— 8-15 —
8.2.4. Home Return Start: HOS
Starts a Home Return operation.
Table 8-12: Signal logic of the input HOS
Logic Description
↓ (ON → OFF)
Not effective
↑ (OFF → ON)
Starts operation
Starts the Home Return operation specified by the parameter OS (Origin setting mode).
Confirm that all of the following conditions are met before starting the Home Return operation.
1) Other internal command, such as positioning, jogging and Home Return, is not
established.
◊ Confirm that the output BUSY (In-operation) is open.
2) The Motor servo is active.
◊ Confirm that the output SVST (Servo on) is closed.
3) No alarm or warning is reported and the input STP (Stop) is OFF.
Warning A5 (Origin undefined) occurs if you execute an absolute positioning operation after you
abort the Home Return operation.
◊ Complete the Home Return operation, and thus define the Home position of the scale
system.
Refer to “8.8. Home Return” for the procedures of the Home Return operation.
8.2.5. Home Position Limit: HLS
When performing Home Return operation, this input monitors that the Motor is nearing the
proximity of the Home position.
Table 8-13: Signal logic of the input HLS
Logic Description
OFF
Normal
ON
Home position proximity
When the parameter OS (Home Return mode) is set to OS1, OS3, OS4 and OS5, the System
performs Home Return operation and Home position setting according to the input HLS.
Refer to “8.8.1. Home Return with Home Limit Sensor” for the procedure of Home Return.
Refer to “8.8.4. Position Adjustment of Home Limit Sensor” for setting the position of Home
limit sensor.
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