Elmomc SimplIQ Analog Servo Amplifiers-Flute Installation Manual de usuario descargar pdf (Pagina 25)

Flute Installation Guide Servo Control Operation

MAN-FLUIG (Ver. 2.301)

www.elmomc.com

4.4. External Current Limit - Continuous (ECLC)

The continuous current limit of the Flute amplifier can be scaled down by an external voltage or

by an external resistor connected from pin J2/1 (ECLC) to pin J2/2 (ECLRET).

4.4.1. External Voltage

An external positive voltage (0 to 3.75 V) to terminal J2/1 (ECLC) in reference to terminal J2/2

(ECLRET) will control the continuous current limit from zero to Ic(nom).

ECLC

IC(new) =

3.75V

* Ic(nom)

ECLC

IC(new) =

3.75V

* Ic(nom)

• The voltage is internally clamped to 3.75 V whenever the external V

ECLC

is greater than

3.75 V.

• The external voltage source must be able to source/ sink at least ±0.4 mA.

• The maximum absolute V

ECLC

is 12 V.

4.4.2. External Resistor

Connect an external resistor between terminal J2/1 (ECLC) and terminal J2/2 (ECLRET). The

resistor value is given by:

(Kohm) = 12.5 *

ECLC

Ic(new)

Ic(nom)

- 1(Kohm) = 12.5 *

ECLC

(Kohm) = 12.5 *

ECLC

Ic(new)

Ic(nom)

- 1

• 0 < R

ECLC

< 11.4 K (1/8 Watt)

• At R

ECLC

greater than 11.4 K, the current limit will be internally clamped to the nominal

value.

• I

C(nom)

is the nominal continuous current limit of the amplifier.

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