Install Manual

Appendix B: Installing Two Meters
Thissectiondescribesconnectinganexternalmetertoaninverterequippedwithabuilt-inRevenue
GradeMeter(RGM),whichislocatedintheSafetySwitch.RS485wiringisdaisy-chainedbetweenthetwo
metersandtheinverter.
Connecting Two Meters
1.
ConnecttheexternalmetertotheRGMasshowninFigure 17:
a. RoutetheexternalmeterwiresthroughoneoftheSafetySwitchconduits(itisrecommendedto
usetheDCsideconduits).
b.
ConnecttheexternalmeterwirestogetherwiththeRGMwirestothesamescrewterminalsof
theRGMRS485terminalblock:
l RemovetheRGMwiresfromtheterminals(notethewirecolorandlocation).
l Twistthewirestogetherandinsertthemintotheterminal.
l Securelytightentheterminalscrews.
Figure 17: Meters connection to an RGM inverter
2. TerminatetheSolarEdgedeviceasdescribedinInstalling and Connecting the Meteronpage7.
Configuring Dual-meter Connection
Thebuilt-inRGMispre-configuredasaproductionmeteranditssettingsshouldnotbechanged.Verify
thepre-configuredparametersoftheRGMandconfiguretheparametersoftheexternalmeteras
describedbelow.
1.
EnterSetupmode,scrolltotheCommunicationmenuandselectCommunication è RS485-x Conf.
Thefollowingscreenisdisplayed:
D e v i c e T y p e < S E >
P r o t o c o l < M >
D e v i c e I D < 1 >
S l a v e D e t e c t < # >
S l a v e L i s t < # >
Appendix B: Installing Two Meters
SolarEdge-SolarEdge Electricity Meter Installation Guide MAN-01-00270-1.0
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