Baumuller b maXX 5000 - Signal Processing of Set Values; Volume Set Values and Pressure Set Values Via Field Bus; Volume Set Values and Pressure Set Values Via Analogue Inputs; Set Values Via Field Bus

Signal processing of set values
Application handbook Servo pump function V1 for BM5000
Document No.: 5.17002.02 Baumüller Nürnberg GmbH
12
of 76
2.2
2.2 Signal processing of set values
2.2.1 Volume set values and pressure set values via field bus
Pressure
set value
P177.120
Qset
filtered
P177.35
Scaling
Pset
mBar
P177.020
P177.6
P177.7
Bar
Volt
Sca
l
in
g
P
se
t
m
B
a
r
P177.
0
2
0
P177.
6
P
1
77
.7
Bar
Volt
P 177.020 in mBar
Qset
ml/min
P177.042
P177.8 [ccm / U]
1
Q
set
ml
/
min
P177.
0
4
2
P177.8
[
ccm
/
U
]
1
P 177.042 in ml/min
Field bus
Field bus
Interface
overlaid control
Pmax = P177.6 =100%
Ramp down time
pressure set
P177.207
ms
Ramp up time
pressure set
P177.206
ms
Pressure set
value
Volume set
value
Scaling
Figure 5: Set values via field bus
2.2.2 Volume set values and pressure set values via analogue inputs
Offset
Sca-
ling
Offse
t
Sca
-
l
ing
Add-on module SVP analog input 2
P176.64
P176.65 P176.63
Offset
Scal-
ing
Qset
filtered
P177.35
Offse
t
Sca
l
-
i
n
g
Add-on module SVP analog input 1
P176.61
P176.62
P176.60
Qset
filtered
P177.134
Pressure set
value
Interface
overlaid control
Volume set
value
0-10 V
or
0/4-20
mA
0-10 V
or
0/4-20
mA
Pressure
set value
Pmax = P177.6 =100%
Ramp down time
pressure set
P177.207
ms
Ramp up time
pressure set
P177.206
ms
Figure 6: Set values via analog inputs