Delta Electronics ASDA-B Series manual GR1

Chapter 7 Servo ParametersASDA-B Series

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
GNUM0	0	P1-44, P1-45
	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 (Servo 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:

Pulse input		Position		f1: Pulse input	f2: Position command
	N	command		N: Numerator, the setting value of P1-15 or P1-44
	M
f1		f2 = f1 x	N
			M	M: Denominator, the setting value of P1-45

The electronic gear ratio setting range must be within: 1/50<N/M<200.

In terms of the servo drive which the firmware version is V1.018 or above, the electronic gear ratio can be set when the servo drive is On (Servo On).

7-36 Revision January, 2009