Mitsubishi A1SD75P1-S3 User Manual page 442

12 CONTROL AUXILIARY FUNCTIONS
(2) Software stroke limit check details
*
*
(3) Relation between the software stroke limit function and various
Control type
Machine zero point return control
Zero point
return control High-speed zero pint return control
1-axis linear control
2-axis linear interpolation
control
1-axis fixed-dimension feed
Position
control
control
2-axis fixed-dimension feed
control (interpolation)
2-axis circular interpolation
Main
control
positioning
control
Speed control
Speed/position changeover control
Current value change
Other
control
JUMP command
JOG operation
Manual
control
Manual pulse generator operation
: Check valid
: Check only carried out at start. (If "current feed value" is set in the " Pr.15 Software stroke limit selection", the
check will not be carried out when the Pr.22 Current feed value is updated.)
– : Check not carried out (check invalid).
: Valid only when "valid" is set in the " Pr.16 Software stroke limit valid/invalid setting".
3
* : The value in " Md.29 Current feed value" will differ according to the " Pr.22 Current feed value during speed
control" setting.
4
* : When the unit is "degree", check is not carried out during speed control.
5
* : When the unit is "degree", check is not carried out.
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Check details
An error shall occur if the current value*
2
stroke limit range* .
1)
(Check " Md.29 Current feed value" or " Md.30 Machine feed
value".)
An error shall occur if the command address is outside the
software stroke limit range.
2)
(Check " Da.5 Positioning address/movement amount".)
1
Check whether the " Md.29 Current feed value" or " Md.30 Machine feed value" is set in
" Pr.15 Software stroke limit selection".
2
Moveable range from the " Pr.13 Software stroke limit upper limit value" to the " Pr.14
Software stroke limit lower limit value".
controls
1
is outside the software
Limit
Processing at check
check
–
Check not carried out.
–
Checks 1) and 2) in the previous section (2) are carried
out.
For position control: The axis comes to an immediate
3, 4
*
3, 4
*
When the current value is changed, an error will not occur
even if the new address is outside the software stroke
– limit range. However, an error "start outside stroke limit
+/-" (error code: 507/508) will occur at the next operation
start.
– Check not carried out.
5
Check 1) in the previous section (2) is carried out.
*
The machine will carry out a deceleration stop when the
software stroke limit range is exceeded. If the address is
outside the software stroke limit range, the operation can
5
*
only be started toward the moveable range after the error
is reset.
12 - 29
MELSEC-A
Processing when
an error occurs
An "axis error" will
occur, and the
operation will not start.
stop when it exceeds the software
stroke limit range.