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6 POSITIONING CONTROL
(c) Stop commands and stop causes
Some stop commands and stop causes affect individual axis and others
affect all axes.
However, during interpolation control, stop commands and stop causes
which affect individual axis also stop the interpolation axis.
For example, both Axis 1 and Axis 2 stop after input of a stop command
(stop cause) during the Axis 1 and Axis 2 interpolation control.
No. Stop cause
Axis
classification
Stop processing
Error processing
Positioning
control
Speed
control
JOG
operation
Home position
return
Manual pulse
generator
1
STOP signal input (STOP) of the
Q172DLX ON
Individual
Process 1 or Process 2
• According to deceleration processing on STOP input
parameter of parameter block.
Process 4
Refer to "APPENDIX 1 Error
Codes Stored Using The
Motion CPU"
2 Stop command (M3200+20n) ON Process 1
3
Rapid stop command
(M3201+20n) ON
Process 2
4
FLS input signal OFF of
Q172DLX/servo amplifier
Process 1 or Process2
• According to deceleration processing on STOP input
parameter of parameter block.
5
RLS input signal OFF of
Q172DLX/servo amplifier
6
Servo error detection
(M2408+20n) ON
Process 2 (The servo motor stops with dynamic brake.)
7 PLC ready flag (M2000) OFF
All axes
Process 1
Process 4
8
Deceleration stop using
MT Developer2
(Note-1)
Process 1
9
Rapid stop of the all axes using
MT Developer2
(Note-1)
Process 2
10 Motion CPU stop Process 1
11 Multiple CPU system reset Process 3 —
12 Motion CPU WDT error Process 3
SM512 (Motion CPU WDT
error flag) ON
13 Other CPU WDT error Process 1 —
14 Multiple CPU system power off Process 3 —
15 Forced stop Process 3
Servo amplifier is stopped at
the servo OFF.
16
Servo amplifier control circuit
power off
Individual Process 3
Major error at the start
(no servo)
17 Speed change to speed "0"
Individual
(Note-2)
Process 1 — —
(Note-1): Test mode
(Note-2): Applies to all axes used in the servo program set in the speed "0".
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