3 Device Construction
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3 Device Construction
3.1 Device element
GP read device [UW, UB]
This area is for controlling graphic panel function.
For more details, refer to ‘GP Editor user manual’.
GP write device [UW, UB]
This area is for displaying graphic panel state.
For more details, refer to ‘GP Editor user manual’.
GP user device [UW, UB]
This area is for using graphic panel function, general-purpose communication (universal
communication) etc.
Input device [X]
It reads all input port status before executing program scan.
This structure is for transmitting this to inner memory related X device area and utilizing this
on the program.
Output device [Y]
After executing program scan, it transfers all inner memory values related Y device area by
output port.
Recipe device [R]
It is a device used when using the recipe function of graphic panel.
Virtual device [V]
It is the used area for matched automatically device area by system when using user
defined function. User cannot use this device area.
For more details, refer to ‘SmartStudio programming manual’s ‘3.8 Usages of user defined
functions’.
Special device [F]
This area is for displaying and controlling several information and status about PLC
functions.
For more details, refer to ‘SmartStudio programming manual’s 4. Special device’.
Index device[Z]
It is a device that utilizes allotted device as index by indirect designation method.
The usage is as below.
In case of Z0 = 100, D10Z0 is as D110.
Therefore, if you use appropriate device address and index device [Z] as mixed, it is able to
change appropriate device address to user defined address by indirect designation method.
[Allots decimal 100 to Mov 100 Z0: Z0 device.]
Mov D10Z0 D101: D10Z0
Therefore, the current value of D110 device is changed with the current value of D101
device.
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