Duplomatic Analog Amplifier For Proportional Valves, Type EWM-A-PV

Brand :
Duplomatic

Analog amplifier for proportional valves

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Description
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Description

The EWM-A-PV card is a universal power amplifier, for proportional valves, with output current regulated in closed loop, for DIN EN 50022 rail mounting. The power amplifier generates a PWM signal up to 2.6 A. Depending on how it is configured, the card allows the control of one proportional directional valve (2 solenoids) or the control with analog signal of one or two single solenoid proportional valves (flow rate, pressure, directional..) or the control via three digital input signals of a single or double solenoid proportional valve; ramps and max eight values per command must be pre-configured via software. There are functions for curve linearization and failures monitoring. To configure it you need the EWMPC/20 software, which can be downloaded from this page. Connection by USB port on the front panel. User Manuals are available upon registration in the reserved area.

Key Features

• Universal analogue amplifier for proportional valves • Multiple input options for easy adaptation • Simple parameter adjustment via software

Downloads

Datasheet_EWM-A-PV.pdf

pdf
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Specifications

Type
Universal analogue amplifier for proportional valves
Series
20
Power Supply
12–30 V DC (ripple included)
Fuse, External
3 A (medium time lag)
Current Consumption
Up to 60 W (depends on solenoid/type)
Analogue Command Values
±10 V, 0–10 V (≥90 kΩ), 4–20 mA (390 Ω)
Digital Command
OFF: <2V, ON: >10V (25 kΩ)
Sample Time
1 ms
Output Current
500–2600 mA
PWM Frequency
61–2604 Hz (adjustable)
Interface
USB-B 2.0
Housing material
PA6.6, V0 (UL94)
Dimensions
120 x 99 x 23 mm
Mounting
DIN EN 50022 rail
Connector
4x4 pole screw terminal
Protection degree
IP20
Operating Temperature
-20°C to +60°C
Functions
Ramps, dither, PWM and gains configurable via software
Features
Choose any special solenoid valve features that are important for your application.
Control of single/dual solenoid valves, short-circuit & cable break protection, diagnostics via LEDs

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