Output Description

DONE

Data_Type	Default_Value	Range	Unit
BOOL	-	-	-

Output indicates the processing state of the function block. After completion or abortion of processing (due to an error), DONE is set to TRUE for one cycle. This output always has to be considered together with output ERR. If ERR is TRUE, an error occurred. In this case, the error number can be read at output ERNO.

ERR (error)

Data_Type	Default_Value	Range	Unit
BOOL	-	-	-

Output indicates, whether an error occurred during control processing. In case of error, the error number can be read at output ERNO.

ERNO (error number)

Data_Type	Default_Value	Range	Unit
WORD	0	³ 0	-

Output provides an error identifier if an invalid value was applied to an input. ERNO always has to be considered together with the output ERR. The value output at ERNO is only valid if ERR is TRUE.

NUM_ACT_SLV (number \ of active \ slaves)

Data_Type	Default_Value	Range	Unit
DWORD	0	0-256	-

The variable NUM_ACT_SLV contains the number of active slaves. Active slaves exchange cyclic data with the master.

NUM_CONF_SLV (number \ of configured \ slaves)

Data_Type	Default_Value	Range	Unit
DWORD	0	0-256	-

NUM_CONF_SLV contains the number of configured slaves evaluated in the configuration file.