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Digital controller modul
                                                                                 Digital controller module SD7

       BLOCK DIAGRAM ENHANCED CONTROLLER


                 X1-5
               +
                           DC                                  U    X1-15
       Supply               DC                         PWM       I
       voltage   X1-6             LED                                    Solenoid A
             0 VDC                green    Microcontroller          X1-16
                                                        A/D
                                   Ref
       Stabilised output  X1-7
       voltage                          A                           X1-13
                 X1-9                                  PWM     U
               +                                                 I
       Analogue input 1  X1-10  + -                                      Solenoid B
               -                                                    X1-14
                                          10-Bit        A/D
                 X1-11
               +                                                         LED red
       Analogue input 2  X1-12  + -     D
               -
                                                                         LED yellow
                                   Ref                           A  X1-32
       Stabilised output  X1-31                        SPI               Analogue output
       voltage                                                    D
                                                                12-Bit
                 X1-25
               +
       Analogue input 3  X1-26  + -                                 X1-30
               -                                                         Analogue ground
                                   A
                                       SPI
                                    D
                 X1-27             16-Bit
               +                                                     X1-3
       Analogue input 4  X1-28  + -                                      Digital output 1
               -
                                                                     X1-4
                                                                         Digital output 2
                 X1-8
       Analogue ground                                              X1-23
                                                                         Digital output 3
                 X3-9                                               X1-24
       Output +24VDC                                                     Digital output 4
                 X3-7
       Output +5VDC
                 X3-8
       Sensor ground
                 X3-5
       Clock output +
                 X3-6
       Clock output -
       Data input +  X3-1
                               +
                 X3-2          -
       Data input -
                 X1-1
       Digital input 1
                 X1-2
       Digital inputg 2
                 X1-17
       Digital input 3
                 X1-18
       Digital input 4
                 X1-19
       Digital input 5
                 X1-20
       Digital input 6
                 X1-21
       Digital input 7
                                              FEPROM                  X2   USB
                                                RAM
                 X1-22                                                     see „Pin Assignment“
       Digital input 8                        EEPROM
                 X1-29
       Digital ground
                                                     Option
                                                                           Fieldbus (Option)
                                                                      X4   • CAN / S1939
                                                                           • Profibus
                                                                           see „Pin Assignment“




       Wandfluh AG        Tel.  +41 33 672 72 72   sales@wandfluh.com     Illustrations not obligatory   Data sheet no.
       Postfach           Fax  +41 33 672 72 12   www.wandfluh.com        Data subject to change   1.13-106E 8/11
       CH-3714 Frutigen                                                                            Edition 23 02
       Page 748
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