
Description of the DP Functions, Data, and Error Codes
DP Base Programming Interface for CP 5613/CP 5614
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Element Description
event
On completion of the job, the event array contains an element
for every slave address with the events involving the specific
slave.
event[5]
, for example, contains information about
slave 5.
The following event IDs can be returned per slave address, and
if required, several can be “ORed".
0 no event
DP_DIAG diagnostic information arrived.
DP_ALARM_STATUS alarm or status data was
buffered and must be read out
with DP_read_alarm.
DP_SLAVE_ENTER the slave was included in
processing.
DP_SLAVE_EXIT the slave has dropped out of
processing.
mst_event
The mst_event element contains the DP_MST_STATE_CHG
identifier, if the value DP_MST_STATE is entered in selector
and the master state has changed compared with the value in
mst_state; otherwise the value 0.
new_mst_state new_mst_state contains the current master state.
Return Value
Name Description
DP_OK_ASYNC
Execution of the function was activated
successfully.
otherwise if error-> error_code ==
DP_RET_REQ_ACTIV
There is still a DP_enable_event request
active (delete with DP_disable_event).
other Unsuccessful completion of the function
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