2015-03-04 tlkt rf-ext

TNG CNG TY IN LC MIN TRUNG

CNG TY CNG NGH THNG TIN

IN LC MIN TRUNG

TI LIU K THUT

B C CH S CNG T QUA SNG

V TUYN RF-EXT

Nng, thng 03 nm 2015

TLKT.EXTa Trang 2/16

Ti liu k thut B c ch s cng t qua sng v tuyn RF-EXT

MC LC 1. Gii thiu chung ............................................................................................ 3 2. Thng s k thut .......................................................................................... 3 3. Hng dn lp t ........................................................................................ 5 4. Cc ng dng trong h thng c t ng t xa ....................................... 13

4.1 c ch s cng t t xa bng sng v tuyn RF bng thit b cm tay HandHeld Unit (HHU) ...................................................................................... 13

4.1.1 Gii thiu h thng ............................................................................ 13 4.1.2 M t h thng .................................................................................. 14

4.2 H thng RF-SPIDER ................................................................................. 15 4.2.1 Gii thiu h thng ............................................................................ 15 4.2.2 M t h thng .................................................................................. 15 4.2.3 Tnh nng ni bt ............................................................................... 16



1. Gii thiu chung

B c ch s cng t qua sng v tuyn RF-EXT l thit b gn ngoi da

trn vic o m xung kim nh ca cng t khng h tr RF v thu pht d liu qua sng v tuyn n thit b cm tay HHU. C th s dng cho nhiu chng loi cng t khng h tr RF khc nhau.

Cc chc nng ca b c ch s bao gm: o m tn hiu xung a ra t chn xung kim ca cng t ngoi v qui

i ra nng lng tng ng vi hng s xung cng t.

o H tr chc nng lu tr ch s cng t ngoi khi mt in. o Thu pht RF. o Cho php lp trnh ch s, s serial cng t ngoi thng qua UART.

2. Thng s k thut in p lm vic: 145V n 265V in p danh nh (Un) : 220V Tn s lm vic: 50 Hz 2% Cng sut tiu th:



Tc o m xung: 400 2000 xung/kWh

chnh xc: 0,01kWh

m lu tr v lm vic: 95% (khng ngng t)

Di nhit lm vic: -10C 70C Di nhit lu tr: -10C 80C Hin th: 2 LED ch th (Power, Xung cng t)

Truyn thng:

+ Giao tip RF: Tn s 408.925 MHz. Module RF c t ln mt trn ca PCB. Cng sut tiu th ca bo RF < 10mW, bng thng 3x12.5 kHz, tc truyn d liu 4800bps.

+ Cng UART: o Np d liu ban u cho ng vi ch s

cng t ngoi. Tc 9600 bps.

o UART khng cch ly.

Phn mm:

+ Phn mm truyn thng vi b c ch s c cung cp min ph theo n t hng.

+ Chng trnh c th xut s liu c ch s cng t ngoi thnh file nh dng chun.

Kh nng m rng:

+ Tng cng sut thu pht ca module RF. Tch hp vo h thng RF-SPIDER cho php thu thp ch s t ng.

+ Kt ni vi c s d liu ca h thng CMIS, h thng MDMS phc v cho cng tc kinh doanh in nng.



3. Hng dn lp t Hng dn u dy:



V tr lp t:

Thao tc cu hnh b RF-EXT bng Handheld:

Yu cu bt buc: - Ch c cu hnh duy nht 01 ln! Nu cu hnh sai, mang thit b v

ngi c chc nng thc hin cu hnh li. - Thc hin chun ha s SERIAL cng t, m ct trn h thng CMIS trc

khi xut file



Bc 1: Tch file *.xml t h thng CMIS Bc 2: Copy file vo Handheld Unit Bc 3: Thc hin cu hnh RF-EXT bng chng trnh RFEXT trn

Handheld M chng trnh RFEXT trn Handheld :

Nhn vo nt chn file *.xml xut t CMIS copy vo Handheld Bc 2



Chn ng dn n file xml v nhn OK m file

Sau khi m file, thng tin s lng khch hng, s lng b RF-EXT lp trnh c hin th ti ca s chnh ca chng trnh.

Nu nh thng tin ng file xml ca Quyn GCS cn thao tc th nhn ng thc hin bc tip theo



Ton b thng tin khch hng s c nhm li theo tng tr: Ct MA_COT : tn tr trong quyn GCS c chun ha theo yu cu. Ct SLKH : Tng s khch hng ti tr tng ng Ct SL_RFEXT: Tng s b RF-EXT cu hnh ti tr tng ng. Chn m ct cn thc hin cu hnh, nhn ng thc hin bc

tip theo Chn Lm mi ly s liu mi nht

Sau khi chn ct, ton b thng tin khch hng c hin th ti ca s

chnh ca chng trnh NHN P vo s serial cng t khch hng thc hin cu hnh b

RF-EXT c lp km vi cng t .



Ca s cu hnh RF-EXT c m ra, pha trn cng l thng tin khch hng cn thc hin, tip theo l s Serial ca cng t.

Ch kim tra k thng tin khch hng trc khi thc hin cu hnh

Nhp s SERIAL c in trn np b RF-EXT vo S Serial RF-EXT Nhp ch s ca cng t hin ti vo Ch s kWh

(Lu : Nhp lun phn ch s thp phn khng cn du. V du: 236.7 th nhp 2367)

Nhn GHI thc hin cu hnh



Khi thc hin cu hnh thnh cng s hin th thng bo ln mn hnh Nhn OK tt thng bo, v nhn nt X gc phi mn hnh tt

ca s cu hnh hin ti v tr v ca s chn khch hng

Khi tr v ca s chn khch hng, ct SERY_RFEXT s hin th s serial nhng khch hng cu hnh RF-EXT.

Nhn READ ALL c ch s tt c cc cng t ti tr Nhn READ c RF khch hng ang chn



Khi c ch s thnh cng, thng tin s c ghi li vo ct CS c v thi gian c s ghi vo ct Ngy c

So snh vi ct CS LT v Ngy LT kim tra hot ng ca b RF-EXT

Sau khi hon thnh vic cu hnh cc cng t trong quyn GCS, copy file *.xml ra my tnh v m bng Excel tng hp.



4. Cc ng dng trong h thng c t ng t xa 4.1 c ch s cng t t xa bng sng v tuyn RF bng thit b cm tay HandHeld Unit (HHU)

4.1.1 Gii thiu h thng

B c ch s cng t qua sng v tuyn RF-EXT c chc nng c ch s

cng t t xa qua sng v tuyn. Cc thng s v in nng tiu th trn cng t s c c truyn v thit b cm tay (Handheld Unit) qua giao din sng v tuyn RF. Nh th m ngi ghi ch khng cn phi vo nh khch hng hoc khng cn phi tro tr ghi ch s theo cch th cng trc y.

Ngoi cc thng s v in nng, HHU c th yu cu cng t tr li cc thng s khc nh : dng in, in p, h s cng sut, cng sut, v cc thng tin cnh bo cng t ghi nhn c.

Thng s k thut ca h thng giao tip RF ca RF-EXT:

- Tn s trung tm: 408,925 MHz (Tn s c Tp on in lc Vit Nam xin php phc v c ch s cng t t xa).

In v giao thng bo tin in ngay cho khch hng

Ch s in thu thp c ng b vi C s d liu

kinh doanh in nng

CSDL kinh doanh in nng(CMIS)

RF-EXT

Nhn vin ghi in c trang b

my tnh cm tay v my in di ng

Cch thc ly ch s cng t thng qua h thng c t xa bng sng v tuyn RF



- Tc truyn tin: 4800 bps

- iu ch: FSK

- Bng thng: 3x12,5 kHz

- Cng sut: < 10 dBm

- Khong cch giao tip: ti a 100m trong iu kin khng che chn. Trong iu kin cng t t trong hp treo ngoi tri, khong cch truyn d liu m bo tin cy >50m trong iu kin gia thit b cm tay (HHU) n hp cng t khng c vt cn.

- C c ch bo mt thng tin v kim sot li theo giao thc ring ca nh sn xut, m bo truyn d liu chnh xc, khng b nhiu.

4.1.2 M t h thng

Thnh phn h thng: Cng t in t: L mt thit b o m in nng c tch hp khi thu

pht sng v tuyn (RF) c tn s v cc iu kin k thut nm trong Quy nh v iu kin k thut v khai thc i vi thit b v tuyn in c ly ngn c s dng c iu kin theo quyt nh s 47 /2006/Q-BBCVT ngy 29/11/2006, ng thi khng gy nh hng n cc chc nng o m ca n. Cng t gi thng tin ca n khi nhn c lnh yu cu pht i t b thu thp tn hiu di ng ca ngi ghi ch s. Sau khi pht d liu, cng t lp tc chuyn ngay vo ch ch lnh c ca b thu thp tn hiu di ng, nh th gim ti a s can nhiu tn s v tuyn in ca h thng n thit b khc.

B thu thp tn hiu di ng bao gm my tnh cm tay (Handheld Unit) : v module thu pht tn hiu v tuyn RF c tch hp bn trong. Chng trnh thu thp s liu c ci t trn my tnh cm tay s gip ngi ghi ch ra lnh c ch s in hin thi da vo danh sch v s liu khch hng s dng in c kt xut t c s d liu kinh doanh in nng.



4.2 H thng RF-SPIDER

4.2.1 Gii thiu h thng

H thng RF-SPIDER l h thng thu thp ch s cng t t xa hon ton t

ng, ng dng cng ngh khng dy theo kiu mt li, s dng ng truyn sng v tuyn tm ngn (Short-Range RF). Mng li thng tin c hnh thnh t ng bi cc cng t c tch hp cng ngh RFMesh pht sng RF trong mt khu vc k cn m khng cn phi u t bt k ng truyn no khc, nhn vin ghi ch s khng cn phi n hin trng.

Vi nhng u im vt tri v chi ph u t thp, h thng RF-SPIDER l mt s kt hp hon ho gia cng ngh khng dy theo kiu mt li v cc thit b o m in nng do CPC IT cung cp nhm to nn mt h thng thu thp d liu cng t in t xa qui m ln, tin cy cao.

4.2.2 M t h thng Xy dng nn mt h thng thu thp ch s cng t t xa hon ton t

ng.

Nng cao kh nng thu thp ch s cng t, gii quyt trit cc nhc im ca phng thc thu thp bng thit b cm tay Handheld hin nay.

T ng thu thp ch s cng t theo thi gian nh sn, hoc theo lnh yu cu bt thng.



Kh nng kt ni vi c s d liu ca h thng CMIS, h thng MDMS phc v cho cng tc kinh doanh in nng.

p ng c l trnh xy dng h thng li in thng minh.

Thnh phn h thng bao gm :

Cng t : L mt thit b o m in nng c tch hp khi thu pht sng v tuyn (RF) c tn s v cc iu kin k thut nm trong Quy nh v iu kin k thut v khai thc i vi thit b v tuyn in c ly ngn c s dng c iu kin theo quyt nh s 47 /2006/Q-BBCVT ngy 29/11/2006. Tt c cc chun loi cng to do CPCIT sn xut u c kh nng h tr tch hp cng ngh RFMesh.

Router : l thit b c th qun l, thu thp s liu ca mt s lng cng t nht nh. S liu c gi v DCU khi c yu cu. Ngoi ra cn c chc nng dng m rng vng ph sng ca DCU.

DCU (Data Collector Unit) : l thit b chnh ca h thng qun l tt c cc cng t trong mt trm bin p. Gi d liu tt c cc cng t trong trm v server khi tin hnh thu thp xong. S dng ng truyn GPRS hoc 3G trao i d liu vi Server trung tm.

4.2.3 Tnh nng ni bt Tnh n nh: H thng c kh nng t hnh thnh mng li thu thp d

liu, t thay th cc nt mng b mt lin kt bng cc nt mng khc.

Tnh linh hot cao: cc nt mng trung tm c th t bt k u, v tr hp l nht v thun tin nht. C th thm, di chuyn v loi b cc thit b m khng cn phi thc hin ci t hay cu hnh li cho mng.

Linh hot trong qu trnh cu hnh h thng trc tip t xa. D dng lp t, s dng, bo tr, bo dng.

CNG TY CNG NGH THNG TIN

IN LC MIN TRUNG

Tr s chnh: 552, Trng N Vng, Tp. Nng.

Xng Sn xut: ng s 5, KCN Ha Cm, Tp. Nng.

ST: 0511.2220803. Fax: 0511.2220899.

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2015-03-04 tlkt rf-ext