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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 rota tes in the fixed direction and executes posit ioning to a station.
(1) When not using the remote register
Select the station number using 8-bit device of the next statio n selection 1 to 8 (RYnA to RYnE, and
RY(n 2)3 to RY(n 2)5), and execute positioning. For the servo motor s peed 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 indica ted 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.
1234
CCW
direction
Parameter No.PA14: 0 (Initial value) Parameter No.PA14: 1