Mitsubishi Electric MELSERVO-J4 Series Instruction Manual page 167

4. HOW TO USE THE POINT TABLE
2) Software limit activation/deactivation setting
a) Setting range
When the unit is "degree", the setting range of the software limit is 0 degree (lower limit) to
359.999 degrees (upper limit).
When you set a value other than 0 degree to 359.999 degrees in [Pr. PT15] to [Pr. PT18], the
set value is converted as follows. (It will be clamped between 0 degree and 359.999 degrees.)
b) When the software limit is activated
Set the software limit - ([Pr. PT17] and [Pr. PT18]) for the start position and the software limit +
([Pr. PT15] and [Pr. PT16]) for the target position.
The movable range is the section from - to + in the CCW direction.
Set the movable range of section A as follows.
Software limit - ··· 315.000 degrees
Software limit + ··· 90.000 degrees
Set the movable range of section B as follows.
Software limit - ··· 90.000 degrees
Software limit + ··· 315.000 degrees
POINT
After changing the "+" or "-" sign of an axis with the software limit activation
setting, perform a home position return.
When activating the software limit in an incremental system, perform a home
position return after power-on.
Software limit value
360.000 degrees to 999.999 degrees
-0.001 degrees to -359.999 degrees
-360.000 degrees to -999.999 degrees
0
CCW
Section A
90
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The remainder of the set value divided by
The sum of the set value and 360
The sum of 360 and the quotient of the set
value divided by 360
CCW
315
90
After conversion
360
0
315
Section B