APC Smart-UPS VT - Overview of Pin Connections; J106

OverviewofPinConnections
J108pinconnections:
1:NormallyopenEPO
2:NormallyopenEPOreturn
3:NormallyclosedEPO
4:NormalyclosedEPOreturn
5:+24VSELVsupply
6:SELVground
J106pinconnections:
8:Ext.chargingcontrolreturn
7:Externalcontrolofcharging
6:Q3activereturn
5:Q3active
4:Batterymeasurementsupply*
3:Batteryunitquantity*
2:Max.batterytemperature*
1:Batterymeasurementreturn*
*ShouldbeusedwithAPCXRBatteryEnclosures
J106
Pins1to4areforbatterymeasurement(onlyapplicabletoMGEGalaxy3500XRBatteryEnclosures).
Pins5and6areforexternalmaintenancebypassQ3(auxiliaryswitchN/Ctype).WhenQ3isclosed,
signalsarefedbacktotheUPScontroller.
Pins7and8areforexternalchargecontrol.When7and8areclosed,theUPSchargesbatterieswitha
pre-denedpercentage(0–25–50–75–100%)ofthemaximumchargingpower.Tobeusedingenerator
applications,orifspecialcodesrequirecontrolofcharging.WhenQ3isclosed,signalsarefedback
totheUPScontroller.
990–1598E-001
Smart-UPS™VT10–30kV A208/220VSingleandParallelInstallation
33