Mitsubishi Electric MELDAS 600M Series Instruction Manual page 415

(2) Explanation of details
The stored stroke limit sets the prohibited range with the parameters or program command. The
minimum and maximum values of the prohibited range are set as a distance from the 0 point on
the machine coordinate system for each axis. The stroke is not checked for axes set to the same
value. This function is valid only for the axis returned to the reference point after the power was
turned ON.
If the machine enters into the prohibited range, an error (AX0102 S/W stroke end axis exists) will
occur, and the machine movement will stop. The alarm can be reset by moving the erroneous axis
in the opposite direction.
During automatic operation, if an alarm occurs with even one axis, all axes will decelerate to a
stop. During manual operation, only the axis that caused the alarm will decelerate to a stop. The
axis always stops at a position before the prohibited range. The distance between the prohibited
range and stopping position depends on the feedrate, etc.
The stored stroke limits I, II, IIB, IB and IC are handled as follows.
Type
I
II
B
II
B
I
C
I
Order of priority: IIB ≥ IB > IC >II ≥ I
1) For I and II, the mode with the confined range will have the priority.
2) IIB and IB are used for convenience in writing, and there is no particular priority between them.
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6. Setting the Stored Stroke Limit
Prohibited
Explanation
range
• Set by the machine manufacturer.
• When used with
Outside
designated by the two types becomes
the movement valid range.
Set by the user.
The parameters can be
Outside
changed and the
function turned ON/OFF
with the program.
Inside
• Select
or
II II
the parameters.
• Set by the machine manufacturer.
Inside
• Set by the machine manufacturer.
Inside
• Rewriting can be carried out on the PLC
window.
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CHAPTER 3 MAINTENANCE
130014 Swot–
, the narrow range
II
130015 Swot+
• 340011 soft
limit inside = 0
340008
• Used with
.
I
340009
• 340011 soft
B with
limit inside = 1
130025 OT_IB–
130026 OT_IB+
130025 OT_IB–
130026 OT_IB+
130060 OT_IC–
130061 OT_IC+
III – 29
Range setting
Validating conditions
parameter
• Zero point return is
completed.
• 130014 and 130015 are
not set to the same value.
• Zero point return is
completed.
soft limit (–)
• 340008 and 340009 are
not set to the same value.
soft limit (+)
• 340007 soft limit invalid = 0
• Zero point return is
completed.
• 130025 and 130026 are
not set to the same value.
• 130027 1B_off = 0
• 130025 and 130026 are
not set to the same value.
• 130027 IB_off = 2
• Connected to
• 130060 and 130061 are
not set to the same value.
• 130027 IB_off is 0 or 1
• 130062 IC_off = 0
• Connected to
range.
I
range.
I