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Delta Electronics AC Servo Drive ASDA-B User Manual

Page 189

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Chapter 7 Servo Parameters|ASDA-B Series

7-36

Revision February 2008, Doc. Name: 2006PDD23000009

P1 - 44

GR1

Electronic Gear Ratio (1st Numerator) (N1)

Communication Addr.: 012CH

Default: 1

Related Section:

Applicable Control Mode: P

Section 6.2.4, P1-15, P1-45

Unit: pulse

DI GNUM0(11) in Table 7.A

Range: 1 ~ 32767

Settings:

The electronic gear numerator value can be set via external DI signal (refer to Table 7.A).

DI Name

DI Status

Selected Electronic Gear

Not select (Note 1)

P1-44, P1-45

0 P1-44,

P1-45

GNUM0

1 P1-44,

P1-45

NOTE

1) DI signal can be selected by parameter P2-10 to P2-15 and Table 7.A. If uses only need to

use one group of electronic gear, it allows users not to select GNUM0.

P1 - 45

GR2

Electronic Gear Ratio (Denominator)

Communication Addr.: 012DH

Default: 1

Related Section:

Applicable Control Mode: P

Section 6.2.4, P1-15, P1-44

Unit: pulse

DI GNUM0(11) in Table 7.A

Range: 1 ~ 32767

Settings:

Please set electronic gear ratio when the servo drive is Off. As the wrong setting can cause
motor to run chaotically (out of control) and it may lead to personnel injury, therefore, ensure to
observe the following rule when setting P1-44, P1-45.

The electronic gear ratio settings:

f1

f2 = f1 x

N

M

N

M

Pulse input

Position

command

The electronic gear ratio setting range must be within: 1/50

P1 - 46

GR3

Encoder Output Pulse Number

Communication Addr.: 012EH

Default: 2500

Related Section:

Applicable Control Mode: P/S/T

P1-03

Unit: pulse

Range: 1 ~ 2500 (0 = By pass)

Settings:

This parameter is used to set the pulse number of encoder outputs.

f1: Pulse input f2: Position command

N: Numerator, the setting value of P1-15 or P1-44

M: Denominator, the setting value of P1-45