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- Four Independent 32‑bit Counters: Each channel supports up/down counting with two‑phase, single‑phase, or single‑phase + gate control modes.
- High‑Speed LVTTL Input: Accepts pulse signals up to 10 MHz (duty 50 %).
- Two‑Phase Signal Support: Capable of decoding quadrature encoder signals (A/B/Z phases).
- Bus‑Master Transfer: Enables high‑speed DMA data transfer between the card and PC memory without CPU load.
- Programmable Timer: 1 – 6553 ms (1 ms steps) for periodic interrupts or timing control.
- Digital Filter: Hardware noise suppression with programmable delay (0.1 µs – 1.6384 ms).
- Interrupt Generation: One interrupt line with multiple factors – count match, count error, sampling factors, carry/borrow, timer.
- Sampling Function: Internal or external clock sampling up to 20 MHz (1 ch) using bus‑master DMA.
- Test Pulse Output: Built‑in 100 kHz LVTTL test pulse for self‑diagnosis.
- Software Compatibility: Bundled Windows API‑PAC(W32) driver library; supports C/C++, Visual Basic, Delphi, LabVIEW (VI‑DAQ).
- Optional Differential Input Conversion: Differential/TTL input terminal (CTP‑4D) and CNT‑68M/50M cable enable differential signal operation.
- Compact CardBus Type II Form Factor: Ideal for notebook or embedded systems requiring portable high‑speed counting.
- RoHS / Pb‑Free Compliant: Environmentally safe design.
- High‑Speed LVTTL Input: Accepts pulse signals up to 10 MHz (duty 50 %).
- Two‑Phase Signal Support: Capable of decoding quadrature encoder signals (A/B/Z phases).
- Bus‑Master Transfer: Enables high‑speed DMA data transfer between the card and PC memory without CPU load.
- Programmable Timer: 1 – 6553 ms (1 ms steps) for periodic interrupts or timing control.
- Digital Filter: Hardware noise suppression with programmable delay (0.1 µs – 1.6384 ms).
- Interrupt Generation: One interrupt line with multiple factors – count match, count error, sampling factors, carry/borrow, timer.
- Sampling Function: Internal or external clock sampling up to 20 MHz (1 ch) using bus‑master DMA.
- Test Pulse Output: Built‑in 100 kHz LVTTL test pulse for self‑diagnosis.
- Software Compatibility: Bundled Windows API‑PAC(W32) driver library; supports C/C++, Visual Basic, Delphi, LabVIEW (VI‑DAQ).
- Optional Differential Input Conversion: Differential/TTL input terminal (CTP‑4D) and CNT‑68M/50M cable enable differential signal operation.
- Compact CardBus Type II Form Factor: Ideal for notebook or embedded systems requiring portable high‑speed counting.
- RoHS / Pb‑Free Compliant: Environmentally safe design.
Comprehensive Product Summary – CONTEC CNT32‑4MT(CB)
### 1. Product Overview
Product Name: CNT32‑4MT(CB)
Model / Article Number: CNT32‑4MT(CB)
Series: 32‑bit Up/Down Counter Series (CardBus Type II)
Manufacturer: CONTEC Co., Ltd.
Product Type: CardBus Type II 4‑channel 32‑bit up/down counter card
Bus Interface: PC Card Standard – CardBus (32‑bit)
Category: Counter & Motion Controller / Measurement and Control Interface Board
The CONTEC CNT32‑4MT(CB) is a high‑speed, four‑channel, 32‑bit up/down counter card designed for CardBus Type II slots. It provides LVTTL‑level pulse input capability for counting two‑phase or single‑phase signals from external devices such as rotary encoders, linear gauges, or pulse‑output sensors. The card supports bus‑master data transfer for high‑speed sampling and is compatible with CONTEC’s PCI and PCI Express counter boards (CNT32‑4MT(LPCI), CNT‑3204MT‑LPE).
### 2. Key Features
- Four Independent 32‑bit Counters: Each channel supports up/down counting with two‑phase, single‑phase, or single‑phase + gate control modes.
- High‑Speed LVTTL Input: Accepts pulse signals up to 10 MHz (duty 50 %).
- Two‑Phase Signal Support: Capable of decoding quadrature encoder signals (A/B/Z phases).
- Bus‑Master Transfer: Enables high‑speed DMA data transfer between the card and PC memory without CPU load.
- Programmable Timer: 1 – 6553 ms (1 ms steps) for periodic interrupts or timing control.
- Digital Filter: Hardware noise suppression with programmable delay (0.1 µs – 1.6384 ms).
- Interrupt Generation: One interrupt line with multiple factors – count match, count error, sampling factors, carry/borrow, timer.
- Sampling Function: Internal or external clock sampling up to 20 MHz (1 ch) using bus‑master DMA.
- Test Pulse Output: Built‑in 100 kHz LVTTL test pulse for self‑diagnosis.
- Software Compatibility: Bundled Windows API‑PAC(W32) driver library; supports C/C++, Visual Basic, Delphi, LabVIEW (VI‑DAQ).
- Optional Differential Input Conversion: Differential/TTL input terminal (CTP‑4D) and CNT‑68M/50M cable enable differential signal operation.
- Compact CardBus Type II Form Factor: Ideal for notebook or embedded systems requiring portable high‑speed counting.
- RoHS / Pb‑Free Compliant: Environmentally safe design.
### 3. Technical Specifications
| Parameter | Specification |
|----------------|------------------|
| Number of Channels | 4 channels |
| Counting System | 32‑bit up/down (two‑phase / single‑phase / single‑phase with gate control) |
| Maximum Count Value | FFFFFFFFh (32‑bit binary) |
| Input Type | Unisolated LVTTL level input |
| Input Signals | Phase A/UP × 4, Phase B/DOWN × 4, Phase Z/CLR × 4 |
| Response Frequency | 10 MHz (max., duty 50 %) |
| Digital Filter | 0.1 µs – 1.6384 ms or disabled (software‑selectable per channel) |
| Timer | 1 – 6553 ms (1 ms steps) |
| Counter Start Trigger | Software / External Start Input / Sampling Start Trigger |
| Counter Stop Trigger | Software / External Stop Input / Sampling Stop Trigger |
| Sampling Start Trigger | Software / External Start Input / Count Match |
| Sampling Stop Trigger | Software / External Stop Input / Specified Count / Bus‑Master Error / Count Match |
| Sampling Clock | Internal (50 ns – 107 s, 25 ns steps) or External (falling edge, 10 MHz max.) |
| Control Input Type | Unisolated LVTTL input (1 per channel) |
| Control Input Functions | Preset / Zero‑clear / Counter Start‑Stop / General Input (positive logic) |
| Control Output Type | Unisolated LVTTL output (1 per channel) |
| Control Output Functions | Count Match 0/1, Digital Filter Error, Abnormal Input Error, General Output |
| One‑Shot Pulse Widths | 10 µs, 100 µs, 1 ms, 10 ms, 100 ms (selectable) |
| Output Drive | IOL = 8 mA (max.), IOH = –8 mA (max.) |
| Test Pulse Output | LVTTL 100 kHz fixed (Phase A and B outputs) |
| Sampling Output Signals | Start, Stop, Clock (one‑shot 100 ns, negative logic) |
| Bus Master DMA | 32‑bit width, 1 channel, 80 MB/s (133 MB/s max.), 1 K‑DWord FIFO, 64 MB scatter/gather |
| Interrupt Factors | Count match, count error, sampling factors, carry/borrow, timer |
| Power Consumption | 3.3 V DC ± 5 %, 300 mA (max.) |
| Operating Temperature | 0 – 50 °C |
| Operating Humidity | 10 – 90 % RH (non‑condensing) |
| Bus Interface | PC Card Standard CardBus (32‑bit) |
| Dimensions (mm) | 85.6 (W) × 54.0 (D) × 5.0 (H) Type II |
| Weight | Approx. 50 g |
| Connector | 68‑pin 0.8 mm pitch high‑density connector (HDRA‑E68MA1 or equivalent) |
| Power Output | +3.3 V output (500 mA max.) for external pull‑up use |
| Compliance | RoHS / Pb‑Free / CardBus Standard Compliant |
### 4. Functionality
Operating Principle:
The CNT32‑4MT(CB) counts external pulse signals through LVTTL‑level inputs. Each channel can operate in two‑phase quadrature mode for incremental encoders or in single‑phase mode for general pulse counting. The card’s onboard logic performs addition/subtraction of count values and stores results in 32‑bit registers accessible by the host PC.
Use Cases / Applications:
- Position detection of machine‑tool tables or linear stages using encoders.
- Speed or rotation measurement of motors and shafts.
- Flow or power measurement using pulse‑output sensors.
- Event counting and frequency measurement in industrial automation.
- Portable data acquisition on notebook PCs via CardBus interface.
Compatibility:
- Compatible with CONTEC CNT32‑4MT(LPCI) (PCI Low Profile) and CNT‑3204MT‑LPE (PCI Express Low Profile).
- Software‑compatible with CONTEC API‑PAC(W32) and LabVIEW VI‑DAQ.
- Works with Windows XP/2000/Me/98 and Linux drivers.
### 5. Components & Accessories
Included Items:
- CNT32‑4MT(CB) PC Card × 1
- CD‑ROM (API‑PAC(W32) driver library and User’s Guide)
- First Step Guide (documentation)
Optional Accessories:
- Differential/TTL Input Terminal: CTP‑4D (for differential signal conversion)
- Connection Cable: CNT‑68M/50M (0.5 m shielded cable for CTP‑4D)
- Shielded Cables: PCB68PS‑0.5P / 1.5P (both‑end connectors) or PCA68PS‑0.5P / 1.5P (single‑end connector)
- Screw Terminal Blocks: EPD‑50A (50‑pin), EPD‑68A (68‑pin)
- DIN‑Rail Mount Adapters: DIN‑ADP1 (for termination panels)
Connectors:
68‑pin 0.8 mm pitch high‑density connector (HDRA‑E68MA1 [Honda Tsushin Kogyo] or equivalent).
### 6. Installation & Setup
Requirements:
- PC with CardBus (Type II) slot supporting 32‑bit PC Card standard.
- Windows OS (98 / Me / 2000 / XP) or Linux environment.
- Administrator privileges for driver installation.
Procedure Summary:
1. Install Software: Run API‑PAC(W32) installer from CD‑ROM before inserting the card.
2. Connect Cable: Attach CNT‑68M/50M or PCA68PS cable to the 68‑pin connector (align flat side up).
3. Insert Card: Plug the card into the PC Card slot with power off.
4. Hardware Detection: Windows “Found New Hardware Wizard” detects the device; specify INF path (\INF\Win2000\Cnt\PCCard).
5. Initialize Driver: Run API‑TOOL Configuration to register the card and save settings to registry.
6. Diagnostics: Use the built‑in diagnosis program to verify counting and interrupt operation.
Mounting Notes:
- Do not insert or remove the card while the PC is powered.
- When two Type II slots are stacked, only one CNT32‑4MT(CB) can be used because of connector clearance.
- Cable length should not exceed 1.5 m to avoid signal degradation.
### 7. Performance & Capabilities
- Counting Speed: 10 MHz (max.) per channel at 50 % duty.
- Sampling Speed: Up to 20 MHz (1 channel) using bus‑master DMA.
- DMA Transfer Rate: 80 MB/s (typ.), 133 MB/s (max.).
- Resolution: 32‑bit binary count.
- Timer Resolution: 1 ms steps.
- Digital Filter Range: 0.1 µs – 1.6384 ms.
- Interrupt Latency: Single IRQ line with multiple factors (count match, error, carry/borrow, timer).
- Power Output: 3.3 V 500 mA for external pull‑up circuits.
- Reliability: Hardware digital filter and error detection ensure stable counting in noisy environments.
Limitations:
- No galvanic isolation (LVTTL unisolated inputs).
- Not suitable for high‑voltage industrial signals without external isolation modules.
- Only one CNT32‑4MT(CB) can be used in a dual Type II slot stack due to connector size.
### 8. Standards & Compliance
- Bus Standard: PC Card Standard (CardBus 32‑bit)
- Electrical Compliance: LVTTL logic levels (3.3 V nominal)
- Environmental: RoHS compliant, Pb‑Free marking by CONTEC
- Safety and EMC: Designed for industrial automation environments (0 – 50 °C, 10 – 90 % RH)
- Software Standards: Windows Win32 API DLL interface (API‑PAC(W32)), Linux module driver, LabVIEW VI‑DAQ library.
### 9. Additional Information
Warranty:
Three‑year limited warranty covering defects in materials and workmanship. Excludes damage from misuse or modification.
Support & Service:
- Website: [https://www.contec.com](https://www.contec.com)
- Downloads: Drivers, sample programs, and manuals available free of charge.
- RMA Procedure: Return authorization required before shipment for repair or replacement.
Maintenance:
- Periodically inspect connectors for dust or corrosion.
- Store in anti‑static bag at room temperature when not in use.
- Avoid exposure to moisture, vibration, or magnetic fields.
Software Environment:
- Driver Library: API‑PAC(W32) (Win32 DLL functions for C/C++/VB/Delphi)
- Diagnostic Utility: API‑TOOL Configuration and Diagnosis Program for hardware verification.
- Sample Applications: Counter operation and sampling examples included in C source form.
- LabVIEW Support: VI‑DAQ library for easy integration with NI LabVIEW.
- Linux Support: Module‑style device driver and shared library provided free of charge.
Maintenance and Updates:
CONTEC periodically releases driver updates and API enhancements on its website. Users are encouraged to download the latest versions for improved compatibility and performance.
### Summary
The CONTEC CNT32‑4MT(CB) is a compact, high‑performance CardBus counter card providing four independent 32‑bit up/down channels for precise pulse measurement and position tracking applications. Its LVTTL inputs support 10 MHz two‑phase signals from encoders or sensors, while bus‑master DMA enables high‑speed data transfer to PC memory without CPU overhead. Programmable timers, digital filters, and comprehensive interrupt functions make it suitable for industrial automation, motion control, and portable measurement systems. With full software support (API‑PAC(W32), LabVIEW, Linux drivers) and optional differential input accessories, the CNT32‑4MT(CB) delivers a robust and flexible solution for high‑speed counting in CardBus‑equipped computers.
### 1. Product Overview
Product Name: CNT32‑4MT(CB)
Model / Article Number: CNT32‑4MT(CB)
Series: 32‑bit Up/Down Counter Series (CardBus Type II)
Manufacturer: CONTEC Co., Ltd.
Product Type: CardBus Type II 4‑channel 32‑bit up/down counter card
Bus Interface: PC Card Standard – CardBus (32‑bit)
Category: Counter & Motion Controller / Measurement and Control Interface Board
The CONTEC CNT32‑4MT(CB) is a high‑speed, four‑channel, 32‑bit up/down counter card designed for CardBus Type II slots. It provides LVTTL‑level pulse input capability for counting two‑phase or single‑phase signals from external devices such as rotary encoders, linear gauges, or pulse‑output sensors. The card supports bus‑master data transfer for high‑speed sampling and is compatible with CONTEC’s PCI and PCI Express counter boards (CNT32‑4MT(LPCI), CNT‑3204MT‑LPE).
### 2. Key Features
- Four Independent 32‑bit Counters: Each channel supports up/down counting with two‑phase, single‑phase, or single‑phase + gate control modes.
- High‑Speed LVTTL Input: Accepts pulse signals up to 10 MHz (duty 50 %).
- Two‑Phase Signal Support: Capable of decoding quadrature encoder signals (A/B/Z phases).
- Bus‑Master Transfer: Enables high‑speed DMA data transfer between the card and PC memory without CPU load.
- Programmable Timer: 1 – 6553 ms (1 ms steps) for periodic interrupts or timing control.
- Digital Filter: Hardware noise suppression with programmable delay (0.1 µs – 1.6384 ms).
- Interrupt Generation: One interrupt line with multiple factors – count match, count error, sampling factors, carry/borrow, timer.
- Sampling Function: Internal or external clock sampling up to 20 MHz (1 ch) using bus‑master DMA.
- Test Pulse Output: Built‑in 100 kHz LVTTL test pulse for self‑diagnosis.
- Software Compatibility: Bundled Windows API‑PAC(W32) driver library; supports C/C++, Visual Basic, Delphi, LabVIEW (VI‑DAQ).
- Optional Differential Input Conversion: Differential/TTL input terminal (CTP‑4D) and CNT‑68M/50M cable enable differential signal operation.
- Compact CardBus Type II Form Factor: Ideal for notebook or embedded systems requiring portable high‑speed counting.
- RoHS / Pb‑Free Compliant: Environmentally safe design.
### 3. Technical Specifications
| Parameter | Specification |
|----------------|------------------|
| Number of Channels | 4 channels |
| Counting System | 32‑bit up/down (two‑phase / single‑phase / single‑phase with gate control) |
| Maximum Count Value | FFFFFFFFh (32‑bit binary) |
| Input Type | Unisolated LVTTL level input |
| Input Signals | Phase A/UP × 4, Phase B/DOWN × 4, Phase Z/CLR × 4 |
| Response Frequency | 10 MHz (max., duty 50 %) |
| Digital Filter | 0.1 µs – 1.6384 ms or disabled (software‑selectable per channel) |
| Timer | 1 – 6553 ms (1 ms steps) |
| Counter Start Trigger | Software / External Start Input / Sampling Start Trigger |
| Counter Stop Trigger | Software / External Stop Input / Sampling Stop Trigger |
| Sampling Start Trigger | Software / External Start Input / Count Match |
| Sampling Stop Trigger | Software / External Stop Input / Specified Count / Bus‑Master Error / Count Match |
| Sampling Clock | Internal (50 ns – 107 s, 25 ns steps) or External (falling edge, 10 MHz max.) |
| Control Input Type | Unisolated LVTTL input (1 per channel) |
| Control Input Functions | Preset / Zero‑clear / Counter Start‑Stop / General Input (positive logic) |
| Control Output Type | Unisolated LVTTL output (1 per channel) |
| Control Output Functions | Count Match 0/1, Digital Filter Error, Abnormal Input Error, General Output |
| One‑Shot Pulse Widths | 10 µs, 100 µs, 1 ms, 10 ms, 100 ms (selectable) |
| Output Drive | IOL = 8 mA (max.), IOH = –8 mA (max.) |
| Test Pulse Output | LVTTL 100 kHz fixed (Phase A and B outputs) |
| Sampling Output Signals | Start, Stop, Clock (one‑shot 100 ns, negative logic) |
| Bus Master DMA | 32‑bit width, 1 channel, 80 MB/s (133 MB/s max.), 1 K‑DWord FIFO, 64 MB scatter/gather |
| Interrupt Factors | Count match, count error, sampling factors, carry/borrow, timer |
| Power Consumption | 3.3 V DC ± 5 %, 300 mA (max.) |
| Operating Temperature | 0 – 50 °C |
| Operating Humidity | 10 – 90 % RH (non‑condensing) |
| Bus Interface | PC Card Standard CardBus (32‑bit) |
| Dimensions (mm) | 85.6 (W) × 54.0 (D) × 5.0 (H) Type II |
| Weight | Approx. 50 g |
| Connector | 68‑pin 0.8 mm pitch high‑density connector (HDRA‑E68MA1 or equivalent) |
| Power Output | +3.3 V output (500 mA max.) for external pull‑up use |
| Compliance | RoHS / Pb‑Free / CardBus Standard Compliant |
### 4. Functionality
Operating Principle:
The CNT32‑4MT(CB) counts external pulse signals through LVTTL‑level inputs. Each channel can operate in two‑phase quadrature mode for incremental encoders or in single‑phase mode for general pulse counting. The card’s onboard logic performs addition/subtraction of count values and stores results in 32‑bit registers accessible by the host PC.
Use Cases / Applications:
- Position detection of machine‑tool tables or linear stages using encoders.
- Speed or rotation measurement of motors and shafts.
- Flow or power measurement using pulse‑output sensors.
- Event counting and frequency measurement in industrial automation.
- Portable data acquisition on notebook PCs via CardBus interface.
Compatibility:
- Compatible with CONTEC CNT32‑4MT(LPCI) (PCI Low Profile) and CNT‑3204MT‑LPE (PCI Express Low Profile).
- Software‑compatible with CONTEC API‑PAC(W32) and LabVIEW VI‑DAQ.
- Works with Windows XP/2000/Me/98 and Linux drivers.
### 5. Components & Accessories
Included Items:
- CNT32‑4MT(CB) PC Card × 1
- CD‑ROM (API‑PAC(W32) driver library and User’s Guide)
- First Step Guide (documentation)
Optional Accessories:
- Differential/TTL Input Terminal: CTP‑4D (for differential signal conversion)
- Connection Cable: CNT‑68M/50M (0.5 m shielded cable for CTP‑4D)
- Shielded Cables: PCB68PS‑0.5P / 1.5P (both‑end connectors) or PCA68PS‑0.5P / 1.5P (single‑end connector)
- Screw Terminal Blocks: EPD‑50A (50‑pin), EPD‑68A (68‑pin)
- DIN‑Rail Mount Adapters: DIN‑ADP1 (for termination panels)
Connectors:
68‑pin 0.8 mm pitch high‑density connector (HDRA‑E68MA1 [Honda Tsushin Kogyo] or equivalent).
### 6. Installation & Setup
Requirements:
- PC with CardBus (Type II) slot supporting 32‑bit PC Card standard.
- Windows OS (98 / Me / 2000 / XP) or Linux environment.
- Administrator privileges for driver installation.
Procedure Summary:
1. Install Software: Run API‑PAC(W32) installer from CD‑ROM before inserting the card.
2. Connect Cable: Attach CNT‑68M/50M or PCA68PS cable to the 68‑pin connector (align flat side up).
3. Insert Card: Plug the card into the PC Card slot with power off.
4. Hardware Detection: Windows “Found New Hardware Wizard” detects the device; specify INF path (\INF\Win2000\Cnt\PCCard).
5. Initialize Driver: Run API‑TOOL Configuration to register the card and save settings to registry.
6. Diagnostics: Use the built‑in diagnosis program to verify counting and interrupt operation.
Mounting Notes:
- Do not insert or remove the card while the PC is powered.
- When two Type II slots are stacked, only one CNT32‑4MT(CB) can be used because of connector clearance.
- Cable length should not exceed 1.5 m to avoid signal degradation.
### 7. Performance & Capabilities
- Counting Speed: 10 MHz (max.) per channel at 50 % duty.
- Sampling Speed: Up to 20 MHz (1 channel) using bus‑master DMA.
- DMA Transfer Rate: 80 MB/s (typ.), 133 MB/s (max.).
- Resolution: 32‑bit binary count.
- Timer Resolution: 1 ms steps.
- Digital Filter Range: 0.1 µs – 1.6384 ms.
- Interrupt Latency: Single IRQ line with multiple factors (count match, error, carry/borrow, timer).
- Power Output: 3.3 V 500 mA for external pull‑up circuits.
- Reliability: Hardware digital filter and error detection ensure stable counting in noisy environments.
Limitations:
- No galvanic isolation (LVTTL unisolated inputs).
- Not suitable for high‑voltage industrial signals without external isolation modules.
- Only one CNT32‑4MT(CB) can be used in a dual Type II slot stack due to connector size.
### 8. Standards & Compliance
- Bus Standard: PC Card Standard (CardBus 32‑bit)
- Electrical Compliance: LVTTL logic levels (3.3 V nominal)
- Environmental: RoHS compliant, Pb‑Free marking by CONTEC
- Safety and EMC: Designed for industrial automation environments (0 – 50 °C, 10 – 90 % RH)
- Software Standards: Windows Win32 API DLL interface (API‑PAC(W32)), Linux module driver, LabVIEW VI‑DAQ library.
### 9. Additional Information
Warranty:
Three‑year limited warranty covering defects in materials and workmanship. Excludes damage from misuse or modification.
Support & Service:
- Website: [https://www.contec.com](https://www.contec.com)
- Downloads: Drivers, sample programs, and manuals available free of charge.
- RMA Procedure: Return authorization required before shipment for repair or replacement.
Maintenance:
- Periodically inspect connectors for dust or corrosion.
- Store in anti‑static bag at room temperature when not in use.
- Avoid exposure to moisture, vibration, or magnetic fields.
Software Environment:
- Driver Library: API‑PAC(W32) (Win32 DLL functions for C/C++/VB/Delphi)
- Diagnostic Utility: API‑TOOL Configuration and Diagnosis Program for hardware verification.
- Sample Applications: Counter operation and sampling examples included in C source form.
- LabVIEW Support: VI‑DAQ library for easy integration with NI LabVIEW.
- Linux Support: Module‑style device driver and shared library provided free of charge.
Maintenance and Updates:
CONTEC periodically releases driver updates and API enhancements on its website. Users are encouraged to download the latest versions for improved compatibility and performance.
### Summary
The CONTEC CNT32‑4MT(CB) is a compact, high‑performance CardBus counter card providing four independent 32‑bit up/down channels for precise pulse measurement and position tracking applications. Its LVTTL inputs support 10 MHz two‑phase signals from encoders or sensors, while bus‑master DMA enables high‑speed data transfer to PC memory without CPU overhead. Programmable timers, digital filters, and comprehensive interrupt functions make it suitable for industrial automation, motion control, and portable measurement systems. With full software support (API‑PAC(W32), LabVIEW, Linux drivers) and optional differential input accessories, the CNT32‑4MT(CB) delivers a robust and flexible solution for high‑speed counting in CardBus‑equipped computers.
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