NSK EDD Megatorque Motor, Руководство пользователя, Страница: 206 / 398

8. More Advanced Function
— 8-22 —
8.3.4. Output Normal: NRM

Reports that the Driver Unit is in normal condition.

When this output opens, an alarm or a warning occurs.
Table 8-24: Signal logic of the output NRM
Logic Description.
Open
Occurrence of an alarm or warning.
Closed Normal

The signal timing of the alarms and warnings is the same as those of the output DRDY (Driver Unit ready)
and the output WRN (Warning). Refer to “11. Alarm and Warning” for details.
8.3.5. Home Return Completed: HOME

This output reports that Home Return operation is completed and the Motor is on the Home position.

It can be used for the completion signal of the input HOS (Home Return start).
Table 8-25: Signal logic of the HOME output
Logic Description
Open
Home Return unfinished or the commanded position is not the
Home position.
Closed
Home Return is completed and the current commanded position is
the Home position.

The completion of Home Return operation reports the following.

The commanded position is denotes the sum of the current position and the position error.

When the commanded position becomes other than 0 (zero), this output opens and does not close until the
completion of next Home Return operation.
 Refer to “8.8. Home Return” for the signal timing of the output HOME.
8.3.6. Home Position Defined: HCMP

This output reports that the Home position of position scale is defined.
♢
Since this system has the embedded absolute sensor, this output is closed after the power is turned on.
Table 8-26: Signal logic of the output HCMP
Logic Description
Open Home position undefined
Close Home position defined

The following alarms make the Home position undefined.

Also, interruption of Home Return operation makes the Home position undefined.
Table 8-27: Alarm that makes the Home position undefined
7 segments LED Command TA (Tell alarm) Description Motor condition
A0
A0>Position Sensor Error
Error in the position sensor
Servo off A1
A1>Absolute Position Error
Error in absolute position data
A4
A4>Over Speed
Excessive velocity
 Refer to “8.8. Home Return” for the signal timing of the output HCMP.