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Solenoids                                                                                               Solenoids
                                                                                                          Solenoid

 BLOCK DIAGRAM  AMPLIFIER WITH ANALOGUE INTERFACE
            Command value scaling                                Signal recording
 X1-1  X2-1  The command value can be applied as a voltage, current, digital, fre-  Furthermore, the „PD2“ amplifier electronics have a signal recording
 +VCC
            quency or PWM signal. The scaling takes place via the parameter “In-  Supply  F                                                                                         F
                                                                 function. This, by means of PASO, enables the recording of various sy-
                                                                 stem signals, such as command value, solenoid current, etc., which
            terface”. Furthermore, the command value can be monitored for a cable   voltage  X1-1                                                                     Tension             X1-2
                                                                                    X1-5
                                                                                                                                                                                          X1-5
                                                                                                                                                                      d'alimentation
            break. A dead band can also be set.                  can be represented on a common time axis.
                                                                         F = Fuse  low                                                                                          F = Sécurité inerte
            Fixed command value                                  Solenoid driver F                                                                                                  F
                                                                 A Pulse-Width-Modulated current output is available. A dither signal is
 X1-5       There is 1 fixed command value available, which can be selected via   Supply  X1-1                                                                        Tension             X1-2
                                                                                    X1-5
                                                                                                                                                                                          X1-5
                                                                voltage
 GND        the digital input. This function has to be configurated before in PASO.  superimposed, whereby the dither frequency and the dither level are              d'alimentation
                                                                 separately adjustable. The minimum (Imin) and maximum (Imax) cur-                                              F = Sécurité inerte
                                                                         F = Fuse  low
 Internal  Solenoid  Ramp generator                              rent can be adjusted. The solenoid output can also be configurated as
 supply  Supply   PWM  Two linear ramps for up and down are available which can be adjusted   switching solenoid output. In this case, a power reduction can be ad-
                                                                                USB/PASO
            separately.                                          justed.
 Stabilised  X1-4
 output     Valve type                                           Optimisation of characteristic curve                                                                               F
                                                                    0...1 VDC
                                                                              F
            Adjustment possibilities: switching solenoid or proportional solenoid.  Supply  X1-1 X1-3                                                                  Tension             X1-2
                                                                 An adjustable characteristic curve „Command value input – solenoid
                                                                   6...32 VDC
   A/D                                                           voltage        USB/PASO                                                                               d'alimentation      X1-5
                                                                                     X1-5
                                                                 current output“ enables an optimised (e.g. linearised) characteristic of
            Mode of operation „Command value unipolar/bipolar (1-Sol)  the hydraulic system.                                                                                     F = Sécurité inerte
                                                                          F = Fuse  low
 X1-2       Dependent on a command value signal (voltage, current, digital, fre-
 Analogue input  X2-2                                              USB/PASO     Adapter
                                                                    0...1 VDC
 Voltage or current    A/D  quency or PWM), the solenoid is driven (e.g. 0….10V correspond to   Channel enabling  USB-PD2  X1-3
                                                                   6...32 VDC
            0….100 % command value, 0….+100 % command value correspond   The device is enabled as per factory setting. Via PASO or menu item,
            to Imin….Imax solenoid driver)                       the digital input can be configurated for enabling.
                                                                    0...1 VDC
                                                                   6...32 VDC   Adapter  X1-3
                                                                   USB/PASO     USB-PD2
                                                                                 USB/PASO
 X1-3
 Digital input                                                      0...1 VDC
                                                                     0...1 VDC
                                                                   6...32 VDC          X1-3
                                                                                        X1-3
                                                                    6...32 VDC
 Adapter  Push-buttons  7 segment                                           X1-4  Adapter
 USB-PD2  FLASH  display  0 %             100 %   Command value     USB/PASO     USB-PD2
 RAM           0 V                         10 V                             X1-2
               4 mA                       20 mA   Analogue value
 PASO / USB    0 mA                       20 mA                      0...1 VDC X1-5
               5 Hz                     5000 Hz                     6...32 VDC X1-4     X1-3
               - 10 V                      10 V
                                                                            X1-2
 START-UP  ADDITIONAL INFORMATION  CONNECTION EXAMPLES                      X1-5
 Information regarding installation and commissioning are contained in         Wandfluh documentation
 the information leaflet supplied with the amplifier electronics and in the   Proportional spool valve   register    1.10  F  F
            Supply voltage
 operating instructions.  Proportional pressure valves   register    2.3  Supply  X1-1  Analogue input with potentiometer  Tension   X1-2
                                                                                                                                     X1-5
           voltage
                              X1-5
 Proportional flow control valves   register    2.6  F                       X1-4                                d'alimentation  F
 Additional information can be found on our website:  Supply  F = Fuse  low  X1-1                                  Tension  F = Sécurité inerte  X1-2
             voltage
                                 X1-5
                                                                                                                                       X1-5
 «www.wandfluh.com»                                                          X1-2                                  d'alimentation
 ACCESSORIES          F = Fuse  low                                                                                         F = Sécurité inerte
 Free-of-charge download:  USB adapter PD2   Article no. 726.9900   0...10 VDC  X1-5  X1-2
                                                                    +/-10 VDC
                                                                                    X1-5
 • «PASO-PD2» Parameterisation software  incl. USB cable, 1,8 m
 • Operating instruction (*.pdf)  (for parameterisation via PASO)  Digital input as function input  Analogue input voltage with external voltage source
                           USB/PASO
 PARAMETER SETTINGS                                                 0...10 VDC      X1-2
 The MKY electronics have push-buttons and a display which enable setting the most important parameters. In addition, the digital input can be   +/-10 VDC  X1-5
 used as a communication interface, through which, by means of the parameterisation software "PASO-PD2", the complete parameterisation and   0...1 VDC  USB/PASO  Analogue input current with external current source
 diagnostics can be carried out. For this, the Wandfluh USB-PD2 adapter is required.  6...32 VDC  X1-3
                 0...1 VDC                                          0...20 mA       X1-2
 Attention: During the communication, the digital input cannot be used.  6...32 VDC  X1-3  4...20 mA  X1-5
                           Adapter
 FUNCTION DESCRIPTION  Digital input as USB interface
              USB/PASO
                           USB-PD2
                                                                                     X1-2
                                                                     0...10 VDC
                             Adapter            VCC                 0...20 mA       X1-2
                                                                     +/-10 VDC
                                                                                     X1-5
                USB/PASO     USB-PD2                                4...20 mA       X1-5
               0...1 VDC
              6...32 VDC          X1-3                 X1-1  + VCC
                 0...1 VDC
                PC     USB                ON   DIG     X1-3
                                    X1-3
 Command  Solenoid output  PASO  USB - Adapter  TX  OV     DigInp  MKY
                6...32 VDC
 value   Command  Fixed  Ramp  Solenoid   RX           X1-5  GND
 scaling  command  generator  Valve type
 values  driver  Current measurement
                                                GND
                                                                     0...20 mA       X1-2
 DigInp  DigInp  DigInp  DigInp  Plug           Screw Terminal       4...20 mA       X1-5
                         USB type B
 Error  Number  Enable  Solenoid   Enable  Error  X1-4
                      X1-2 X1-4
 Wandfluh AG   Tel.  +41 33 672 72 72   E-mail:  sales@wandfluh.com   Illustrations not obligatory   Data sheet no.  Wandfluh AG   Tel.  +41 33 672 72 72   E-mail:  sales@wandfluh.com   Illustrations not obligatory   Data sheet no.
 Postfach   Fax  +41 33 672 72 12   Internet:  www.wandfluh.com   Data subject to change   1.1-183SE 4/5  Postfach   X1-5 X1-2  Fax  +41 33 672 72 12   Internet:  www.wandfluh.com   Data subject to change   1.1-183SE 5/5
 CH-3714 Frutigen                   Edition 22 11  CH-3714 Frutigen                                      Edition 22 11
                         X1-5                                                                               Page 83
              0...10 VDC      X1-2
              +/-10 VDC       X1-5
                0...10 VDC      X1-2
                +/-10 VDC       X1-5
              0...20 mA       X1-2
              4...20 mA       X1-5
                0...20 mA       X1-2
                4...20 mA       X1-5
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