Elmomc SimplIQ Analog Servo Amplifiers-Piccolo Installati Manual do Utilizador descarregar pdf (Página 24)

Piccolo Installation Guide Servo Control Operation

MAN-PICIG (Ver. 2.301)

www.elmomc.com

4.3. Current Gain Control (CGC)

The Piccolo amplifier is equipped with Current Gain Control (CGC) for improved performance of

low induction motors. Connecting pin J1/8 to J1/9 reduces the gain of the current loop, thus

enabling the use of low inductance motors without the insertion of an additional inductor. The

default (pin J1/8 left open) is high gain.

Shorting this pin to the circuit common pin (J1/9) reduces the proportional gain (P) of the

current loop by approx. 70%.

For permanent selection, a simple short is recommended. For remote selection, the following

scheme should be used.

Figure 5: CFM and CGC Remote Control

The following table should be used for calculating minimum inductance values.

Minimum Inductance for High Gain Minimum Inductance for Low Gain

5/60

Load (millihenry)

> 12*10

-3

* V

supply

(Volt)

Load (millihenry)

> 4.8*10

-3

* V

supply

(Volt)

10/60

Load (millihenry)

> 6*10

-3

* V

supply

(Volt)

Load (millihenry)

> 2.4*10

-3

* V

supply

(Volt)

15/60

Load (millihenry)

> 4*10

-3

* V

supply

(Volt)

Load (millihenry)

> 1.6*10

-3

* V

supply

(Volt)

25/60

Load (millihenry)

> 2.4*10

-3

* V

supply

(Volt)

Load (millihenry)

> 0.9*10

-3

* V

supply

(Volt)

3/100

Load (millihenry)

> 30*10

-3

* V

supply

(Volt)

Load (millihenry)

> 7.5*10

-3

* V

supply

(Volt)

10/100

Load (millihenry)

> 9*10

-3

* V

supply

(Volt)

Load (millihenry)

> 2.2*10

-3

* V

supply

(Volt)

15/100

Load (millihenry)

> 6*10

-3

* V

supply

(Volt)

Load (millihenry)

> 1.5*10

-3

* V

supply

(Volt)

20/100

Load (millihenry)

> 4*10

-3

* V

supply

(Volt)

Load (millihenry)

> 1.1*10

-3

* V

supply

(Volt)

2/200

Load (millihenry)

> 50*10

-3

* V

supply

(Volt)

Load (millihenry)

> 12*10

-3

* V

supply

(Volt)

6/200

Load (millihenry)

> 16.5*10

-3

supply(Volt)

Load (millihenry)

> 4*10

-3

* V

supply

(Volt)

10/200

Load (millihenry)

> 10*10

-3

supply(Volt)

Load (millihenry)

> 2.4

-3

* V

supply

(Volt)

15/200

Load (millihenry)

> 6.5*10

-3

supply(Volt)

Load (millihenry)

> 1.6

-3

* V

supply

(Volt)

Table 8: Minimum Inductance Values

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 30 31 32

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