ISPSoft User Manual

Chapter 3 Configuring and Setting a PLC System
*. If the setting in the Monitor column in the Parameter Setting window is changed, the setting can take effect without
having to be downloaded to the CPU module.
Users can view the values in the data registers in the Monitor Table window, but they can not
change the values. If users want to change the values in the data registers in the Monitor Table
window, they can follow the instructions in section 3.5.6. Besides, after users click the Radix cell for
a data register, they can select a method of representing the value in the data register on the
drop-down list.
3.6 Setting a Real-time Clock
The real-time clock in a PLC can be set by a tool provided by ISPSoft. Before the real-time clock in a
PLC is set, users have to make sure that ISPSoft is connected to the PLC normally. Please refer to
section 2.4 for more information about communication setting.
(1) After users click Set RTC on the Tools menu, the SET RTC window will appear. The date
displayed at the top of the window is the date retrieved from the PLC when the window is
opened, and the time displayed at the top of the window is the time retrieved from the PLC
when the window is opened.
3-72