Hardware manual

PLC Ladder Monitor Operation Manual 4-3
 Timer/Counter Value Change Screen Restrictions
• You cannot change the setup value when the indexed device, the link direct device
(J\) or the intelligent function unit (U\G) is specified.
• To display the ladder program after changing the value, you need to read and display the
ladder again.
• When using Universal Model QCPU, you need to set the time of [timeout] longer than the
[Transfer time of program memory batch-transfer].
The communication error will occur, if the time of [timeout] set shorter than [Transfer
time of program memory batch-transfer].
• See the following pages for the setting of [timeout].
Reference:GP-Pro EX Device Connection Manual
• See the following manuals for the contents of [Transfer time of program memory
batch-transfer].
Reference:External Device manual
• You can change the value of a program located at the first number of the settings screen
that appears after executing “PC Parameter Scan Execution Program”. Even if multiple
programs exist in CPU, the timer/counter values of all the programs is not changed.
• Ladder program password settings are not supported. When a [Stop Read/Write]
password is used, changing a setup value will cause a communication error.