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CNT24-2(USB)GY

USB 2.0 isolated counter module
575,00 EUR

including VAT 684.25 EUR

  • Manufacturer Contec
  • Category: Contec USB System
  • The CNT24‑2(USB)GY is part of CONTEC’s family of industrial counter and motion control interfaces designed for use with PCs via USB. It provides isolated pulse counting capability for sensors, encoders, and other pulse‑output devices, enabling reliable measurement in electrically noisy environments. The module includes an AC adapter and USB cable for immediate deployment.
- Opto‑Isolated Input Channels: Two independent 24‑bit up/down counter channels with opto‑isolation to protect the host PC from electrical noise and ground potential differences.
- USB 2.0 Interface: Compliant with USB 2.0 high‑speed (480 Mbps) and full‑speed (12 Mbps) modes, ensuring fast and stable data communication with PCs.
- High‑Speed Counting: Supports pulse input frequencies up to 500 kHz (duty 50%) for isolated inputs, suitable for high‑speed rotary encoders and pulse sensors.
- Multiple Counting Modes: Supports two‑phase, single‑phase, and single‑phase with gate control counting systems.
- Digital Filter Function: Adjustable digital filter with a variable sampling range of 0.1 µs to 1056.1 µs, minimizing false counts due to noise or contact chattering.
- Counter Coincidence Pulse Output: Programmable output pulse when the counter reaches a preset value; output frequency adjustable from 0 ms to 104.5 ms.
- Expandable Architecture: Up to three extension modules can be connected to increase the number of channels.
- DIN‑Rail Mountable: Compact housing designed for 35 mm DIN rail installation, ideal for control panels and industrial enclosures.
- Screwless Connectors: Two FK‑MC0.5/9‑ST‑2.5 (Phoenix Contact) connectors allow tool‑free wiring for quick installation and maintenance.
- Included Accessories: AC adapter (90–264 V AC input, 5 V DC output) and 1.8 m USB cable.
- Software Support: Includes sample development and debugging utilities; compatible with CONTEC’s API‑TOOL for Windows and LabVIEW VI‑DAQ library.
- RoHS Compliant: Environmentally friendly design meeting EU RoHS directives.

Country of origin: Japan

Customs tariff number: 8473 3020 000

Comprehensive Product Summary – CNT24‑2(USB)GY USB 2.0 Isolated Counter Module




### 1. Product Overview

Product Name: USB 2.0 Isolated Counter Module
Model: CNT24‑2(USB)GY
Article Number: CNT24‑2(USB)GY
Series: CONTEC Counter & Motion Controller Series
Manufacturer: CONTEC Co., Ltd. (Japan)
Product Category: Industrial Measurement and Control – Counter Module
Product Type: Opto‑isolated up/down counter module with USB 2.0 interface
Intended Use: For PC‑based measurement, monitoring, and control systems requiring isolated pulse counting and event measurement.

The CNT24‑2(USB)GY is part of CONTEC’s family of industrial counter and motion control interfaces designed for use with PCs via USB. It provides isolated pulse counting capability for sensors, encoders, and other pulse‑output devices, enabling reliable measurement in electrically noisy environments. The module includes an AC adapter and USB cable for immediate deployment.




### 2. Key Features

- Opto‑Isolated Input Channels: Two independent 24‑bit up/down counter channels with opto‑isolation to protect the host PC from electrical noise and ground potential differences.
- USB 2.0 Interface: Compliant with USB 2.0 high‑speed (480 Mbps) and full‑speed (12 Mbps) modes, ensuring fast and stable data communication with PCs.
- High‑Speed Counting: Supports pulse input frequencies up to 500 kHz (duty 50%) for isolated inputs, suitable for high‑speed rotary encoders and pulse sensors.
- Multiple Counting Modes: Supports two‑phase, single‑phase, and single‑phase with gate control counting systems.
- Digital Filter Function: Adjustable digital filter with a variable sampling range of 0.1 µs to 1056.1 µs, minimizing false counts due to noise or contact chattering.
- Counter Coincidence Pulse Output: Programmable output pulse when the counter reaches a preset value; output frequency adjustable from 0 ms to 104.5 ms.
- Expandable Architecture: Up to three extension modules can be connected to increase the number of channels.
- DIN‑Rail Mountable: Compact housing designed for 35 mm DIN rail installation, ideal for control panels and industrial enclosures.
- Screwless Connectors: Two FK‑MC0.5/9‑ST‑2.5 (Phoenix Contact) connectors allow tool‑free wiring for quick installation and maintenance.
- Included Accessories: AC adapter (90–264 V AC input, 5 V DC output) and 1.8 m USB cable.
- Software Support: Includes sample development and debugging utilities; compatible with CONTEC’s API‑TOOL for Windows and LabVIEW VI‑DAQ library.
- RoHS Compliant: Environmentally friendly design meeting EU RoHS directives.




### 3. Technical Specifications

| Parameter | Specification |
|----------------|------------------|
| Model | CNT24‑2(USB)GY |
| Number of Channels | 2 channels |
| Counting System | 24‑bit up/down counter (two‑phase, single‑phase, or single‑phase with gate control) |
| Input Type | Opto‑isolated (sink current input) |
| Input Signals | Phase A/UP, Phase B/DOWN, Phase Z/CLR, General‑purpose input (1 point × 2 channels each) |
| Maximum Response Frequency | 500 kHz (duty 50%) |
| Input Connector | FK‑MC0.5/9‑ST‑2.5 (Phoenix Contact) |
| USB Interface | USB 2.0 compliant; supports full‑speed (12 Mbps) and high‑speed (480 Mbps) modes |
| Additional Functions | Digital filter, counter coincidence pulse output |
| Power Consumption | 5 V DC, 450 mA (max.) *¹ |
| Dimensions (W × D × H) | 50.4 mm × 64.7 mm × 94.0 mm |
| Weight | Approx. 100 g |
| Included AC Adapter | Input: AC 90–264 V 50/60 Hz; Output: DC 5.0 V ± 5%, 2.0 A (max.); Cable length ≈ 1.4 m |
| Included USB Cable | 1.8 m (Type A to Type B) |
| Operating Environment | 0 – 50 °C, 10 – 90 % RH (non‑condensing) |
| Mounting | 35 mm DIN rail |
| Isolation Method | Opto‑coupler isolation between input and logic circuits |
| Compliance | CE marking, RoHS compliant |
| Software Compatibility | Windows API‑TOOL (W32), LabVIEW VI‑DAQ library |
| Optional Modules | CNT24‑2(FIT)GY extension module |
| Optional Power Supplies | POA200‑20, POW‑AD13GY, POW‑AD22GY, POW‑DD10GY, POW‑DD43GY |

*¹ When using extension modules, current consumption may exceed 500 mA; use the included AC adapter or an optional external power supply.




### 4. Functionality

The CNT24‑2(USB)GY operates as a dual‑channel, 24‑bit up/down counter module that interfaces with a PC via USB. Each channel can independently count pulses from external devices such as incremental rotary encoders, linear gauges, or pulse‑output flowmeters. The module supports both single‑phase and quadrature (two‑phase) counting, allowing direction detection and precise position measurement.

Operating Principle:
- Pulse Input: External devices generate pulse trains corresponding to motion or events. These pulses are received through opto‑isolated inputs, ensuring electrical separation from the host system.
- Counting Logic: The onboard logic counts up or down based on the phase relationship of the input signals. The 24‑bit counter can accumulate up to 16,777,215 counts before rollover.
- Filtering: The digital filter suppresses noise and contact bounce, ensuring accurate counting even in electrically noisy environments.
- Coincidence Output: When the counter value matches a preset threshold, the module can output a programmable pulse for synchronization or control purposes.
- Communication: Data is transferred to the PC via USB 2.0, enabling real‑time monitoring and control through CONTEC’s driver software or user applications.

Typical Applications:
- Position and speed measurement using rotary encoders or linear scales
- Flow rate or volume measurement using pulse‑output flowmeters
- Event counting in production lines or test systems
- Frequency measurement and pulse accumulation in laboratory setups
- Integration into distributed monitoring systems via CONTEC’s F&eIT network

Compatibility:
- Works with Windows‑based PCs equipped with USB 2.0/1.1 ports
- Compatible with CONTEC’s API‑TOOL (W32) and LabVIEW VI‑DAQ software
- Can be expanded with up to three CNT24‑2(FIT)GY modules for additional channels




### 5. Components & Accessories

Included Items:
- CNT24‑2(USB)GY main unit
- AC adapter (POA200‑20 or equivalent)
- USB 2.0 cable (1.8 m)
- Sample software and utility tools
- User manual and setup guide

Optional Accessories:
- Extension Modules: CNT24‑2(FIT)GY for channel expansion (up to 3 sets)
- Power Supplies: POW‑AD13GY, POW‑AD22GY, POW‑DD10GY, POW‑DD43GY
- Mounting Hardware: DIN rail adapters and end plates for panel installation
- Cables and Connectors: Additional Phoenix Contact screwless connectors for custom wiring
- Software Libraries: API‑TOOL (W32) for Windows, VI‑DAQ for LabVIEW




### 6. Installation & Setup

System Requirements:
- PC with available USB 2.0 or 1.1 port
- Windows operating system (Windows 10/11 or later recommended)
- Administrator privileges for driver installation

Installation Steps:
1. Mounting: Attach the module to a 35 mm DIN rail using the integrated clip.
2. Power Connection: Connect the included AC adapter to the DC input jack (5 V DC).
3. Signal Wiring: Insert signal wires into the screwless connectors (FK‑MC0.5/9‑ST‑2.5). No special tools are required.
4. USB Connection: Connect the module to the PC using the supplied USB cable. The device is recognized automatically by the driver.
5. Driver Installation: Install the API‑TOOL (W32) driver package or LabVIEW VI‑DAQ library from CONTEC’s website.
6. Configuration: Use the included utility software to set filter parameters, counter modes, and output timing.
7. Verification: Run the sample application to confirm proper operation and communication.

Mounting Options:
- Standard DIN rail mount (35 mm)
- Optional panel mount using brackets or adapter plates




### 7. Performance & Capabilities

- Counting Speed: Up to 500 kHz for isolated inputs (duty 50%)
- Resolution: 24‑bit binary (16,777,216 counts per channel)
- Input Isolation: Opto‑coupler isolation protects against voltage surges and ground loops
- Filter Range: 0.1 µs to 1056.1 µs (variable)
- Output Pulse Width: 0 to 104.5 ms programmable
- Power Efficiency: Low power consumption (450 mA at 5 V DC)
- Data Transfer Rate: USB 2.0 high‑speed 480 Mbps (max.)
- Scalability: Expandable to 8 channels with three additional modules
- Reliability: Industrial‑grade design for continuous operation in factory environments
- Limitations: When using multiple modules, ensure adequate power supply capacity and USB bandwidth.




### 8. Standards & Compliance

- USB Compliance: USB 2.0 Specification (Full Speed 12 Mbps / High Speed 480 Mbps)
- Safety and EMC: CE marking for European market compliance
- Environmental: RoHS Directive compliant (lead‑free construction)
- Isolation Protection: Opto‑coupler input isolation for noise immunity and safety
- Quality Assurance: Manufactured under ISO 9001 certified processes
- Software Standards: API conforms to Win32 API and LabVIEW VI standards for compatibility with industrial automation software.




### 9. Additional Information

Warranty:
Standard one‑year manufacturer’s warranty covering defects in materials and workmanship. Extended warranty and maintenance contracts available through CONTEC service partners.

Technical Support:
- Online documentation and driver downloads available at [www.contec.com](http://www.contec.com)
- Email and phone support for installation and application development
- Sample source code and API reference manuals provided for developers

Maintenance:
- Periodically inspect connectors and wiring for loose contacts or damage.
- Keep the module free from dust and moisture.
- Use only the specified power supply to avoid overcurrent damage.

Firmware and Software Updates:
- Firmware updates and driver revisions are available from CONTEC’s website.
- API‑TOOL and VI‑DAQ libraries are license‑free and regularly updated for new Windows versions.

Related Products:
- CNT24‑4(PCI)H: 4‑channel 24‑bit counter for PCI bus
- CNT24‑4D(PCI)H: Differential input version with surge protection
- CNT32‑8M(PCI): High‑speed 32‑bit 8‑channel counter for PCI
- CNT24‑2(FIT)GY: Extension module for CNT24‑2(USB)GY

Ordering Information:
- CNT24‑2(USB)GY: Main unit with AC adapter and USB cable
- CNT24‑2(FIT)GY: Optional expansion module
- POW‑AD22GY: Optional AC adapter (5 V DC output)
- POW‑DD10GY / POW‑DD43GY: Optional DC power supplies for multi‑module systems




### Summary

The CONTEC CNT24‑2(USB)GY is a compact, high‑reliability USB 2.0 isolated counter module designed for industrial and laboratory measurement systems. With two 24‑bit up/down counters, opto‑isolated inputs, and USB connectivity, it provides precise pulse counting and event measurement while protecting the host PC from electrical interference. Its digital filter, programmable output, and expandable architecture make it suitable for a wide range of automation, monitoring, and data acquisition applications. The inclusion of an AC adapter, USB cable, and software tools ensures rapid deployment and integration into existing systems.

Engineered to meet industrial standards for performance, safety, and environmental compliance, the CNT24‑2(USB)GY delivers a robust and flexible solution for PC‑based counter measurement tasks in manufacturing, research, and process control environments.

No accessories available.