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- 32 Opto‑Isolated Digital Output Channels:
Provides 32 independent digital output points, each isolated via opto‑couplers to prevent electrical interference between the PC and external circuits.
- High‑Speed Output Response:
Maximum response time of 1 µs, enabling precise and rapid control of external devices.
- On‑Board Power Supply:
Integrated power circuitry eliminates the need for an external power source to drive the output opto‑couplers. This simplifies system design and enhances reliability.
- TTL‑Level Output:
Output signal conforms to 5 V DC TTL logic, with a maximum output current of 6.4 mA per channel.
- High Isolation Voltage:
Provides up to 5 kV isolation between the PC bus and external I/O circuits, ensuring robust protection against surges and ground potential differences.
- Compact ISA Form Factor:
Standard ISA bus interface card with dimensions of 160 mm × 122 mm, suitable for legacy and embedded industrial PC systems.
- Standard 37‑Pin D‑Sub Connector:
Equipped with a 37‑pin female D‑type connector for easy connection to external devices, terminal blocks, or cable assemblies.
- Industrial‑Grade Design:
Designed for continuous operation in industrial environments with high electrical noise, ensuring stable performance and long service life.
- Software Support:
Compatible with CONTEC’s API‑TOOL driver suite for Windows and Linux, and VI‑DAQ library for LabVIEW integration.
Provides 32 independent digital output points, each isolated via opto‑couplers to prevent electrical interference between the PC and external circuits.
- High‑Speed Output Response:
Maximum response time of 1 µs, enabling precise and rapid control of external devices.
- On‑Board Power Supply:
Integrated power circuitry eliminates the need for an external power source to drive the output opto‑couplers. This simplifies system design and enhances reliability.
- TTL‑Level Output:
Output signal conforms to 5 V DC TTL logic, with a maximum output current of 6.4 mA per channel.
- High Isolation Voltage:
Provides up to 5 kV isolation between the PC bus and external I/O circuits, ensuring robust protection against surges and ground potential differences.
- Compact ISA Form Factor:
Standard ISA bus interface card with dimensions of 160 mm × 122 mm, suitable for legacy and embedded industrial PC systems.
- Standard 37‑Pin D‑Sub Connector:
Equipped with a 37‑pin female D‑type connector for easy connection to external devices, terminal blocks, or cable assemblies.
- Industrial‑Grade Design:
Designed for continuous operation in industrial environments with high electrical noise, ensuring stable performance and long service life.
- Software Support:
Compatible with CONTEC’s API‑TOOL driver suite for Windows and Linux, and VI‑DAQ library for LabVIEW integration.
Comprehensive Product Summary – PO‑32TB(PC)
### 1. Product Overview
Product Name: Opto‑Isolated 32‑Channel Digital Output ISA Card with On‑Board Power Supply
Model Number: PO‑32TB(PC)
Article Number: PO‑32TB(PC)
Series: Digital I/O Interface Boards – ISA Bus Series
Manufacturer: CONTEC Co., Ltd. (Japan)
Product Category: Industrial Automation / Measurement and Control – Digital Output Interface Boards
The CONTEC PO‑32TB(PC) is an opto‑isolated, high‑speed, 32‑channel digital output board designed for ISA bus systems. It integrates an on‑board power supply and provides TTL‑level (5 V DC) outputs with opto‑coupler isolation for reliable signal separation between the PC and external devices. The board is engineered for industrial automation, control, and measurement applications requiring fast, noise‑resistant, and electrically isolated digital output control.
### 2. Key Features
- 32 Opto‑Isolated Digital Output Channels:
Provides 32 independent digital output points, each isolated via opto‑couplers to prevent electrical interference between the PC and external circuits.
- High‑Speed Output Response:
Maximum response time of 1 µs, enabling precise and rapid control of external devices.
- On‑Board Power Supply:
Integrated power circuitry eliminates the need for an external power source to drive the output opto‑couplers. This simplifies system design and enhances reliability.
- TTL‑Level Output:
Output signal conforms to 5 V DC TTL logic, with a maximum output current of 6.4 mA per channel.
- High Isolation Voltage:
Provides up to 5 kV isolation between the PC bus and external I/O circuits, ensuring robust protection against surges and ground potential differences.
- Compact ISA Form Factor:
Standard ISA bus interface card with dimensions of 160 mm × 122 mm, suitable for legacy and embedded industrial PC systems.
- Standard 37‑Pin D‑Sub Connector:
Equipped with a 37‑pin female D‑type connector for easy connection to external devices, terminal blocks, or cable assemblies.
- Industrial‑Grade Design:
Designed for continuous operation in industrial environments with high electrical noise, ensuring stable performance and long service life.
- Software Support:
Compatible with CONTEC’s API‑TOOL driver suite for Windows and Linux, and VI‑DAQ library for LabVIEW integration.
### 3. Technical Specifications
| Parameter | Specification |
|----------------|------------------|
| Bus Interface | ISA AT Bus |
| I/O Type | Digital Output (Opto‑Isolated) |
| Number of Output Channels | 32 |
| Output Signal Type | TTL‑Level (5 V DC) |
| Output Current | 6.4 mA per channel (max.) |
| Isolation Voltage | 5 kV (between PC and I/O circuits) |
| Response Time | 1 µs (max.) |
| Internal Power Supply | On‑board regulated 5 V DC |
| External Power Requirement | None (self‑powered) |
| Dimensions | 160 mm (L) × 122 mm (H) |
| Connector Type | 37‑pin D‑Sub female (DCL‑J37SAF‑20L9 or equivalent) |
| Output Circuit Type | Opto‑coupler isolated, TTL logic |
| Maximum Wiring Distance | Up to 50 m (depending on cable and load) |
| Power Consumption | 5 V DC, approximately 250 mA (typical) |
| Operating Temperature | 0 °C – 50 °C (typical industrial range) |
| Storage Temperature | −10 °C – 60 °C |
| Humidity | 10 % – 90 % RH (non‑condensing) |
| Board Material | FR‑4 epoxy glass PCB |
| Weight | Approx. 150 g |
### 4. Functionality
The PO‑32TB(PC) functions as a digital output interface board that allows a host PC to control external devices through optically isolated TTL‑level signals. Each of the 32 output channels is driven by an opto‑coupler, ensuring electrical isolation between the PC’s internal logic and the external control circuitry.
Operating Principle:
- The host PC writes digital data to the output registers of the board via the ISA bus.
- Each bit corresponds to one output channel.
- The opto‑coupler converts the electrical signal into an optical signal, which is then re‑converted to an electrical output on the isolated side.
- The output transistor drives the external load at TTL logic levels (5 V DC).
Typical Applications:
- Industrial automation and process control systems
- Machine tool control and monitoring
- PLC signal interfacing
- Test and measurement systems
- Data acquisition and control in laboratory environments
- Relay or indicator control in embedded systems
Compatibility:
- Compatible with ISA‑bus industrial PCs and embedded controllers.
- Works with CONTEC’s API‑TOOL driver suite for Windows and Linux.
- Supports LabVIEW integration via VI‑DAQ library.
### 5. Components & Accessories
Included Components:
- PO‑32TB(PC) main board
- User manual and installation guide
- Driver software (API‑TOOL for Windows/Linux)
- LabVIEW VI‑DAQ library (downloadable)
Connector:
- 37‑pin female D‑Sub connector (DCL‑J37SAF‑20L9 [JAE] or equivalent)
Optional Accessories:
- Cables:
- PCA37P / PCB37P (37‑pin D‑Sub cable, 1.5 m)
- PCA37PS / PCB37PS (shielded 37‑pin cable)
- Terminal Blocks:
- EPD‑37A, EPD‑37 (screw terminal blocks for direct wiring)
- CM‑32(PC)E (DIN‑rail mount terminal block)
- Connector Sets:
- CN5‑D37M (male D‑Sub connector kit)
These accessories simplify wiring and ensure reliable connections between the board and external devices.
### 6. Installation & Setup
System Requirements:
- PC with available ISA expansion slot
- +5 V DC power supply from the ISA bus
- Compatible operating system (Windows or Linux)
Installation Steps:
1. Power off the PC and remove the cover.
2. Insert the PO‑32TB(PC) into an available ISA slot, ensuring proper alignment.
3. Secure the board with the mounting screw.
4. Connect the external devices using the 37‑pin D‑Sub connector and appropriate cable or terminal block.
5. Power on the PC and install the driver software.
6. Configure I/O addresses and verify operation using the provided utility or API functions.
Configuration:
- I/O address can be set to any 32‑byte boundary within the ISA address space.
- No external power supply configuration is required due to the on‑board power circuit.
- Output logic levels and timing are controlled via software.
Mounting Options:
- Standard ISA slot mounting inside industrial PC chassis.
- Compatible with rack‑mount or embedded PC systems supporting ISA bus.
### 7. Performance & Capabilities
- Speed:
1 µs maximum response time ensures high‑speed digital control suitable for time‑critical applications.
- Capacity:
32 independent output channels allow simultaneous control of multiple devices or signals.
- Efficiency:
On‑board power supply reduces external wiring complexity and power loss.
- Isolation:
5 kV optical isolation protects the PC from voltage spikes, surges, and ground loops.
- Reliability:
Industrial‑grade opto‑couplers and PCB design ensure long‑term stability under continuous operation.
- Limitations:
- Designed for TTL‑level (5 V DC) output only; not suitable for high‑voltage or AC loads.
- Requires ISA bus interface (not compatible with PCI/PCIe systems).
- Maximum output current per channel limited to 6.4 mA.
### 8. Standards & Compliance
- Bus Standard: ISA AT Bus compliant
- Electrical Isolation: 5 kV optical isolation between PC and I/O circuits
- Safety & EMC: Designed to meet industrial noise immunity and surge protection standards
- Software Standards:
- Windows API‑TOOL driver (Win32 API compliant)
- Linux API‑TOOL driver (module‑style device driver)
- LabVIEW VI‑DAQ library (compatible with National Instruments LabVIEW)
- Environmental Compliance: RoHS‑compliant construction (lead‑free solder and materials)
- Quality Assurance: Manufactured under ISO 9001‑certified quality management system
### 9. Additional Information
Warranty:
Standard CONTEC limited warranty (typically one year) covering defects in materials and workmanship.
Technical Support:
- Global support via CONTEC’s technical service network.
- Online driver and documentation downloads available at [www.contec.com](https://www.contec.com).
- Developer resources, sample code, and API documentation provided free of charge.
Maintenance:
- No periodic maintenance required.
- Keep connectors clean and free from dust.
- Avoid exposure to excessive humidity or vibration.
Software Updates:
- Regular driver and firmware updates available from CONTEC’s website.
- API‑TOOL and VI‑DAQ libraries updated to support new OS versions.
Service Options:
- Replacement parts and repair services available through authorized CONTEC distributors.
- Optional extended warranty and calibration services for industrial customers.
### Summary
The CONTEC PO‑32TB(PC) is a robust, high‑speed, opto‑isolated digital output board for ISA‑bus systems. With 32 TTL‑level output channels, 5 kV isolation, and an integrated power supply, it provides a reliable interface for controlling external devices in industrial automation and measurement applications. Its 1 µs response time, standard 37‑pin D‑Sub connector, and comprehensive software support make it ideal for engineers seeking a dependable, noise‑resistant digital output solution for legacy or embedded ISA‑based control systems.
Key Technical Highlights:
- 32 opto‑isolated TTL outputs
- 5 V DC, 6.4 mA per channel
- 1 µs response time
- 5 kV isolation
- On‑board power supply
- 37‑pin D‑Sub female connector
- 160 mm × 122 mm ISA card
- Supported by Windows, Linux, and LabVIEW drivers
Manufacturer Contact:
CONTEC Co., Ltd.
Industrial Automation Products Division
Website: [https://www.contec.com](https://www.contec.com)
Category: Digital I/O Interface Boards – ISA Series
### 1. Product Overview
Product Name: Opto‑Isolated 32‑Channel Digital Output ISA Card with On‑Board Power Supply
Model Number: PO‑32TB(PC)
Article Number: PO‑32TB(PC)
Series: Digital I/O Interface Boards – ISA Bus Series
Manufacturer: CONTEC Co., Ltd. (Japan)
Product Category: Industrial Automation / Measurement and Control – Digital Output Interface Boards
The CONTEC PO‑32TB(PC) is an opto‑isolated, high‑speed, 32‑channel digital output board designed for ISA bus systems. It integrates an on‑board power supply and provides TTL‑level (5 V DC) outputs with opto‑coupler isolation for reliable signal separation between the PC and external devices. The board is engineered for industrial automation, control, and measurement applications requiring fast, noise‑resistant, and electrically isolated digital output control.
### 2. Key Features
- 32 Opto‑Isolated Digital Output Channels:
Provides 32 independent digital output points, each isolated via opto‑couplers to prevent electrical interference between the PC and external circuits.
- High‑Speed Output Response:
Maximum response time of 1 µs, enabling precise and rapid control of external devices.
- On‑Board Power Supply:
Integrated power circuitry eliminates the need for an external power source to drive the output opto‑couplers. This simplifies system design and enhances reliability.
- TTL‑Level Output:
Output signal conforms to 5 V DC TTL logic, with a maximum output current of 6.4 mA per channel.
- High Isolation Voltage:
Provides up to 5 kV isolation between the PC bus and external I/O circuits, ensuring robust protection against surges and ground potential differences.
- Compact ISA Form Factor:
Standard ISA bus interface card with dimensions of 160 mm × 122 mm, suitable for legacy and embedded industrial PC systems.
- Standard 37‑Pin D‑Sub Connector:
Equipped with a 37‑pin female D‑type connector for easy connection to external devices, terminal blocks, or cable assemblies.
- Industrial‑Grade Design:
Designed for continuous operation in industrial environments with high electrical noise, ensuring stable performance and long service life.
- Software Support:
Compatible with CONTEC’s API‑TOOL driver suite for Windows and Linux, and VI‑DAQ library for LabVIEW integration.
### 3. Technical Specifications
| Parameter | Specification |
|----------------|------------------|
| Bus Interface | ISA AT Bus |
| I/O Type | Digital Output (Opto‑Isolated) |
| Number of Output Channels | 32 |
| Output Signal Type | TTL‑Level (5 V DC) |
| Output Current | 6.4 mA per channel (max.) |
| Isolation Voltage | 5 kV (between PC and I/O circuits) |
| Response Time | 1 µs (max.) |
| Internal Power Supply | On‑board regulated 5 V DC |
| External Power Requirement | None (self‑powered) |
| Dimensions | 160 mm (L) × 122 mm (H) |
| Connector Type | 37‑pin D‑Sub female (DCL‑J37SAF‑20L9 or equivalent) |
| Output Circuit Type | Opto‑coupler isolated, TTL logic |
| Maximum Wiring Distance | Up to 50 m (depending on cable and load) |
| Power Consumption | 5 V DC, approximately 250 mA (typical) |
| Operating Temperature | 0 °C – 50 °C (typical industrial range) |
| Storage Temperature | −10 °C – 60 °C |
| Humidity | 10 % – 90 % RH (non‑condensing) |
| Board Material | FR‑4 epoxy glass PCB |
| Weight | Approx. 150 g |
### 4. Functionality
The PO‑32TB(PC) functions as a digital output interface board that allows a host PC to control external devices through optically isolated TTL‑level signals. Each of the 32 output channels is driven by an opto‑coupler, ensuring electrical isolation between the PC’s internal logic and the external control circuitry.
Operating Principle:
- The host PC writes digital data to the output registers of the board via the ISA bus.
- Each bit corresponds to one output channel.
- The opto‑coupler converts the electrical signal into an optical signal, which is then re‑converted to an electrical output on the isolated side.
- The output transistor drives the external load at TTL logic levels (5 V DC).
Typical Applications:
- Industrial automation and process control systems
- Machine tool control and monitoring
- PLC signal interfacing
- Test and measurement systems
- Data acquisition and control in laboratory environments
- Relay or indicator control in embedded systems
Compatibility:
- Compatible with ISA‑bus industrial PCs and embedded controllers.
- Works with CONTEC’s API‑TOOL driver suite for Windows and Linux.
- Supports LabVIEW integration via VI‑DAQ library.
### 5. Components & Accessories
Included Components:
- PO‑32TB(PC) main board
- User manual and installation guide
- Driver software (API‑TOOL for Windows/Linux)
- LabVIEW VI‑DAQ library (downloadable)
Connector:
- 37‑pin female D‑Sub connector (DCL‑J37SAF‑20L9 [JAE] or equivalent)
Optional Accessories:
- Cables:
- PCA37P / PCB37P (37‑pin D‑Sub cable, 1.5 m)
- PCA37PS / PCB37PS (shielded 37‑pin cable)
- Terminal Blocks:
- EPD‑37A, EPD‑37 (screw terminal blocks for direct wiring)
- CM‑32(PC)E (DIN‑rail mount terminal block)
- Connector Sets:
- CN5‑D37M (male D‑Sub connector kit)
These accessories simplify wiring and ensure reliable connections between the board and external devices.
### 6. Installation & Setup
System Requirements:
- PC with available ISA expansion slot
- +5 V DC power supply from the ISA bus
- Compatible operating system (Windows or Linux)
Installation Steps:
1. Power off the PC and remove the cover.
2. Insert the PO‑32TB(PC) into an available ISA slot, ensuring proper alignment.
3. Secure the board with the mounting screw.
4. Connect the external devices using the 37‑pin D‑Sub connector and appropriate cable or terminal block.
5. Power on the PC and install the driver software.
6. Configure I/O addresses and verify operation using the provided utility or API functions.
Configuration:
- I/O address can be set to any 32‑byte boundary within the ISA address space.
- No external power supply configuration is required due to the on‑board power circuit.
- Output logic levels and timing are controlled via software.
Mounting Options:
- Standard ISA slot mounting inside industrial PC chassis.
- Compatible with rack‑mount or embedded PC systems supporting ISA bus.
### 7. Performance & Capabilities
- Speed:
1 µs maximum response time ensures high‑speed digital control suitable for time‑critical applications.
- Capacity:
32 independent output channels allow simultaneous control of multiple devices or signals.
- Efficiency:
On‑board power supply reduces external wiring complexity and power loss.
- Isolation:
5 kV optical isolation protects the PC from voltage spikes, surges, and ground loops.
- Reliability:
Industrial‑grade opto‑couplers and PCB design ensure long‑term stability under continuous operation.
- Limitations:
- Designed for TTL‑level (5 V DC) output only; not suitable for high‑voltage or AC loads.
- Requires ISA bus interface (not compatible with PCI/PCIe systems).
- Maximum output current per channel limited to 6.4 mA.
### 8. Standards & Compliance
- Bus Standard: ISA AT Bus compliant
- Electrical Isolation: 5 kV optical isolation between PC and I/O circuits
- Safety & EMC: Designed to meet industrial noise immunity and surge protection standards
- Software Standards:
- Windows API‑TOOL driver (Win32 API compliant)
- Linux API‑TOOL driver (module‑style device driver)
- LabVIEW VI‑DAQ library (compatible with National Instruments LabVIEW)
- Environmental Compliance: RoHS‑compliant construction (lead‑free solder and materials)
- Quality Assurance: Manufactured under ISO 9001‑certified quality management system
### 9. Additional Information
Warranty:
Standard CONTEC limited warranty (typically one year) covering defects in materials and workmanship.
Technical Support:
- Global support via CONTEC’s technical service network.
- Online driver and documentation downloads available at [www.contec.com](https://www.contec.com).
- Developer resources, sample code, and API documentation provided free of charge.
Maintenance:
- No periodic maintenance required.
- Keep connectors clean and free from dust.
- Avoid exposure to excessive humidity or vibration.
Software Updates:
- Regular driver and firmware updates available from CONTEC’s website.
- API‑TOOL and VI‑DAQ libraries updated to support new OS versions.
Service Options:
- Replacement parts and repair services available through authorized CONTEC distributors.
- Optional extended warranty and calibration services for industrial customers.
### Summary
The CONTEC PO‑32TB(PC) is a robust, high‑speed, opto‑isolated digital output board for ISA‑bus systems. With 32 TTL‑level output channels, 5 kV isolation, and an integrated power supply, it provides a reliable interface for controlling external devices in industrial automation and measurement applications. Its 1 µs response time, standard 37‑pin D‑Sub connector, and comprehensive software support make it ideal for engineers seeking a dependable, noise‑resistant digital output solution for legacy or embedded ISA‑based control systems.
Key Technical Highlights:
- 32 opto‑isolated TTL outputs
- 5 V DC, 6.4 mA per channel
- 1 µs response time
- 5 kV isolation
- On‑board power supply
- 37‑pin D‑Sub female connector
- 160 mm × 122 mm ISA card
- Supported by Windows, Linux, and LabVIEW drivers
Manufacturer Contact:
CONTEC Co., Ltd.
Industrial Automation Products Division
Website: [https://www.contec.com](https://www.contec.com)
Category: Digital I/O Interface Boards – ISA Series
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ContecCatalog2011-2012-en-H Digital IO.pdf
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