Pump Pressure Control - Siemens G120P Manual

Variable speed drive
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Application examples
4

Pump pressure control

Parameter
Value
p3881
1
p20046[0]
r722.0
p20046[1]
r1025.0
p20048
1
p20218[0]
100%
p20218[1]
0
p20219
r1025.0
p20221
5
4.2
Macro 103 "Pump pressure control"
Differential pressure regulated by integrated PID
controller
Flying restart and automatic restart activated
Error message: Digital output 0
Status display: Digital output 2
When selecting this application using macro 103, the
technological unit remains unchanged at [%]. If
necessary, adapt the unit as described in the parameter
list. Select the values depending on the used sensor.
Parameter
Value
p596
4
p0010
5
p595
3
p0010
0
p756[0]
0
p0840
r722.0
p1200[0]
1
p1210
26
p2200[0]
1
p2201[0]
2 bar
p2253[0]
p2201
p2257
30 s
p2258
30 s
p2264[0]
r755[0]
p2265
10 s
p2267
4.2 bar
p2268
-1 bar
38
Siemens AG
Description
ESM setpoint source: Fixed setpoint 15 (p1015)
OR input I0
OR input I1
OR runtime group
NSW input X0
NSW input X1
NSW switch position I
NSW runtime group
Pump pressure control
Pressure
sensor 0-10V,
e.g. QBE64-
DP4
Description
Reference variable of the technological unit
Parameter filter change, technological unit
Selection of technological unit: bar
Parameter filter ready
Unipolar voltage input (0...10 V)
ON / OFF (OFF1)
Flying restart always active (start in setpoint direction)
Acknowledging all faults and restarting for an ON command
Technology controller enable
Technology controller fixed value 1
Set the pressure setpoint to suit the application. This example uses a 0...4 bar sensor (e.g.
QBE64).
Technology controller setpoint 1
Technology controller setpoint ramp-up time
Technology controller setpoint ramp-down time
Technology controller actual value
Technology controller actual value filter time constant
Technology controller upper limit actual value
Technology controller lower limit actual value
9
P24V
ON / OFF
5
DI0
28
GND
69
DI COM
2
GND
4
DO0
AI0-
0 - 10 V
3
AI0+
DO1
14
PTC A
15
PTC B
DO2
12
Speed
AO0+
(0..20mA)
13
AO0-
26
Output current
AO1+
27
(0..20mA)
AO1-
20
19
Fault
18
22
Alarm
21
25
24
Operation
23
Optional
CM2G5111en
2014-05-16

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