Nuvo-7501 Series
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Appendix A Using WDT & DIO
Watchdog Timer
The watchdog timer (WDT) function ensures reliable system operation. The WDT is
a hardware mechanism to reset the system if the watchdog timer expires. Users can
start the WDT and keep resetting the timer to make sure the system or program is
running. Otherwise, the system shall be reset.
In this section, we’ll illustrate how to use the function library provided by Neousys to
program the WDT functions. Currently, WDT driver library supports Windows 10 x64
and WOW64 platforms. For other OS support, please contact Neousys Technology
for further information.
Isolated DIO (Nuvo-7505D Only)
The system also features isolated digital I/O is available for extended range of
applications. Nuvo-7505D features 8x DI channels and 8x DO channels via a
DSub-25 connector. The digital I/O supports standard polling mode I/O access so
users’ program can read or write DIO channel(s) using the function library.
WDT and DIO Library Installation
Installing WDT_DIO Library
The WDT_DIO function library is delivered in the form of a setup package named
WDT_DIO_Setup.exe
. Prior to programming WDT, you should execute the setup
program and install the WDT library. Please use the following WDT_DIO_Setup
packages according to your operating systems and application.
For Windows 10 64-bit OS with 64-bit application (x64 mode), please install
WDT_DIO_Setup_v2.2.9.8(x64).exe or later version.
For Windows 10 64-bit OS with 32-bit application (WOW64 mode), please install
WDT_DIO_Setup_v2.2.9.8(wow64).exe or later version.
