Phoenix IBS SC/I-T
The library offers a convenient way of executing the most important firmware services on the Phoenix Interbus IBS SC/I-T card for bus control from the TwinCAT PLC. The following diagram illustrates the states and the transition conditions of the bus control.
Bus Control
SCIT_ActivateConfiguration : Executes the Activate_Configuration command.
SCIT_DeactivateConfiguration : Executes the Deactivate_Configuration command.
SCIT_StartDataTransfer : Executes the Start_Data_Transfer command.
SCIT_StopDataTransfer : Executes the Stop_Data_Transfer command.
SCIT_AlarmStop : Executes the Alarm_Stop command.
Configuration
SCIT_ControlActiveConfiguration : Is used to affect the active configuration of the Interbus devices. This command can be executed in the PAR_READY state as well as when in the ACTIVE or RUN states. Single, dependent and grouped devices can be activated and deactivated in this way.
Error Diagnosis
SCIT_GetErrorInfo: Returns the error type and error location of an Interbus device after a bus error.
SCIT_ConfDevErrAll: Confirms peripheral errors of all Interbus devices.