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5 Parameter Setting and Functions

5.4.6 Fully-closed Loop Control

5-20

5.4.6 Fully-closed Loop Control

For more information on the settings for fully-closed loop control, refer to

-V Series User’s Manual Design

and Maintenance Rotational Motor/Command Option Attachable Type (SIEP S800000 60).

When using the fully-closed loop control with an INDEXER Module, some restrictions apply to the setting

for parameter Pn20A (External Encoder Pitches.)

Set parameter Pn20A (External Encoder Pitches) to a value within the recommended

range. If a value outside of this range is set, the speed reference may be limited to a

value lower than the maximum speed of the motor.

Scale Type PGTYPE Response

Pn20A Setting

Range

8-bit serial converter unit

8-bit scale

PGTYPE = 0000xx08 Pn20A ≤ 65103

9-bit scale PGTYPE = 0000xx09 Pn20A ≤ 32551

10-bit scale PGTYPE = 0000xx0A Pn20A ≤ 16275

13-bit scale PGTYPE = 0000xx0D Pn20A ≤ 2034

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YASKAWA SERVO Manuel d'utilisateur Page 80