Mitsubishi Electric MELSEC Q Series Quick Start Manual page 43

 Changing device values <Device test>
This function forces bit devices (such as X, Y, M, C) of the CPU module ON/OFF, or changes the
current value of the word device (such as T, C, D) to the specified value.
 Bit device forced ON/OFF
Forcing bit devices (such as X, Y, M, C) of the CPU module ON/OFF.
Operating procedure
* The "Device test" screen can be displayed by selecting [Device test] with a right click on the ladder
screen.
P
oint
 Forcing a bit device ON/OFF with the key operation
Double-click the specified bit device on the ladder monitor screen while pressing the
key to force it ON/OFF.
1 Select [Online]
[Monitor (Write mode)] (
( ).
2 Select [Online]
[Device test] (
3 Enter the device number to be
forced ON/OFF.
4 Force the device ON/OFF
: Force the device ON.
: Force the device OFF.
: Force the device ON/OFF
with each click.
[Monitor]
key)
[Debug]
key + key).
Shift
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