QEM q-move User Manual

Motion controller, internal device

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motion controller
micro
Internal
Device
DAC
DAC internal device v. 2.6

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Summary of Contents for QEM q-move

  • Page 1 motion controller micro Internal Device DAC internal device v. 2.6...
  • Page 2 ® ® This manual is published by QEM srl without any kind of guarantee and we reserve the right to make modifications of typographical errors, inaccuracies in content and improvements (also of the products to which this manual makes reference). Any modifications will, in any case, be inserted in the following editions of this manual.
  • Page 3: Table Of Contents

    CONTENTS INTRODUCTION ..............4 INSTALLATION ..............5 Device declaration in the configuration file (.CNF) ........5 Example ..................5 FUNCTION ................ 6 Device configuration ............... 6 Exemple ..................6 COMMAND E PARAMETER ............7 Adopter symbols ................7 Command ..................7 R ....................
  • Page 4: Introduction

    INTRODUCTION The internal device DAC is a tool, resident in the CPU, that allows to manage an analog output with +/- 15 bit of resolution. The wirings and connections of the equipment described in the manual present, must respect the European Norm En60204-1. uplim offset A if B>=A...
  • Page 5: Installation

    INSTALLATION Device declaration in the configuration file (.CNF) The device DAC doesn’t In the configuration file (.CNF), the BUS section must be declared so that the hardware resources required any sampling time to implement the DAC device are available. At least one 16 bit resolution analog output must be declaration because its available.
  • Page 6: Function

    FUNCTION Device configuration In = input variable of the The device DAC generates an analog output which is proportional to the value of in variable. The device value must be introduced in bit with complement to 2 binary format. The values of the minimal and maximum analog output can be limit to you with the parameters Vout = signed analog output lowlim and uplim.
  • Page 7: Command E Parameter

    COMMAND E PARAMETER Adopter symbols The name of parameter, state or control is mentioned on the left side of the table. Indicates if the relevant parameter or state is retentive (at the moment of the device initialization it keeps the previous defined state) or indicates the state when the device is initialized. R = retentive 0 = At the moment of the device initialization, the value is forced to zero.
  • Page 8: Parameters

    Parameters Name Condition Description Input DAC It can be positive or negative. Range: -32768 ÷ 32767 (Bit DAC). offset Output offset It's the system's offset in bit. The value can be positive or negative. Range: -32768 ÷ 32767(Bit DAC). uplim Upper limit Upper output level.
  • Page 9: Limitations

    LIMITATIONS Not limitations. DAC internal device v. 2.6...
  • Page 10: Esempio Applicativo

    ESEMPIO APPLICATIVO Configuration file ;************************************************************************************* ; Module name: Ex_Dac.CNF Project: Ex_DAC ; Writer: QEM srl Date : 01/05/99 ; Sistem: QMove1 / QCL3 Library: 1LIB3B04 ; Funzionalità: Esempio gestione DAC Release: 0 ;--------------------------------------- Note ---------------------------------------- ; [1] - Exemple of application for use device DAC ;*************************************************************************************...
  • Page 11 ;------------------------------------------------------------------------ ; INPUT variables ;------------------------------------------------------------------------------------- INPUT ifChangeOut F 2.INP01 ;Change the analog output ;------------------------------------------------------------------------------------- ; OUTPUT variables ;------------------------------------------------------------------------------------- OUTPUT ;------------------------------------------------------------------------------------- ; Internal device declaration ;------------------------------------------------------------------------------------- INTDEVICE Nome Tipe OutAnal Asse 2.AN01 DAC internal device v. 2.6...
  • Page 12: Dac Management

    DAC management ;------------------------------------------------------------------------------------- ; Name File : TASK_00.MOD ; Project : EX_DAC ; Description : Gestione Posizionamento ;------------------------------------------------------------------------------------- ;------------------------------------------------------------------------------------- ; Device initialization ;------------------------------------------------------------------------------------- Asse:offset = 0 ;Offset voltage Asse:uplim = 32767 ;Max. value of analog output ;(+10V) Asse:lowlim = -32768 ;Min.

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