MOTOROLA MVME162P-244LSE displacement rate card

The input and output data of the VME-PROF-S can be accessed trough the dualport RAM. See chapter 4.2.1 for the address range.The DP-Slave software starts, the configuration data will be read. If „status“ is set to $02 and didn’t change, an error had occurred (for example wrong configuration data, wrong length of configuration data).If the VME-PROF-S configuration includes inputs, but no outputs, the variable „status“ will not be set during the regular operating of the VME-PROF-S, because no new output data are available. If the operating mode of the VME-PROF-S should be checked, one dummy output byte must be configured.

Sema-Variable within the input- and output buffer

 A semaphon control byte „sema“ are included in the input- and output-data-buffer. Output-Sema: Sema will be increased before and after the VME-PROF-S data access. Sema must be set to $00 when the output buffer is initialized. Input-Sema: The VME-PROF-S-software will only accept new input data, if Sema are even and didn’t change, while the data were read. Sema must be set to $00 when the input buffer is initialized.

                                                                        

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