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Mitsubishi Electric MELSEC Q Series User Manual page 216

Positioning module
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(2) Stroke limit check details and processing for each control
The following table describes stroke limit checks and processing in case of an error that are performed by the
QD73A1.
Check number
1
2
3
*1
The range from "
The following table describes the corresponding stroke limit check for each control.
OPR control
Major
positioning
control
JOG operation
Current value change
(3) Precaution for control
To execute the stroke limit function normally, OPR must be executed beforehand.
(4) Setting the stroke limit function
The following table lists the data to be set, setting condition, and check timing.
Setting item
Stroke limit upper limit
Pr.1
Stroke limit lower limit
Pr.2
(5) Disabling the stroke limit function
Set values as follows.
Stroke limit upper limit =
Pr.1
214
Check detail
If a current value is outside the stroke limit range
module reports an error. (The module checks
"
Current feed value".)
Md.1
If a positioning address setting is outside the stroke limit
*1
range
, the module reports an error. (The module checks
"
Positioning address P1".)
Da.2
If a current value exceeds the stroke limit range
module reports an error. (The module checks
"
Current feed value".)
Md.1
Stroke limit upper limit" to "
Pr.1
Control
Positioning control
Position
control
Two-phase trapezoidal
mode
positioning control
Speed-position control switch mode
Setting range
-2147483648 to
2147483647 pulse
Stroke limit lower limit
Pr.2
*1
, the
*1
, the
Stroke limit lower limit"
Pr.2
Stroke limit check 3 is performed.
Stroke limit check 1 and 2 are performed.
Stroke limit check 3 is performed.
No stroke limit check is performed.
Setting
Default value
condition
2147483647
pulse
PLC READY signal
(Y2D) must be off.
0pulse
Processing in case of an error
The module turns on Error detection signal
(X18), and reports the error "Outside the
stroke limit range at start" (error code: 83).
The module turns on Error detection signal
(X18), and reports the error "Positioning
address Outside the setting range" (error
code: 30).
The module turns on Error detection signal
(X18), and reports the error "Outside the
stroke limit range" (error code: 100).
Stroke limit check
Check timing
of the set data
When PLC
READY signal
(Y2D) is turned
on
Buffer
memory
address
(decimal)
0
1
2
3

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