Thorlabs DC22 and DC40 Application – Readme

Use this software to operate Thorlabs DC22 and DC40 Instruments.

The software requires Microsoft .NET Desktop Runtime x86 6.0.4 or later version. The installation program will install it automatically if necessary.

In addition to the GUI software drivers for custom software are installed to your system’s program files directory. Also, some programming examples are provided. See the manual for more information.

License:
This software is copyright Ó 2025, Thorlabs GmbH. 
For license details please see file License.rtf.

Supported platforms:
This software was verified with the following platforms:
- Windows 10 (32-bit Operating System)
	- Windows 10 x64 Edition (64-bit Operating System)
	- Windows 11

Changelog:

Sep-05-2025	V1.1.1
	Firmware update for DC40 and new View in the Menu bar. Supports new product DC22 (which supersedes DC20).
	DC40 Firmware update details:
		When the Red knob (potentiometer) is turned to its minimum position, the device output current remained around 10 mA and resulted in slight glow of LED. This bug was removed with V1.9.2 firmware update. Now the output current will reach zero and LED will stop glowing.

July-23-2024 	V1.0.0
	Initial release.