Technical data

Table Of Contents
SFCs for Handling Time-of-Day Interrupts
System Software for S7-300/400 System and Standard Functions - Volume 1/2
A5E00709327-01
9-5
9.4 Canceling a Time-of-Day Interrupt with SFC 29
"CAN_TINT"
Description
With SFC 29 "CAN_TINT" (cancel time-of-day interrupt), you cancel an activated
time-of-day organization block
Parameter Declaration Data Type Memory Area Description
OB_NR INPUT INT I, Q, M, D, L,
constant
Number of the OB, in which the start date
and time will be canceled (OB 10 to OB 17).
RET_VAL OUTPUT INT I, Q, M, D, L If an error occurs while the function is
active, the actual parameter of RET_VAL
contains an error code.
Error Information
Error Code (W#16#...) Explanation
0000 No error occurred.
8090 Incorrect parameter OB_NR
80A0 No start date/time specified for the time-of-day interrupt OB
8xyy General error information, see Evaluating Errors with Output
Parameter RET_VAL