4: OPERATION BASICS
4-4 OPENNET CONTROLLER USER’S MANUAL
Simple Operation
This section describes how to edit a simple program using WindLDR on a computer, transfer the program from WindLDR on
the PC to the OpenNet Controller, run the program, and monitor the operation on WindLDR.
Connect the
OpenNet Controller to the computer as described on page 4-1.
Sample User Program
Create a simple program using WindLDR. The sample program performs the following operation:
When only input I0 is turned on, output Q0 is turned on.
When only input I1 is turned on, output Q1 is turned on.
When both inputs I0 and I1 are turned on, output Q2 flashes in 1-sec increments.
Start WindLDR
From the Start menu of Windows, select Programs > WindLDR > WindLDR.
WindLDR starts and a blank ladder editing screen appears with menus and tool bars shown on top of the screen.
Edit User Program Rung by Rung
Start the user program with the LOD instruction by inserting a NO contact of
input I0.
1. Click the Normally Open contact icon .
When the mouse pointer is placed on an icon, the name of the icon is indicated.
Rung No. Input I0 Input I1 Output Operation
01 ON OFF Output Q0 is turned ON.
02 OFF ON Output Q1 is turned ON.
03 ON ON Output Q2 flashes in 1-sec increments.
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