49
Appendix B
Digital Input
To implementation of 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.
a. Remote shutdown
b. 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 Digital Input 5 & 6, and measures Digital Input 1
to 4. The inverter can detect the state of the relay of the ripple control receiver.
The information which relay shall be controlled parameter by the network
operator.
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