USB5841 switch quantity and counter card instruction manual, introduces the features of the product, including applications, digital input/output functions, timer/counter functions, external dimensions, product installation check list, installation instructions, component location diagram, signal socket, jumpers and data definition, signal input/output connectors, various signal connection methods, CNT timer/counter functions, product application precautions, calibration, maintenance, etc.
This manual provides a complete overview of the USB5841 switch and counter card, including its applications, digital I/O functions, counter features, and physical dimensions. It also contains a checklist for product installation and detailed guidance for both software and hardware setup.
The document describes the connector pinouts, wiring methods for digital inputs, outputs, and counter signals, as well as the various counting modes and their timing diagrams. Final sections cover usage precautions, calibration notes, and warranty information. This manual is written in Chinese.
| Digital I/O channels | 48 (configurable per 8‑channel group) |
|---|---|
| Digital input voltage levels | High ≥ 2 V, Low ≤ 0.8 V |
| Digital output voltage levels | High ≥ 2.4 V, Low ≤ 0.5 V |
| Counter channels | 3 independent decrement counters |
| Counter resolution | 32 bits |
| Counter clock source range | 1 Hz – 10 MHz |
| Physical dimensions | 128 mm × 95.5 mm × 14 mm |
The card offers 48 digital I/O channels, with each group of 8 channels configurable as input or output.
Digital inputs accept a high level of at least 2 V and a low level up to 0.8 V; digital outputs drive a high level of at least 2.4 V and a low level up to 0.5 V.
Insert the supplied CD, run Setup.exe, and follow the on‑screen prompts to install the USB5841 driver.