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32-channel opto-isolated open-collector digital output board for PCI. Features 12-24 VDC operation, 35 VDC max, 100 mA per channel, surge/overcurrent protection, and Windows/Linux drivers. Common terminal per 16 channels supports different external power supplies.
The PO-32L(PCI)H is a PCI bus-compliant interface board that provides 32 opto-isolated open-collector outputs. Supporting 12-24 VDC operation with a maximum output rating of 35 VDC and 100 mA per channel, it features opto-coupler isolation between the PCI bus and output interfaces for excellent noise immunity. Common terminals per 16 channels allow different external power supplies for each group.
Opto-coupler bus isolation — The PCI bus (PC) is isolated from the output interfaces by opto-couplers, providing excellent noise performance for industrial environments.
The PO-32L(PCI)H is designed for demanding industrial applications. It includes surge protection and overcurrent protection on all outputs. Common terminals per 16 channels allow flexible power supply configurations. Up to 16 boards can be installed in a single system.
| Specification | Detail |
|---|---|
| Contec Model | PO-32L(PCI)H |
| Output Type | Opto-isolated open-collector (current sink, negative logic) |
| Number of Channels | 32 (one common power supply per 16 channels) |
| Output Voltage (External) | 12-24 VDC (±10%) |
| Output Current | 100 mA per channel max |
| Residual Voltage (ON) | 0.5 V max (≤50 mA), 1.0 V max (≤100 mA) |
| Surge Protector | Zener diode (RD47FM or equivalent) |
| Response Time | 200 µs max |
| Connecting Distance | 50 m (typical, depends on wiring environment) |
| Isolation Voltage | 1000 Vrms |
| Bus Specification | PCI 32-bit, 33 MHz, Universal key (requires +5V) |
| Power Consumption | 5 VDC 200 mA (max) |
| Dimensions (L x H) | 121.69 x 105.68 mm |
| Weight | 130 g |
| Operating Temperature | 0 to +50 °C |
| Humidity | 10 to 90% RH (no condensation) |
| Max Boards in One System | 16 boards |
| Certifications | VCCI Class A, CE (EMC Class A, RoHS), UKCA |
| Included Items | Board, documentation |
The PO-32L(PCI)H is supported by Contec's API-DIO driver suite for Windows and Linux. Diagnostic programs and sample code (C#, VB.NET, C++, Python) accelerate development. Output control and protection settings are accessible via the driver API.
| Part Number | Description | Use |
|---|---|---|
| PCB37PS-0.5P / -1.5P / -3P / -5P | Shielded cable with 37-pin D-type connectors at both ends | Interface connection |
| PCB37P-1.5 / -3 / -5 | Flat cable with 37-pin D-type connectors at both ends | Interface connection |
| PCA37PS-0.5P / -1.5P / -3P / -5P | Shielded cable with one 37-pin D-type connector | Interface connection |
| PCA37P-1.5 / -3 / -5 | Flat cable with one 37-pin D-type connector | Interface connection |
| EPD-37A | Screw terminal (M3 × 37) – spring-up type | Termination |
| EPD-37 | Screw terminal (M3.5 × 37) | Termination |
| DTP-3C / DTP-4C | Termination panels (M3 / M2.5 × 37) | Termination |
| CM-32L | Signal monitor accessory for digital I/O (32 bits) | Diagnostics/monitoring |
The PO-32L(PCI)H is available through Contec Americas on a quote basis. Contact our sales team to discuss quantity, accessories, and integration with your Windows/Linux application.
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