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Duplomatic EDM-M* – Digital Amplifier for Open Loop Proportional Valves

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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 EDM-M* card is a digital amplifier for open loop proportional valves control. It is designed for rail mounting type: DIN EN 50022.

The unit supplies a variable current in proportion to the reference signal and independently of temperature variations or load impedance.

The PWM stage on the solenoid power supply allows the reduction of the valve hysteresis, thus optimising control precision. The unit is available in three main versions, to control single solenoid valves (M1), double solenoid valves (M2) and valves with two independent channels controlling two single solenoid valves (M3). Each version is available with different maximum current settings and switching frequencies (PWM), optimised according to the relevant valve.

The parameters adjustment is carried out either through keyboard and display, placed on the front panel, or with a notebook, via RS232 or via USB converter (EDMPC/20 software).

Product Specification

Description Units
Power Supply 10 ÷ 30 VDC
Required Power  Min 20 – Max 40 W
Output Current  Min 800 – Max 2600 mA
Power Supply Electrical Protections  Overload over 33V
Polarity Inversion
Output Electrical Protections  Short-Circuit
Analogue Electrical Protections  Up to 30V DC due to incorrect power supply connection
Available Reference Signals 0 ÷ 10 V  Input Impedance 10 – 100 kΩ
Available Reference Signals +10 V Input Impedance 10 – 100 kΩ
Available Reference Signals 4 ÷ 20 mA  Input Impedance Max 500 kΩ
Additional Output Ports  +10V DC to Supply to 50 + 50 mA to External Potentiometer
Electromagnetic Compatability (EMC)  According to 2004/108/CE standards
Housing Material  Thermoplastic Polyamide
Housing Dimensions  120 x 93 x 23
Connector  Plug-in Terminal block with Tightening Screws: 15 Poles
Operating Temperature Range  -20 / +70 °C
Mass  0.15 kg

Duplomatic – EDM-M* – Digital Amplifier for Open Loop Proportional Valves – Data Sheet

Additional Information

Electronic Control Modules

Modular Amplifiers

Manufacturer

Duplomatic

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