Specifications

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1.2.3 Outline for stop
Each control may be stopped in the following cases.
(1) When each control is completed normally.
(2) When the drive unit READY signal is turned OFF.
(3) When the PLC READY signal is turned OFF.
(A stop error such as "parameter error" or "watchdog timer error" occurred.)
(4) When an error occurred in the QD75.
(5) When control is intentionally stopped by turning on the stop signal from PLC CPU
or the stop signal from an external device.
The outline for the stop processing in these cases is shown below.
(Excluding (1), the case of normal stop.)
Stop processing
OPR control
Manual
control
Stop factor
Stop
axis
Axis
operation
status
after stop
Machine OPR control
Fast OPR control
Positioning control
Inching operation
JOG operation
Manual pulse
generator operation
Forced stop
Drive unit READY signal
OFF
Each
axis
Error Immediate stop
Deceleration
stop
Fatal stop
(Stop group 1)
Hardware stroke limit signal
ON
Each
axis
Error
Deceleration stop/sudden
stop
(Select from "sudden stop
group1 sudden stop
selection" )
Deceleration
stop
I/O reset
PLC READY signal OFF
Emergency stop
(Stop group 2)
Error in test mode
All
axes
Error
Deceleration stop/sudden
stop
(Select from "sudden stop
group2 sudden stop
selection" )
Deceleration
stop
A
xis error detection (Error
other than stop group 1 or 2)
Relatively safe
stop
(Stop group 3)
"Stop signal" from
peripheral device
Each
axis
Error
"Stop signal" ON from
external source
Intentional stop
(Stop group 3)
"Axis stop signal" from PLC
CPU turns ON.
Each
axis
Stop
(While
waiting)
Deceleration stop/sudden
stop
(Select from "sudden stop
group3 sudden stop
selection" )
Deceleration stop