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- 32 Opto-Isolated Digital Output Channels:
Provides 32 independent open-collector output channels for controlling external devices such as relays, solenoids, and indicators.
- High Voltage and Current Capability:
Each output channel supports up to 35VDC at 200mA, with a maximum of 2A per group (grouped outputs).
- Optical Isolation:
Isolation voltage up to 1kVrms between the PC bus and external I/O circuits, protecting the host system from surges and ground potential differences.
- Open Collector (Current Sinking) Output Type:
Suitable for driving loads connected to positive supply lines; compatible with a wide range of industrial actuators.
- Surge and Overcurrent Protection:
Built-in Zener diode and current-limiting circuitry prevent damage from transient voltage spikes or overload conditions.
- Fast Response Time:
Typical output response within 200 microseconds, enabling precise control in time-critical automation systems.
- Compact ISA Form Factor:
Standard AT card dimensions (approx. 160 × 122 mm) for easy integration into legacy or industrial PC systems.
- Standard 37-pin D-Sub Female Connector:
Provides robust and widely compatible external connection interface.
- Software Support:
Compatible with CONTEC’s API-TOOL driver suite for Windows and Linux, and VI-DAQ library for LabVIEW integration.
- Industrial-Grade Reliability:
Designed for continuous operation in factory automation, test benches, and control systems requiring high electrical isolation and durability.
Provides 32 independent open-collector output channels for controlling external devices such as relays, solenoids, and indicators.
- High Voltage and Current Capability:
Each output channel supports up to 35VDC at 200mA, with a maximum of 2A per group (grouped outputs).
- Optical Isolation:
Isolation voltage up to 1kVrms between the PC bus and external I/O circuits, protecting the host system from surges and ground potential differences.
- Open Collector (Current Sinking) Output Type:
Suitable for driving loads connected to positive supply lines; compatible with a wide range of industrial actuators.
- Surge and Overcurrent Protection:
Built-in Zener diode and current-limiting circuitry prevent damage from transient voltage spikes or overload conditions.
- Fast Response Time:
Typical output response within 200 microseconds, enabling precise control in time-critical automation systems.
- Compact ISA Form Factor:
Standard AT card dimensions (approx. 160 × 122 mm) for easy integration into legacy or industrial PC systems.
- Standard 37-pin D-Sub Female Connector:
Provides robust and widely compatible external connection interface.
- Software Support:
Compatible with CONTEC’s API-TOOL driver suite for Windows and Linux, and VI-DAQ library for LabVIEW integration.
- Industrial-Grade Reliability:
Designed for continuous operation in factory automation, test benches, and control systems requiring high electrical isolation and durability.
Comprehensive Product Summary – Opto-Isolated 32 Channel Digital Output AT Card (PO-32L(PC)V)
### 1. Product Overview
Product Name: Opto-Isolated 32 Channel Digital Output AT Card
Model Number: PO-32L(PC)V
Article Number: PO-32L(PC)V
Series: PO Series – Opto-Isolated Digital Output Interface Boards
Manufacturer: CONTEC Co., Ltd. (Japan)
Product Category: Industrial Automation / Measurement and Control / Digital I/O Interface Boards
Bus Type: ISA AT Bus (PC/AT compatible)
The CONTEC PO-32L(PC)V is an opto-isolated 32-channel digital output interface card designed for PC/AT systems. It provides reliable, noise-immune digital output control for industrial automation, process control, and measurement applications. The board features opto-coupler isolation between the PC’s internal logic and external I/O circuits, ensuring electrical protection and stable operation in electrically noisy environments.
### 2. Key Features
- 32 Opto-Isolated Digital Output Channels:
Provides 32 independent open-collector output channels for controlling external devices such as relays, solenoids, and indicators.
- High Voltage and Current Capability:
Each output channel supports up to 35VDC at 200mA, with a maximum of 2A per group (grouped outputs).
- Optical Isolation:
Isolation voltage up to 1kVrms between the PC bus and external I/O circuits, protecting the host system from surges and ground potential differences.
- Open Collector (Current Sinking) Output Type:
Suitable for driving loads connected to positive supply lines; compatible with a wide range of industrial actuators.
- Surge and Overcurrent Protection:
Built-in Zener diode and current-limiting circuitry prevent damage from transient voltage spikes or overload conditions.
- Fast Response Time:
Typical output response within 200 microseconds, enabling precise control in time-critical automation systems.
- Compact ISA Form Factor:
Standard AT card dimensions (approx. 160 × 122 mm) for easy integration into legacy or industrial PC systems.
- Standard 37-pin D-Sub Female Connector:
Provides robust and widely compatible external connection interface.
- Software Support:
Compatible with CONTEC’s API-TOOL driver suite for Windows and Linux, and VI-DAQ library for LabVIEW integration.
- Industrial-Grade Reliability:
Designed for continuous operation in factory automation, test benches, and control systems requiring high electrical isolation and durability.
### 3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Bus Interface | ISA AT Bus |
| Output Channels | 32 opto-isolated open collector outputs |
| Output Type | Current sinking (NPN open collector) |
| Output Rating | 35VDC, 200mA per channel (max 2A per group) |
| Isolation Voltage | 1kVrms (between I/O and PC bus) |
| Response Time | ≤ 200 µsec |
| External Power Supply | 12–24VDC typical |
| Internal Power Consumption | +5VDC, 250mA (from ISA bus) |
| Dimensions | 160 mm (L) × 122 mm (H) |
| Connector Type | 37-pin D-sub female (DCL-J37SAF-20L9 [JAE] or equivalent) |
| Maximum Wiring Distance | 50 meters |
| Operating Temperature | 0°C to +50°C (typical industrial range) |
| Storage Temperature | -10°C to +60°C |
| Humidity | 10–90% RH (non-condensing) |
| Weight | Approx. 200 g |
| Mounting | Full-size ISA slot |
| Isolation Method | Opto-coupler isolation per channel group |
| Protection Features | Surge suppression, overcurrent protection |
| Compliance | CE marking (industrial EMC standards) |
### 4. Functionality
The PO-32L(PC)V functions as a digital output interface board that allows a PC to control external devices through optically isolated transistor outputs. Each output channel acts as an open collector transistor capable of sinking current from an external DC power source.
Operation Principle:
- The host PC writes digital data to the board’s I/O address space.
- Each bit corresponds to one output channel.
- The opto-coupler isolates the PC logic from the external circuit, converting the logic signal into a transistor drive signal.
- The transistor switches the external load circuit ON or OFF according to the logic state.
Typical Use Cases:
- Driving relays, solenoids, and contactors.
- Controlling indicator lamps, alarms, or signal towers.
- Interfacing with PLCs or other industrial controllers.
- Automated test equipment (ATE) requiring multiple digital control lines.
- Machine control systems where electrical isolation is critical.
Compatibility:
- Designed for PC/AT compatible systems with ISA expansion slots.
- Compatible with CONTEC’s accessory cables and terminal blocks (e.g., PCA37P, PCB37P, EPD-37A).
- Supported by CONTEC’s driver libraries for Windows, Linux, and LabVIEW environments.
### 5. Components & Accessories
Included Components:
- PO-32L(PC)V main board
- User manual and installation guide
- Driver software (API-TOOL for Windows/Linux downloadable from CONTEC website)
Optional Accessories:
- Cables:
- PCA37P / PCB37P (37-pin D-sub cable, 1.5m)
- PCA37PS / PCB37PS (shielded version)
- Terminal Blocks:
- EPD-37A, EPD-37 (screw terminal boards for easy wiring)
- CM-32(PC)E (DIN-rail mountable terminal block)
- Connector Sets:
- CN5-D37M (male D-sub connector kit)
Connector Pinout:
- 37-pin D-sub female connector with 32 output lines and common ground/group lines.
- Grouped outputs (e.g., 8 channels per group) share common return lines for external power distribution.
### 6. Installation & Setup
System Requirements:
- IBM PC/AT or compatible computer with available ISA slot.
- Operating system: Windows (API-TOOL supported versions), Linux, or LabVIEW environment.
- +5VDC power supplied from ISA bus.
- External DC power supply (12–24VDC) for driving output loads.
Installation Steps:
1. Power off the PC and remove the cover.
2. Insert the PO-32L(PC)V card into an available ISA slot.
3. Secure the bracket with a screw.
4. Connect the external I/O cable (37-pin D-sub) to the board’s connector.
5. Wire the external devices to the terminal block or connector according to the pin assignment.
6. Install the driver software (API-TOOL or VI-DAQ).
7. Configure I/O addresses via software or jumper settings (if applicable).
8. Verify operation using the provided test utility or sample programs.
Mounting Options:
- Standard ISA slot mounting inside industrial PC chassis.
- Compatible with rackmount or embedded PC systems supporting ISA bus.
Configuration:
- I/O address can be assigned to any 32-byte boundary.
- No interrupt lines are required for output-only operation.
- External wiring up to 50 meters supported with shielded cables.
### 7. Performance & Capabilities
- Output Drive Capability:
Each channel can sink up to 200mA at 35VDC, suitable for direct control of small relays or indicator lamps.
Group current limit: 2A per group (to prevent overloading common return lines).
- Response Speed:
Maximum response time of 200µs ensures fast switching suitable for real-time control.
- Isolation Performance:
1kVrms isolation between PC logic and external circuits prevents ground loops and electrical interference.
- Noise Immunity:
Opto-coupler isolation and surge suppression circuits provide high resistance to electrical noise, ensuring stable operation in industrial environments.
- Reliability:
Designed for continuous 24/7 operation with industrial-grade components and PCB design.
- Limitations:
- Output-only (no input channels).
- Requires external DC power for load circuits.
- Not suitable for AC load control (DC only).
- Limited to 35VDC maximum output voltage.
### 8. Standards & Compliance
- Bus Standard: ISA AT Bus (8/16-bit compatible)
- Electrical Isolation: 1kVrms (I/O to PC bus)
- EMC Compliance: CE Marking (EN61000-6-2, EN61000-6-4 industrial standards)
- Safety: Designed to meet industrial safety and insulation requirements.
- RoHS Compliance: Conforms to RoHS directive for hazardous substance restriction.
- Software Standards:
- Windows API-TOOL (Win32 API compatible DLLs)
- Linux API-TOOL (shared library and kernel module)
- LabVIEW VI-DAQ (compatible with National Instruments LabVIEW environment)
Supported Operating Systems:
- Windows 10/8/7 (32/64-bit)
- Linux kernel 2.6 or later
- LabVIEW 2015 or later
Driver Certification:
- WHQL-compatible driver packages available from CONTEC’s official website.
### 9. Additional Information
Warranty:
- Standard 1-year manufacturer’s warranty covering defects in materials and workmanship.
- Extended warranty options available through CONTEC distributors.
Technical Support:
- Global technical support via CONTEC’s online portal (www.contec.com).
- Access to driver updates, sample code, and application notes.
- Dedicated support for integration with third-party software environments.
Maintenance:
- No periodic maintenance required.
- Recommended to inspect connectors and cables periodically for secure connections.
- Clean board using anti-static brush or compressed air if necessary.
Firmware & Software Updates:
- Driver and utility updates available free of charge from CONTEC’s website.
- API-TOOL and VI-DAQ libraries updated regularly for OS compatibility.
Product Lifecycle:
- Long-term availability for industrial OEM and system integrator applications.
- Backward compatibility with earlier CONTEC ISA digital output boards.
Related Products in the Series:
- PO-32B(PCI)H: PCI version with on-board 12V power supply.
- PO-64L(PCI)H: 64-channel PCI version.
- PO-128L(PCI): 128-channel PCI short-size version.
- PO-64L(CPCI): CompactPCI version for embedded systems.
Typical Applications:
- Factory automation control panels.
- Machine tool control and monitoring.
- Process control systems.
- Automated test equipment (ATE).
- Signal control in production lines.
- Integration with PLCs and SCADA systems.
### Summary
The CONTEC PO-32L(PC)V is a robust, opto-isolated 32-channel digital output board designed for ISA bus systems. It provides reliable, high-voltage open collector outputs with optical isolation, ensuring safe and noise-free operation in industrial environments. With its 35V/200mA per channel capability, surge protection, and fast 200µs response, it is ideal for controlling a wide range of DC-driven devices. Supported by comprehensive driver software for Windows, Linux, and LabVIEW, the PO-32L(PC)V integrates seamlessly into automation and control systems requiring high reliability and electrical isolation.
Manufacturer Contact:
CONTEC Co., Ltd.
Website: [www.contec.com](https://www.contec.com)
Category: Industrial Automation / Digital I/O Interface Boards
Product Family: PO Series – Opto-Isolated Digital Output Cards
### 1. Product Overview
Product Name: Opto-Isolated 32 Channel Digital Output AT Card
Model Number: PO-32L(PC)V
Article Number: PO-32L(PC)V
Series: PO Series – Opto-Isolated Digital Output Interface Boards
Manufacturer: CONTEC Co., Ltd. (Japan)
Product Category: Industrial Automation / Measurement and Control / Digital I/O Interface Boards
Bus Type: ISA AT Bus (PC/AT compatible)
The CONTEC PO-32L(PC)V is an opto-isolated 32-channel digital output interface card designed for PC/AT systems. It provides reliable, noise-immune digital output control for industrial automation, process control, and measurement applications. The board features opto-coupler isolation between the PC’s internal logic and external I/O circuits, ensuring electrical protection and stable operation in electrically noisy environments.
### 2. Key Features
- 32 Opto-Isolated Digital Output Channels:
Provides 32 independent open-collector output channels for controlling external devices such as relays, solenoids, and indicators.
- High Voltage and Current Capability:
Each output channel supports up to 35VDC at 200mA, with a maximum of 2A per group (grouped outputs).
- Optical Isolation:
Isolation voltage up to 1kVrms between the PC bus and external I/O circuits, protecting the host system from surges and ground potential differences.
- Open Collector (Current Sinking) Output Type:
Suitable for driving loads connected to positive supply lines; compatible with a wide range of industrial actuators.
- Surge and Overcurrent Protection:
Built-in Zener diode and current-limiting circuitry prevent damage from transient voltage spikes or overload conditions.
- Fast Response Time:
Typical output response within 200 microseconds, enabling precise control in time-critical automation systems.
- Compact ISA Form Factor:
Standard AT card dimensions (approx. 160 × 122 mm) for easy integration into legacy or industrial PC systems.
- Standard 37-pin D-Sub Female Connector:
Provides robust and widely compatible external connection interface.
- Software Support:
Compatible with CONTEC’s API-TOOL driver suite for Windows and Linux, and VI-DAQ library for LabVIEW integration.
- Industrial-Grade Reliability:
Designed for continuous operation in factory automation, test benches, and control systems requiring high electrical isolation and durability.
### 3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Bus Interface | ISA AT Bus |
| Output Channels | 32 opto-isolated open collector outputs |
| Output Type | Current sinking (NPN open collector) |
| Output Rating | 35VDC, 200mA per channel (max 2A per group) |
| Isolation Voltage | 1kVrms (between I/O and PC bus) |
| Response Time | ≤ 200 µsec |
| External Power Supply | 12–24VDC typical |
| Internal Power Consumption | +5VDC, 250mA (from ISA bus) |
| Dimensions | 160 mm (L) × 122 mm (H) |
| Connector Type | 37-pin D-sub female (DCL-J37SAF-20L9 [JAE] or equivalent) |
| Maximum Wiring Distance | 50 meters |
| Operating Temperature | 0°C to +50°C (typical industrial range) |
| Storage Temperature | -10°C to +60°C |
| Humidity | 10–90% RH (non-condensing) |
| Weight | Approx. 200 g |
| Mounting | Full-size ISA slot |
| Isolation Method | Opto-coupler isolation per channel group |
| Protection Features | Surge suppression, overcurrent protection |
| Compliance | CE marking (industrial EMC standards) |
### 4. Functionality
The PO-32L(PC)V functions as a digital output interface board that allows a PC to control external devices through optically isolated transistor outputs. Each output channel acts as an open collector transistor capable of sinking current from an external DC power source.
Operation Principle:
- The host PC writes digital data to the board’s I/O address space.
- Each bit corresponds to one output channel.
- The opto-coupler isolates the PC logic from the external circuit, converting the logic signal into a transistor drive signal.
- The transistor switches the external load circuit ON or OFF according to the logic state.
Typical Use Cases:
- Driving relays, solenoids, and contactors.
- Controlling indicator lamps, alarms, or signal towers.
- Interfacing with PLCs or other industrial controllers.
- Automated test equipment (ATE) requiring multiple digital control lines.
- Machine control systems where electrical isolation is critical.
Compatibility:
- Designed for PC/AT compatible systems with ISA expansion slots.
- Compatible with CONTEC’s accessory cables and terminal blocks (e.g., PCA37P, PCB37P, EPD-37A).
- Supported by CONTEC’s driver libraries for Windows, Linux, and LabVIEW environments.
### 5. Components & Accessories
Included Components:
- PO-32L(PC)V main board
- User manual and installation guide
- Driver software (API-TOOL for Windows/Linux downloadable from CONTEC website)
Optional Accessories:
- Cables:
- PCA37P / PCB37P (37-pin D-sub cable, 1.5m)
- PCA37PS / PCB37PS (shielded version)
- Terminal Blocks:
- EPD-37A, EPD-37 (screw terminal boards for easy wiring)
- CM-32(PC)E (DIN-rail mountable terminal block)
- Connector Sets:
- CN5-D37M (male D-sub connector kit)
Connector Pinout:
- 37-pin D-sub female connector with 32 output lines and common ground/group lines.
- Grouped outputs (e.g., 8 channels per group) share common return lines for external power distribution.
### 6. Installation & Setup
System Requirements:
- IBM PC/AT or compatible computer with available ISA slot.
- Operating system: Windows (API-TOOL supported versions), Linux, or LabVIEW environment.
- +5VDC power supplied from ISA bus.
- External DC power supply (12–24VDC) for driving output loads.
Installation Steps:
1. Power off the PC and remove the cover.
2. Insert the PO-32L(PC)V card into an available ISA slot.
3. Secure the bracket with a screw.
4. Connect the external I/O cable (37-pin D-sub) to the board’s connector.
5. Wire the external devices to the terminal block or connector according to the pin assignment.
6. Install the driver software (API-TOOL or VI-DAQ).
7. Configure I/O addresses via software or jumper settings (if applicable).
8. Verify operation using the provided test utility or sample programs.
Mounting Options:
- Standard ISA slot mounting inside industrial PC chassis.
- Compatible with rackmount or embedded PC systems supporting ISA bus.
Configuration:
- I/O address can be assigned to any 32-byte boundary.
- No interrupt lines are required for output-only operation.
- External wiring up to 50 meters supported with shielded cables.
### 7. Performance & Capabilities
- Output Drive Capability:
Each channel can sink up to 200mA at 35VDC, suitable for direct control of small relays or indicator lamps.
Group current limit: 2A per group (to prevent overloading common return lines).
- Response Speed:
Maximum response time of 200µs ensures fast switching suitable for real-time control.
- Isolation Performance:
1kVrms isolation between PC logic and external circuits prevents ground loops and electrical interference.
- Noise Immunity:
Opto-coupler isolation and surge suppression circuits provide high resistance to electrical noise, ensuring stable operation in industrial environments.
- Reliability:
Designed for continuous 24/7 operation with industrial-grade components and PCB design.
- Limitations:
- Output-only (no input channels).
- Requires external DC power for load circuits.
- Not suitable for AC load control (DC only).
- Limited to 35VDC maximum output voltage.
### 8. Standards & Compliance
- Bus Standard: ISA AT Bus (8/16-bit compatible)
- Electrical Isolation: 1kVrms (I/O to PC bus)
- EMC Compliance: CE Marking (EN61000-6-2, EN61000-6-4 industrial standards)
- Safety: Designed to meet industrial safety and insulation requirements.
- RoHS Compliance: Conforms to RoHS directive for hazardous substance restriction.
- Software Standards:
- Windows API-TOOL (Win32 API compatible DLLs)
- Linux API-TOOL (shared library and kernel module)
- LabVIEW VI-DAQ (compatible with National Instruments LabVIEW environment)
Supported Operating Systems:
- Windows 10/8/7 (32/64-bit)
- Linux kernel 2.6 or later
- LabVIEW 2015 or later
Driver Certification:
- WHQL-compatible driver packages available from CONTEC’s official website.
### 9. Additional Information
Warranty:
- Standard 1-year manufacturer’s warranty covering defects in materials and workmanship.
- Extended warranty options available through CONTEC distributors.
Technical Support:
- Global technical support via CONTEC’s online portal (www.contec.com).
- Access to driver updates, sample code, and application notes.
- Dedicated support for integration with third-party software environments.
Maintenance:
- No periodic maintenance required.
- Recommended to inspect connectors and cables periodically for secure connections.
- Clean board using anti-static brush or compressed air if necessary.
Firmware & Software Updates:
- Driver and utility updates available free of charge from CONTEC’s website.
- API-TOOL and VI-DAQ libraries updated regularly for OS compatibility.
Product Lifecycle:
- Long-term availability for industrial OEM and system integrator applications.
- Backward compatibility with earlier CONTEC ISA digital output boards.
Related Products in the Series:
- PO-32B(PCI)H: PCI version with on-board 12V power supply.
- PO-64L(PCI)H: 64-channel PCI version.
- PO-128L(PCI): 128-channel PCI short-size version.
- PO-64L(CPCI): CompactPCI version for embedded systems.
Typical Applications:
- Factory automation control panels.
- Machine tool control and monitoring.
- Process control systems.
- Automated test equipment (ATE).
- Signal control in production lines.
- Integration with PLCs and SCADA systems.
### Summary
The CONTEC PO-32L(PC)V is a robust, opto-isolated 32-channel digital output board designed for ISA bus systems. It provides reliable, high-voltage open collector outputs with optical isolation, ensuring safe and noise-free operation in industrial environments. With its 35V/200mA per channel capability, surge protection, and fast 200µs response, it is ideal for controlling a wide range of DC-driven devices. Supported by comprehensive driver software for Windows, Linux, and LabVIEW, the PO-32L(PC)V integrates seamlessly into automation and control systems requiring high reliability and electrical isolation.
Manufacturer Contact:
CONTEC Co., Ltd.
Website: [www.contec.com](https://www.contec.com)
Category: Industrial Automation / Digital I/O Interface Boards
Product Family: PO Series – Opto-Isolated Digital Output Cards
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ContecCatalog2011-2012-en-H Digital IO.pdf
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