WEG CFW900 - 4.4 DATE AND TIME SETTING; 4.5 MAIN SCREEN SETTING

English
INSTALLATIONANDCONNECTION
1.ChecktheconsumptionoftheaccessoriesthatwillbeinstalledineachbackplaneslotthroughTable7.2;
2.AddtheconsumptionofeachaccessorytobeconnectedtoslotsAtoGusingtheequation:
I
ACC
= I
ACC,A
+ I
ACC,B
+ I
ACC,C
+ I
ACC,D
+ I
ACC,E
+ I
ACC,F
+ I
ACC,G
,toobtainthetotalconsumption
oftheaccessories;
3.CalculateI
OU T
,whichisthetotalconsumptionofthecircuitstobeconnectedtoVOUT.Evenwithan
externalpowersupply, amaximumof0.8AcanbedrawnfromVOUTwithouttrippingtheinternal
overcurrentprotection;
4.Sizetheminimumcurrentcapacityoftheexternalpowersupplyusingtheequation:I
F E
= 0,5A+ I
ACC
+
I
OU T
;
5.Useanexternal24Vdc± 10%powersupplywithacurrentcapacityofatleastI
F E
.Theexternalpower
supplymustbeconnectedtotheterminalsVINandGNDof
XC1;
6.Checkiftheinternalpowersupplyisalsoabletofeedthenecessarycurrenttotheaccessoriesandloads
connectedtoVOUT,i.e.,I
OU T
+I
ACC
≤ 0,8A.Ifnot,ensurethattheexternalpowersupplywillbeenergized
beforeortogetherwiththeinverterpower-up,andthattheinverterwillbede-energizedbeforetheexternal
powersupply.
Table3.17:ExamplesofhowtochecktheconsumptionoftheexternalpowersupplyandcurrentavailableinVOUT
Ex.
Accessory
(2)
SLOTASLOTBSLOTCSLOTDSLOTESLOTFSLOTGI
ACC
I
OU T
I
F E
1
Model
REL-01
0.05A0.1A0.65A
Consumption
0.05A
2
(1)
Model
REL-01TEMP-01CCAN-WENC-01
0.30A0.80A1.60A
Consumption
0.05A0.05A0.00A0.20A
3
Model
REL-01TEMP-01CCAN-WENC-01IOAI-01IOD-01IOD-01
0.40A0.40A1.30A
Consumption
0.05A0.05A0.00A0.20A0.10A0.00A0.00A
4
(1)
Model
REL-01TEMP-01ENC-01ENC-01IOAI-01IOAI-01IOAI-01
0.80A0.10A1.40A
Consumption
0.05A0.05A0.20A0.20A0.10A0.10A0.10A
5
(1)
Model
ENC-01ENC-01IOAI-01IOAI-01IOAI-01IOAI-01IOAI-01
0.90A0.50A1.90A
Consumption
0.20A0.20A0.10A0.10A0.10A0.10A0.10A
(1)
Intheseexamples,thecapacityoftheinternalpowersupplyhasbeenexceeded,andcaremustbetakentoensurethattheexternalpower
supplyisenergizedbeforetheinverter.
(2)
Prefix“CFW900”hasbeenomitted.
44|CFW900