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Proportional Valve Driver Card
                                    APPLICATION AREA      
Proportional Driver Card can be used on valves having different ohms varying between 3-30 ohms.
There are two-way independent ramp warning in order to get the shocks taking place in the system.
Switching frequency is 400Hz. It has two Channels as Valve 1 and Valve 2.  
It can be used in many areas such as Plastic Injection Machines, Hydraulic Presses, Special Purpose Hydraulic 
Machines and Hydraulic Lift applications, Proportional Test Units, ...etc.          
                 TECHNICAL SPECIFICATIONS      
Supply Voltage      U = 24V - 45 VDC (without regulation)    
Current Reference Inlets    2 pieces of 0-10 V        
Speed Valve        Rmin = 32 Ω   I Max = 3A      
Pressure Valve        Rmin = 32 Ω   I Max = 3A      
Ramp                    
        Rising  min 0 - max 4 seconds        
        Falling  min 0 - max 4 seconds        
Output Switching Frequency  400Hz          
Output Current according to Supply Voltage   % 0.70          
Variation Rate              
Size          118 x 80 cm        
                     
 
If ENABLE 1 0V is connected, output of VALVE 1 shows variation according to REF1 Reference.  
If ENABLE 2 0V is connected, output of VALVE 2 shows variation according to REF2 Reference.  
C41, CG2 current adjustable resistor              
G1,G2 gain adjustable resistor              
Z1,Z2 offset adjustable resistor              
R ramp adjustable resistor              
                     
     
       
   
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