2 tolerance band 47, 3 timer start 47, Timer start 47 – West Control Solutions KS 42-1 User Manual
Page 47: Tolerance band 47, Timer

Mode 6
After set-point switch-over (
SPr SP.2),
control is to
SP.2. The timer (t.SP) starts
when the process value enters the adjusted
band around the set-point (x =
SP.2 _ b.ti).
After time elapse the controller returns to
SP.
End and the set-point are displayed alternate-
ly in the lower display line.
8.1.2 Tolerance band
Timer modes 1,2 and 6 are provided with a freely adjustable tolerance band. The
tolerance band around the set-point can be adjusted via parameter
b.ti in the
Conf menu (x = SP.2 _ b.ti )
(r page 21).
8.1.3 Timer start
Various procedures for starting the timer are possible:
Timer
Operating KS4x-1
47
Setting up the timer
Start via
LOGI
Mode
Y2
=
SP.2
=
1
2
3
4
5
6
Y / Y2 switch-over via digital
input
1
di1
2
x
d d d d d -
di2
3
x
d d d d d -
di3
4
x
d d d d d -
SP / SP.2 switch-over via
digital input
1
di1
x
2
-
-
-
-
-
d
di2
x
3
-
-
-
-
-
d
di3
x
4
-
-
-
-
-
d
Pressing key Ò
6
x
d d d d d -
Power On
0
x
d d d d d -
x
0
-
-
-
-
-
d
Changing
t.ti (extended operating
level)
x
x
d d d d d d
Serial interface (if provided)
x
x
d d d d d d
1
when using a digital input, adjust parameter
di.Fn = 2 ( ConF/ LOGI)
( key function)
x no effect
Start
t.SP
SP
SP
blinks
u
u
SP.2 b.ti
_
End
run
run
SP.2