Duplomatic Digital Card For Pressure And Force Control In Closed Loop Systems, Type EWM-P-AA

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Duplomatic

Digital card for pressure and force control in closed loop systems

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Description
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Description

The EWM-P-AA card is a digital card for pressure (force) control in closed loop systems. It controls pressure reducing valves and pressure limiting valves. It is designed for applications with pressure-controlled servo pumps. The card works as a bypass control module. The command value is directly transferred to the control output (pressure valve) and the closed loop compensates only the linearity failures. In most cases the optimization is possible without any measuring instruments (a pressure sensor is necessary only). The power amplifier is integrated. To configure it, you need the EWM20_SmartManager 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

• Digital card for closed-loop pressure and force control • Fast sampling and high accuracy • Easy parameterization via USB interface

Downloads

Datasheet_EWM-P-AA.pdf

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Download

Specifications

Power Supply
12–30 V DC (ripple included)
External Fuse
3A (medium time lag)
Current Consumption
30A + current for solenoid
Pressure Command Input
0–10 V (RI > 90 kΩ), 4–20 mA (RI = 390 Ω)
Pressure Signal Accuracy
0.03% (oversampling included)
Feedback Value
0–10 V (RI = 90 kΩ), 4–20 mA (RI = 390 Ω)
Output Current
0.5–2.6 A stepless (software settable)
Sample Time (pressure)
1 ms
Interface
USB-B (2.0)
Housing material
Thermoplastic polyamide PA6.6, V0 (UL94)
Housing Dimensions
120 x 99 x 23 mm
Connector
4x4 poles screw terminals
Operating Temperature
-20°C to +60°C
Protection degree
IP20
Mounting
DIN rail (EN 50022)
Functions
Adjustable PID, ramp up/down, dither, PWM, emergency output, error/cable break monitoring

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