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Chapter 13 Control Sub Functions
[3] Setting the forced stop
To use the "Forced stop function", set the following data using a sequence
program.
The set details are validated at the rising edge (OFF
ON) of the PLC READY
signal [Y0] and the forced stop input checks in the operation cycle.
Setting item
Setting
value
Setting details
Buffer memory address
QD77MS2
QD77MS4
QD77MS16
[Pr.82]
Forced stop valid/ invalid
selection
Set the forced stop function.
0: Valid (Forced stop is used)
1: Invalid (Forced stop is not used)
35
:
Refer to Section 5.2.3 "Detailed parameters 1" for details on the setting details.
[4] How to check the forced stop
To use the states (ON/OFF) of forced stop input, set the parameters shown in the
following table.
Monitor item
Monitor
value
Storage details
Buffer memory address
QD77MS2
QD77MS4
QD77MS16
[Md.50] Forced stop input
Stores the states (ON/OFF) of forced stop input.
0: Forced stop input ON (Forced stop)
1: Forced stop input OFF (Forced stop release)
1431 4231
:
Refer to Section 5.6.1 "System monitor data" for details on the storage details.
[5] Precautions during control
(1) After the "Forced stop input" is released, the servo ON/OFF is valid for the
status of all axis servo ON [Y1].
(2) If the setting value of "[Pr.82] Forced stop valid/invalid selection" is outside
the range, the error "Forced stop valid/invalid setting error" (error code: 937)
occurs.
(3) The "[Md.50] Forced stop input" is stored "1" by setting "[Pr.82] Forced stop
valid/invalid selection" to "1: invalid".
(4) When the "Forced stop input" is turned ON during operation, the error
"Servo READY signal OFF during operation" (error code: 102) does not
occur.
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