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- 16 Opto-Isolated Digital Inputs:
Sixteen independent input channels, grouped in two commons (8 channels per common), compatible with both current sink (negative logic) and current source (positive logic) devices.
- Wide Input Voltage Range:
Accepts 12–24 V DC input signals (±15%), suitable for industrial sensors, switches, and PLC interfaces.
- Optical Isolation:
Complete galvanic isolation between the USB bus and external I/O circuits via opto-couplers, providing superior noise immunity and protection against ground potential differences.
- USB 2.0 High-Speed Interface:
Fully compliant with USB 1.1 and USB 2.0 standards, supporting both Full-Speed (12 Mbps) and High-Speed (480 Mbps) data transfer modes.
- Bus-Powered or Self-Powered Operation:
Operates directly from USB bus power (5 V DC, 450 mA max) or from an external 5 V DC supply via the provided power connector.
- Compact DIN-Rail Mountable Design:
Integrated 35 mm DIN-rail mounting mechanism and optional magnetic mounts for flexible installation in control panels or on metal surfaces.
- Stackable Expansion Capability:
Supports up to three optional expansion modules (DI-16(FIT)GY) for a total of 64 input points per USB port.
- Trigger Monitoring Function:
Internal CPU monitors input signal transitions (rising/falling edges) and reports changes to the host PC at a minimum cycle of 1 ms.
- Screwless Terminal Connectors:
Phoenix Contact FK-MC0.5/9-ST-2.5 connectors allow tool-free wiring (AWG 28–20).
- Software Support:
Includes Windows driver library API-USBP(WDM), diagnostic utilities, and sample programs. Compatible with Visual C++, Visual Basic, C#, Delphi, and C++ Builder.
- LabVIEW Integration:
Supported through CONTEC’s VI-DAQ library for direct data acquisition and control within National Instruments’ LabVIEW environment.
- High Reliability and Safety:
Designed for industrial environments with optical isolation, surge protection recommendations, and compliance with USB electrical standards.
Sixteen independent input channels, grouped in two commons (8 channels per common), compatible with both current sink (negative logic) and current source (positive logic) devices.
- Wide Input Voltage Range:
Accepts 12–24 V DC input signals (±15%), suitable for industrial sensors, switches, and PLC interfaces.
- Optical Isolation:
Complete galvanic isolation between the USB bus and external I/O circuits via opto-couplers, providing superior noise immunity and protection against ground potential differences.
- USB 2.0 High-Speed Interface:
Fully compliant with USB 1.1 and USB 2.0 standards, supporting both Full-Speed (12 Mbps) and High-Speed (480 Mbps) data transfer modes.
- Bus-Powered or Self-Powered Operation:
Operates directly from USB bus power (5 V DC, 450 mA max) or from an external 5 V DC supply via the provided power connector.
- Compact DIN-Rail Mountable Design:
Integrated 35 mm DIN-rail mounting mechanism and optional magnetic mounts for flexible installation in control panels or on metal surfaces.
- Stackable Expansion Capability:
Supports up to three optional expansion modules (DI-16(FIT)GY) for a total of 64 input points per USB port.
- Trigger Monitoring Function:
Internal CPU monitors input signal transitions (rising/falling edges) and reports changes to the host PC at a minimum cycle of 1 ms.
- Screwless Terminal Connectors:
Phoenix Contact FK-MC0.5/9-ST-2.5 connectors allow tool-free wiring (AWG 28–20).
- Software Support:
Includes Windows driver library API-USBP(WDM), diagnostic utilities, and sample programs. Compatible with Visual C++, Visual Basic, C#, Delphi, and C++ Builder.
- LabVIEW Integration:
Supported through CONTEC’s VI-DAQ library for direct data acquisition and control within National Instruments’ LabVIEW environment.
- High Reliability and Safety:
Designed for industrial environments with optical isolation, surge protection recommendations, and compliance with USB electrical standards.
1. Product Overview
Product Name: DI-16(USB)
Model Number: DI-16(USB)GY
Series: USB 2.0 Isolated Digital Input Module
Article Number: DI-16(USB)
Manufacturer: CONTEC CO., LTD. (Osaka, Japan)
Product Category: Industrial Automation / Measurement and Control / Digital I/O Modules
The CONTEC DI-16(USB)GY is a USB 2.0–compliant, opto-isolated digital input module designed to extend the digital input capabilities of a PC. It provides 16 opto-coupler–isolated input channels supporting both current sink and current source logic, with robust electrical isolation between the PC and external I/O circuits. The module is part of CONTEC’s USB-based industrial I/O family, which includes complementary models such as DIO-8/8(USB)GY (8 input/8 output) and DO-16(USB)GY (16 output).
2. Key Features
- 16 Opto-Isolated Digital Inputs:
Sixteen independent input channels, grouped in two commons (8 channels per common), compatible with both current sink (negative logic) and current source (positive logic) devices.
- Wide Input Voltage Range:
Accepts 12–24 V DC input signals (±15%), suitable for industrial sensors, switches, and PLC interfaces.
- Optical Isolation:
Complete galvanic isolation between the USB bus and external I/O circuits via opto-couplers, providing superior noise immunity and protection against ground potential differences.
- USB 2.0 High-Speed Interface:
Fully compliant with USB 1.1 and USB 2.0 standards, supporting both Full-Speed (12 Mbps) and High-Speed (480 Mbps) data transfer modes.
- Bus-Powered or Self-Powered Operation:
Operates directly from USB bus power (5 V DC, 450 mA max) or from an external 5 V DC supply via the provided power connector.
- Compact DIN-Rail Mountable Design:
Integrated 35 mm DIN-rail mounting mechanism and optional magnetic mounts for flexible installation in control panels or on metal surfaces.
- Stackable Expansion Capability:
Supports up to three optional expansion modules (DI-16(FIT)GY) for a total of 64 input points per USB port.
- Trigger Monitoring Function:
Internal CPU monitors input signal transitions (rising/falling edges) and reports changes to the host PC at a minimum cycle of 1 ms.
- Screwless Terminal Connectors:
Phoenix Contact FK-MC0.5/9-ST-2.5 connectors allow tool-free wiring (AWG 28–20).
- Software Support:
Includes Windows driver library API-USBP(WDM), diagnostic utilities, and sample programs. Compatible with Visual C++, Visual Basic, C#, Delphi, and C++ Builder.
- LabVIEW Integration:
Supported through CONTEC’s VI-DAQ library for direct data acquisition and control within National Instruments’ LabVIEW environment.
- High Reliability and Safety:
Designed for industrial environments with optical isolation, surge protection recommendations, and compliance with USB electrical standards.
3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Input Type | Opto-isolated digital input |
| Number of Channels | 16 points (8 points/common) |
| Input Logic Compatibility | Current sink (negative logic) and current source (positive logic) |
| Input Resistance | 3 kΩ |
| Input ON Current | ≥ 3.4 mA |
| Input OFF Current | ≤ 0.16 mA |
| Input Voltage Range | 12 – 24 V DC (±15 %) |
| Response Time | ≤ 1 ms |
| Isolation Method | Opto-coupler isolation between USB bus and I/O circuits |
| Allowable Cable Length | Approx. 50 m (depending on wiring environment) |
| USB Interface | USB 2.0 / 1.1 compliant, Full-Speed (12 Mbps) / High-Speed (480 Mbps) |
| Power Supply (Bus Power) | +5 V DC ±5 %, 450 mA max |
| External Power (Self Power) | +5 V DC ±5 % via MC1.5/3-ST-3.5 connector |
| Operating Temperature | 0 – 50 °C |
| Operating Humidity | 10 – 90 % RH (non-condensing) |
| Storage Temperature | 0 – 50 °C (avoid direct sunlight, vibration, static) |
| Dimensions (W × D × H) | 50.4 × 64.7 × 94.0 mm (excluding protrusions) |
| Weight | Approx. 100 g |
| Mounting | 35 mm DIN rail (standard), magnetic or desktop use |
| Connector Type | FK-MC0.5/9-ST-2.5 (Phoenix Contact) |
| Wire Gauge | AWG 28 – 20 |
| Maximum Modules per USB Bus | 127 devices (maximum, including hubs) |
| Expansion Modules | Up to 3 × DI-16(FIT)GY (each +16 inputs, +5 V DC 150 mA max) |
4. Functionality
The DI-16(USB)GY functions as a digital input interface between industrial field devices and a host PC. Each input channel is optically isolated, allowing safe connection to sensors, switches, or PLC outputs operating at 12–24 V DC. The module detects ON/OFF states and transmits them to the PC via USB in real time.
Typical Use Cases:
- Monitoring of limit switches, pushbuttons, and proximity sensors
- Acquisition of digital status signals from PLCs or relays
- Machine condition monitoring and event logging
- Integration into PC-based control or data acquisition systems
- Laboratory automation and test equipment interfacing
Compatibility:
- Works with Windows 98/Me/2000/XP (32-bit)
- Supports programming in Visual C++, Visual Basic, C#, Delphi, and C++ Builder
- Compatible with LabVIEW via VI-DAQ library
- Can be used with CONTEC’s API-USBP(WDM) driver for custom applications
5. Components & Accessories
Included Items:
- DI-16(USB)GY main module
- USB 2.0 cable (1.8 m)
- Two × FK-MC0.5/9-ST-2.5 interface connector plugs
- One × MC1.5/3-ST-3.5 power connector plug
- Protective rubber feet × 4
- Mounting magnets × 2
- CD-ROM containing API-USBP(WDM) driver, utilities, and documentation
- Quick Start Guide
Optional Accessories:
- Expansion Modules: DI-16(FIT)GY (adds 16 inputs per unit, up to 3 units)
- AC Adapter: POA200-20 (90–264 V AC → 5 V DC 2.0 A)
- AC/DC Power Supplies: POW-AD13GY (85–132 V AC → 5 V DC 3 A), POW-AD22GY (85–265 V AC → 5 V DC 2 A)
- DC/DC Power Supplies: POW-DD10GY (10–30 V DC → 5 V DC 3 A), POW-DD43GY (30–50 V DC → 5 V DC 3 A)
- DIN Rail Adapter: Integrated (no additional hardware required)
6. Installation & Setup
Requirements:
- PC with available USB 2.0 or 1.1 port
- Administrator privileges for driver installation
- Windows 98 SE / Me / 2000 / XP
Installation Steps:
1. Connect the Module: Attach the USB cable between the module and PC.
2. Driver Installation: Insert the supplied CD-ROM and install the API-USBP(WDM) driver when prompted by Windows’ “Found New Hardware Wizard.”
3. Device Configuration: Use Windows Device Manager to assign a device name and verify operation.
4. Software Setup: Install the API-USBP(WDM) development environment and utilities from the CD menu.
5. Verification: Use the “Digital Monitor” utility to confirm input signal detection.
Mounting Options:
- DIN Rail: Snap onto a 35 mm DIN rail using the built-in latch.
- Magnetic Mount: Attach magnets to the module base for quick placement on metal surfaces.
- Desktop Use: Apply protective rubber feet to prevent slipping and ensure ventilation.
Module ID Setting:
- Rotary switches (x16 and x1) define the Module ID (00–7Fh).
- Default = 00h; assign unique IDs when multiple identical modules are connected.
External Power Connection:
- Use the supplied MC1.5/3-ST-3.5 connector for +5 V DC input when self-powered.
- Ground the FG pin for noise suppression.
7. Performance & Capabilities
- Response Time: ≤ 1 ms per channel
- Data Transfer Rate: Up to 480 Mbps (USB 2.0 High-Speed)
- Input Signal Delay: Determined by opto-coupler response and host polling rate
- Trigger Monitoring: Internal CPU detects input transitions at 1 ms intervals
- Power Consumption: +5 V DC 450 mA max (main module); +150 mA per expansion module
- Scalability: Up to 64 input points (1 main + 3 expansions)
- Reliability: Optical isolation prevents ground loops and electrical noise interference
- Limitations:
- No analog input/output capability
- No onboard counter/timer functions
- Requires Windows OS (no native Linux/Mac support)
8. Standards & Compliance
- USB Compliance: USB 2.0 / 1.1 standard compliant
- Electrical Isolation: Opto-coupler isolation between PC and I/O circuits
- Safety & Environmental:
- Operating temperature 0–50 °C
- Humidity 10–90 % RH (non-condensing)
- No corrosive gases or excessive dust
- EMC Considerations:
- Recommended use of ferrite cores on USB and power cables in noisy environments
- Grounding of FG pin and connector shields advised
- Regulatory: Designed for industrial use; conforms to CE and USB IF electrical standards (per CONTEC’s industrial product line)
9. Additional Information
Warranty:
Limited one-year warranty covering defects in materials and workmanship. Excludes damage from misuse, modification, or environmental factors.
Support & Service:
- Websites:
- Japanese: [http://www.contec.co.jp](http://www.contec.co.jp)
- English: [http://www.contec.com](http://www.contec.com)
- Chinese: [http://www.contec.com.cn](http://www.contec.com.cn)
- Downloads: Updated drivers, firmware, and sample programs available online.
- RMA Procedure: Obtain a Return Merchandise Authorization before returning products for service.
Maintenance:
- Periodically inspect ventilation slits and connectors for dust accumulation.
- Avoid mechanical shock, vibration, or exposure to moisture.
- Do not open or modify the enclosure; internal servicing voids warranty.
Firmware & Driver Updates:
- Firmware upgrades performed by setting Module ID = FFh and using the Firmware Upgrade Tool.
- Latest drivers downloadable from CONTEC’s support site.
Software Development Tools:
- API-USBP(WDM): Win32 API DLL for direct hardware control.
- Diagnostic Utility: Verifies hardware operation and generates diagnostic reports.
- Sample Programs: Provided in multiple languages for rapid application development.
- LabVIEW VI-DAQ: Enables direct integration with LabVIEW for data acquisition.
Safety Precautions:
- Do not use in environments with flammable gases or corrosive vapors.
- Always disconnect power before wiring or connecting expansion modules.
- Ground all connectors and use ferrite cores in high-noise installations.
- Observe correct polarity when connecting external power supplies.
Environmental & Disposal:
- Operate within specified temperature/humidity limits.
- Dispose of the product according to local electronic waste regulations.
### Summary
The CONTEC DI-16(USB)GY is a compact, high-reliability digital input module engineered for industrial and laboratory automation. It provides 16 opto-isolated input channels with 12–24 V DC compatibility, ensuring safe and noise-immune interfacing between field devices and PC-based control systems. Its USB 2.0 interface allows plug-and-play connectivity, while onboard isolation protects both the host computer and connected equipment.
The module’s modular design supports expansion up to 64 inputs, and its DIN-rail mountable enclosure simplifies integration into control panels. Comprehensive software support—including Windows drivers, API libraries, and LabVIEW integration—makes it ideal for developers and system integrators building custom data acquisition or monitoring solutions.
With robust electrical design, flexible power options, and extensive software ecosystem, the DI-16(USB)GY delivers reliable digital input performance for industrial automation, test systems, and PC-based measurement applications.
Product Name: DI-16(USB)
Model Number: DI-16(USB)GY
Series: USB 2.0 Isolated Digital Input Module
Article Number: DI-16(USB)
Manufacturer: CONTEC CO., LTD. (Osaka, Japan)
Product Category: Industrial Automation / Measurement and Control / Digital I/O Modules
The CONTEC DI-16(USB)GY is a USB 2.0–compliant, opto-isolated digital input module designed to extend the digital input capabilities of a PC. It provides 16 opto-coupler–isolated input channels supporting both current sink and current source logic, with robust electrical isolation between the PC and external I/O circuits. The module is part of CONTEC’s USB-based industrial I/O family, which includes complementary models such as DIO-8/8(USB)GY (8 input/8 output) and DO-16(USB)GY (16 output).
2. Key Features
- 16 Opto-Isolated Digital Inputs:
Sixteen independent input channels, grouped in two commons (8 channels per common), compatible with both current sink (negative logic) and current source (positive logic) devices.
- Wide Input Voltage Range:
Accepts 12–24 V DC input signals (±15%), suitable for industrial sensors, switches, and PLC interfaces.
- Optical Isolation:
Complete galvanic isolation between the USB bus and external I/O circuits via opto-couplers, providing superior noise immunity and protection against ground potential differences.
- USB 2.0 High-Speed Interface:
Fully compliant with USB 1.1 and USB 2.0 standards, supporting both Full-Speed (12 Mbps) and High-Speed (480 Mbps) data transfer modes.
- Bus-Powered or Self-Powered Operation:
Operates directly from USB bus power (5 V DC, 450 mA max) or from an external 5 V DC supply via the provided power connector.
- Compact DIN-Rail Mountable Design:
Integrated 35 mm DIN-rail mounting mechanism and optional magnetic mounts for flexible installation in control panels or on metal surfaces.
- Stackable Expansion Capability:
Supports up to three optional expansion modules (DI-16(FIT)GY) for a total of 64 input points per USB port.
- Trigger Monitoring Function:
Internal CPU monitors input signal transitions (rising/falling edges) and reports changes to the host PC at a minimum cycle of 1 ms.
- Screwless Terminal Connectors:
Phoenix Contact FK-MC0.5/9-ST-2.5 connectors allow tool-free wiring (AWG 28–20).
- Software Support:
Includes Windows driver library API-USBP(WDM), diagnostic utilities, and sample programs. Compatible with Visual C++, Visual Basic, C#, Delphi, and C++ Builder.
- LabVIEW Integration:
Supported through CONTEC’s VI-DAQ library for direct data acquisition and control within National Instruments’ LabVIEW environment.
- High Reliability and Safety:
Designed for industrial environments with optical isolation, surge protection recommendations, and compliance with USB electrical standards.
3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Input Type | Opto-isolated digital input |
| Number of Channels | 16 points (8 points/common) |
| Input Logic Compatibility | Current sink (negative logic) and current source (positive logic) |
| Input Resistance | 3 kΩ |
| Input ON Current | ≥ 3.4 mA |
| Input OFF Current | ≤ 0.16 mA |
| Input Voltage Range | 12 – 24 V DC (±15 %) |
| Response Time | ≤ 1 ms |
| Isolation Method | Opto-coupler isolation between USB bus and I/O circuits |
| Allowable Cable Length | Approx. 50 m (depending on wiring environment) |
| USB Interface | USB 2.0 / 1.1 compliant, Full-Speed (12 Mbps) / High-Speed (480 Mbps) |
| Power Supply (Bus Power) | +5 V DC ±5 %, 450 mA max |
| External Power (Self Power) | +5 V DC ±5 % via MC1.5/3-ST-3.5 connector |
| Operating Temperature | 0 – 50 °C |
| Operating Humidity | 10 – 90 % RH (non-condensing) |
| Storage Temperature | 0 – 50 °C (avoid direct sunlight, vibration, static) |
| Dimensions (W × D × H) | 50.4 × 64.7 × 94.0 mm (excluding protrusions) |
| Weight | Approx. 100 g |
| Mounting | 35 mm DIN rail (standard), magnetic or desktop use |
| Connector Type | FK-MC0.5/9-ST-2.5 (Phoenix Contact) |
| Wire Gauge | AWG 28 – 20 |
| Maximum Modules per USB Bus | 127 devices (maximum, including hubs) |
| Expansion Modules | Up to 3 × DI-16(FIT)GY (each +16 inputs, +5 V DC 150 mA max) |
4. Functionality
The DI-16(USB)GY functions as a digital input interface between industrial field devices and a host PC. Each input channel is optically isolated, allowing safe connection to sensors, switches, or PLC outputs operating at 12–24 V DC. The module detects ON/OFF states and transmits them to the PC via USB in real time.
Typical Use Cases:
- Monitoring of limit switches, pushbuttons, and proximity sensors
- Acquisition of digital status signals from PLCs or relays
- Machine condition monitoring and event logging
- Integration into PC-based control or data acquisition systems
- Laboratory automation and test equipment interfacing
Compatibility:
- Works with Windows 98/Me/2000/XP (32-bit)
- Supports programming in Visual C++, Visual Basic, C#, Delphi, and C++ Builder
- Compatible with LabVIEW via VI-DAQ library
- Can be used with CONTEC’s API-USBP(WDM) driver for custom applications
5. Components & Accessories
Included Items:
- DI-16(USB)GY main module
- USB 2.0 cable (1.8 m)
- Two × FK-MC0.5/9-ST-2.5 interface connector plugs
- One × MC1.5/3-ST-3.5 power connector plug
- Protective rubber feet × 4
- Mounting magnets × 2
- CD-ROM containing API-USBP(WDM) driver, utilities, and documentation
- Quick Start Guide
Optional Accessories:
- Expansion Modules: DI-16(FIT)GY (adds 16 inputs per unit, up to 3 units)
- AC Adapter: POA200-20 (90–264 V AC → 5 V DC 2.0 A)
- AC/DC Power Supplies: POW-AD13GY (85–132 V AC → 5 V DC 3 A), POW-AD22GY (85–265 V AC → 5 V DC 2 A)
- DC/DC Power Supplies: POW-DD10GY (10–30 V DC → 5 V DC 3 A), POW-DD43GY (30–50 V DC → 5 V DC 3 A)
- DIN Rail Adapter: Integrated (no additional hardware required)
6. Installation & Setup
Requirements:
- PC with available USB 2.0 or 1.1 port
- Administrator privileges for driver installation
- Windows 98 SE / Me / 2000 / XP
Installation Steps:
1. Connect the Module: Attach the USB cable between the module and PC.
2. Driver Installation: Insert the supplied CD-ROM and install the API-USBP(WDM) driver when prompted by Windows’ “Found New Hardware Wizard.”
3. Device Configuration: Use Windows Device Manager to assign a device name and verify operation.
4. Software Setup: Install the API-USBP(WDM) development environment and utilities from the CD menu.
5. Verification: Use the “Digital Monitor” utility to confirm input signal detection.
Mounting Options:
- DIN Rail: Snap onto a 35 mm DIN rail using the built-in latch.
- Magnetic Mount: Attach magnets to the module base for quick placement on metal surfaces.
- Desktop Use: Apply protective rubber feet to prevent slipping and ensure ventilation.
Module ID Setting:
- Rotary switches (x16 and x1) define the Module ID (00–7Fh).
- Default = 00h; assign unique IDs when multiple identical modules are connected.
External Power Connection:
- Use the supplied MC1.5/3-ST-3.5 connector for +5 V DC input when self-powered.
- Ground the FG pin for noise suppression.
7. Performance & Capabilities
- Response Time: ≤ 1 ms per channel
- Data Transfer Rate: Up to 480 Mbps (USB 2.0 High-Speed)
- Input Signal Delay: Determined by opto-coupler response and host polling rate
- Trigger Monitoring: Internal CPU detects input transitions at 1 ms intervals
- Power Consumption: +5 V DC 450 mA max (main module); +150 mA per expansion module
- Scalability: Up to 64 input points (1 main + 3 expansions)
- Reliability: Optical isolation prevents ground loops and electrical noise interference
- Limitations:
- No analog input/output capability
- No onboard counter/timer functions
- Requires Windows OS (no native Linux/Mac support)
8. Standards & Compliance
- USB Compliance: USB 2.0 / 1.1 standard compliant
- Electrical Isolation: Opto-coupler isolation between PC and I/O circuits
- Safety & Environmental:
- Operating temperature 0–50 °C
- Humidity 10–90 % RH (non-condensing)
- No corrosive gases or excessive dust
- EMC Considerations:
- Recommended use of ferrite cores on USB and power cables in noisy environments
- Grounding of FG pin and connector shields advised
- Regulatory: Designed for industrial use; conforms to CE and USB IF electrical standards (per CONTEC’s industrial product line)
9. Additional Information
Warranty:
Limited one-year warranty covering defects in materials and workmanship. Excludes damage from misuse, modification, or environmental factors.
Support & Service:
- Websites:
- Japanese: [http://www.contec.co.jp](http://www.contec.co.jp)
- English: [http://www.contec.com](http://www.contec.com)
- Chinese: [http://www.contec.com.cn](http://www.contec.com.cn)
- Downloads: Updated drivers, firmware, and sample programs available online.
- RMA Procedure: Obtain a Return Merchandise Authorization before returning products for service.
Maintenance:
- Periodically inspect ventilation slits and connectors for dust accumulation.
- Avoid mechanical shock, vibration, or exposure to moisture.
- Do not open or modify the enclosure; internal servicing voids warranty.
Firmware & Driver Updates:
- Firmware upgrades performed by setting Module ID = FFh and using the Firmware Upgrade Tool.
- Latest drivers downloadable from CONTEC’s support site.
Software Development Tools:
- API-USBP(WDM): Win32 API DLL for direct hardware control.
- Diagnostic Utility: Verifies hardware operation and generates diagnostic reports.
- Sample Programs: Provided in multiple languages for rapid application development.
- LabVIEW VI-DAQ: Enables direct integration with LabVIEW for data acquisition.
Safety Precautions:
- Do not use in environments with flammable gases or corrosive vapors.
- Always disconnect power before wiring or connecting expansion modules.
- Ground all connectors and use ferrite cores in high-noise installations.
- Observe correct polarity when connecting external power supplies.
Environmental & Disposal:
- Operate within specified temperature/humidity limits.
- Dispose of the product according to local electronic waste regulations.
### Summary
The CONTEC DI-16(USB)GY is a compact, high-reliability digital input module engineered for industrial and laboratory automation. It provides 16 opto-isolated input channels with 12–24 V DC compatibility, ensuring safe and noise-immune interfacing between field devices and PC-based control systems. Its USB 2.0 interface allows plug-and-play connectivity, while onboard isolation protects both the host computer and connected equipment.
The module’s modular design supports expansion up to 64 inputs, and its DIN-rail mountable enclosure simplifies integration into control panels. Comprehensive software support—including Windows drivers, API libraries, and LabVIEW integration—makes it ideal for developers and system integrators building custom data acquisition or monitoring solutions.
With robust electrical design, flexible power options, and extensive software ecosystem, the DI-16(USB)GY delivers reliable digital input performance for industrial automation, test systems, and PC-based measurement applications.
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