Sun2000-8Ktl : Communication Cable - Circutor CDP Series Application Notes

Connection and configuration with huawei inverters
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3.2.- SUN2000-8kTL : COMMUNICATION CABLE

List of communication cable terminals between the CDP and the inverter:
Table 3: Relación de bornes del cable de comunicaciones.
CDP
Conector comunicaciones
del canal R2
Terminal
Descripción
1
3
The cable must be connected according to the following diagrams. The
communications cable must be connected to the inverter's "IN" terminal. In the
event of several inverters, their communications cable must be connected from
the first inverter's "OUT" terminal to the next inverter's "IN" terminal, as shown in
Figure 2 , and successively until reaching the last inverter, whose bus terminal
resistance ("Match Resistance") must be set as activated.
Figure 1: Connection between a CDP and single inverter.
Figure 2: Connection between a CDP and several inverters.
The communications cable between inverters is a pin-to- pin cable with RJ45
connectors at both ends. This type of cable can be purchased at any computer
8
Terminal
TxD+
1
TxD-
2
CDP
INVERSOR
Conector OUT (RJ45)
Descripción
RS485A, RS485 differential signal +
RS485B, RS485 differential signal -
Application notes

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