Install Manual

Table Of Contents
4.
LoosenthescrewsofpinsA(+),B(-),andGontheleftoftheRS485terminalblock(RS485-1orRS485-2).
Figure 34: RS485 terminal block
5.
InsertthewireendsintotheG, AandBpinsshownabove.UseFour-orsix-wiretwistedpaircablefor
thisconnection.
YoucanuseanycolorwireforeachoftheA,BandGconnections,aslongas:
l ThesamecolorwireisusedforallApinsthesamecolorforallBpinsandthesamecolorforallG
pins
l ThewireforGisnotfromthesametwistedpairasAorB.
6.
ForcreatinganRS485bus-connectallB,AandGpinsinallinverters.Thefollowingfigureshowsthis
connectionschema:
Figure 35: Connecting the inverters in a chain
NOTE
Do not cross-connect B, A and G wires.
7. Tightentheterminalblockscrews.
8. Checkthatthewiresarefullyinsertedandcannotbepulledouteasily.
9.
PushtheRS485terminalblockfirmlyallthewayintotheconnectorontherightsideofthe
communicationboard.
-Three Phase System Installation Guide MAN-01-00527-1.1
58
Creating an RS485 Bus Connection