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12. OPERATION OF EACH SPECIAL MODULE MONITOR SCREEN
12 - 11
MELSEC
GOT
12.4 A1SD61 module monitor
12.4.1 Operation monitor
The Channel 1 and 2 Monitor Screen is used as an example.
4
)
7)
8)
9)
10)
11)
1)
2)
3)
5)
6)
No. Contents of display
Buffer memory address
to reference (decimal)
1)
The ON/OFF status of the I/O signal corresponding to the PLC CPU is
displayed. The I/O signal is ON when displayed in a reverse display.
A "
!
" is displayed when a watchdog timer error occurs.
2)
A "
!
" is displayed when a writing data error occurs; the channel where it
occurred and the error code are displayed.
11
3) The number of multi-dogs that are set is displayed. 12 to 147
4)
The set value for the on position and off position of the multi-dog no. is
displayed for each channel.
12 to 147
5) The specified status of the counter function selection is displayed. 5
6)
The limit switch output status of each channel is displayed.
0: OFF 1: ON
7)
The current value of the counter is displayed for the following situations: in
pulse input mode, when preset, when the ring counter function is being
executed, and when the counter is disabled.
0, 1
8)
The count value for execution of the latch counter, sampling counter, and
periodic pulse counter set with the counter function selection (5) is displayed.
2, 3
9) The preset value is displayed. 6, 7
10) The ring counter value that was set is displayed. 8, 9
11) The set status of the pulse input mode is displayed. 4