Burkert Type 1110 - Handbuch (Seite 16)

14 - 1110
DIGITAL INDUSTRIAL CONTROLLER
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Figure 4: Overall structure of the Digital Industrial Regulator
Refer to Page 122 ff for a description of the function blocks
Filter 1
Input 1
PV1
1 2 3
Linearisation
4
Ramp
5
SP1
6
Setpoint
limiting
Multiplier
27
SP
7
9
Alarm rel.
Arel
28
Alarm ratio
Averh
8
Alarm abs.
Aabs
13
Controller 2
COs
14
Line of action
CO
10
Manipulated
variable limiting
11 12
22
SP2
Controller 1
CO2
20 29 21
Filter 2 Root extraction Scaling
23 24 25
Input 2
PV2
ext.SP ratio
cascade
Feed forward off
26
Feed forward
control
PDT1
15
16
17
18
19
RA
CO1
PV1
Root extraction Scaling
Line of action
Manipulated
variable limiting
Continuous
signal
Controller
output
2-point-
PWM signal
3-point-
PWM signal
3-point-
step signal
3-point-step
signal with
ext. p. a.