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12. OPERATION OF EACH SPECIAL MODULE MONITOR SCREEN
12.19.2 Zero return monitor
1)
No.
The ON/OFF status of the I/O signal corresponding to the PLC CPU is displayed.
1)
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.
The actual amount of servo movement (feedback pulse number) (PLS) calculated from the
3)
feedback pulse is displayed.
The difference between the command pulse number x CMS/CDV and the feedback pulse
4)
number (PLS) is displayed.
5)
The set value of positioning address P1 (PLS) is displayed.
6)
The set value of positioning address P2 (PLS) is displayed.
7)
The set value of positioning velocity V1 is displayed.
8)
The set value of positioning velocity V2 is displayed.
The set status of the positioning pattern is displayed.
9)
0: Positioning
The status of the control mode when changing modes from velocity to position control is
10)
displayed.
0: Positioning control in progress
The error code is displayed when an error occurs that can be handled by a sequence program
11)
such as a data error or BUSY in progress.
The error code is displayed when an error occurs that causes monitoring to stop due to an
12)
external signal when starting or when a startup is in progress.
13)
The change value (PLS) of the current value is displayed.
14)
The change value (PLS) of the speed/position/travel distance is displayed.
15)
The change value of the speed change is displayed.
16)
The set value of JOG speed is displayed.
After zero return starts, the travel distance (PLS) from when the near zero point signal goes on
17)
until zero return is complete is displayed.
18)
The set value (PLS) of the travel distance after the near zero point signal goes on is displayed.
19)
The set value (PLS) of the zero address is displayed.
20)
The set value of the zero return velocity is displayed.
21)
The set value of the creep velocity is displayed.
2)
3)
4)
5)
6)
7)
8)
9)
10)
11)
Contents of display
1: 2-speed trapezoid positioning
1: Velocity control in progress
12 - 59
12)
GOT
MELSEC
13)
14)
15)
16)
17)
18)
19)
20)
21)
Buffer memory address to
reference (decimal)
100, 101
102, 103
106, 107
61, 62
65, 66
63, 64
67, 68
60
111
104
105
80, 81
88, 89
82, 83
84, 85
108, 109
46, 47
40, 41
42, 43
44, 45
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