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Functions
9.1
Overview of functions
The table below shows which functions are available for the different POM versions.
Function
Half-wave control
Phase angle control
Defined soft start
(fixed number of half-waves)
Adaptive soft start
Explicit switch-on of heating
Time-delayed startup of the channels
Soft start during heater operation
Channel control over setpoints
Channel control over fields
Line voltage compensation
Power control
Parameter assignment of behavior of
the power outputs
Phase control monitoring
Rotating-field test
Line voltage monitoring
Frequency monitoring
Temperature monitoring
Monitoring power channels
Monitoring power channels with loads
connected in parallel
Total current monitoring
Fault current monitoring
With PM-U/I
1
Only with connection type economy circuit
2
POM4320 as of MLFB -0AA2 is designed for phase angle control
3
SIPLUS HCS4200 PROFINET/PROFIBUS DP
Operating Instructions, 07/2019, A5E35066204A/006
POM4220
POM4220
Lowend,
Midrange
Flexible
phase angle
control
x
x
-
x
-
x
-
-
x
x
x
x
-
-
x
x
x
x
x
x
1
1
-
-
x
x
x
x
-
-
x
x
1
1
x
x
x
x
x
x
-
-
-
-
-
-
9
POM4220
POM4320
Highend
x
x
x
x
x
x
3
x
-
x
x
x
x
x
-
x
x
x
x
x
x
x
-
x
x
x
x
x
x
2
x
x
x
x
x
x
x
x
x
-
x
-
x
-
131
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