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1、口 Acre，112112安科瑞电气PZ Series programmable intelligent metersThree phase electrical(E3/E4)Installation and Operation Instruction V2.2ACRELCo., Ltd.5.2.2 Liquid crystal (LCD) display: E3/E4 electric parameters checking flow chart5.3Programming menu5.3.1 Meter general programming menuLevel 1 menuLevel 2
2、 menuLevel 3 menuExplanationSySdiSP1-6Starting display menu selectionCodE0001 -9999Password setting(initial password 0001)Clr.EPress Enter key, electric energy zero clearingCLr. dPress Enter key, clear demand recordEP. EqE1/E2Primary(EI) or secondary(E2) energy display optionPLUSConstant of Energy p
3、lusInLinE3P3L 、 3P4LInput network (3-phase-3-wire, 3-phase-4-wire)In.U100、400Input voltage rangeIn.I1、5Input current rangeIn.Pt1 -9999Input voltage transformation ratioIn.Ct1 -9999Input current transformation ratiobuSAddr1-247communication addressbAUd4800、 960019200、 38400communication baud rateModE
4、None/2bit/odd/evenCommunication data modetr. 1 -tr 4001-026101-1260-9999Fourth channel transmitting(analog output)5.3.2 Added LCD display meter back light control menuLevel 1 menuLevel 2 menuLevel 3 menuExplanationSySb.Lcd0-255Setting as 0, backlight lights； Setting as 1 255, after 1 255 sec. backli
5、ght is extinguished.5.3.3 Added menu with switching outputPZ meter *s switching output adopt relay output, there are two controlling modes for relay：1 .electrical level mode (relay NO or NC);2.pulse mode(after closing specified time, the relay is breaking, the closing specified time is controlled by
6、 PL.do)Programming ExampleProgramming Example take flow chart form to introduce changing some items in the Programming menu ,such as current transformation ratio, transmitting setting etc.Note: After setting or selecting: press Enter key to affirm confirm ,after affirming completion, continuously pr
7、ess SET KEY until SAVE/YES page appearing ,press Enter key to affirm .otherwise, the setting is invalidationInrrInrrFtotectivepress the left/rint key for input Ftoteciive password5.4.1 How to entry into Programming menu.Aad canUniversal passvcrcl 00085.4.2 How to revise current transformation ratioA
8、fter entry into Programming menu, as per following flow chart, to entry into current transformation ratio setting menu.press the key for reisicnInL f aEInlaCbNote: The voltage transformation ratio (In.Pt) setting is similar. Other parameters in this menu need not revision usually。5.4.3 How to revise
9、 communication parameterspresspresspress the Biertoaffirmbus b R U d5fono HyHono Loonro LosHow to revise transmitting settingSimulate transmitting output can be done by isolating two of 26 electric parameters commonly appearing in grid(Ua, Ub、Uc、Uab、Ube、Uca. la, lb, Ic, Pa, Pb, Pc、P total, Qa、Qb, Qc
10、,. Qtotal. PFa. PFb、PFc、PF、Sa、Sb, Sc, S total. F) and transmitting output of DC signal of 020mAor4 20.Explanation:5EL00010203040506070809101112UAUBUCUABUBCUCAIAIBTCPAPBPCP总13141516171819202122232425QAQBQCQ总SASBSCS总PFAPFBPFCPFF420mA or 020mA output typeR0,H120mA output is corresponding with electric
11、parameter display value:if input is 220V, 100A/5A,3-phase 4-wire,then 100% P total is 220Vx100Ax3=66kW, display value is 66.00kW, and this value take 66.00. For 3-phase 3-wire,then 220Vx100Ax=38.10kW,take 38.10; analog output setting of other electric parameters is similar;f?O.L O4mA(0mA)output corr
12、esponding with parameter display valueHow to save setting parametersAfter revising the specified parameters, press the Enter key to affirm, then press SET key to return, until the right interface is appearing; at this interface press the Enter key to save, press the SET KEY to quit5.5 Programming fl
13、ow chart( basic function, excluding the additional functions, refer to 5.4 programming exampleijj ijj .lpue既芭-8鎏团-1K费蚕兽,rBS3 一售press /SETkey,U press HMI 1=1号 /SETkeypress BMlR p/Sbl key /SETk UB、UCVal_s = (Val_t /10000 ) * (10ADPT)VCurrent value IA IB ICVal_s = ( Val_t/10000 ) * ( 10ADCT)Avalue PA P
14、B、PC、P 总、QA、QB、QC、Q总Val_s = (Val_t /10000 )*(10ADPQ )W、varPower factor valuePFA、PFB、PFC、PFSVaLs = VaLt/1 000NONDIMENSIONALFrequency FRVal_s = Val_t /100HzSecondary side valueVal_s = Val_tWh varhElectric energy primary side measuring value adopts the floating point variable data mode. It use Symbol b
15、it to indicate symbol of number, use biased exponent and mantissa to indicate size of number. The data format of meter is IEEE754 data format with 24 bit precision, the high bit of mantissa is always Non-Save, distribution of bits is shown as following ：1 bit= symbol bit,8 bit= exponent bit,23 bit=
16、mantissa, the symbol bit is the highest bit, the mantissa is the lowest 23 bit.The actual example is shown below：Reading number： 0 10001110 100 1011 1010 1100 0000 0000bSymbol bit S=Oi (T = negative, 0H = positive)； Computing exponent E=10001110, changing into decimal number 142;Computing mantissa M
17、=100 1011 1010 1100 0000 0000, changing into decimal number 4959232o Computing formulaprimary side electric power consumption(-1)S X 2(-27)xfl + )023Calculated result:-if X 2142 - 127)Ji工 4959232X JL i 223 J=52140Wh=52140Wh6.5.2Write (data)For this series, using 10H command of Modbus-RTU communication p