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19 Display Module (FX3G-5DM)
FX
3G
Series Programmable Controllers
User's Manual - Hardware Edition
19.14 Specified Device Monitor Function
19.14 Specified Device Monitor Function
The specified device monitor function can change the top screen to the monitor/test screen for a device
specified by the user.
For the specified device monitor function, specify the device type to be displayed in "D " of the system
information (system signal 1), and specify the device number to be displayed in "D +1" of the system
information (system signal 1).
It is necessary to turn ON M to enable the test operation on the specified device monitor screen.
19.14.1 System information - specified device monitor function
1. System signal 1
*1. Maximum or minimum value of the corresponding device if the device number is set outside the
allowable range
The table below shows the device type to be displayed in accordance with the numeric value written in
D.
If any numeric value outside the range from 1 to 10 is written in D , the specified device monitor
function is disabled.
2. System signal 2
*1. Turns ON after completion of a test operation for a specified device monitor (or when the OK or ESC
key operated).
To turn OFF, the request edit of a specified device monitor is turned off or it is turned off in the user’s
program.
System Information Description
D
Device type to be displayed
D+1
Device No. to be displayed
*1
Value stored in D
Device type
1 Input(X)
2Output(X)
3 Auxiliary relay(M)
4 State(S)
5 Timer(T)
6 Counter(C)
7 Data register(D)
8 Data register(DD)
9 Extended register(R)
10 Extended register(DR)
others Not used
System Information Description
M
Request Edit of displayed device data
ON : Enables the test function.
OFF : Disables the test function (and enables only monitoring).
M+1
Edition completion response
*1
M+4
"ESC" key status
M+5
"-" key status
M+6
"+" key status
M+7
"OK" key status
M+9
Specified device monitor display status
ON : The specified device monitor screen is displayed.
OFF : Any screen other than the specified device monitor screen is displayed.