Duplomatic Analog Amplifier For Servovalve Control, Type EWM-A-SV

Brand :
Duplomatic

Analog amplifier for servovalve control

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Description
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Description

The EWM-A-SV card is an analogue amplifier for servo valves with output current regulated in closed loop, for DIN EN 50022 rail mounting. This card is an analog amplifier that receive an analog input +/- 10V to move the servovalves via different values of current adjustable by DIL switches on board with steps of 10mA, up to 300 mA. The output current is controlled in closed loop, independently of the power supply and the resistance of the solenoids. This card has an embedded auxiliary supply positive and negative to power an external potentiometer.

Key Features

• Analogue amplifier designed for servovalve applications • Adjustable output current for various valve types • Reliable and compact construction

Downloads

Datasheet_EWM-A-SV.pdf

pdf
Download

Specifications

Type
Analogue power amplifier for servovalve control
Series
11
Power Supply
18–30 V DC
Current Consumption
400 mA
Command Position Value
±10 V (RI = 100 kΩ)
Frequency
140 Hz
Output Current
10–300 mA (RI = 25 Ω at Imax)
Dither Frequency
100 or 250 Hz
Dither Amplitude
0–15% of nominal current
Offset
±6.5%
Auxiliary Supply
±10 V (max 10 mA)
Housing material
PA6.6, V0 (UL94)
Housing Dimensions
120 x 99 x 23 mm
Mounting
DIN EN 50022 rail
Connector
4x4 pole screw terminal
Protection degree
IP20
Operating Temperature
0°C to +50°C
EMC Compliance
2014/30/EU
LED
Green (Power ON)
Configurable Output
10–300 mA (via DIL switches)
Zero/Dither Adjust
Adjustable

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