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MELSOFT
5 UTILITY OPERATIONS
5.2.5 Operations on device write screen
(1) Selected menu item
Select [Online]-[Device write] on the menu bar.
[Device write] cannot be chosen when the QSCPU is connected.
(2) Dialog box
This screen is used to change the ON/OFF of a bit device or the present value of
a word device or buffer memory.
This screen is displayed by double-clicking the monitor screen of the
corresponding tab.
Item Description
Device Enter the device name.
Force ON
Used to forcibly change the specified device to the ON status.
Force OFF
Used to forcibly change the specified device to the OFF status.
Bit device
Toggle force
Used to forcibly change the specified device from the ON to OFF status or
from the OFF to ON status.
Device
Choosing "Device" enables you to enter the word device to which write will
be performed.
Buffer memory
Choosing "Buffer memory" enables you to enter the module's first I/O and
buffer memory address.
Type the value to be written.
The input range is as indicated below.
Item Description
16 bit integer –32768 to 32767
32 bit integer –2147483648 to 2147483647
Real number
(single precision)
Real number
(double precision)
-999999999999999 to 9999999999999999
Number of significant figures: 13 digits
Setting value
Word device/Buffer
memory
Set
Used to write the set data.