Technical data

Table Of Contents
Organization Blocks
System Software for S7-300/400 System and Standard Functions - Volume 1/2
A5E00709327-01
1-9
Local Data for Time-of-Day Interrupt OBs
The following table describes the temporary (TEMP) variables for a time-of-day
interrupt OB. The variable names are the default names of OB10.
Variable Type Description
OB10_EV_CLASS BYTE Event class and identifiers: B#16#11 = interrupt is
active
OB10_STRT_INFO BYTE B#16#11: start request for OB10
(B#16#12: start request for OB11)
:
:
(B#16#18: start request for OB17)
OB10_PRIORITY BYTE Assigned priority class; default 2
OB10_OB_NUMBR BYTE OB number (10 to 17)
OB10_RESERVED_1 BYTE Reserved
OB10_RESERVED_2 BYTE Reserved
OB10_PERIOD_EXE WORD The OB is executed at the specified intervals:
W#16#0000: once
W#16#0201: once every minute
W#16#0401: once hourly
W#16#1001: once daily
W#16#1201: once weekly
W#16#1401: once monthly
W#16#1801: once yearly
W#16#2001: end of month
OB10_RESERVED_3 INT Reserved
OB10_RESERVED_4 INT Reserved
OB10_DATE_TIME DATE_AND_TIME DATE_AND_TIME of day when the OB was called