2-Point Controller (Inverse) - WEST 8800 Operating Manual

4.5.2 2-point controller (inverse)

InP. 1 Ê
Out. 1 Â
ConF / Cntr:
ConF / Out. 1 :
PArA / Cntr:
PArA / SEtP:
g
For direct action, the controller action must be changed
(ConF / Cntr / C. A ct = 1 ).
setpoint
output
8800 process controller
SP. L O
InL. 1
100%
0%
SP. F n = 0
C. F nc = 1
C. A ct = 0
O. A ct = 0
Y. 1 = 1
Pb1 = 1...9999
ti1 = 0,1...9999
td1 = 0,1...9999
t1 = 0,4...9999
SP. L O = -1999...9999 set-point limit low for Weff
SP. H i = -1999...9999 set-point limit high for Weff
53
SP
PB1
set-point controller
2-point controller (PID)
inverse action
(e.g. heating applications)
action Out. 1 direct
control output Y1 active
proportional band 1 (heating)
in units of phys. quantity (e.g. °C)
integral time 1 (heating) in sec.
derivative time 1 (heating) in sec.
min. cycle time 1 (heating)
process value
Configuration level
SP. H i
InH. 1
Configuration examples