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Duplomatic EWM-S-B* – Digital Card for Stroke Control in Closed Loop System

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Duplomatic Oleodinamica designs and produces a complete range of hydraulic components that are suitable for all application sectors of both industrial and mobile fields.

The Duplomatic EWM-S-B* cards are designed for an easy stroke control of hydraulic actuators connected to a simple PLC with only I/O functions. The target position can be selected by a binary input up to 8 different position.

Typical applications are positioning drives, handling axis and fast transportable drives (adaptation of non-linear valve characteristics).The card controls a directional proportional valve with integrated electronics. As option, an integrated power amplifier is available.

This card allows an optimal use of overlapped and zero overlapped proportional valves.

Internal function and failure are monitored with two digital output easy to read.

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

Product Specification

Description Units
Power Supply 10 ÷ 30 VDC
External fuse 1.0 A (5 A for M2 Version)
Current Consumption EO and E1 Version  100 + Sensor Power Consumption
Current Consumption M2 Version Depending from Solenoid current. Max 5 A
Command Value  Binary Command with 3 Bit
Feedback Value – BA Version 0 ÷ 10 V (Rι = 90kΩ)
Feedback Valve – BI Version 4 ÷ 20 V (Rι = 250kΩ)
Output Valves – EO Version +10 V (Max Load 5 mA)
Output Values – E1 Version  4 ÷ 20 (Max Load 390 Ω)
Output Values – M2 Version  1.0 -1.6 – 2.6 A
Position Accuracy 0.01%
Interface  RS 232 C
Electromagnetic Compatibility (EMC)
According to 2004/108/CE
 Emission EN 61000-6-3
Immunity EN 61000-6-2
Housing Material Thermoplastic Polyamide PA6.6 – Combustibility Class V0 (UL94)
Housing Dimensions 120(d) x 99(h) x 23(w) or 46mm (on M2 version)
Connector  4×4 Poles Screw Terminals – PE Direct via DIN Rail
Operating Temperature Range  -20 / +60 °C
 Protection Degree  IP 20

Duplomatic – EWM-S-B* – Digital Card for Stroke Control in Closed Loop System – Data Sheet

Additional Information



Electronic Control Modules

Axes Positioning


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