Справочник Пользователя для Mitsubishi Electronics AJ65BT-D75P2-S3
12 - 29
MELSEC-A
12 CONTROL AUXILIARY FUNCTIONS
(2) Software stroke limit check details
Check details
Processing when
an error occurs
1)
An error shall occur if the current value*
1
is outside the software
stroke limit range*
2
.
(Check "Current feed value (RWrn+0 to 1, RWrn+8 to 9)" or
"
"
Md.30 Machine feed value".)
An "axis error" will
occur, and the
operation will not start.
occur, and the
operation will not start.
2)
An error shall occur if the command address is outside the
software stroke limit range.
(Check " Da.5 Positioning address/movement amount".)
software stroke limit range.
(Check " Da.5 Positioning address/movement amount".)
*
1
Check whether the "Current feed value (RWrn+0 to 1, RWrn+8 to 9)" 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".
(3) Relation between the software stroke limit function and various
controls
Control type
Limit
check
Processing at check
Zero point
return control
return control
Machine zero point return control
–
Check not carried out.
High-speed zero pint return control
–
Main
positioning
control
positioning
control
Position
control
control
1-axis linear control
Checks 1) and 2) in above [2] are performed.
During position control : The machine will stop
During position control : The machine will stop
immediately as soon as the
software stroke limit range is
exceeded.
software stroke limit range is
exceeded.
2-axis linear interpolation control
1-axis fixed-dimension feed
control
1-axis fixed-dimension feed
control
2-axis fixed-dimension feed
control (interpolation)
control (interpolation)
2-axis circular interpolation
control
control
Speed control
*
3, 4
Speed/position changeover control
*
3, 4
Other
control
control
Current value change
–
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.
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.
JUMP command
–
Check not carried out.
Manual
control
control
JOG operation
*
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 only be started toward the moveable range after the
error is reset.
software stroke limit range is exceeded. If the address is
outside the software stroke limit range, the operation
can only be started toward the moveable range after the
error is reset.
Manual pulse generator operation
*
5
: Check valid
: Check only carried out at start. (If "current feed value" is set in the " Pr.15 Software stroke limit selection", the
: 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 "Current feed value (RWrn+0 to 1, RWrn+8 to 9)" will differ according to the " Pr.22 Current feed value
during speed control" setting.
*
4
: When the unit is "degree", the check is not performed during speed control.
*
5
: When the unit is "degree", the check is not performed.