4: OPERATION BASICS
4-2 OPENNET CONTROLLER USER’S MANUAL
Start/Stop Operation
This section describes operations to start and stop the OpenNet Controller and to use the stop and reset inputs.
Start/Stop Schematic
The start/stop circuit of the OpenNet Controller con-
sists of three blocks; power supply, M8000 (start
control special internal relay), and stop/reset inputs.
Each block can be used to start and stop the OpenNet
Controller
while the other two blocks are set to run
the OpenNet Controller.
Start/Stop Operation Using WindLDR
The OpenNet Controller can be started and stopped using WindLDR run on a PC connected to the OpenNet Controller CPU
module. When the PLC Start button is pressed in the dialog box shown below, start control special internal relay M8000
is turned on to start the OpenNet Controller. When the PLC Stop button is pressed, M8000 is turned off to stop the Open-
Net Controller
.
1. Connect the PC to the OpenNet Controller, start WindLDR, and power up the OpenNet Controller. See page 4-1.
2. Check that a stop input is not designated using Configure > Function Area Settings > Run/Stop. See page 5-1.
Note: When a stop input is designated, the OpenNet Controller cannot be started or stopped by turning start control special
internal relay M8000 on or off.
3. Select Online from the WindLDR menu bar, then select Download Program. Or, click the download icon .
OpenNet Download Program dialog box appears.
4. Click the PLC Start button to start operation, then the start control special internal relay M8000 is turned on.
5. Click the PLC Stop button to stop operation, then the start control special internal relay M8000 is turned off.
The PLC operation can also be started and stopped while
WindLDR is in the monitor mode. To access the Start or Stop
button, select Online > Monitor and select Online > PLC Status > Run/Stop Status.
Note: Special internal relay M8000 is a keep type internal relay and stores the status when power is turned off. M8000
retains its previous status when power is turned on again. However, when the backup battery is dead, M8000 loses the
stored status, and can be turned on or off as programmed when the OpenNet Controller is powered up. The selection is
made in Configure > Function Area Settings > Run/Stop > Run/Stop Selection at Memory Backup Error. See page 5-2.
The backup duration is approximately 30 days (typical) at 25°C after the backup battery is fully charged.
• Make sure of safety before starting and stopping the
OpenNet Controller. Incorrect operation on
the OpenNet Controller may cause machine damage or accidents.
Caution
Power
Supply
M8000
Stop
Input
Reset
Input
Start
Start Control
PLC
WindLDR
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
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