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16. INDEXER POSITIONING OPERATION
16.7.2 Automatic operation mode 1 (Rotation direction specifying indexer)
In this operation mode, the servo motor rotates in the fixed direction and executes positioning to a station.
(1) When not using the remote register
Select the station number using 8-bit device of the next station selection 1 to 8 (RYnA to RYnE, and
RY(n
2)3 to RY(n 2)5), and execute positioning. For the servo motor speed and acceleration/
deceleration time constant during operation, the value set in the point table is used.
(a) Device/Parameter
Set the input devices and parameters as indicated below.
Item Device/Parameter Setting description
Indexer positioning operation
selection
Parameter No.PA01 1 : Select the indexer positioning
operation.
Operation mode selection 1 (RYn6) Turn off RYn6. Automatic operation mode 1
(Rotation direction specifying indexer)
selection
Operation mode selection 2 (RYn7) Turn on RYn7.
(b) Other parameter settings
1) Setting the allocation direction of station numbers
Select the allocation direction of station numbers using the parameter No.PA14 (Station No. direction
selection).
Parameter No.PA14
setting
Station No. allocation direction
Start (RYn1) ON
0 (Initial value) Station No. is allocated in CW direction in order of 1, 2, 3…
1 Station No. is allocated in CCW direction in order of 1, 2, 3…
CW
CCW
Station No.
1
2
3
4
CW
direction
Station No.
1
2
3
4
CCW
direction
Parameter No.PA14: 0 (Initial value) Parameter No.PA14: 1