Danfoss TripleLynx CN Installation Manual Page 18

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Connecting the inverters
SMA
18 of 268 Solar-Log
1000/500/200
Installation
4.2 SMA
4.2.1 Overview
SMA inverters do not have an integrated RS485 interface.
However, the following RS485 interfaces can be retrofitted to SMA inverters:
Special RS485 piggyback card (by Solare Datensysteme GmbH)
Original SMA RS485 piggyback card (by SMA)
Both piggyback cards can be installed in Sunny Boy inverters (except for
3000/4000/5000TL-20 next generation models) or Sunny Mini Central by SMA.
The SMA RS485 data module is required for the SMA -20 and Tripower inverters.
Special RS485 piggyback card
The special RS485 piggyback card is a simple RS485 interface converter
without controller.
Due to the simple, robust design, any fault response on the part of the inverter
can be excluded.
If installed correctly and the installation instructions are followed, the technical
specifications and properties of the inverter will remain unchanged.
Only to be used with Solar-Log™ devices.
The piggyback card is galvanically isolated and has 6.5 kV insulation protection.
Each piggyback card carries out a full function test on the SMA inverter.
Check the accompanying accessories for completeness:
1 insulating sleeve for the data cable.
1 jumper.
1 screw connection/cable gland WR-PG 16 (M22).
1 flat strip connector for connection to housing/ground.
Piggyback mixed mode
Inverters with special RS485 piggybacks and original SMA piggybacks or data
modules can be used together.
A diagram for wiring in SMA combined mode can be found in the appendix;
Page 263.
SMA Bluetooth mode
The Solar-Log™ BT model is compatible with Bluetooth-enabled SMA invert-
ers. The Solar-Log
500
BT and Solar-Log
1000
BT models allow mixed mode op-
eration (Bluetooth with RS485). Up to 7 SMA inverters can be connected.
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