PC-HELPER - PC-based DAQ & ControlDriver Library API-PAC | API-TOOL for Windows

API-TOOL is driver software to support Contec's IIoT CONPROSYS™ and the PC-Helper series that is data acquisition & control and communication devices.
For more details, please see the readme file on download page before you use.

For PCI Express / PCI Cards and CONPROSYS™

Driver	Latest Ver.	Supported OS	Readme	Download
Analog I/O API-AIO(WDM) Old Ver. (OS：Win10 or older) Old Driver API-AIO(98/PC)	Ver. 8.90 (2025.10)	・Windows 11 ・Windows 10 (IoT Enterprise)	Readme	Download
Digital I/O API-DIO(WDM) Old Ver. (OS：Win10 or older) Old Driver API-DIO(98/PC)	Ver. 10.50 (2025.10)	・Windows 11 ・Windows 10 (IoT Enterprise) ・Windows Server 2025/2022/2019/2016	Readme	Download
Counter API-CNT(WDM) Old Ver. (OS：Win10 or older) Old Driver API-CNT(98/PC)	Ver. 7.30 (2025.10)	・Windows 11 ・Windows 10 (IoT Enterprise)	Readme	Download
Motion control API-SMC(WDM) Old Ver. (OS：Win8.1/XP or older) Old Driver API-SMC(98/PC)	Ver. 6.11 (2025.09)	・Windows 11 ・Windows 10 (IoT Enterprise)	Readme	Download
Serial communicationb Old Driver API-SIO-98/PC	Standard COM drivers, COM-DRV
CAN communication API-CAN(WDM)	Ver. 1.41 (2025.09)	・Windows 11 ・Windows 10 (IoT Enterprise)	Readme	Download
GPIB communication API-GPIB(98/PC) Old Ver. (OS：Win8.1/XP or older)	Ver. 8.01 (2025.09)	・Windows 11 ・Windows 10 (IoT Enterprise)	Readme	Download
LabVIEW GPIB communication API-GPLV(W32) Old Ver. (OS：Win8.1/XP or older)	Ver. 5.00 (2025.09)	・Windows 11 ・Windows 10	Readme	Download
Digitizer API-DIG(WDM) Old Ver. (OS：Win8.1/XP or older)	Ver. 4.91 (2025.09)	・Windows 11 ・Windows 10	Readme	Download
Digital multimeter API-DMM(WDM) Old Ver. (OS：Win8.1/XP or older)	Ver. 2.91 (2025.09)	・Windows 11 ・Windows 10	Readme	Download
Vector network analyzer API-VNA(WDM)	Ver. 1.11 (2014.03.20)	・Windows 8.1/8/7/Vista ・Windows Server 2008/2003	Readme	Download
Impedance meter API-ZM(WDM)	Ver. 1.41 (2025.09)	・Windows 11 ・Windows 10 (IoT Enterprise)	Readme	Download
General timer API-TIMER(WDM) Old Ver. (OS：Win8.1/XP or older) Old Driver API-TIMER(W32)	Ver. 3.90 (2025.05)	・Windows 11 ・Windows 10 (IoT Enterprise)	Readme	Download
General purpose I/O IO-LIB(WDM) Old Driver IO-LIB(NT) / IO-LIB(W95)	Ver. 1.10 (2007.06.29)	・Windows XP ・Windows Server 2003	Readme	Download

Linux Drivers

myCONTEC membership registration is required for downloading.

For USB Modules

Driver	Latest Ver.	Supported OS	Readme	Download
Analog I/O API-AIO(WDM) Old Ver. (OS：Win10 or older)	Ver. 8.90 (2025.10)	・Windows 11 ・Windows Windows 10 (IoT Enterprise)	Readme	Download
Digital I/O API-DIO(WDM) Old Ver. (OS：Win10 or older)	Ver. 10.50 (2025.10)	・Windows 11 ・Windows 10 (IoT Enterprise) ・Windows Server 2025/2022/2019/2016	Readme	Download
Counter API-CNT(WDM) Old Ver. (OS：Win10 or older)	Ver. 7.30 (2025.10)	・Windows 11 ・Windows 10 (IoT Enterprise)	Readme	Download
CAN communication API-CAN(WDM)	Ver. 1.41 (2025.09)	・Windows 11 ・Windows 10 (IoT Enterprise)	Readme	Download
GPIB communication API-GPIB(WDM) for USB Old Ver. (OS：Win8.1/XP or older)	Ver. 4.91 (2025.09)	・Windows 11 ・Windows 10 (IoT Enterprise)	Readme	Download
Temperature sensor input API-PTI(WDM) for USB	Ver. 1.80 (2017.08.21)	・Windows 10/8.1/8/7/Vista/XP ・Windows Server 2008/2003	Readme	Download

For F&eIT I/O controller

Driver	Latest Ver.	Supported OS	Readme	Download
Driver Library for F&eIT I/O controller API-CAP(W32) Old Ver. (OS：Win8.1/XP or older)	Ver. Sep, 2025	・Windows 11 ・Windows 11 IoT Enterprise LTSC 2024 ・Windows 10 ・Windows 10 IoT Enterprise LTSC 2021 ・Windows 10 IoT Enterprise 2019 LTSC ・Windows 10 IoT Enterprise LTSB 2016 ・Windows Server 2025/2022/2019/2016	Readme	Download

myCONTEC membership registration is required for downloading.