To cleanly remove the driver:
To update: Always uninstall the old driver first, reboot, then install the new driver.
Yes. The Windows 10 driver is fully compatible with Windows 11 via the same INF file. Just right-click the installer → Properties → Compatibility → Run as Windows 8/10 mode if needed. adam-4561 driver windows 10 download
Follow these steps exactly to avoid COM port conflicts.
Option A — Installer (.exe or .msi):
Option B — Manual via Device Manager (if no installer):
| Mode | SW1 | SW2 | SW3 | Termination Resistor | |---------------|-----|-----|-----|----------------------| | RS-232 | OFF | OFF | OFF | N/A | | RS-422 | ON | OFF | OFF | 120Ω (SW4 = ON) | | RS-485 (2-wire)| OFF | ON | ON | 120Ω (SW4 = ON) | | RS-485 (4-wire)| ON | ON | OFF | 120Ω (SW4 = ON) | To cleanly remove the driver:
After setting DIP switches:
The Adam-4561 defaults to RS-232 mode. To change the interface: To update: Always uninstall the old driver first,
⚠️ After changing modes, the COM port number may change. Re-check in Device Manager.
Cause: Power surge or Windows 10 fast startup interfering. Fix: