Figure 4-4 Energy Saving Mode - Siemens MICROMASTER 430 Operating Instructions Manual

Issue 05/02
4.5.4 Energy Saving Mode
Energy saving mode to switch off the motor when it is in idle mode
Energy
saving
mode
PID
setpoint
PID
feedback
P2392
f*
PID setpoint
f
Restart
P2390 [Hz]
P1080
=
f P2000
Restart
P2390 [Hz]
Figure 4-4
MICROMASTER 430 Operating Instructions
6SE6400-5AE00-0BP0
PID
PID
PID
RF
limit
G
−
P2273
(∆ )
PID
%
PID setpoint
f
f
Motor
PID
active
+
P2390 5%
⋅
100 %
P2390
= ⋅
P2000
100 %
Energy Saving Mode
4 MICROMASTER 430 functions
Motor
control
f
Motor
PID feedback
(Sensor)
∆
PID
t
P2391
x
Energy saving mode
active
P 1 080
= ⋅
t P
x
P1082
f
Restart
= ⋅
t P 1120
y
P1082
Pressure
equalizing
reservoir
Pressu
re
sensor
f(t)
Load
t
t
t
y
PID
active
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