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5. Spindle Adjustment
5 - 47
(4) Setting orientation positioning accuracy check
The positioning accuracy at orientation control is checked by the parameters shown below. An
error is detected if the positioning pulse error amount from the reference position (Z-phase)
exceeds the orientation control pulse miss check value (SP114). When an error is detected, the
spindle continues rotating until the next reference position is detected, and a positioning retry then
occurs. The "A9" warning is activated during the positioning retry, and the "5C" alarm is activated if
the number of retries exceeds the number of orientation retry times (SP118).
No. Abbr. Parameter name Details
Setting
range
Standard
SP114 OPER Orientation control
pulse miss check
value
An alarm "5C" will occur if the pulse miss value at the
orientation stop exceeds this setting value. (Note that this is
invalid when set to "0".)
In this parameter, set the value to fulfill the following conditions.
SP114 setting value > 1.5 × SP004
(orientation in-position width)
0 to 32767
(360deg
/4096)
0
SP118 ORCT Orientation control
number of retry times
Set the number of times to retry when an orientation or
feedback error occurs.
The warning (A9) is issued while retrying orientation, and an
alarm (5C) is issued when the set number of times is exceeded.
0 to 100
(time)
0