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12. OPERATION OF EACH SPECIAL MODULE MONITOR SCREEN
12 - 63
MELSEC
GOT
12.20.2 Zero return monitor
1)
14
)
2)
6)
7)
8)
9)
15
)
13
)
11
)
12
)
18)
17)
16)
19)
20)
21)
22)
23)
24)
25)
3)
4)
5)
10)
26)
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.
2)
The calculated command pulse number (PLS) based on the command value
is displayed.
100, 101
3)
The actual amount of servo movement (feedback pulse number) (PLS)
calculated from the feedback pulse is displayed.
102, 103
4)
The difference between the command pulse number x CMS/CDV and the
feedback pulse number (PLS) is displayed.
104, 105
5) The set value (PLS) of the zero address is displayed. 30, 31
6) The set value of the zero return velocity is displayed. 32, 33
7) The set value of the creep velocity is displayed. 34, 35
8)
After zero return starts, the near zero point signal goes off, decelerates and
stops. The travel distance (PLS) from that point until zero return is complete
is displayed.
108, 109
9)
After zero return starts, the travel distance (PLS) from when the near zero
point signal goes on until zero return is complete is displayed.
106, 107
10)
The set value (PLS) of the travel distance after the near zero point signal
goes ON is displayed.
36, 37
11)
The status of the control mode when changing modes from velocity to
position control is displayed.
0: Positioning control in progress 1: Velocity control in progress
119