YASKAWA SGD7S series Product Manual page 143

5.9 Selecting the Phase Sequence for a Linear Servomotor . . 5-24
5.10 Polarity Sensor Setting . . . . . . . . . . . . . . . 5-26
5.11 Polarity Detection . . . . . . . . . . . . . . . . . . . 5-27
5.11.1 Restrictions . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-27
5.11.2 Using the /S-ON (Servo ON) Signal to Perform
Polarity Detection . . . . . . . . . . . . . . . . . . . . . . .5-28
5.11.3 Using the /P-DET (Polarity Detection)
Signal to Perform Polarity Detection . . . . . . . . .5-29
5.11.4 Using a Tool Function to Perform Polarity
Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-30
5.12 Overtravel and Related Settings . . . . . . . . 5-31
5.12.1 Overtravel Signals . . . . . . . . . . . . . . . . . . . . . . .5-32
5.12.2 Setting to Enable/Disable Overtravel . . . . . . . . .5-32
5.12.3 Motor Stopping Method for Overtravel . . . . . . .5-33
5.12.4 Overtravel Warnings . . . . . . . . . . . . . . . . . . . . . .5-34
5.13 Holding Brake . . . . . . . . . . . . . . . . . . . . . . 5-36
5.13.1 Brake Operating Sequence . . . . . . . . . . . . . . . .5-36
5.13.2 /BK (Brake) Signal . . . . . . . . . . . . . . . . . . . . . . .5-37
5.13.3 Output Timing of /BK (Brake) Signal When
the Servomotor Is Stopped . . . . . . . . . . . . . . . .5-38
5.13.4 Output Timing of /BK (Brake) Signal When
the Servomotor Is Operating . . . . . . . . . . . . . . .5-39
5.14 Motor Stopping Methods for Servo OFF and Alarms . .5-41
5.14.1 Stopping Method for Servo OFF . . . . . . . . . . . .5-42
5.14.2 Servomotor Stopping Method for Alarms . . . . . .5-42
5.15 Motor Overload Detection Level . . . . . . . . 5-44
5.15.1 Detection Timing for Overload Warnings
(A.910) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-44
5.15.2 Detection Timing for Overload Alarms (A.720) . .5-45
5.16 Electronic Gear Settings . . . . . . . . . . . . . . 5-46
5.16.1 Electronic Gear Ratio Settings . . . . . . . . . . . . . .5-47
5.16.2 Electronic Gear Ratio Setting Examples . . . . . . .5-50
5.17 Resetting the Absolute Encoder . . . . . . . . 5-51
5.17.1 Precautions on Resetting . . . . . . . . . . . . . . . . . .5-51
5.17.2 Preparations . . . . . . . . . . . . . . . . . . . . . . . . . . .5-51
5.17.3 Applicable Tools . . . . . . . . . . . . . . . . . . . . . . . . .5-52
5.17.4 Operating Procedure . . . . . . . . . . . . . . . . . . . . .5-52