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8-30
8-4 Analog Control Parameters
OMNUC G5-Series AC Servo Drives Users Manual (Built-in MECHATROLINK-II communications type)
8
Parameters Details
Set to enable or disable the Phase-Z disconnection detection when an external encoder of 90
phase difference output type is used.
Explanation of Set Values
Set the allowable difference (feedback pulse error) between the motor (encoder) position and load
(external encoder) position in command units.
Refer to "5-4 Full Closing Control (P.5-9)".
The feedback pulse error is reset every time the motor rotates for the amount set by the Internal/
External Feedback Pulse Error Counter Reset (Pn329). This can be used for purposes where
feedback pulse error accumulates due to slippage.
Refer to "5-4 Full Closing Control (P.5-9)".
Ensure that an appropriate value is set to the Internal/External Feedback Pulse Error Counter
Reset (Pn329), before you use the feedback pulse error counter reset. When the set value is
extremely small, the protective function may not work to prevent any erroneous operation due to
improper connection of the external encoder.
Precautions for Correct Use
Provide enough safety measures. This includes to mount limit sensors.
Pn327
External Feedback Pulse Phase-Z Setting
Setting
range
0 to 1
Unit
Default
setting
0
Data
attribute
R
Full closing
Set
value
Explanation
0
Phase-Z disconnection detection enabled
1
Phase-Z disconnection detection disabled
Pn328
Internal/External Feedback Pulse Error Counter Overflow Level
Setting
range
1 to 134217728
Unit
Command unit
Default
setting
16000
Data
attribute
C
Full closing
Pn329
Internal/External Feedback Pulse Error Counter Reset
Setting
range
0 to 100
Unit
Rotation
Default
setting
0
Data
attribute
C
Full closing
Feedback pulse
error value [command unit]
(absolute value)
Excessive
feedback pulse
error setting
Occurrence of excessive
feedback pulse
deviation error
Motor rotation
speed [rotation]
Feedback pulse error reset setting
Содержание OMNUC G5 R88D-KN series
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