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Appendix B
Digital input
To implement power management, the digital input interface receives the
specifications of the network operator via a ripple control receiver.
• Germany : The active power limitation in the stages 0%, 30%, 60% and
100%
• Italy : Power output of Max 6KW for PV plant installation.
Remote shutdown
Narrow Frequency limits between 49.5 Hz to 50.5Hz.
• Customer : User defined.
Figure B-1: Pin assignment at ripple control receiver
The inverter gives a voltage to the Output 1, 2 and measure Digital Input 1 to 4.
The inverter can detect the status of the relay of the ripple control receiver. The
information which relay shall be controlled parameter by the network operator.
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