Elmomc SimplIQ Analog Servo Amplifiers-Violin Installatio Manual de usuario descargar pdf (Pagina 19)

Violin Installation Guide Servo Control Operation

MAN-VIOIG (Ver. 2.3)

4-3

4.4 External Current Limit - Continuous (ECLC)

The continuous current limit of the Violin amplifier can be scaled down by an external

voltage or by an external resistor connected from pin J1/3 (ECLC) to pin J1/5 (ECLRET).

4.4.1 External Voltage

An external positive voltage (0 to 3.75 V) to terminal J1/3 (ECLC) in reference to terminal

J1/5 (ECLRET) will control the continuous current limit from zero to 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 ±0.2 mA.

 The maximum absolute V

ECLC

is 12 V.

4.4.2 External Resistor

Connect an external resistor between terminal J1/3 (ECLC) and terminal J1/5 (ECLRET).

The resistor value is given by:

 0 < R

ECLC

< 36.4 K (1/8 Watt)

 At R

ECLC

greater than 36.4 K, the current limit will be internally clamped to the

nominal value.

 I

C(nom)

is the nominal continuous current limit of the amplifier.

4.5 External Current Limit - Peak (ECLP)

The peak current limit of the Violin amplifier can be scaled down by an external voltage

or by an external resistor connected between pin J1/4 (ECLP) and pin J1/5 (ECLRET).

4.5.1 External Voltage

An external positive voltage (0 to 3.75 V) to terminal J1/4 (ECLP) in reference to terminal

J1/5 (ECLRET) will control the peak current limit from zero to Ip(nom).

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

ECLP

is higher than

3.75 V.

 The external voltage source must be able to source/ sink at least ±0.2 mA.

 The maximum absolute V

ECLP

is 12 V.

ECLC

IC(new) =

3.75V

* Ic(nom)

ECLC

IC(new) =

3.75V

* Ic(nom)

(Kohm) = 37.4 *

ECLC

Ic(new)

Ic(nom)

- 1

(Kohm) = 37.4 *

ECLC

(Kohm) = 37.4 *

ECLC

Ic(new)

Ic(nom)

- 1

ECLP

Ip(new) =

3.75V

* Ip(nom)

ECLP

Ip(new) =

3.75V

* Ip(nom)

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Elmomc SimplIQ Analog Servo Amplifiers-Violin Installatio Manual de usuario Pagina 19

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