5 F
unctions
27
Symbol
Notes
C120
C120=1
Time-limited control: The control is switched off after the timer has run down (output 0%)
C120=2
Time-dependent setpoint switching: After the start of the timer function, the process is con-
trolled to setpoint
SP2
. After the timer has run down, the controller automatically switches over
to
SP1
.
C121=3, 4, 7 or 8
C121=1, 2, 5 or 6
Diagrams with and
without start above
tolerance limit.
---- Tolerance limit
C121=2 or 6
C121=1 or 5
C121=3, 4, 7 or 8
b70.2040en.bk Seite 27 Mittwoch, 19. November 2008 10:15 10