retains DO values after hot system reset.
- Watchdog Timer (WDT):
32-bit timer with 10 MHz base clock for system monitoring and fail-safe output control.
- Digital Output Readback:
Real-time readback of output states for verification and diagnostics.
- Board ID Function:
DIP switch-configurable board ID for easy identification in multi-card systems.
- TTL I/O Flexibility:
32 TTL channels configurable as input or output, supporting both 3.3 V and 5 V logic levels.
- PCI Bus Compatibility:
Fully compliant with 32-bit, 3.3 V/5 V PCI bus, Plug and Play (PnP) supported.
- Software Support:
Compatible with ADLINK PCIS-DASK driver library, DAQ-LVIEW PnP for LabVIEW®, and DAQBench™ ActiveX controls.
Comprehensive Product Summary: ADLINK NuDAQ PCI-7444 Isolated Digital Output Card
### 1. Product Overview
Product Name: PCI-7444
Model: PCI-7444
Series: NuDAQ® PCI-7440 Series (includes PCI-7442, PCI-7443, PCI-7444)
Article Number: 50-11218-2000
Manufacturer: ADLINK Technology Inc.
Product Type: PCI Bus Isolated Digital Output and TTL I/O Card
Revision: Manual Rev. 2.01 (March 12, 2007)
Manufacturer Website: [www.adlinktech.com](http://www.adlinktech.com)
The ADLINK PCI-7444 is a high-density, isolated digital output card designed for industrial automation, machine control, and laboratory applications. It provides 128 optically isolated digital output channels and 32 programmable TTL I/O channels, offering robust electrical isolation, high current sinking capability, and advanced safety and monitoring features such as watchdog timer (WDT), programmable power-up/safety states, and digital output readback.
### 2. Key Features
- High Channel Density:
128 isolated digital output (DO) channels and 32 programmable TTL I/O channels.
- Optical Isolation:
1,250 V RMS isolation between channels and system logic, ensuring protection against voltage transients and ground loops.
- High Output Drive Capability:
Each isolated output channel can sink up to 250 mA continuous current (300 mA maximum) at 60°C, supporting direct control of relays, solenoids, and actuators.
- Open-Drain MOSFET Outputs:
Utilizes TPC8206 MOSFET drivers for reliable switching of 5–40 V loads.
- Programmable Safety and Power-Up States:
- Configurable power-up DO initial states stored in onboard flash memory.
- Programmable safety DO states activated automatically upon WDT timeout.
- Retains DO values after hot system reset.
- Watchdog Timer (WDT):
32-bit timer with 10 MHz base clock for system monitoring and fail-safe output control.
- Digital Output Readback:
Real-time readback of output states for verification and diagnostics.
- Board ID Function:
DIP switch-configurable board ID for easy identification in multi-card systems.
- TTL I/O Flexibility:
32 TTL channels configurable as input or output, supporting both 3.3 V and 5 V logic levels.
- PCI Bus Compatibility:
Fully compliant with 32-bit, 3.3 V/5 V PCI bus, Plug and Play (PnP) supported.
- Software Support:
Compatible with ADLINK PCIS-DASK driver library, DAQ-LVIEW PnP for LabVIEW®, and DAQBench™ ActiveX controls.
### 3. Technical Specifications
General:
- Bus Interface: 32-bit PCI bus (3.3 V / 5 V signaling)
- Isolation Voltage: 1,250 V RMS
- Dimensions: 174.7 mm (L) × 106.7 mm (W)
- Operating Temperature: 0 °C to 60 °C
- Storage Temperature: -40 °C to 80 °C
- Humidity: 5% to 85% RH, non-condensing
- Power Consumption: +5 V @ 800 mA (typical)
Isolated Digital Output (IDO):
- Channels: 128
- Output Type: Open-drain MOSFET (TPC8206)
- Output Voltage Range: 5 V to 40 V
- Sink Current: 250 mA per channel (300 mA max)
- Isolation: 1,250 V RMS
- Data Transfer Mode: Programmed I/O
- Readback: Supported for all channels
TTL I/O:
- Channels: 32 programmable I/O
- Logic Level: TTL / 3.3 V TTL
- Current Drive: 4 mA max per channel
- Connectors: JP3 and JP4 (20-pin headers)
- Data Transfer: Programmed I/O
Watchdog Timer (WDT):
- Base Clock: 10 MHz fixed
- Counter Width: 32-bit
- Interval Range: 0 to 429.496 seconds
- Functions: Overflow interrupt, safety DO activation
Safety Functions:
- Programmable power-up DO initial state
- Programmable safety DO state (triggered by WDT)
- DO state retention after hot system reset
Connectors:
- Isolated DO Connectors:
- CN1A, CN1B (channels 0–63)
- CN2A, CN2B (channels 64–127)
- Connector Type: 68-pin VHDCI female (×4)
- TTL I/O Connectors:
- JP3 (TTLIO_0–15)
- JP4 (TTLIO_16–31)
### 4. Functionality
The PCI-7444 operates as a high-density isolated digital output interface for industrial control systems. Each output channel is optically isolated and driven by a power MOSFET, allowing safe interfacing with external loads such as relays, solenoids, and indicators.
Operation Principles:
- Digital Output Control:
Output states are written to internal registers and latched simultaneously across all channels or per port (Port 0: channels 0–63, Port 1: channels 64–127).
- Readback Function:
The card supports readback of output states for verification and fault detection.
- Safety and Reliability:
The watchdog timer monitors system health; if the host fails to refresh the timer, the card automatically sets outputs to predefined safety states.
- Hot Reset Hold:
Maintains output states during system resets to prevent unintended switching.
- TTL I/O:
Provides additional 32 channels for low-voltage digital interfacing, configurable as input or output.
Applications:
- Machine and process automation
- Industrial ON/OFF control
- Relay and solenoid actuation
- Signal routing and switching
- Laboratory instrumentation and test systems
Compatibility:
- Compatible with Windows® 98/NT/2000/XP via PCIS-DASK driver
- Supports LabVIEW® through DAQ-LVIEW PnP
- ActiveX integration via DAQBench™
### 5. Components & Accessories
Included Items:
- PCI-7444 card
- ACL-10337 DB37F bracket
- ADLINK All-in-One CD (drivers, manuals, software)
- User’s Manual
Optional Accessories:
- External terminal boards and cables (VHDCI to screw terminal)
- Additional PCI-7440 series cards for multi-board configurations
Connectors:
- CN1A/CN1B/CN2A/CN2B: 68-pin VHDCI female connectors for isolated outputs
- JP3/JP4: 20-pin headers for TTL I/O
- S1: 4-bit DIP switch for board ID configuration
### 6. Installation & Setup
System Requirements:
- Available 32-bit PCI slot (3.3 V or 5 V signaling)
- Compatible operating system (Windows® 98/NT/2000/XP)
- ADLINK PCIS-DASK driver installed
Installation Steps:
1. Power off the host system and discharge static electricity.
2. Insert the PCI-7444 into an available PCI slot.
3. Secure the bracket and connect external cables to VHDCI connectors.
4. Configure the board ID using DIP switch S1 if multiple cards are installed.
5. Power on the system and install drivers from the ADLINK All-in-One CD.
6. Verify installation using ADLINK diagnostic utilities or sample programs.
Mounting Options:
- Standard PCI slot mounting
- External wiring via VHDCI connectors to terminal boards
Configuration:
- Board ID set via 4-bit DIP switch (16 possible IDs)
- TTL I/O direction configured via software registers
- Power-up and safety DO states programmed and stored in onboard flash
### 7. Performance & Capabilities
Speed and Throughput:
- Programmed I/O operation with simultaneous update of all 128 channels
- Fast response suitable for real-time control applications
Capacity:
- 128 isolated DO channels
- 32 TTL I/O channels
Efficiency and Reliability:
- Optical isolation ensures noise immunity and protection from voltage surges
- MOSFET outputs provide high-speed switching and long operational life
- Watchdog timer and safety functions enhance system reliability
Limitations:
- No isolated digital input channels (output-only configuration)
- Maximum sink current limited to 300 mA per channel
- Requires external power supply for inductive loads
### 8. Standards & Compliance
Electrical and Mechanical Standards:
- PCI Local Bus Specification, Revision 2.2 compliant
- 32-bit PCI interface supporting both 3.3 V and 5 V signaling
Isolation and Safety:
- 1,250 V RMS optical isolation between channels and logic circuitry
Environmental Compliance:
- Operating temperature: 0–60 °C
- Storage temperature: -40–80 °C
- Humidity: 5–85% non-condensing
Certifications:
- CE and FCC compliance (typical for ADLINK industrial PCI cards)
- RoHS-compliant manufacturing
### 9. Additional Information
Warranty:
- Standard 2-year limited warranty (1 year in China)
- Covers manufacturing defects and hardware failures under normal use
- Excludes damage from misuse, improper installation, or environmental factors
Support & Service:
- Global technical support via ADLINK regional offices:
- Taiwan HQ: service@adlinktech.com
- USA: info@adlinktech.com
- Europe: emea@adlinktech.com
- Singapore: singapore@adlinktech.com
- India: india@adlinktech.com
- China Offices: market@adlinkchina.com.cn
- RMA process available online at [http://rma.adlinktech.com/policy](http://rma.adlinktech.com/policy)
Maintenance:
- Handle only in static-free environments
- Avoid exposure to high humidity or temperature extremes
- Periodically inspect connectors and cables for wear
Software Updates:
- Driver and firmware updates available via ADLINK website
- PCIS-DASK library and LabVIEW® drivers included on CD
Documentation:
- User’s Manual (Rev. 2.01)
- Software Installation Guide
- Function Reference Manual for PCIS-DASK
### Summary
The ADLINK PCI-7444 is a robust, high-density isolated digital output card engineered for demanding industrial automation and control environments. With 128 optically isolated outputs, 32 programmable TTL I/O channels, and advanced safety mechanisms such as watchdog timer, programmable power-up/safety states, and output readback, it provides a reliable interface between PC-based control systems and external devices. Its 1,250 V RMS isolation, high current drive capability, and comprehensive software support make it ideal for machine automation, process control, and laboratory instrumentation applications requiring precise, fail-safe digital output control.
### 1. Product Overview
Product Name: PCI-7444
Model: PCI-7444
Series: NuDAQ® PCI-7440 Series (includes PCI-7442, PCI-7443, PCI-7444)
Article Number: 50-11218-2000
Manufacturer: ADLINK Technology Inc.
Product Type: PCI Bus Isolated Digital Output and TTL I/O Card
Revision: Manual Rev. 2.01 (March 12, 2007)
Manufacturer Website: [www.adlinktech.com](http://www.adlinktech.com)
The ADLINK PCI-7444 is a high-density, isolated digital output card designed for industrial automation, machine control, and laboratory applications. It provides 128 optically isolated digital output channels and 32 programmable TTL I/O channels, offering robust electrical isolation, high current sinking capability, and advanced safety and monitoring features such as watchdog timer (WDT), programmable power-up/safety states, and digital output readback.
### 2. Key Features
- High Channel Density:
128 isolated digital output (DO) channels and 32 programmable TTL I/O channels.
- Optical Isolation:
1,250 V RMS isolation between channels and system logic, ensuring protection against voltage transients and ground loops.
- High Output Drive Capability:
Each isolated output channel can sink up to 250 mA continuous current (300 mA maximum) at 60°C, supporting direct control of relays, solenoids, and actuators.
- Open-Drain MOSFET Outputs:
Utilizes TPC8206 MOSFET drivers for reliable switching of 5–40 V loads.
- Programmable Safety and Power-Up States:
- Configurable power-up DO initial states stored in onboard flash memory.
- Programmable safety DO states activated automatically upon WDT timeout.
- Retains DO values after hot system reset.
- Watchdog Timer (WDT):
32-bit timer with 10 MHz base clock for system monitoring and fail-safe output control.
- Digital Output Readback:
Real-time readback of output states for verification and diagnostics.
- Board ID Function:
DIP switch-configurable board ID for easy identification in multi-card systems.
- TTL I/O Flexibility:
32 TTL channels configurable as input or output, supporting both 3.3 V and 5 V logic levels.
- PCI Bus Compatibility:
Fully compliant with 32-bit, 3.3 V/5 V PCI bus, Plug and Play (PnP) supported.
- Software Support:
Compatible with ADLINK PCIS-DASK driver library, DAQ-LVIEW PnP for LabVIEW®, and DAQBench™ ActiveX controls.
### 3. Technical Specifications
General:
- Bus Interface: 32-bit PCI bus (3.3 V / 5 V signaling)
- Isolation Voltage: 1,250 V RMS
- Dimensions: 174.7 mm (L) × 106.7 mm (W)
- Operating Temperature: 0 °C to 60 °C
- Storage Temperature: -40 °C to 80 °C
- Humidity: 5% to 85% RH, non-condensing
- Power Consumption: +5 V @ 800 mA (typical)
Isolated Digital Output (IDO):
- Channels: 128
- Output Type: Open-drain MOSFET (TPC8206)
- Output Voltage Range: 5 V to 40 V
- Sink Current: 250 mA per channel (300 mA max)
- Isolation: 1,250 V RMS
- Data Transfer Mode: Programmed I/O
- Readback: Supported for all channels
TTL I/O:
- Channels: 32 programmable I/O
- Logic Level: TTL / 3.3 V TTL
- Current Drive: 4 mA max per channel
- Connectors: JP3 and JP4 (20-pin headers)
- Data Transfer: Programmed I/O
Watchdog Timer (WDT):
- Base Clock: 10 MHz fixed
- Counter Width: 32-bit
- Interval Range: 0 to 429.496 seconds
- Functions: Overflow interrupt, safety DO activation
Safety Functions:
- Programmable power-up DO initial state
- Programmable safety DO state (triggered by WDT)
- DO state retention after hot system reset
Connectors:
- Isolated DO Connectors:
- CN1A, CN1B (channels 0–63)
- CN2A, CN2B (channels 64–127)
- Connector Type: 68-pin VHDCI female (×4)
- TTL I/O Connectors:
- JP3 (TTLIO_0–15)
- JP4 (TTLIO_16–31)
### 4. Functionality
The PCI-7444 operates as a high-density isolated digital output interface for industrial control systems. Each output channel is optically isolated and driven by a power MOSFET, allowing safe interfacing with external loads such as relays, solenoids, and indicators.
Operation Principles:
- Digital Output Control:
Output states are written to internal registers and latched simultaneously across all channels or per port (Port 0: channels 0–63, Port 1: channels 64–127).
- Readback Function:
The card supports readback of output states for verification and fault detection.
- Safety and Reliability:
The watchdog timer monitors system health; if the host fails to refresh the timer, the card automatically sets outputs to predefined safety states.
- Hot Reset Hold:
Maintains output states during system resets to prevent unintended switching.
- TTL I/O:
Provides additional 32 channels for low-voltage digital interfacing, configurable as input or output.
Applications:
- Machine and process automation
- Industrial ON/OFF control
- Relay and solenoid actuation
- Signal routing and switching
- Laboratory instrumentation and test systems
Compatibility:
- Compatible with Windows® 98/NT/2000/XP via PCIS-DASK driver
- Supports LabVIEW® through DAQ-LVIEW PnP
- ActiveX integration via DAQBench™
### 5. Components & Accessories
Included Items:
- PCI-7444 card
- ACL-10337 DB37F bracket
- ADLINK All-in-One CD (drivers, manuals, software)
- User’s Manual
Optional Accessories:
- External terminal boards and cables (VHDCI to screw terminal)
- Additional PCI-7440 series cards for multi-board configurations
Connectors:
- CN1A/CN1B/CN2A/CN2B: 68-pin VHDCI female connectors for isolated outputs
- JP3/JP4: 20-pin headers for TTL I/O
- S1: 4-bit DIP switch for board ID configuration
### 6. Installation & Setup
System Requirements:
- Available 32-bit PCI slot (3.3 V or 5 V signaling)
- Compatible operating system (Windows® 98/NT/2000/XP)
- ADLINK PCIS-DASK driver installed
Installation Steps:
1. Power off the host system and discharge static electricity.
2. Insert the PCI-7444 into an available PCI slot.
3. Secure the bracket and connect external cables to VHDCI connectors.
4. Configure the board ID using DIP switch S1 if multiple cards are installed.
5. Power on the system and install drivers from the ADLINK All-in-One CD.
6. Verify installation using ADLINK diagnostic utilities or sample programs.
Mounting Options:
- Standard PCI slot mounting
- External wiring via VHDCI connectors to terminal boards
Configuration:
- Board ID set via 4-bit DIP switch (16 possible IDs)
- TTL I/O direction configured via software registers
- Power-up and safety DO states programmed and stored in onboard flash
### 7. Performance & Capabilities
Speed and Throughput:
- Programmed I/O operation with simultaneous update of all 128 channels
- Fast response suitable for real-time control applications
Capacity:
- 128 isolated DO channels
- 32 TTL I/O channels
Efficiency and Reliability:
- Optical isolation ensures noise immunity and protection from voltage surges
- MOSFET outputs provide high-speed switching and long operational life
- Watchdog timer and safety functions enhance system reliability
Limitations:
- No isolated digital input channels (output-only configuration)
- Maximum sink current limited to 300 mA per channel
- Requires external power supply for inductive loads
### 8. Standards & Compliance
Electrical and Mechanical Standards:
- PCI Local Bus Specification, Revision 2.2 compliant
- 32-bit PCI interface supporting both 3.3 V and 5 V signaling
Isolation and Safety:
- 1,250 V RMS optical isolation between channels and logic circuitry
Environmental Compliance:
- Operating temperature: 0–60 °C
- Storage temperature: -40–80 °C
- Humidity: 5–85% non-condensing
Certifications:
- CE and FCC compliance (typical for ADLINK industrial PCI cards)
- RoHS-compliant manufacturing
### 9. Additional Information
Warranty:
- Standard 2-year limited warranty (1 year in China)
- Covers manufacturing defects and hardware failures under normal use
- Excludes damage from misuse, improper installation, or environmental factors
Support & Service:
- Global technical support via ADLINK regional offices:
- Taiwan HQ: service@adlinktech.com
- USA: info@adlinktech.com
- Europe: emea@adlinktech.com
- Singapore: singapore@adlinktech.com
- India: india@adlinktech.com
- China Offices: market@adlinkchina.com.cn
- RMA process available online at [http://rma.adlinktech.com/policy](http://rma.adlinktech.com/policy)
Maintenance:
- Handle only in static-free environments
- Avoid exposure to high humidity or temperature extremes
- Periodically inspect connectors and cables for wear
Software Updates:
- Driver and firmware updates available via ADLINK website
- PCIS-DASK library and LabVIEW® drivers included on CD
Documentation:
- User’s Manual (Rev. 2.01)
- Software Installation Guide
- Function Reference Manual for PCIS-DASK
### Summary
The ADLINK PCI-7444 is a robust, high-density isolated digital output card engineered for demanding industrial automation and control environments. With 128 optically isolated outputs, 32 programmable TTL I/O channels, and advanced safety mechanisms such as watchdog timer, programmable power-up/safety states, and output readback, it provides a reliable interface between PC-based control systems and external devices. Its 1,250 V RMS isolation, high current drive capability, and comprehensive software support make it ideal for machine automation, process control, and laboratory instrumentation applications requiring precise, fail-safe digital output control.
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PCI-7442+7443+7444_Datasheet_1.pdf
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