PMA 407 Mode D'emploi page 14

Self-tuning for automatic determination of the control parameters (adaption)
+
+ ti td
Adaption start:
I
• •
• •
Cancellation of adaption:
M
+
Immediate cont. inverse
cancelled
cont. direct
Cancellation after
output of the
output step
Canc. after approx. 1 h
Corr.variable step is
not output
*
Ä Loc
i
i
AdF process value too high
AdF process value too low
wrong action
AdF difference X i W too
low
X does not react
AdF
difference X i W is not
AdAi X
sufficient
X continuously unstable
InH InL
SPH SPL
0 Loc 0
?
?
AdA
M
increase set-point
reduce set-point
re-configure controller (inverse i direct)
reduce control range* X
different transducer type
check sensor, connections and process
reduce set-point range* W
check process (disturbance, output)
M
AdA
or select
h
h