Moxa DA-682A-C7-DPP [19/36] Da 682a dpp windows software customizable sample code

DA-682A-DPP Windows Software Customizable Sample Code

4-4

Relay Control

The DA-682A-DPP is provided with one programmable relay that integrators and system administrators can

customize for their notification needs. The source code is available on the software DVD under

\examples\Example\C++\WatchDog\ and the compiled executable relay.exe is available at

\examples\Release.

The Relay Control Walkthrough

You can follow the steps below to test the relay control script, or you can modify the control script to create

customized patterns that are associated with specific system events. Refer to Relay Control Code

for the

complete code.

1. Create the c:\programs\examples folder and copy the relay.exe file into that folder.

2. Run

relay.exe.

3. In the Relay Test Program menu, select 1 to set the status of the relay.

In the example below, the user has selected 1 (Set Relay value) and is setting the current status of the

relay. The value 0 indicates that the relay is currently in normal status as per the jumper setting. The value

1 shown next to the relay entry indicates that the relay is currently in inverse status.

The following table shows the relay status according to the jumper setting in the computer:

Jumper Setting NO NC

System Boot up Close Open

Set value 0 Open Close

Set value 1 Close Open