Outline Of Stopping - Mitsubishi Electric QD75P1N User Manual

1 PRODUCT OUTLINE

1.2.3 Outline of stopping

Stop cause
Drive unit
Forced stop READY
signal OFF
Hardware
stroke limit
Fatal stop
upper/lower
(Stop group 1)
limit error
occurrence
CPU module
error
occurrence
Emergency
stop PLC READY
(Stop group 2) signal OFF
Error in test
mode
Axis error
detection
Relatively safe
(Error other
stop
than stop
(Stop group 3)
group 1 or 2)
1
"Stop signal"
ON from
external
source
"Axis stop
signal" ON
Intentional stop
(Stop group 3) from CPU
module
"Stop signal"
input from
peripheral
device 2
Each control is stopped in the following cases.
(1) When each control is completed normally.
(2) When the drive unit READY signal is turned OFF.
(3) When a CPU module error occurs
(4) When the PLC READY signal is turned OFF.
(5) When an error occurs in the QD75.
(6) When control is intentionally stopped (Stop signal from CPU module turned ON,
stop signal from an external device, etc.)
The outline for the stopping process in these cases is shown below. (Excluding (1) for
normal stopping.)
Axis
operation
M code
status
Stop
ON signal
after
axis
after stop
stopping
( Md.26 )
Each No
Error
axis change
Each No
Error
axis change
No
change
All
Turns Error
axes
OFF
No
change
Each No
Error
axis change
Stopped
Each No
axis change
(Standby)
OPR control
Major
Machine Fast
positioning
OPR OPR
control
control control
Immediate stop
Deceleration stop/sudden stop
(Select with " Pr.37 Stop group 1 sudden
stop selection")
Deceleration stop/sudden stop
(Select with " Pr.38 Stop group 2 sudden
stop selection")
Deceleration stop/sudden stop
(Select with " Pr.39 Stop group 3 sudden
stop selection")
1 - 20
MELSEC-Q
Stop process
Manual control
High-level
JOG/
positioning
Inching
control
operation
Manual
pulse
generator
operation
Deceleration
stop
Deceleration
stop
Deceleration
stop
Deceleration
stop