BOOL (bit field not permitted), BYTE, CHAR, WORD, INT, DWORD, DINT, REAL, DATE,TOD, TIME, S5TIME, DATE_AND_TIMEThe return value contains an error code if an error is detected when the function is beingprocessed.Value Description0000h No error has occurred.0001h n The associated value exceeds the maximum length, orn application memory cannot be accessed (e.g. access to deleted DB). The message will be trans-ferred.n The associated value points to the local data area.0002h Warning: the last unused message acknowledgment memory has been allocated.8081h The specified EV_ID lies outside of the valid range.8082h Message loss because your CPU suffers from a lack of resources that are required to generate modulerelated messages by means of SFCs.8083h Message loss because a signal of the same type is already available but could not be sent (signal over-flow).8084h The triggering signal SIG for messages has the same value for the current and for the preceding SFC17 / SFC 18 call.8085h The specified EV_ID has not been registered.8086h An SFC call for the specified EV_ID is already being processed with a lower priority class.8087h The value of the message triggering signal was 0 during the first call to the SFC 17, SFC 18.8088h The specified EV_ID has already been used by another type of SFC that is currently (still) occupyingmemory space.8xyyh General error informationÄ Chap. 4.2 ‘General and Specific Error Information RET_VAL’ page 6614.1.15 SFC 19 - ALARM_SC - Acknowledgement state last AlarmThe SFC 19 ALARM_SC can be used to:n determine the acknowledgement status of the last SFC 17-entering-state messageand the status of the message triggering signal during the last SFC 17 ALARM_SQcalln the status of the message triggering signal during the last SFC 18 ALARM_S call.The predefined message number identifies the message and/or the signal.The SFC 19 accesses temporary memory that was allocated to the SFC 17 or SFC 18.RET_VAL (Return value)DescriptionParametersVIPA SPEED7 Integrated StandardSystem Functions > SFC 19 - ALARM_SC - Acknowledgement state last AlarmHB00 | OPL_SP7 | Operation list | en | 18-30 663
