Imagine a control system that stops working because a single signal line picks up noise or a voltage spike. The ADLINK PCIe-7432 32-CH Isolated DI & 32-CH Isolated DO PCIe Card gives you a clean, safe connection for 64 digital signals on a single PCIe slot. It is built for industrial machines, test equipment, and any application where reliable I/O matters. If you have ever faced unexpected shutdowns or costly downtime, this card solves that problem.
ADLINK PCIe-7432 32-CH Isolated DI & 32-CH Isolated DO PCIe Card
The main problem in harsh industrial environments is that ordinary I/O cards cannot protect the host computer from high voltage transients. Those spikes can corrupt data, damage components, and force you to replace expensive hardware. With the ADLINK PCIe-7432 you get 2500 V RMS isolation on every channel, so the computer stays safe while the field devices talk freely. The card also supplies both 3.3 V and 12 V from the PCIe bus, removing the need for extra power supplies. In short, it turns a risky wiring layout into a reliable, plug-and-play solution.
Benefits
- Protects your computer from voltage spikes, reducing repair costs.
- Provides 64 isolated channels, so you can handle many signals on one card.
- Eliminates extra power supplies by using PCIe bus power.
- Allows fast response to alarms with two dedicated interrupt inputs.
- Supports a wide voltage range, making it easy to connect diverse devices.
Features:
- Supports 3.3V 12V PCIe bus
- 32CH isolated digital inputs & 32CH isolated digital outputs
- Isolation Voltage: 2500V RMS
- Sink current up to 500mA on single isolated output
- Isolated input voltage up to 24V (PCIe-7432/7432HIR)
- Two external interrupt sources
Specifications
| Product Type |
PCIe Digital I/O Expansion Card |
| Interface |
1× PCI Express (PCIe) x1 (PCIe bus) |
| Digital Inputs |
32 isolated digital input channels |
| Digital Outputs |
32 isolated digital output channels |
| Input Voltage Range |
Up to 24 V DC (non‑polarity) |
| Logic Levels (Inputs) |
High: 5–24V, Low: 0–1.5V (typical non‑polarity) |
| Input Resistance |
~2.4 kΩ @ 0.5 W |
| Output Type |
Open‑collector Darlington transistor |
| Output Voltage |
5–35 V DC |
| Output Sink Current |
Up to 500 mA per single isolated output |
| Isolation Voltage |
2500 V RMS channel‑to‑system isolation |
| Interrupt Support |
2 external interrupt sources (channels 0 & 1) |
| I/O Connector |
100‑pin SCSI‑II female |
| Data Transfer |
Programmed I/O |
| Bus Power Requirements |
+3.3V & +12V from PCIe |
| Operating Temperature |
0°C to 60°C |
| Storage Temperature |
–20°C to 80°C |
| Humidity |
5% to 95% non‑condensing |
| Dimensions |
~175 × 107 mm (standard PCIe card size) |
