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16. INDEXER POSITIONING OPERATION
(2) Home position return parameter
When performing home position return, set each parameter as follows.
(a) Choose the home position return method with parameter No.PC02 (Home position return type).
Home position return method
0:
1:
2:
3:
4:
5: Not used in indexer postioning operation.
6:
7:
8:
9:
A:
C: Torque limit changing dog type
D: Torque limit changing data setting type
0
Parameter No.PC02
00
(b) Choose the starting direction of home position return with parameter No.PC03 (Home position return
direction). Set "0" to start home position return in the direction in which the station No. is incremented
from the current position, or "1" to start home position return in the direction in which the address is
decremented.
Home position return direction
0: Station No. increment direction
1: Station No. decrement direction
0
Parameter No.PC03
00
(c) Choose the polarity at which the proximity dog is detected with parameter No.PD16 (Input polarity
setting). Set "0" to detect the dog when the proximity dog device (DOG) is OFF, or "1" to detect the dog
when the device is ON.
000
Parameter No.PD16
Proximity dog input polarity
0: OFF indicates detection of the dog
1: ON indicates detection of the dog
(3) Instructions
1) Before starting home position return, always make sure that the limit switch operates.
2) Confirm the home position return direction. Incorrect setting will cause the machine to run reversely.
3) Confirm the proximity dog input polarity. Not doing so may cause unexpected operation.