79
Typ EP 501
Start-Up
23.3.4.
TN
– Reset time of the process controller
The reset time specifies the I-contribution of the PID controller
(can be set with the aid of the
P.TUNE
function).
Factory setting: 999.9 s
Operating structure:
EXIT
Input value
ENTER
INPUT
OK
ESC
PID.PARAMETER
TN 999.9
FILTER 0
DBND 1.0 %
Adjustment range: 0.5 ... 999.9 s
Figure 36:
Operating structure TN; reset time
23.3.5.
TV
– Hold-back time of the process controller
The hold-back time specifies the D-contribution of the PID controller
(can be set with the aid of the
P.TUNE
function).
Factory setting: 0.0 s
Operating structure:
EXIT
Input value
ENTER
INPUT
OK
ESC
PID.PARAMETER
TV 0.0
FILTER 0
DBND 1.0 %
Adjustment range: 0 ... 999.9 s
Figure 37:
Operating structure TV; hold-back time
23.3.6.
X0
– Operating point of the process controller
The operating point corresponds to the size of the proportional portion when control difference = 0.
Factory setting: 0.0 %
Operating structure:
EXIT
Input value
ENTER
INPUT
OK
ESC
PID.PARAMETER
X0 0.0 %
FILTER 0
DBND 1.0 %
Adjustment range: 0 ... 100 %
Figure 38:
Operating structure X0; operating point
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