West Control Solutions KS 42-1 - Manual (Page 46)

8 Timer
8.1 Setting up the timer
8.1.1 Operating modes
6 different timer modes are available to the user. The relevant timer mode can be
set via parameter
SP.Fn in the Conf menu (r page 21).
Mode 1 (—)
After timer start, control is to the adjusted
set-point . The timer (
t.SP) runs as soon as
the process value enters or leaves the band
around the set-point (x =
SP _ b.ti). After
timer elapse, the controller returns to Y2.
End and the set-point are displayed alternate-
ly in the lower display line.
Mode 2 (····)
Mode 2 corresponds to mode 1, except that
control is continued with the relevant
set-point after timer (
t.SP) elapse.
Mode 3 (—)
After timer start, control is to the adjusted
set-point. The timer (
t.SP) starts immediately
after switch-over. After timer elapsing the
controller switches off.
End and the set-point
are displayed alternately in the bottom display
line.
Mode 4 (····)
Mode 4 corresponds to mode 3, except that
control is continued with the relevant
set-point after timer (
t.SP) elapse.
Mode 5 (delay)
The timer starts immediately. The controller
output remains on
Y2. After timer (t.SP)
elapse, control starts with the adjusted
set-point.
Timer
Setting up the timer 46 Operating KS4x-1
Start
1
t.SP
End
2
SP b.ti _ u
u
blinks
run run
blinks
ò
SP
Start t.SP
3
4
End run run
blinks
ò
SP
Start
t.SP
End run
blinks
ò
SP