The USB5538 Optoisolated DI/DO Card is a USB-based data acquisition card that can be directly plugged into a computer's USB interface. It features 16 channels of isolated digital inputs and 16 channels of isolated open collector outputs. It is suitable for applications such as field measurement and control, signal acquisition, medical equipment, servo control, and electronic product quality testing.
The USB5538 card is a USB‑bus data acquisition device offering 16 isolated digital inputs and 16 isolated open‑collector digital outputs. It is suited for laboratory testing, product quality inspection, and industrial process monitoring.
The manual covers functional overview, component layout, detailed pin‑out tables for DI and DO connectors, wiring methods for dry and wet contacts, installation guidance, and warranty terms. It also includes a physical ID dip‑switch configuration guide and LED status indicators. This manual is written in Chinese.
| Digital Input Channels | 16 isolated DI channels |
|---|---|
| Digital Output Channels | 16 isolated DO channels |
| Input Voltage Range | +5 V ~ +30 V (high), 0 V ~ +1 V (low) |
| Isolation Voltage | 3750 V |
| Output Load Capability | 30 V, 100 mA per channel |
| Board Dimensions | 106 mm × 98.7 mm × 14 mm |
The card provides 16 isolated digital input channels.
Both the inputs and outputs have an isolation voltage rating of 3750 V.
Each digital output can drive up to 30 V at 100 mA.