Solare Datensysteme Solar-Log - Manual (Page 226)

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Appendix
32�4 Connection examples for ripple control receivers
Grid operators have not agreed on a universal standard for ripple control receiver signals. As result, there
are several variations with the respective wiring and configuration in the Solar-Log™ firmware.
All of the examples refer to active power reduction. When ripple control receivers are used for reactive
power, they are configured in the same way.
Note
The following connection examples are require-
ments from different grid operators. The labels for
the relays in the wiring diagram and in the So-
lar-Log™'s configuration matrix can differ.

WARNING
Please note the specifications for the load of the
ripple control receiver's relays. In certain circum-
stances, the relays have to be connected to inter-
mediate relays.
In any case, the inputs D_IN_X have to be supplied
with the control voltage (5V DC) from the So-
lar-Log™ (PM+ interface Pin 1 and 6).
WARNING
When connecting two ripple control receivers: If
the ripple control receiver uses binary signal cod-
ing, signal feedback via the ripple control receiver
for the reactive power must be prevented by fitting
diodes.
WARNING
Emergency stop commands may not be
processed via the Solar-Log™ These commands
have to function directly with the corresponding
protection equipment such as grid and plant pro-
tection, section switches and Q/U protection.