Technical data

Table Of Contents
IEC Timers and IEC Counters
System Software for S7-300/400 System and Standard Functions - Volume 2/2
25-2
A5E00739858-01
Parameter Declaration Data Type Memory Area Description
IN INPUT BOOL I, Q, M, D, L,
constant
Start input
PT INPUT TIME I, Q, M, D, L,
constant
Duration of the pulse. PT must be
positive. (Note: the range of values is
fixed by the TIME data type)
Q OUTPUT BOOL I, Q, M, D, L Status of the time
ET OUTPUT TIME I, Q, M, D, L Expired time