Outline Of Stopping - Mitsubishi MELSEC QD75P User Manual

1 PRODUCT OUTLINE

1.2.3 Outline of stopping

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 PLC CPU 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 PLC CPU turned ON, stop
The outline for the stopping process in these cases is shown below. (Excluding (1) for
normal stopping.)
Stop cause
Drive unit
Forced stop READY
signal OFF
Hardware
stroke limit
Fatal stop
upper/lower
(Stop group 1)
limit error
occurrence
PLC CPU
error
occurrence
Emergency
stop PLC READY
(Stop group 2) signal OFF
Error in test
mode
Axis error
detection
(Error other
than stop
Relatively safe
group 1 or 2)
stop
(Stop group 3) "Stop signal"
from
peripheral
device
"Stop signal"
ON from
external
source
Intentional stop
(Stop group 3) "Axis stop
signal" ON
from PLC
CPU
signal from an external device, etc.)
Axis
operation
M code
status
Stop
ON signal
after
axis
after stop
stopping
( Md.26 )
Each No During
axis change error
Each No During
axis change error
No
change
All During
Turns
axes error
OFF
No
change
Each No During
axis change error
When
Each No stopped
axis change (While
waiting)
1 - 20
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Stop process
OPR control
Major
Machine Fast
positioning
OPR OPR
control
control control
Immediate stop
Deceleration stop/sudden stop
(Select with " Pr.37 Sudden stop group1
sudden stop selection" )
Deceleration stop/sudden stop
(Select with " Pr.38 Sudden stop group2
sudden stop selection" )
Deceleration stop/sudden stop
(Select with " Pr.39 Sudden stop group3
sudden stop selection")
MELSEC-Q
Manual control
High-level
Manual
JOG/
positioning
pulse
Inching
control
generator
operation
operation
Deceleration
stop
Deceleration
stop
Deceleration
stop
Deceleration
stop