7.6 Debugging Ladder Programs
7.6.7 Checking for Multiple Coils
7
Cr
eating U
s
er Pr
ogram
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7-67
7.6.7
Checking for Multiple Coils
You can check for multiple coils (different coils that use the same register) in the entire ladder
program, and display the search results.
Select
Debug
−
Check for Multiple Coils
from the menu bar.
Searching for multiple coils will start, and the results will be displayed in the Check for Multiple
Coils Pane.
7.6.8
Forcing Coils ON and OFF
This section describes how to force coils ON and OFF, and how to change the forced status.
Forcing Coils ON or OFF from a Ladder Program
You can monitor a program by forcing specified coil objects ON or OFF in the Ladder Editor.
1.
Select the coil to force ON or OFF.
2.
Select
Debug
−
Force ON
or
Debug
−
Force OFF
from the menu bar.
The selected coil will be forced ON or OFF.
When you use a project link connection, the data in the project file is used. Sometimes the dis-
played results do not match the data in the linked SERVOPACK.
When you check for multiple coils and use a project link connection, first always read the data to
the project file by clicking the
Read from Controller
Button in the Transfer Dialog Box.
If the
Enable to Multiple Coil Check
Check Box is selected in the compile options, a search
for multiple coils will be performed during compilation and the results will be displayed as
warnings in the Output Pane.
Important
Multiple coil
s
are di
s
played.
Information
Select
Debug
-
Disable Force
from the menu bar to cancel forced ON or forced OFF
status.
Coil is forced ON.
Information
