6 Special device functions
72 2011-07-01/00561073 [SCR Power Controller TYA202]
The two controllers switch on at an offset time. The energy output is symmetri-
cal on each side of the broken line (see arrows). Overlapping of the two device
currents in one phase is avoided as long as the sum of the output level of the
two devices is lower than 100%. The next current level is only started in the
network if the sum of the output level exceeds 100%.
If a power controller performs a restart when the configuration level
has been exited, it no longer operates in synchronization with the
others.
All master/slave controllers have to be switched on again simulta-
neously via a common main switch!
t
t
Device 1
Output level 20%
Device
Output level
2
60%
250 ms 500 ms 750 ms 1 s0ms
I
1 Device1
t
I
1
Sum of all
currentsMains
I
21Device
I
31
Device
I
1 Device2
I
2 Device2
I
3 Device2
I
2
I
3
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