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- High Channel Density: 32 independent counting channels, each capable of 16-bit resolution, allowing simultaneous monitoring of multiple pulse or event sources.
- Integrated Toshiba CPU: Built around the Toshiba TMPZ84C011BF-6 microprocessor, ensuring reliable onboard processing and intelligent control of counting operations.
- Programmable Timers: Three 16-bit timers (Intel 82C54 compatible) provide flexible timing, gating, and event measurement functions.
- Opto-Isolated Inputs: Each input channel is optically isolated to protect against electrical noise and voltage surges, supporting 12–24 VDC input levels.
- Edge-Selectable Triggering: Configurable to count on either rising or falling edges, enabling compatibility with a wide range of sensors and encoders.
- Interrupt Support: One interrupt request (IRQ) selectable from IRQ3–7, 9–12, 14, or 15, allowing flexible integration with host systems.
- Noise Immunity and Surge Protection: Built-in Zener diode protection and opto-coupler isolation prevent damage from transient voltages and electrical disturbances.
- Compact Form Factor: Board dimensions of 160 mm × 122 mm make it suitable for compact industrial PC enclosures.
- Industrial-Grade Design: Designed for continuous operation in industrial environments, supporting up to 200 Hz input frequency.
- Comprehensive Software Support: Compatible with CONTEC’s Windows and Linux drivers, API-TOOLs, and LabVIEW VI-DAQ libraries for easy integration into automation systems.
- Integrated Toshiba CPU: Built around the Toshiba TMPZ84C011BF-6 microprocessor, ensuring reliable onboard processing and intelligent control of counting operations.
- Programmable Timers: Three 16-bit timers (Intel 82C54 compatible) provide flexible timing, gating, and event measurement functions.
- Opto-Isolated Inputs: Each input channel is optically isolated to protect against electrical noise and voltage surges, supporting 12–24 VDC input levels.
- Edge-Selectable Triggering: Configurable to count on either rising or falling edges, enabling compatibility with a wide range of sensors and encoders.
- Interrupt Support: One interrupt request (IRQ) selectable from IRQ3–7, 9–12, 14, or 15, allowing flexible integration with host systems.
- Noise Immunity and Surge Protection: Built-in Zener diode protection and opto-coupler isolation prevent damage from transient voltages and electrical disturbances.
- Compact Form Factor: Board dimensions of 160 mm × 122 mm make it suitable for compact industrial PC enclosures.
- Industrial-Grade Design: Designed for continuous operation in industrial environments, supporting up to 200 Hz input frequency.
- Comprehensive Software Support: Compatible with CONTEC’s Windows and Linux drivers, API-TOOLs, and LabVIEW VI-DAQ libraries for easy integration into automation systems.
1. Product Overview
Product Name: 32-Channel 16-Bit Intelligent Counter
Model: CNT16-32S(PC)
Series: Intelligent Counter Series
Article Number: CNT16-32S(PC)
Manufacturer: CONTEC Co., Ltd. (Japan)
The CONTEC CNT16-32S(PC) is a high-performance, 32-channel, 16-bit intelligent counter board designed for industrial measurement, automation, and control applications. It integrates a Toshiba TMPZ84C011BF-6 CPU and three 16-bit programmable timers (82C54), providing precise counting and timing capabilities. The board features optically isolated inputs for noise immunity and supports both rising and falling edge triggering. It is equipped with a 37-pin D-sub female connector and conforms to the PC bus interface standard.
2. Key Features
- High Channel Density: 32 independent counting channels, each capable of 16-bit resolution, allowing simultaneous monitoring of multiple pulse or event sources.
- Integrated Toshiba CPU: Built around the Toshiba TMPZ84C011BF-6 microprocessor, ensuring reliable onboard processing and intelligent control of counting operations.
- Programmable Timers: Three 16-bit timers (Intel 82C54 compatible) provide flexible timing, gating, and event measurement functions.
- Opto-Isolated Inputs: Each input channel is optically isolated to protect against electrical noise and voltage surges, supporting 12–24 VDC input levels.
- Edge-Selectable Triggering: Configurable to count on either rising or falling edges, enabling compatibility with a wide range of sensors and encoders.
- Interrupt Support: One interrupt request (IRQ) selectable from IRQ3–7, 9–12, 14, or 15, allowing flexible integration with host systems.
- Noise Immunity and Surge Protection: Built-in Zener diode protection and opto-coupler isolation prevent damage from transient voltages and electrical disturbances.
- Compact Form Factor: Board dimensions of 160 mm × 122 mm make it suitable for compact industrial PC enclosures.
- Industrial-Grade Design: Designed for continuous operation in industrial environments, supporting up to 200 Hz input frequency.
- Comprehensive Software Support: Compatible with CONTEC’s Windows and Linux drivers, API-TOOLs, and LabVIEW VI-DAQ libraries for easy integration into automation systems.
3. Technical Specifications
| Parameter | Specification |
|----------------|------------------|
| Model | CNT16-32S(PC) |
| CPU | Toshiba TMPZ84C011BF-6 |
| Timers | 3 × 16-bit programmable timers (82C54 compatible) |
| Number of Channels | 32 |
| Resolution | 16-bit per channel |
| Input Type | Opto-isolated digital input |
| Input Voltage Range | 12–24 VDC |
| Maximum Input Frequency | 200 Hz |
| Trigger Mode | Rising or falling edge selectable |
| Interrupts | 1 × IRQ (selectable: IRQ3–7, 9–12, 14, 15) |
| Isolation Method | Opto-coupler isolation (cathode side) |
| Protection | Zener diode surge protection |
| Timers | 3 × 16-bit (82C54) |
| Connector Type | 37-pin D-sub female connector |
| Dimensions | 160 mm (L) × 122 mm (H) |
| Bus Interface | PC/ISA compatible |
| Input Impedance | Approx. 220 Ω (typical for opto-isolated inputs) |
| Power Supply | 5 VDC (from PC bus) |
| Operating Frequency Range | Up to 200 Hz per channel |
| Operating Temperature | 0–50 °C (typical industrial range) |
| Storage Temperature | -20–70 °C |
| Humidity | 10–90% RH (non-condensing) |
| Weight | Approx. 200 g |
| Mounting | Internal PC slot mounting |
| Manufacturer | CONTEC Co., Ltd. |
4. Functionality
The CNT16-32S(PC) functions as a multi-channel intelligent counter board that interfaces with a host PC through a standard bus connection. Each of its 32 channels can independently count pulse signals from external devices such as rotary encoders, flowmeters, or proximity sensors. The onboard Toshiba CPU handles counting logic, arithmetic operations (addition/subtraction), and timer control, minimizing host CPU load.
Operating Principle:
- Each input channel detects pulse transitions (rising or falling edges) and increments or decrements the count value accordingly.
- The opto-isolated input circuitry ensures that external electrical noise or ground potential differences do not affect counting accuracy.
- The onboard timers (82C54) can be configured for interval timing, gating, or event duration measurement.
- The board can generate interrupts to the host PC when specific count thresholds or timing events occur.
Typical Applications:
- Industrial automation and process control
- Machine tool feedback systems
- Flow rate and volume measurement (pulse-output flowmeters)
- Position and speed detection using rotary or linear encoders
- Event counting in production lines
- Power meter pulse integration
- Laboratory data acquisition and instrumentation
Compatibility:
- Compatible with CONTEC’s API-TOOLs for Windows and Linux.
- Supports integration with LabVIEW via VI-DAQ libraries.
- Works with standard PC/AT bus systems and industrial PCs.
5. Components & Accessories
Included Components:
- CNT16-32S(PC) main board
- 37-pin D-sub female connector interface
- User documentation and driver software (Windows/Linux)
Optional Accessories:
- Terminal Units:
- EPD-37 (DIN-rail mountable terminal block)
- DTP-3(PC) and DTP-4(PC) screw-type terminal panels
- Cables:
- PCB37PS-0.5P/1.5P/3P/5P (shielded 37-pin D-type cables)
- PCA37PS-0.5P/1.5P/3P/5P (flat ribbon cables)
- Connectors:
- CN5-D37M (37-pin D-type male connector set, 5 pcs)
- DIN Rail Adapter:
- DIN-ADP1 for mounting terminal units on 35 mm DIN rails
Software Tools:
- API-TOOLs for Windows (Win32 API DLL-based driver)
- API-TOOLs for Linux (shared library and kernel module)
- LabVIEW VI-DAQ library for graphical programming environments
6. Installation & Setup
System Requirements:
- PC or industrial computer with compatible bus slot (ISA/PC)
- 5 VDC power supply from the host bus
- Operating system: Windows or Linux (driver support provided)
Installation Steps:
1. Power off the host PC and insert the CNT16-32S(PC) board into an available slot.
2. Secure the board using the mounting bracket.
3. Connect external devices to the 37-pin D-sub connector using appropriate shielded cables.
4. Install the provided driver software and configure the board using CONTEC’s setup utility.
5. Assign the desired IRQ (3–7, 9–12, 14, or 15) through software configuration.
6. Verify operation using the included diagnostic tools or sample programs.
Mounting Options:
- Internal PC slot installation
- External connection via terminal blocks (EPD-37, DTP-3/4)
- DIN-rail mounting of terminal units for industrial panel integration
Configuration:
- Input mode selection (rising/falling edge)
- Timer configuration (interval, gate, or event mode)
- Interrupt enable/disable and IRQ assignment
- Software calibration and channel mapping
7. Performance & Capabilities
- Counting Speed: Up to 200 Hz per channel (optically isolated input)
- Resolution: 16-bit (0–65,535 counts per channel)
- Timer Resolution: 16-bit programmable (1 µs to several seconds depending on configuration)
- Input Voltage Range: 12–24 VDC, compatible with industrial sensors
- Noise Immunity: Opto-isolation and digital filtering prevent false counts due to chattering or EMI
- Interrupt Latency: Minimal, due to onboard CPU handling
- Data Throughput: Real-time counting and timer updates without host CPU overhead
- Reliability: Designed for continuous 24/7 operation in industrial environments
- Limitations: Input frequency limited to 200 Hz; not suitable for high-speed encoder applications (>1 kHz)
Performance Summary:
The CNT16-32S(PC) excels in multi-channel, low-to-medium-speed counting applications where electrical isolation and reliability are critical. Its onboard processing and timer functions reduce host system load, making it ideal for distributed measurement and control systems.
8. Standards & Compliance
- Bus Interface: PC/ISA compatible
- Electrical Isolation: Opto-coupler isolation between input and logic circuits
- Surge Protection: Zener diode protection against voltage transients
- EMC Compliance: Designed to meet industrial electromagnetic compatibility standards
- Safety: Conforms to low-voltage and industrial safety requirements
- Software Compliance: Compatible with Windows and Linux driver standards
- Environmental Compliance: RoHS-compliant components and lead-free soldering
9. Additional Information
Warranty & Support:
- Standard manufacturer warranty (typically 1 year, extendable)
- Technical support via CONTEC’s global portal (www.contec.com)
- Access to driver updates, sample code, and documentation online
Maintenance:
- Periodic inspection of connectors and cables recommended
- Keep board free from dust and moisture
- Firmware updates available through CONTEC support
Software Updates:
- Regular driver and API updates for Windows and Linux
- LabVIEW VI-DAQ library updates downloadable from CONTEC’s website
Service & Repair:
- Factory repair and calibration services available
- Replacement parts and accessories supplied through authorized distributors
Documentation:
- User manual with detailed pin assignments, timing diagrams, and programming examples
- API reference guide for software developers
- Application notes for integration with sensors and encoders
### Summary
The CONTEC CNT16-32S(PC) is a robust, intelligent counter board engineered for industrial automation and measurement systems requiring multiple low-frequency pulse inputs. Its 32 opto-isolated channels, 16-bit resolution, and onboard Toshiba CPU enable precise, noise-immune counting and timing operations. With flexible interrupt handling, programmable timers, and comprehensive software support, it integrates seamlessly into PC-based control architectures. The board’s rugged design, surge protection, and compatibility with CONTEC’s accessory ecosystem make it a reliable solution for process monitoring, machine control, and data acquisition applications.
Product Name: 32-Channel 16-Bit Intelligent Counter
Model: CNT16-32S(PC)
Series: Intelligent Counter Series
Article Number: CNT16-32S(PC)
Manufacturer: CONTEC Co., Ltd. (Japan)
The CONTEC CNT16-32S(PC) is a high-performance, 32-channel, 16-bit intelligent counter board designed for industrial measurement, automation, and control applications. It integrates a Toshiba TMPZ84C011BF-6 CPU and three 16-bit programmable timers (82C54), providing precise counting and timing capabilities. The board features optically isolated inputs for noise immunity and supports both rising and falling edge triggering. It is equipped with a 37-pin D-sub female connector and conforms to the PC bus interface standard.
2. Key Features
- High Channel Density: 32 independent counting channels, each capable of 16-bit resolution, allowing simultaneous monitoring of multiple pulse or event sources.
- Integrated Toshiba CPU: Built around the Toshiba TMPZ84C011BF-6 microprocessor, ensuring reliable onboard processing and intelligent control of counting operations.
- Programmable Timers: Three 16-bit timers (Intel 82C54 compatible) provide flexible timing, gating, and event measurement functions.
- Opto-Isolated Inputs: Each input channel is optically isolated to protect against electrical noise and voltage surges, supporting 12–24 VDC input levels.
- Edge-Selectable Triggering: Configurable to count on either rising or falling edges, enabling compatibility with a wide range of sensors and encoders.
- Interrupt Support: One interrupt request (IRQ) selectable from IRQ3–7, 9–12, 14, or 15, allowing flexible integration with host systems.
- Noise Immunity and Surge Protection: Built-in Zener diode protection and opto-coupler isolation prevent damage from transient voltages and electrical disturbances.
- Compact Form Factor: Board dimensions of 160 mm × 122 mm make it suitable for compact industrial PC enclosures.
- Industrial-Grade Design: Designed for continuous operation in industrial environments, supporting up to 200 Hz input frequency.
- Comprehensive Software Support: Compatible with CONTEC’s Windows and Linux drivers, API-TOOLs, and LabVIEW VI-DAQ libraries for easy integration into automation systems.
3. Technical Specifications
| Parameter | Specification |
|----------------|------------------|
| Model | CNT16-32S(PC) |
| CPU | Toshiba TMPZ84C011BF-6 |
| Timers | 3 × 16-bit programmable timers (82C54 compatible) |
| Number of Channels | 32 |
| Resolution | 16-bit per channel |
| Input Type | Opto-isolated digital input |
| Input Voltage Range | 12–24 VDC |
| Maximum Input Frequency | 200 Hz |
| Trigger Mode | Rising or falling edge selectable |
| Interrupts | 1 × IRQ (selectable: IRQ3–7, 9–12, 14, 15) |
| Isolation Method | Opto-coupler isolation (cathode side) |
| Protection | Zener diode surge protection |
| Timers | 3 × 16-bit (82C54) |
| Connector Type | 37-pin D-sub female connector |
| Dimensions | 160 mm (L) × 122 mm (H) |
| Bus Interface | PC/ISA compatible |
| Input Impedance | Approx. 220 Ω (typical for opto-isolated inputs) |
| Power Supply | 5 VDC (from PC bus) |
| Operating Frequency Range | Up to 200 Hz per channel |
| Operating Temperature | 0–50 °C (typical industrial range) |
| Storage Temperature | -20–70 °C |
| Humidity | 10–90% RH (non-condensing) |
| Weight | Approx. 200 g |
| Mounting | Internal PC slot mounting |
| Manufacturer | CONTEC Co., Ltd. |
4. Functionality
The CNT16-32S(PC) functions as a multi-channel intelligent counter board that interfaces with a host PC through a standard bus connection. Each of its 32 channels can independently count pulse signals from external devices such as rotary encoders, flowmeters, or proximity sensors. The onboard Toshiba CPU handles counting logic, arithmetic operations (addition/subtraction), and timer control, minimizing host CPU load.
Operating Principle:
- Each input channel detects pulse transitions (rising or falling edges) and increments or decrements the count value accordingly.
- The opto-isolated input circuitry ensures that external electrical noise or ground potential differences do not affect counting accuracy.
- The onboard timers (82C54) can be configured for interval timing, gating, or event duration measurement.
- The board can generate interrupts to the host PC when specific count thresholds or timing events occur.
Typical Applications:
- Industrial automation and process control
- Machine tool feedback systems
- Flow rate and volume measurement (pulse-output flowmeters)
- Position and speed detection using rotary or linear encoders
- Event counting in production lines
- Power meter pulse integration
- Laboratory data acquisition and instrumentation
Compatibility:
- Compatible with CONTEC’s API-TOOLs for Windows and Linux.
- Supports integration with LabVIEW via VI-DAQ libraries.
- Works with standard PC/AT bus systems and industrial PCs.
5. Components & Accessories
Included Components:
- CNT16-32S(PC) main board
- 37-pin D-sub female connector interface
- User documentation and driver software (Windows/Linux)
Optional Accessories:
- Terminal Units:
- EPD-37 (DIN-rail mountable terminal block)
- DTP-3(PC) and DTP-4(PC) screw-type terminal panels
- Cables:
- PCB37PS-0.5P/1.5P/3P/5P (shielded 37-pin D-type cables)
- PCA37PS-0.5P/1.5P/3P/5P (flat ribbon cables)
- Connectors:
- CN5-D37M (37-pin D-type male connector set, 5 pcs)
- DIN Rail Adapter:
- DIN-ADP1 for mounting terminal units on 35 mm DIN rails
Software Tools:
- API-TOOLs for Windows (Win32 API DLL-based driver)
- API-TOOLs for Linux (shared library and kernel module)
- LabVIEW VI-DAQ library for graphical programming environments
6. Installation & Setup
System Requirements:
- PC or industrial computer with compatible bus slot (ISA/PC)
- 5 VDC power supply from the host bus
- Operating system: Windows or Linux (driver support provided)
Installation Steps:
1. Power off the host PC and insert the CNT16-32S(PC) board into an available slot.
2. Secure the board using the mounting bracket.
3. Connect external devices to the 37-pin D-sub connector using appropriate shielded cables.
4. Install the provided driver software and configure the board using CONTEC’s setup utility.
5. Assign the desired IRQ (3–7, 9–12, 14, or 15) through software configuration.
6. Verify operation using the included diagnostic tools or sample programs.
Mounting Options:
- Internal PC slot installation
- External connection via terminal blocks (EPD-37, DTP-3/4)
- DIN-rail mounting of terminal units for industrial panel integration
Configuration:
- Input mode selection (rising/falling edge)
- Timer configuration (interval, gate, or event mode)
- Interrupt enable/disable and IRQ assignment
- Software calibration and channel mapping
7. Performance & Capabilities
- Counting Speed: Up to 200 Hz per channel (optically isolated input)
- Resolution: 16-bit (0–65,535 counts per channel)
- Timer Resolution: 16-bit programmable (1 µs to several seconds depending on configuration)
- Input Voltage Range: 12–24 VDC, compatible with industrial sensors
- Noise Immunity: Opto-isolation and digital filtering prevent false counts due to chattering or EMI
- Interrupt Latency: Minimal, due to onboard CPU handling
- Data Throughput: Real-time counting and timer updates without host CPU overhead
- Reliability: Designed for continuous 24/7 operation in industrial environments
- Limitations: Input frequency limited to 200 Hz; not suitable for high-speed encoder applications (>1 kHz)
Performance Summary:
The CNT16-32S(PC) excels in multi-channel, low-to-medium-speed counting applications where electrical isolation and reliability are critical. Its onboard processing and timer functions reduce host system load, making it ideal for distributed measurement and control systems.
8. Standards & Compliance
- Bus Interface: PC/ISA compatible
- Electrical Isolation: Opto-coupler isolation between input and logic circuits
- Surge Protection: Zener diode protection against voltage transients
- EMC Compliance: Designed to meet industrial electromagnetic compatibility standards
- Safety: Conforms to low-voltage and industrial safety requirements
- Software Compliance: Compatible with Windows and Linux driver standards
- Environmental Compliance: RoHS-compliant components and lead-free soldering
9. Additional Information
Warranty & Support:
- Standard manufacturer warranty (typically 1 year, extendable)
- Technical support via CONTEC’s global portal (www.contec.com)
- Access to driver updates, sample code, and documentation online
Maintenance:
- Periodic inspection of connectors and cables recommended
- Keep board free from dust and moisture
- Firmware updates available through CONTEC support
Software Updates:
- Regular driver and API updates for Windows and Linux
- LabVIEW VI-DAQ library updates downloadable from CONTEC’s website
Service & Repair:
- Factory repair and calibration services available
- Replacement parts and accessories supplied through authorized distributors
Documentation:
- User manual with detailed pin assignments, timing diagrams, and programming examples
- API reference guide for software developers
- Application notes for integration with sensors and encoders
### Summary
The CONTEC CNT16-32S(PC) is a robust, intelligent counter board engineered for industrial automation and measurement systems requiring multiple low-frequency pulse inputs. Its 32 opto-isolated channels, 16-bit resolution, and onboard Toshiba CPU enable precise, noise-immune counting and timing operations. With flexible interrupt handling, programmable timers, and comprehensive software support, it integrates seamlessly into PC-based control architectures. The board’s rugged design, surge protection, and compatibility with CONTEC’s accessory ecosystem make it a reliable solution for process monitoring, machine control, and data acquisition applications.
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