4 3-point stepping controller (relay & relay) 40, Point stepping controller 40, Pb1 sh – West Control Solutions KS 45 User Manual
Page 40

7.2.4
3-point stepping controller (relay & relay)
ConF / Cntr: SP.Fn
=
0
setpoint controller
C.Fnc
=
4
3-point stepping controller
C.Act
=
0
inverse action (e.g. heating applications)
ConF / Out.1: O.Act
=
0
action
Out.1 direct
Y.1
=
1
control output Y1 active
Y.2
=
0
control output Y2 not active
ConF / Out.2: O.Act
=
0
action
Out.2 direct
Y.1
=
0
control output Y1 not active
Y.2
=
1
control output Y2 active
PArA / Cntr: Pb1
=
0,1...9999
proportional band 1 (heating)
in units of phys. quantity (e.g. °C)
ti1
=
1...9999
integral time 1 (heating) in sec.
td1
=
1...9999
derivative time 1 (heating) in sec.
t1
=
0,4...9999
min. cycle time 1 (heating)
SH
=
0...9999
neutral zone in units of phy. quantity
tP
=
0,1...9999
min. pulse length in sec.
tt
=
3...9999
actuator travel time in sec.
PArA / SEtP: SP.LO
=
-1999...9999
setpoint limit low for SPeff
SP.Hi
=
-1999...9999
setpoint limit high for SPeff
g
For direct action of the 3-point stepping controller, the controller output action must be changed
(
ConF / Cntr / C.Act = 1 ).
Controlling
Configuration examples
40
KS 45
InH.1
InL.1
SP.LO
SP
SP.Hi
Out.1Â
InP.1Ê
Out.2Â
100%
0%
100%
0%
PB1
SH
setpoint
output 1
process value
output 2