Page 1217 - Softbound_Edition_19_en
P. 1217

Proportional throttle valve
                                                                                         Proportional throttle valve


            Proportional throttle cartridge with integrated
            electronics                                          M22 x 1,5
             ◆  direct operated                                  ISO 7789
             ◆  Q  = 32 l/min
                max
             ◆  Q N max  = 25 l/min
             ◆  p  = 350 bar
                max




            DESCRIPTION                                          APPLICATION
            Direct operated proportional throttle valve with integrated electro-  Proportional  throttle  valves  with  integrated  electronics  are  per-
            nics as screw-in cartridge for cavity according to ISO 7789. With   fectly suitable for demanding applications in which the volume flow
            the solenoid deenergised, the control spool is held in the closed   frequently has to be changed. They are used in applications where
            position (DN) or open position (DO) by a spring. The change of the   high valve-to-valve reproducibility, easy installation, comfortable
            electric current is followed by a proportional volume flow change.   operation  and  high  precision  are  very  important.  The integrated
            Progressive  increase  and  decrease  of  volume  flow  and  reduced   controller reliefs the machine control and operates the volume flow
            hysteresis are characteristics of this valve. The Plug & Play valves   control in a closed loop circuit. The applications are in the indust-
            are factory set and adjusted and have therefore a high valve-to-   rial as well as in the mobile hydraulics for the smooth control of
            valve reproducibility. The control takes place via an analogue inter-    hydraulic actuations. The screw-in cartridge is perfectly suitable
            face or a fieldbus interface (CANopen, J1939 or Profibus DP). The   for  installation  in  control  blocks  and  is  installed  in  sandwich-
            parameterisation takes place by means of the free of cost parame-  (vertical    stacked systems) and in flange plates (corresponding data
            terisation and diagnostics software «PASO» or via fieldbus inter-  sheets in this register). For machining the cartridge cavity in steel
            face. The USB parameterisation interface is accessible through a   and aluminum blocks, cavity tools are available (hire or purchase).
            screw plug. As an option, these valves are available with integrated   Please refer to the data sheets in register 2.13.
            controller. As feedback value generators sensors with voltage or
            current output can be connected directly. The available controller   Note!  „PASO” is a Windows programm in the flow diagram
            structures  are  optimised  for  applications  with  hydraulic  actua-  style, which enables the intuitive adjustment and storing
            tions.                                                        of all variable parameters. The data remain saved in
                                                                          case of a power failure and can also be reproduced and
                                                                          transferred to other DSV.




            SYMBOL                                               ACTUATION
            „normally closed” DN      „normally open” DO          Actuation          Proportional solenoid, wet pin push
                           2                        2                                type, pressure tight
                                                                  Connection         Via device receptacle


                           1                        1





            MANUAL OVERRIDE                                      ELECTRICAL SPECIFICATIONS
            HB4,5 as standard                                     Protection class   IP67 with suitable mating connector and
                                                                                     closed housing cover
                                                                  Ramps              Adjustable
                                                                  Parameterisation   Via fieldbus or USB
                                                                  Supply voltage     12 VDC, 24 VDC
                                                                 Note!    Exact electrical specifications and detailed description
                                                                          of «DSV» electronics can be found on data sheet
                                                                          1.13-76.






                               www.wandfluh.com  Illustrations are not binding  Data subject to change  1/6  Edition: 22 46  2.6-541 E
                                                                                                           Page 1217
   1212   1213   1214   1215   1216   1217   1218   1219   1220   1221   1222