Fastech Ezi-Step II Plus-E MINI, Руководство пользователя, Страница: 40 / 62

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Other Operation Functions
40
８－３．Origin Return
If a machine operates as I/O command mode, it can execute origin return by inputting
「Origin Search」 signal. Also, it can execute origin return by a command from User
Program(GUI) or DLL program.
The following table shows parameter types related to origin return.
Parameter Name Description Range
Org Speed
Operation speed when origin return starts 1~500,000[pps]
Org Search Speed
Low-speed operation speed after origin
sensor is sensed and operation start
speed when origin starts.
1~50,000[pps]
Org Acc Dec Time
The time assigned to the
acceleration/deceleration section when
origin return starts and stops.
1~9,999[ms]
Org Method
To select how to return the origin(8 types) 0~7
Org Dir
To select operation direction(CW or CCW) 0~1
Org Offset
After origin return is finished, the motor
moves additionally as this setting value
and then stops.
-134,217,728 ~
134,217,727
Org Position Set
After origin return is finished, ‘Command
Pos’ value is set to this setting value. -134,217,728~
134,217,727
Org Sensor Logic
To set the origin sensor signal level. 0~1
(1) Origin Return method setting
To execute origin return,
「Org Method」
parameter should be set as follows.

Arrow mark is for moving direction in below picture.

○ is origin end position in below pic.
(Numbers in ○ mark is indication the sensor Dog position or following example of origin
direction.)

Index Pulse is Z Phase.

The origin return by Z Phase operates only when an external encoder is used.

In the case of origin return by a Z-pulse, after the completion of low speed origin
return in 'Org Search Speed' value, Z-pulse origin return is done twice to complete the
return to origin with 10[pps] speed(fixed speed).
(It is method for precise return to Z-pulse origin.)

When limit sensor is detected, stop by the stop method set in H / W Limit Stop
Method (parameter No. 12, E-STOP / Stop) and then execute the remaining homing
routine.