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Duplomatic EWM-PQ-AA – Digital card for pressure/flow control in closed loop systems

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The EWM-PQ-AA has been developed as a classic p/Q controller but it work well also with high response valves via an analogue command input for pressure and flow.

The p/Q controller automatically switches between Q and p control modes to assure that the set point limits for P has not to exceed.

The pressure feedback is analogue type.

The card use the RS232C interface, and is settable via notebook, using the software kit EWMPC.

Product Specification

Description Units
Power Supply 12 ÷ 30 V DC Ripple Included
External Fuse 1.0 A
Current Consumption 100 mA
Command (Pressure) Value 0 ÷ 10 V (Rι = 33 kΩ)
4 ÷ 20 V (Rι = 250Ω)
Speed Input (Q Input) +10 (Rι = 90 kΩ)
Feedback Value 0 ÷ 10 V (Rι = 33 kΩ)
4 ÷ 20 V (Rι = 250 Ω)
Output Value – E0 Version +10 (Max Load 5 mA)
Output Value – E1 Version 4 ÷ 20 V (Max Load 390 Ω)
Sensor Resolution for Command and Feedback Value
and For Speed (Q) Input
0.012%
Interface RS 232 C
Electromagnetic Compatability
(EMC) 2004/108/EC
Immunity EN 61000-6-2
Emissions EN 61000-6-4
Housing Material Thermoplastic Polymide PA6.6
Combustibility Class V0 (UL94)
Housing Dimensions 120 (d) x 99(h) x 23 (w) mm
Connector 4×4 Poles Screw Terminals – PE Direct Via DIN Rail
Operating Temperature -20 / +60 °C
Protection Degree IP 20

Duplomatic – EWM-PQ-AA – Digital card for pressure/flow control in closed loop systems – Data Sheet

Additional Information

Manufacturer

Duplomatic

Electronic Control Modules

Pressure Control

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