7710 Multiplexer Module
MalangizoModel 7710 Multiplexer Module
Malangizo ogwiritsira ntchito DAQ6510
Keithley Instruments
28775 Aurora Road
Cleveland, Ohio 44139
1-800-833-9200
tek.com/keithley

Mawu Oyamba

Module ya 7710 20-Solid-state Differential Multiplexer yokhala ndi Automatic Cold Junction Compensation (CJC) imapereka ma tchanelo 20 a ma 2-pole kapena 10 a relay input 4-pole relay input yomwe ingathe kukhazikitsidwa ngati mabanki awiri odziyimira pawokha a ma multiplexers. Ma relay ndi olimba, omwe amapereka moyo wautali komanso kusamalidwa kochepa. Ndi yabwino kwa nthawi yayitali yodula mitengo komanso kuyitanitsa mapulogalamu othamanga kwambiri.
Chithunzi 1: 7710 20-Channel Differential Multiplexer Module Chinthu chotumizidwa chikhoza kusiyana ndi chitsanzo chomwe chili pano.
7710 ili ndi izi:

• Kuthamanga kwanthawi yayitali, moyo wautali wokhazikika wokhazikika
• DC ndi AC voltagmuyeso
• Miyezo yokana mawaya awiri kapena anayi (mawiri awiri okha otumizirana mawaya oyezera mawaya anayi)
• Kugwiritsa ntchito kutentha (RTD, thermistor, thermocouple)
• Magawo ozizirira omangidwira pa kutentha kwa thermocouple
• Screw terminal malumikizano

ZINDIKIRANI
7710 itha kugwiritsidwa ntchito ndi DAQ6510 Data Acquisition ndi Multimeter System.
Ngati mukugwiritsa ntchito gawoli losinthira ndi 2700, 2701, kapena 2750, chonde onani Model 7710 Multiplexer
Kalozera Wogwiritsa Ntchito Khadi, Keithley Instruments PA-847.

Zogwirizana

Ma screw terminals pa switching module amaperekedwa kuti alumikizane ndi chipangizo chomwe chikuyesedwa (DUT) ndi ma circuitry akunja. 7710 imagwiritsa ntchito midadada yodula mwachangu. Mutha kulumikiza ku terminal block ikachotsedwa mu module. Ma terminal awa adavotera ma 25 olumikizira ndikudula.
CHENJEZO
Njira zolumikizirana ndi mawaya zomwe zili m'chikalatachi zidapangidwa kuti zizigwiritsidwa ntchito ndi anthu oyenerera okha, monga momwe zafotokozedwera ndi mitundu ya ogwiritsa ntchito pachitetezo chachitetezo (patsamba 25). Osachita izi pokhapokha ngati ali oyenerera kutero. Kulephera kuzindikira ndi kutsatira njira zodzitetezera kungayambitse kuvulala kapena kufa.
Zomwe zili pansipa zikufotokozera momwe mungalumikizire gawo losinthira ndikutanthauzira mawonekedwe a tchanelo. Logi yolumikizira imaperekedwa yomwe mungagwiritse ntchito kujambula maulalo anu.
Wiring ndondomeko
Gwiritsani ntchito njira zotsatirazi kuti mulumikizane ndi gawo la 7710. Pangani maulumikizidwe onse pogwiritsa ntchito kukula koyenera kwa waya (mpaka 20 AWG). Kuti makina azigwira ntchito kwambiri, zingwe zonse zoyezera ziyenera kukhala zosakwana mita zitatu. Onjezani zowonjezera zotsekera kuzungulira chingwe cha voliyumutagndi pamwamba 42 VPEAK.
CHENJEZO
Mawaya onse ayenera kuvoteledwa kuti akhale ndi voltage mu ndondomeko. Za example, ngati 1000 V ikugwiritsidwa ntchito pazitsulo zam'tsogolo za chipangizocho, mawotchi osinthika a module ayenera kuwerengedwa kwa 1000 V. Kulephera kuzindikira ndi kusunga njira zotetezera chitetezo kungayambitse kuvulala kapena imfa.
Zida zofunika:

• Chofufumitsira tsamba lathyathyathya
• Zopalasa za singano
• Zomangira zingwe

Kulumikiza moduli ya 7710:

1. Onetsetsani kuti mphamvu zonse zatulutsidwa mu module ya 7710.
2. Pogwiritsa ntchito screwdriver, tembenuzirani screwdriver kuti mutsegule ndi kutsegula chivundikirocho, monga momwe chithunzichi chikusonyezera.
   Chithunzi 2: Screw terminal access
3. Ngati kuli kofunikira, chotsani chotchinga cholumikizira mwachangu chomwe chili mu module.
   a. Ikani screwdriver yathyathyathya pansi pa cholumikizira ndikukankhira pang'onopang'ono kuti mumasulire, monga momwe chithunzichi chikusonyezera.
   b. Gwiritsani ntchito pliers za singano kuti mukokere cholumikizira molunjika.
   CHENJEZO
   Osagwedeza cholumikizira uku ndi uku. Kuwonongeka kwa mapini kungabwere.
   Chithunzi 3: Njira yoyenera yochotsera zotsekera   
4. Pogwiritsa ntchito screwdriver yaying'ono, masulani zomangira ndikuyika mawaya ngati pakufunika. Chithunzi chotsatira chikuwonetsa kulumikizana, kuphatikiza kulumikizana ndi magwero ndi malingaliro.
   Chithunzi 4: Chotsani ma terminal channels
5. Lumikizani terminal block mu module.
6. Waya wodutsa m'njira ya mawaya ndikutetezedwa ndi zomangira zingwe monga momwe zasonyezedwera. Chithunzi chotsatirachi chikuwonetsa kulumikizana ndi tchanelo 1 ndi 2.
   Chithunzi 5: Kuvala waya
7. Lembani kopi ya chipika cholumikizira. Onani zolemba za kulumikizana (patsamba 8).
8. Tsekani chivundikiro cholowera pa screw terminal.
9. Pogwiritsa ntchito screwdriver, kanikizani screwdriver ndikutembenuza kuti mutseke chivundikirocho.

Kusintha kwa module

Chithunzi chotsatirachi chikuwonetsa dongosolo losavuta la gawo la 7710. Monga momwe ziwonetsedwera, 7710 ili ndi njira zomwe zimagawidwa m'mabanki awiri a 10 njira (20 njira zonse). Kudzipatula kwa ndege kumaperekedwa ku banki iliyonse. Banki iliyonse imakhala ndi malo ofotokozera apakati ozizira. Banki yoyamba ili ndi njira 1 mpaka 10, pamene banki yachiwiri ili ndi njira 11 mpaka 20. Njira iliyonse ya 20-channel multiplexer module imakhala ndi mawaya osiyana siyana a HI / LO omwe amapereka zowonjezera zokhazokha.
Kulumikizana ndi ntchito za DMM kumaperekedwa kudzera mu cholumikizira cha backplane cha module.
Makanema 21, 22, ndi 23 amasinthidwa okha ndi chida akamagwiritsa ntchito njira yamakina.
Mukamagwiritsa ntchito njira yoyendera ma 4-waya (kuphatikiza ma 4-waya ohms, kutentha kwa RTD, Ratio, ndi Channel Average), mayendedwe amaphatikizidwa motere:

CH1 ndi CH11	CH6 ndi CH16
CH2 ndi CH12	CH7 ndi CH17
CH3 ndi CH13	CH8 ndi CH18
CH4 ndi CH14	CH9 ndi CH19
CH5 ndi CH15	CH10 ndi CH20

ZINDIKIRANI
Makanema 21 mpaka 23 pamakinawa akutchula mayina omwe amagwiritsidwa ntchito poyang'anira osati njira zenizeni zomwe zilipo. Kuti mudziwe zambiri, onani buku lofotokozera zida.
Chithunzi 6: 7710 schematic chosavuta

Zolumikizana zofananira

ExampLes kuwonetsa kulumikizana kofananira ndi mawaya amitundu iyi yamiyeso:

• Thermocouple
• Awiri-waya kukana ndi thermistor
• Kukana kwamawaya anayi ndi RTD
• DC kapena AC voltage

Lolemba yolumikizira

Mutha kugwiritsa ntchito tebulo ili m'munsimu kuti mulembe zambiri zamalumikizidwe anu.
Zogwirizana ndi 7710

Channel		Mtundu	Kufotokozera
Gwero la Khadi	H
	L
Kadi Sense	H
	L
CH1	H
	L
CH2	H
	L
CH3	H
	L
CH4	H
	L
CH5	H
	L
CH6	H
	L
CH7	H
	L
CH8	H
	L
CH9	H
	L
CH10	H
	L
CH11	H
	L
CH12	H
	L
CH13	H
	L
CH14	H
	L
CH15	H
	L
CH16	H
	L
CH17	H
	L
CH18	H
	L
CH19	H
	L
CH2O	H
	L

Kuyika

Musanagwiritse ntchito chida chokhala ndi gawo losinthira, onetsetsani kuti gawo losinthira limayikidwa bwino ndipo zomangira zomangika zimamangika mwamphamvu. Ngati zomangira sizikulumikizidwa bwino, vuto lamagetsi litha kukhalapo.
Ngati mukuyika ma module awiri osinthira, ndikosavuta kukhazikitsa gawo losinthira kukhala slot 2 poyamba, kenaka yikani gawo lachiwiri losinthira kukhala slot 1.
ZINDIKIRANI
Ngati muli ndi Keithley Instruments Model 2700, 2701, kapena 2750 chida, mutha kugwiritsa ntchito gawo lanu losinthira lomwe lilipo mu DAQ6510. Tsatirani malangizo omwe ali muzolemba zanu zoyambirira kuti muchotse gawoli pachidacho, kenako gwiritsani ntchito malangizo otsatirawa kuti muyike mu DAQ6510. Simufunikanso kuchotsa mawaya ku module.
ZINDIKIRANI
Kwa ogwiritsa ntchito osadziwa, tikulimbikitsidwa kuti musagwirizane ndi chipangizo choyesedwa (DUT) ndi maulendo akunja ku gawo losinthira. Izi zimakupatsani mwayi wochita maopaleshoni oyandikira komanso otseguka popanda zoopsa zomwe zimagwirizanitsidwa ndi mabwalo oyeserera amoyo. Mukhozanso kukhazikitsa pseudocards kuyesa kusintha. Onani "Pseudocards" mu Model DAQ6510 Data Acquisition and Multimeter System Reference Manual kuti mudziwe zambiri za kukhazikitsa pseudocards.
CHENJEZO
Kuti mupewe kugwedezeka kwa magetsi komwe kungayambitse kuvulala kapena kufa, musagwiritse ntchito moduli yosinthira yomwe ili ndi mphamvu. Musanayike kapena kuchotsa gawo losinthira, onetsetsani kuti chidacho chazimitsidwa ndikuchotsedwa pamagetsi a mzere. Ngati gawo losinthira likulumikizidwa ndi DUT, onetsetsani kuti magetsi amachotsedwa kumadera onse akunja.
CHENJEZO
Zivundikiro za slot ziyenera kuyikidwa pamipata yosagwiritsidwa ntchito kuti mupewe kulumikizana ndi ma voliyumu apamwambatagndi zozungulira. Kulephera kuzindikira ndikutsata njira zodzitetezera kungayambitse kuvulala kapena kufa chifukwa cha kugwedezeka kwamagetsi.
CHENJEZO
Musanayike kapena kuchotsa gawo losinthira, onetsetsani kuti mphamvu ya DAQ6510 yazimitsidwa ndikuchotsedwa pamagetsi a mzere. Kulephera kutsatira kungayambitse ntchito yolakwika ndi kutayika kwa data mu kukumbukira.
Zida zofunikira:

• Medium flat-blade screwdriver
• Screwdriver wapakatikati

Kuyika gawo losinthira mu DAQ6510:

1. Zimitsani DAQ6510.
2. Lumikizani chingwe chamagetsi kugwero lamagetsi.
3. Chotsani chingwe chamagetsi ndi zingwe zina zilizonse zomwe zimalumikizidwa ndi gulu lakumbuyo.
4. Ikani DAQ6510 kuti muyang'ane ndi gulu lakumbuyo.
5. Gwiritsani ntchito screwdriver kuchotsa zomata zotsekera ndi mbale yakuvundikira. Sungani mbale ndi zomangira kuti mugwiritse ntchito mtsogolo.
6. Ndi chivundikiro chapamwamba cha module yosinthira choyang'ana m'mwamba, tsitsani gawo losinthira mu slot.
7. Kanikizani gawo losinthira mwamphamvu kuti muwonetsetse kuti cholumikizira chosinthira cholumikizidwa ndi cholumikizira cha DAQ6510.
8. Gwiritsani ntchito screwdriver kumangitsa zomangira ziwiri kuti muteteze gawo losinthira ku mainframe. Osawonjeza.
9. Lumikizaninso chingwe chamagetsi ndi zingwe zina zilizonse.

Chotsani gawo losinthira

ZINDIKIRANI
Musanachotse gawo losinthira kapena kuyamba kuyesa kulikonse, onetsetsani kuti zolumikizira zonse zatseguka. Popeza ma relay ena atha kutsekedwa, muyenera kutsegula ma relay onse musanachotse gawo losinthira kuti mulumikizane. Kuphatikiza apo, ngati mutaya gawo lanu losinthira, ndizotheka kuti ma relay ena atsekedwe.
Kuti mutsegule ma tchanelo onse, pitani pa chithunzi chotsegula cha CHANNEL. Sankhani Tsegulani Zonse.
CHENJEZO
Kuti mupewe kugwedezeka kwa magetsi komwe kungayambitse kuvulala kapena kufa, musagwiritse ntchito moduli yosinthira yomwe ili ndi mphamvu. Musanayike kapena kuchotsa gawo losinthira, onetsetsani kuti DAQ6510 yazimitsidwa ndikuchotsedwa pamagetsi amzere. Ngati gawo losinthira likulumikizidwa ndi DUT, onetsetsani kuti magetsi amachotsedwa kumadera onse akunja.
CHENJEZO
Ngati kagawo kakhadi sikagwiritsidwa ntchito, muyenera kukhazikitsa zovundikira kuti mupewe kukhudzana ndi ma voliyumu apamwambatagndi zozungulira. Kukanika kuyika zovundikira za slot kungapangitse kuti munthu adziwonetsedwe ndi mphamvu yowopsatages, zomwe zingapangitse munthu kuvulala kapena kufa ngati atalumikizidwa.
CHENJEZO
Musanayike kapena kuchotsa gawo losinthira, onetsetsani kuti mphamvu ya DAQ6510 yazimitsidwa ndikuchotsedwa pamagetsi a mzere. Kulephera kutsatira kungayambitse ntchito yolakwika ndi kutayika kwa data mu kukumbukira.
Zida zofunikira:

• Medium flat-blade screwdriver
• Screwdriver wapakatikati

Kuchotsa gawo losinthira ku DAQ6510:

1. Zimitsani DAQ6510.
2. Lumikizani chingwe chamagetsi kugwero lamagetsi.
3. Chotsani chingwe chamagetsi ndi zingwe zina zilizonse zomwe zimalumikizidwa ndi gulu lakumbuyo.
4. Ikani DAQ6510 kuti muyang'ane ndi gulu lakumbuyo.
5. Gwiritsani ntchito screwdriver kuti mumasule zomangira zomangira zomwe zimateteza gawo losinthira ku chida.
6. Chotsani mosamala gawo losinthira.
7. Ikani mbale ya slot kapena gawo lina losinthira pamalo opanda kanthu.
8. Lumikizaninso chingwe chamagetsi ndi zingwe zina zilizonse.

Malangizo ogwiritsira ntchito

CHENJEZO
Musanayike kapena kuchotsa gawo la 7710, onetsetsani kuti mphamvu ya DAQ6510 yazimitsidwa ndikuchotsedwa pamagetsi a mzere. Kulephera kutsatira kungayambitse ntchito yolakwika ndi kutayika kwa data kuchokera ku kukumbukira kwa 7710.
CHENJEZO
Kuti mupewe kutenthedwa kapena kuwonongeka kwa 7710 switching module relays, musapitirire milingo yayikulu yotsatirayi pakati pa zolowetsa ziwiri kapena chassis: Njira iliyonse panjira iliyonse (1 mpaka 20): 60 VDC kapena 42 VRMS, 100 mA switched, 6 W, 4.2 VA pazipita.
Musapitirire kutsimikizika kwakukulu kwa 7710. Onani zomwe zaperekedwa mu datasheet. Kulephera kuzindikira ndi kutsatira njira zodzitetezera kungayambitse kuvulala kapena kufa.
CHENJEZO
Module ya 7710 ikalowetsedwa mu DAQ6510, imalumikizidwa ndi zolowetsa zakutsogolo ndi zakumbuyo ndi ma module ena mudongosolo kudzera pa zida zakumbuyo. Pofuna kupewa kuwonongeka kwa gawo la 7710 ndikuletsa kulengedwa kwa chiwopsezo chowopsa, dongosolo lonse loyesera ndi zolowa zake zonse ziyenera kuchepetsedwa kukhala 60 VDC (42 VRMS). Kulephera kuzindikira ndi kutsatira njira zodzitetezera kungayambitse kuvulala kapena kufa. Onani zolemba za zida za malangizo ogwiritsira ntchito.
CHENJEZO
Kusintha kwa gawoli sikugwirizana ndi miyeso yapano. Ngati chidacho chili ndi chosinthira cha TERMINALS chokhazikitsidwa ku REAR ndipo mukugwira ntchito ndi slot yomwe ili ndi gawo losinthira, AC, DC, ndi digitize ntchito zamakono sizikupezeka. Mutha kuyeza zamakono pogwiritsa ntchito gulu lakutsogolo kapena kugwiritsa ntchito slot ina yomwe ili ndi gawo losinthira lomwe limathandizira AC, DC, ndikusintha miyeso yapano.
Ngati mugwiritsa ntchito malamulo akutali kuyesa kuyeza zamakono pokonza tchanelo, cholakwika chimabwezedwa.
Jambulani mwachangu pogwiritsa ntchito gawo la 7710 ndi DAQ6510 mainframe
Pulogalamu yotsatira ya SCPI ikuwonetsa kugwiritsa ntchito moduli ya 7710 ndi mainframe ya DAQ6510 kuti mukwaniritse kusanthula mwachangu. Imagwiritsa ntchito WinSocket control kuti ilankhule ndi mainframe 7710.

DAQ6510 kapena pseudo kodi	Lamulo	Kufotokozera
Pseudo kodi	int scanCnt = 1000	Pangani chosinthika kuti musunge mawerengedwe a sikani
	ine sampleCnt	Pangani chosinthika kuti mugwire zonse sample count (chiwerengero chonse cha zowerengedwa)
	ine chanCnt	Pangani kusintha kuti musunge kuchuluka kwa tchanelo
	int actualRdgs	Pangani chosinthika kuti musunge kuwerenga kwenikweni
	chingwe rcvBuffer	Pangani bafa ya zingwe kuti musunge zowerengera zochotsedwa
	t ine 1. kuyamba ()	Yambitsani chowerengera kuti muthandizire kujambula nthawi yomwe yapita
DAQ6510	• RST	Ikani chidacho mu chikhalidwe chodziwika
	FOMU: DATA ASCII	Sinthani data ngati chingwe cha ASCII
	NJIRA: SKAN: COUN : Scan scanCnt	Ikani chiwerengero cha jambulani
	FUNC 'VOLT:DC' , (@101:120)	Khazikitsani ntchito ku DCV
	VOLT:RANG 1, (@101:120)	Khazikitsani mtundu wokhazikika pa 1 V
	VOLT: AVER: STAT OFF, (@101:120)	Letsani ziwerengero zakumbuyo
	DISP : VOLT: DIG 4, (@101:120)	Khazikitsani gulu lakutsogolo kuti liwonetse manambala 4 ofunika
	VOLT: NPLC 0.0005, (@101:120)	Khazikitsani NPLC yachangu kwambiri
	VOLT:LINE:SYNC OFF, (@101:120)	Zimitsani kulunzanitsa mzere
	VOLT : AZER: STAT OFF, (@101:120)	Zimitsani auto zero
	CALC2 :VOLT :LIM1 :STAT OFF, (@101:120)	Zimitsani zoyesa malire
	CALC2 :VOLT :LIM2 :STAT OFF, (@101:120)
	NJIRA: SCAN: INT 0	Khazikitsani nthawi yoyambira pakati pa sikani mpaka 0 s
	TRAC: CLE	Chotsani buffer yowerengera
	DISP:LIGH:STAT OFF	Zimitsani chiwonetserocho
	NJIRA :SCAN :CRE (@101:120)	Khazikitsani sikani mndandanda
	chanCnt = NJIRA :SCAN:COUNT : STEP?	Funsani kuchuluka kwa tchanelo
Pseudo kodi	sampleCnt = scanCnt • chanCnt	Werengani kuchuluka kwa zomwe zawerengedwa
DAQ6510	INIT	Yambitsani sikani
Pseudo kodi	kwa ine = 1, ine <sampleCnt	Khazikitsani af kapena kuzungulira kuyambira 1 mpaka sampleCnt. koma siyani kuwonjezereka kwa 1 kwa mtsogolo
	kuchedwa 500	Kuchedwetsa kwa 500 ms kulola kuwerengera kuchuluka
DAQ6510	realRdgs = TRACE: ZOONA?	Funsani zomwe zawerengedwa zenizeni
	rcvBuffer = "TRACe:DATA? i, realRdgs, "defbuf ferl", WERENGANI	Funsani zowerengera zomwe zilipo kuchokera ku i kufika pamtengo wa realRdgs
Pseudo kodi	WriteReadings ("C: \ myData . csv", rcvBuffer)	Lembani zowerengera zotengedwa ku a file. myData.csv. pa kompyuta yakomweko
	i = realRdgs + 1	Kuwonjezeka kwa chiphaso chotsatira
	kutha kwa	Malizitsani f kapena lupu
	nthawi 1. Imani()	Imani powerengetsera nthawi
	timerl.stop - timerl.start	Werengani nthawi yomwe yapita
DAQ6510	DISP : LICH :STAT ON100	Yatsaninso chiwonetserochi

Pulogalamu yotsatira ya TSP ikuwonetsa kugwiritsa ntchito gawo la 7710 ndi mainframe ya DAQ6510 kuti mukwaniritse kusanthula mwachangu. Imagwiritsa ntchito WinSocket control kuti ilankhule ndi mainframe 7710.
- Khazikitsani zosintha kuti ziwonekere pakujambula.
scanCnt = 1000
sampleCnt = 0
chanCnt = 0
realRdgs = 0
rcvBuffer = ""
- Pezani nthawi zoyambiraamp kwa kufananiza komaliza.
local x = os.clock()
- Bwezeretsani chida ndikuchotsa chotchinga.
bwererani ()
defbuffer1.clear()
- Khazikitsani mtundu wa buffer ndikukhazikitsa scan scan
format.data = mtundu.ASCII
scan.scancount = scanCnt
- Konzani njira zojambulira za khadi mu slot 1.
channel.setdmm(“101:120”, dmm.ATTR_MEAS_FUNCTION, dmm.FUNC_DC_VOLTAGE)
channel.setdmm(“101:120”, dmm.ATTR_MEAS_RANGE, 1)
channel.setdmm(“101:120”, dmm.ATTR_MEAS_RANGE_AUTO, dmm.OFF)
channel.setdmm(“101:120”, dmm.ATTR_MEAS_AUTO_ZERO, dmm.OFF)
channel.setdmm(“101:120”, dmm.ATTR_MEAS_DIGITS, dmm.DIGITS_4_5)
channel.setdmm(“101:120”, dmm.ATTR_MEAS_NPLC, 0.0005)
channel.setdmm(“101:120”, dmm.ATTR_MEAS_APERTURE, 8.33333e-06)
channel.setdmm(“101:120”, dmm.ATTR_MEAS_LINE_SYNC, dmm.OFF)
channel.setdmm(“101:120”, dmm.ATTR_MEAS_LIMIT_ENABLE_1, dmm.OFF)
channel.setdmm(“101:120”, dmm.ATTR_MEAS_LIMIT_ENABLE_2, dmm.OFF)
- Kuchepetsa chiwonetsero.
display.lightstate = display.STATE_LCD_OFF
- Pangani sikani.
scan.create(“101:120”)
scan.scaninterval = 0.0
chanCnt = scan.stepcount
- Werengetsani sample count ndikugwiritsa ntchito kukula kwa buffer.
sampleCnt = scanCnt * chanCnt
defbuffer1.capacity = sampleCnt
- Yambani jambulani.
trigger.model.initiate()
- Lupu kuti mujambule ndikusindikiza zowerengera.
ndi = 1
pamene ine <= sampLeCt do
kuchedwa (0.5)
myCnt = defbuffer1.n
- ZINDIKIRANI: Itha kuwonjezeredwa kapena kusinthidwa ndikulembera ku USB
printbuffer(i, myCnt, defbuffer1.readings)
ine = myCnt + 1
TSIRIZA
- Yatsani chiwonetserochi kachiwiri.
display.lightstate = display.STATE_LCD_50
- Kutulutsa nthawi inadutsa.
print(string.format(“Nthawi Yapita: %2f\n”, os.clock() – x))

Malingaliro ogwirira ntchito

Miyezo yotsika-ohms
Pakukaniza kosiyanasiyana (> 100 Ω), njira ya mawaya awiri (Ω2) imagwiritsidwa ntchito poyezera ma ohms.
Kwa ohm otsika (≤100 Ω), kukana kwa njira ya siginecha pamndandanda ndi DUT kumatha kukhala kokwera mokwanira kusokoneza muyeso. Choncho, njira ya 4-waya (Ω4) iyenera kugwiritsidwa ntchito poyeza ma ohms otsika. Zokambirana zotsatirazi zikufotokozera zoperewera za njira ya 2-waya ndi advantages ya njira 4-waya.
Njira ziwiri zawaya
Miyezo ya kukana mumtundu wabwinobwino (> 100 Ω) nthawi zambiri imapangidwa pogwiritsa ntchito njira yamawaya awiri (Ω2 ntchito). Mayeso apano amakakamizika kudzera mumayendedwe oyesa komanso kukana kumayesedwa (RDUT). Kenako mita imayesa voltage kudutsa mtengo wotsutsa moyenerera.
Vuto lalikulu ndi njira ya 2-waya, monga momwe amagwiritsidwira ntchito ku miyeso yotsika kwambiri ndi kuyesa kutsogolo kutsutsa (RLEAD) ndi kukana kwa njira (RCH). Kuchuluka kwa zokana izi nthawi zambiri kumakhala pakati pa 1.5 mpaka 2.5 Ω.
Chifukwa chake, ndizovuta kupeza miyeso yolondola ya 2-waya ohms pansi pa 100 Ω.
Chifukwa cha malire awa, njira ya 4-waya iyenera kugwiritsidwa ntchito poyezera kukana ≤100 Ω.
Njira yawaya anayi
Njira yolumikizira mawaya 4 (Kelvin) pogwiritsa ntchito ntchito ya Ω4 nthawi zambiri imakonda miyeso ya ohms otsika.
Njira ya 4-waya imathetsa zotsatira za njira ndi kuyesa kutsutsa kutsogolo.
Ndi kasinthidwe uku, mayeso apano (ITEST) amakakamizika kudzera pakuyesa kukana (RDUT) kudzera mu seti imodzi yoyeserera (RLEAD2 ndi RLEAD3), pomwe vol.tage (VM) kudutsa chipangizo chomwe chikuyesedwa (DUT) amayezedwa kudzera mu seti yachiwiri (RLEAD1 ndi RLEAD4) yotchedwa sense lead.
Ndi kasinthidwe uku, kukana kwa DUT kumawerengedwa motere:
RDUT = VM / ITEST
Kumeneko: Ine ndiye mayeso a sourced panopa ndipo V ndiye voltage.
Monga momwe zasonyezedwera mu chithunzi cha Maximum test lead resistance (patsamba 17), kuyeza voltage (VM) ndiye kusiyana pakati pa VSHI ndi VSLO. Ma equation omwe ali m'munsimu akuwonetsa momwe kuyesa kwa lead lead ndi kukana kwa tchanelo kumathetsedwa pakuyezera.
Kuchuluka kwa mayeso otsogolera kukana
The maximum test lead resistance (RLEAD), pamayendedwe apadera a 4-waya:

• 5 Ω pa kutsogolera kwa 1 Ω
• 10% yamtundu uliwonse wotsogolera 10 Ω, 100 Ω, 1 kΩ, ndi 10 kΩ
• 1 kΩ pakuwongolera kwa 100 kΩ, 1 MΩ, 10 MΩ, ndi ma 100 MΩ osiyanasiyana

Zongoganizira:

• Pafupifupi palibe madzi omwe akuyenda mumayendedwe othamanga kwambiri chifukwa cha kutsekeka kwakukulu kwa voltmeter (VM). Chifukwa chake, voltage amatsika kudutsa Channel 11 ndipo mayeso otsogolera 1 ndi 4 ndi osafunika ndipo akhoza kunyalanyazidwa.
• Voltage akutsikira kudutsa Channel 1 Hi (RCH1Hi) ndi test lead 2 (RLEAD2) samayesedwa ndi voltmeter (VM).

RDUT = VM/ITEST
Kumene:

• VM ndi voltagndi kuyeza ndi chida.
• ITEST ndiye nthawi zonse zomwe zidapangidwa ndi chida kupita ku DUT.
• VM = VSHI - VSLO
• VSHI = ITEST × (RDUT + RLEAD3 + RCH1Lo)
• VSLO = ITEST × (RLEAD3 + RCH1Lo)
• VSHI − VSLO = ITEST × [(RDUT + RLEAD3 + RCH1Lo) − (RLEAD3 + RCH1Lo)]
• = ITEST × RDUT
• = VM

Voltagndi miyeso
Kukana kwa njira kumatha kusokoneza miyeso ya ohms otsika (onani miyeso ya Low-ohms (patsamba 16) kuti mudziwe zambiri). Kukaniza kwa Series kungayambitse mavuto pakukweza kwa DC voltage pamiyeso ya 100 V, 10 V, ndi 10 mV pamene chogawa cha 10 MΩ chayatsidwa. Kukaniza kwa njira zazitali kumatha kusokonezanso mphamvu ya AC voltage pamlingo wa 100 V pamwamba pa 1 kHz.
Kutayika kolowetsa
Kutayika kolowetsa ndi mphamvu ya siginecha ya AC yotayika pakati pa zomwe zalowetsedwa ndi zomwe zatulutsa. Kawirikawiri, pamene mafupipafupi akuwonjezeka, kutaya kwa kuika kumawonjezeka.
Kwa gawo la 7710, kutayika koyikirako kumatchulidwa kwa 50 Ω AC gwero la siginecha yodutsa mugawo kupita ku katundu wa 50 Ω. Kutayika kwa mphamvu ya chizindikiro kumachitika pamene chizindikirocho chikuyendetsedwa kudzera mu njira zowonetsera za module kupita ku katundu. Kutayika kwa kulowetsa kumawonetsedwa ngati kukula kwa dB pama frequency odziwika. Zomwe zimayikidwa pakutayika zimaperekedwa mu data sheet.
Monga example, lingalirani izi za kutayika kwa kuyika:
<1 dB @ 500 kHz 1 dB kutayika kwa kuyika ndi pafupifupi 20% kutaya mphamvu ya siginecha.
<3 dB @ 2 MHz 3 dB kutayika koyika ndi pafupifupi 50% kutayika kwa mphamvu ya siginecha.
Pamene mafupipafupi a chizindikiro akuwonjezeka, kutaya mphamvu kumawonjezeka.
ZINDIKIRANI
Zotayika zoyika zomwe zimagwiritsidwa ntchito pamwambapaample mwina sangakhale zenizeni zotayika zoyika za 7710. Zolemba zenizeni zotayika zimaperekedwa mu datasheet.
Crosstalk
Chizindikiro cha AC chikhoza kulowetsedwa munjira zoyandikana ndi gawo la 7710. Kawirikawiri, crosstalk imawonjezeka pamene mafupipafupi akuwonjezeka.
Pa gawo la 7710, crosstalk imatchulidwa kuti siginecha ya AC yodutsa mugawo mpaka 50 Ω katundu. Crosstalk imawonetsedwa ngati kukula kwa dB pafupipafupi. Mafotokozedwe a crosstalk amaperekedwa mu datasheet.
Monga example, lingalirani izi za crosstalk:
<-40 dB @ 500 kHz -40 dB ikuwonetsa kuti crosstalk mumayendedwe oyandikana ndi 0.01% ya siginecha ya AC.
Pamene mafupipafupi a chizindikiro akuwonjezeka, crosstalk imawonjezeka.
ZINDIKIRANI
Makhalidwe a crosstalk omwe amagwiritsidwa ntchito pamwambapaample mwina sangakhale mafotokozedwe enieni a crosstalk a 7710. Mafotokozedwe enieni a crosstalk amaperekedwa mu datasheet.
Miyezo ya kutentha kwa sinki
Kuyeza kutentha kwa sinki ya kutentha ndi kuyesa kwadongosolo komwe kumakhala ndi mphamvu yoyezera kutentha. Komabe, gawo la 7710 silingagwiritsidwe ntchito ngati choyatsira kutentha chikuyandama pamagetsi owopsatagE mlingo (> 60 V). Exampmayeso otere akuwonetsedwa pansipa.
Pachithunzi chotsatirachi, kutentha kwakuya kumayandama pa 120 V, yomwe ndi mzere wa voltage kukhala yolowera ku + 5V chowongolera.
Cholinga chake ndikugwiritsa ntchito tchanelo 1 kuyeza kutentha kwa sinki ya kutentha, ndikugwiritsa ntchito njira 2 kuyeza +5 V kutulutsa kwa chowongolera. Kuti kutentha kukhale kokwanira, thermocouple (TC) imayikidwa molunjika ndi choyimira cha kutentha. Izi zimalumikiza mosadziwa kuthekera koyandama kwa 120 V ku gawo la 7710. Zotsatira zake ndi 115 V pakati pa channel 1 ndi channel 2 HI, ndi 120 V pakati pa channel 1 ndi chassis. Miyezo iyi imadutsa malire a 60 V a module, ndikupanga chiwopsezo chowopsa komanso mwina kuwononga gawolo.
CHENJEZO
Mayeso omwe ali mu chithunzi chotsatira akuwonetsa momwe voltage ikhoza kugwiritsidwa ntchito mosadziwa ku gawo la 7710. Mu mayeso aliwonse pomwe zoyandama voltages>60 V alipo, muyenera kusamala kuti musagwiritse ntchito voliyumu yoyandamatage ku module. Kulephera kuzindikira ndi kutsatira njira zodzitetezera kungayambitse kuvulala kapena kufa.
CHENJEZO
Osagwiritsa ntchito gawo la 7710 kuchita mayeso amtunduwu. Imadutsa malire a 60 V ndikupanga ngozi yowopsa ndipo imatha kuwononga gawolo. Kuchuluka kwa voltages:
Voltage kusiyana pakati pa Ch 1 ndi Ch 2 HI ndi 115 V.
Voltage kusiyana pakati pa Ch 1 ndi Ch 2 LO (chassis) ndi 120 V.

Njira zothandizira ma module
Ma relay olimba omwe amagwiritsidwa ntchito pa module ya 7710 ndi zida zosasunthika. Chifukwa chake, amatha kuonongeka ndi electrostatic discharge (ESD).
CHENJEZO
Kuti mupewe kuwonongeka kwa ESD, ingogwirani gawoli ndi m'mphepete mwamakhadi. Osakhudza zolumikizira za backplane. Mukamagwira ntchito ndi midadada yolumitsa mwachangu, musakhudze mayendedwe a board kapena zida zina. Ngati mukugwira ntchito pamalo osasunthika kwambiri, gwiritsani ntchito chingwe chokhazikika pamanja polumikiza gawolo.
Kukhudza mayendedwe a board board kumatha kuyipitsa ndi mafuta amthupi omwe amatha kusokoneza kudzipatula pakati pa njira zozungulira, zomwe zingawononge miyeso. Ndi bwino kugwira bolodi la dera pokhapokha m'mphepete mwake.
Njira zopewera zolumikizirana ndi boma lolimba
Kuti mupewe kuwonongeka kwa module, musapitirire kuchuluka kwa chizindikiro cha module. Katundu wokhazikika amafunikira voltagndi clampkunyamula katundu wowonjezera komanso kuchulukitsa kwapakali pano kwa capacitive katundu.
Zida zochepetsera zamakono zitha kukhala zopinga kapena ma fuse osinthika. EksampMa fuse osinthikanso ndi ma polyfuse ndi ma thermistors abwino (PTC). Voltagndi clampZipangizo zimatha kukhala ma diode a Zener, machubu otulutsa mpweya, ndi ma diode a TVS.
Kuchepetsa kugwiritsa ntchito resistor
Kuyika ma tepi ndi kuyesa kungathandize kwambiri panjira yama sigino. Kuthamanga kwamphamvu kumatha kukhala kochulukira ndipo kumafunikira zida zochepetsera pano. Mafunde akuluakulu amatha kuyenda pamene incandescent lamps, thiransifoma ndi zida zofananira ndizomwe zimapatsidwa mphamvu poyambira ndipo malire apano akuyenera kugwiritsidwa ntchito.
Gwiritsani ntchito zoletsa zoletsa zapano kuti muchepetse kuthamanga komwe kumachitika chifukwa cha chingwe ndi mphamvu ya DUT.Clamp voltage
Voltagndi clamping iyenera kugwiritsidwa ntchito ngati magwero amagetsi ali ndi kuthekera kopanga mphamvu yocheperakotagma spikes.
Katundu wolowera ngati ma coil ndi solenoids ayenera kukhala ndi voltagndi clampkupitilira katundu kuti atseke mphamvu zotsutsana ndi electromotive. Ngakhale voltages amapangidwa pa katundu ndi ochepa pa chipangizo, zosakhalitsa voltages adzapangidwa ndi inductance ngati mawaya ozungulira ali aatali. Sungani mawaya achidule momwe mungathere kuti muchepetse inductance.
Gwiritsani ntchito diode ndi Zener diode kuti mugwirizaneamp voltagma spikes opangidwa ndi ma counter electromotive mphamvu pa relay coil. Gwiritsani ntchito chubu chotulutsa mpweya kuti muteteze spikes zosakhalitsa kuti zisawononge relay. Ngati chipangizo chomwe chikuyesedwa (DUT) chikusintha madera akuyesa, mafunde ochulukirapo kapena voltages akhoza kuwoneka pa olimba state relay. Ngati DUT yalephera chifukwa cha kuchepa kwamphamvu, malire apano angafunike. Ngati DUT yalephera chifukwa chazovuta kwambiri, voltagndi clampkungafunike.

Kuwongolera

Njira zotsatirazi zimathandizira masensa a kutentha pa ma module a 7710 plug-in.
CHENJEZO
Osayesa kuchita izi pokhapokha ngati muli oyenerera, monga momwe zafotokozedwera ndi mitundu ya ogwiritsa ntchito pachitetezo chachitetezo. Osachita izi pokhapokha ngati ali oyenerera kutero. Kulephera kuzindikira ndi kutsatira njira zodzitetezera kungayambitse kuvulala kapena kufa.
Kukonzekera kwa calibration
Kuti muwerenge moduli, muyenera zida zotsatirazi.

• Digital thermometer: 18 °C mpaka 28 °C ±0.1 °C
• Keithley 7797 Calibration / Extender Board

Kugwirizana kwa boardboard
Bolodi yowonjezera imayikidwa mu DAQ6510. Module imalumikizidwa ndi bolodi la extender kunja kuti mupewe kutentha kwa module panthawi yoyeserera.
Kupanga mgwirizano wa boarder board:

1. Chotsani mphamvu ku DAQ6510.
2. Ikani bolodi yowonjezera mu Slot 1 ya chidacho.
3. Lumikizani gawolo mu cholumikizira cha P1000 kumbuyo kwa 7797 Calibration/Extender Board.

Temprerature calibration

ZINDIKIRANI
Musanayambe kutentha kwa 7710, chotsani mphamvu mu module kwa maola osachepera awiri kuti ma modules azitha kuziziritsa. Mutatha kuyatsa mphamvu panthawi yoyeserera, malizitsani njirayi mwachangu kuti muchepetse kutentha kwa module komwe kungakhudze kulondola kwa ma calibration. Poyamba lolani DAQ6510 kutentha kwa ola limodzi ndi 7797 calibration khadi yoyikidwa. Ngati mukuwongolera ma module angapo motsatana, zimitsani DAQ6510, masulani mwachangu 7710 yomwe idasinthidwa kale, ndikulumikiza yotsatira. Dikirani mphindi zitatu musanayese 7710.

Konzani calibration:

1. Yatsani mphamvu ya DAQ6510.
2. Kuonetsetsa kuti chidacho chikugwiritsa ntchito malamulo a SCPI, tumizani: *LANG SCPI
3. Kutsogolo, onetsetsani kuti TERMINALS yakhazikitsidwa KUM'MBUYO.
4. Lolani mphindi zitatu kuti mufanane ndi kutentha.

Kuwongolera kutentha:

1. Yezerani molondola ndikulemba kutentha kozizira kwa gawo la 7710 pakatikati pa gawoli ndi thermometer yadigito.
2. Tsegulani kayerekezo potumiza:
   :CALibration:Protected:CODE “KI006510”
3. Sinthani kutentha pa 7710 ndi lamulo lotsatirali, komwe ndi kutentha kozizira koyezera mu sitepe 1 pamwambapa:
   :CALibration:Protected:CARD1:STEP0
4. Tumizani malamulo otsatirawa kuti musunge ndikutseka ma calibration:
   :KULAMBIRA:Otetezedwa:CARD1:SUNGANI
   :Kutulutsa: Kutetezedwa:CARD1:LOCK

Zolakwika zomwe zingachitike panthawi ya calibration
Ngati zolakwika za calibration zikuchitika, zimafotokozedwa mu chipika cha zochitika. Mutha kuyambiransoview chipika chochitika kuchokera gulu lakutsogolo la
chida pogwiritsa ntchito SCPI :SYSTem:EVENtlog:NEXT? lamulo kapena TSP eventlog.next()
lamula.
Cholakwika chomwe chingachitike pagawoli ndi 5527, cholakwika cha Kutentha kwa Cold Cal. Ngati vutoli lichitika, funsani Keithley
Zida. Onani ku Factory service (patsamba 24).

Ntchito yamafuta

Kuti mubwezere DAQ6510 yanu kuti ikonzedwe kapena kusinthidwa, imbani 1-800-408-8165 kapena lembani fomuyo pa tek.com/services/repair/rma-request. Mukapempha ntchito, muyenera nambala ya serial ndi firmware kapena pulogalamu ya chipangizocho.
Kuti muwone momwe chida chanu chikuyendera kapena kupanga chiyerekezo chamtengo chomwe mukufuna, pitani ku tek.com/service-quote.

Chitetezo

Njira zodzitetezera zotsatirazi ziyenera kutsatiridwa musanagwiritse ntchito mankhwalawa ndi zida zilizonse zogwirizana nazo. Ngakhale zida zina ndi zowonjezera zitha kugwiritsidwa ntchito ndi voliyumu yopanda ngozitages, pali zochitika zomwe zimakhala zoopsa.
Izi ndizomwe zimagwiritsidwa ntchito ndi ogwira ntchito omwe amazindikira zoopsa zomwe zingachitike ndipo amadziwa njira zodzitetezera zomwe zimafunikira kuti asavulale. Werengani ndikutsatira mosamala zonse zokhudza kuyika, kagwiritsidwe ntchito, ndi kukonza mosamala musanagwiritse ntchito.
Onani zolemba za ogwiritsa ntchito kuti mumve zambiri zazinthu zonse. Ngati chinthucho chikugwiritsidwa ntchito m'njira yosatchulidwa, chitetezo choperekedwa ndi chitsimikizo cha mankhwala chikhoza kuwonongeka.
Mitundu ya ogwiritsa ntchito ndi:
Bungwe loyang'anira ndi munthu kapena gulu lomwe limayang'anira kugwiritsa ntchito ndi kukonza zida, pofuna kuwonetsetsa kuti zidazo zikugwiritsidwa ntchito molingana ndi zomwe zimafunikira komanso malire ake, ndikuwonetsetsa kuti ogwira ntchito akuphunzitsidwa mokwanira. Othandizira amagwiritsa ntchito chinthucho pazomwe akufuna. Ayenera kuphunzitsidwa njira zotetezera magetsi komanso kugwiritsa ntchito bwino chidacho. Ayenera kutetezedwa ku kugwedezeka kwa magetsi komanso kukhudzana ndi mabwalo owopsa amoyo.
Ogwira ntchito yokonza zinthu amachita chizolowezi pa chinthucho kuti chizigwira ntchito moyenera, mwachitsanzoample, kukhazikitsa mzere voltage kapena kusintha zinthu zogwiritsidwa ntchito. Njira zosamalira zimafotokozedwa muzolemba za ogwiritsa ntchito. Ndondomekozi zikuwonetseratu ngati wogwiritsa ntchitoyo angazigwiritse ntchito. Apo ayi, ziyenera kuchitidwa ndi ogwira ntchito.
Ogwira ntchito amaphunzitsidwa kugwira ntchito pamabwalo amoyo, kukhazikitsa zotetezeka, ndi kukonza zinthu. Ogwira ntchito ophunzitsidwa bwino okha ndi omwe angapange makhazikitsidwe ndi njira zothandizira.
Zogulitsa za Keithley zidapangidwa kuti zizigwiritsidwa ntchito ndi ma siginecha amagetsi omwe ali muyeso, kuwongolera, ndi kulumikizana kwa data I/O, yokhala ndi kupitilira kwakanthawi kochepa.tages, ndipo sayenera kulumikizidwa mwachindunji ndi mains voltage kapena voltagmagwero okhala ndi kuchulukira kwakanthawi kochepatages.
Kuyeza kwa Gulu II (monga momwe zafotokozedwera mu IEC 60664) zolumikizira zimafunikira chitetezo pakuwonjezereka kwakanthawi kochepa.tages nthawi zambiri imalumikizidwa ndi kulumikizana ndi main mains a AC. Zida zina zoyezera za Keithley zitha kulumikizidwa ndi mains. Zida izi zidzalembedwa ngati gulu II kapena kupitilira apo.
Pokhapokha zitaloledwa mwatsatanetsatane, m'mabuku ogwiritsira ntchito, ndi zilembo za zida, musalumikize chida chilichonse ku mains. Samalani kwambiri pakakhala vuto lodzidzimutsa. Lethal voltage ikhoza kukhalapo pa ma jeki olumikizira chingwe kapena zoyeserera.
Bungwe la American National Standards Institute (ANSI) limati ngozi yodzidzimutsa imakhalapo pamene voltage misinkhu yoposa 30 V RMS, 42.4 V peak, kapena 60 VDC alipo. Mchitidwe wabwino wachitetezo ndikuyembekezera kuti voliyumu yowopsatage alipo mu dera lililonse losadziwika asanayese.
Ogwiritsa ntchito mankhwalawa ayenera kutetezedwa ku kugwedezeka kwamagetsi nthawi zonse. Bungwe loyang'anira liyenera kuwonetsetsa kuti ogwiritsira ntchito akuletsedwa kulowa ndi/kapena kutsekeredwa pamalo aliwonse olumikizira. Nthawi zina, kulumikizana kuyenera kuwonetsedwa pazomwe zingatheke kukhudzana ndi anthu. Ogwira ntchito pazifukwa izi ayenera kuphunzitsidwa kuti adziteteze ku chiopsezo cha kugwedezeka kwa magetsi. Ngati dera limatha kugwira ntchito pa 1000 V kapena kuposa, palibe gawo loyendetsa dera lomwe lingawonekere.
Kuti mutetezeke kwambiri, musakhudze chinthucho, zingwe zoyesera, kapena zida zilizonse pomwe mphamvu ikugwiritsidwa ntchito kudera loyesedwa. NTHAWI ZONSE chotsani mphamvu pamayeso onse ndikutulutsa ma capacitor aliwonse musanalumikize kapena kutulutsa zingwe kapena ma jumper, kukhazikitsa kapena kuchotsa makadi osinthira, kapena kusintha mkati, monga kukhazikitsa kapena kuchotsa ma jumpers.
Osakhudza chinthu chilichonse chomwe chingapereke njira yamakono yopita ku mbali wamba ya dera loyesedwa kapena mzere wamagetsi (dziko lapansi). Nthawi zonse pangani miyeso ndi manja owuma mutayimirira pamalo owuma, otetezedwa kuti musapirire voltagndi kupimidwa.
Pachitetezo, zida ndi zowonjezera ziyenera kugwiritsidwa ntchito molingana ndi malangizo ogwiritsira ntchito. Ngati zida kapena zowonjezera zikugwiritsidwa ntchito m'njira yomwe sinafotokozedwe mu malangizo ogwiritsira ntchito, chitetezo choperekedwa ndi zidacho chikhoza kuwonongeka.
Musapitirire kuchuluka kwa zizindikiro za zida ndi zowonjezera. Miyezo yokulirapo yama siginecha imatanthauzidwa muzomwe zimapangidwira komanso zidziwitso zamagwiritsidwe ntchito ndikuwonetsedwa pamagulu a zida, mapanelo oyeserera, ndi makadi osinthira. Zolumikizira chassis ziyenera kugwiritsidwa ntchito ngati zolumikizira zishango poyezera mabwalo, OSATI ngati zolumikizira nthaka yoteteza (malo otetezedwa).
The CHENJEZO Mutu wa zolemba za ogwiritsa ntchito umafotokoza zoopsa zomwe zingapangitse munthu kuvulala kapena kufa. Nthawi zonse werengani mosamala zomwe zalumikizidwazo musanachite zomwe mwawonetsa.
The CHENJEZO mutu muzolemba za ogwiritsa ntchito umafotokoza zoopsa zomwe zingawononge chidacho. Kuwonongeka kotereku kumatha
kulepheretsa chitsimikizo.
The CHENJEZO mutu wokhala ndi chizindikiro muzolembedwa za ogwiritsa ntchito umafotokoza zoopsa zomwe zingayambitse kuvulala pang'ono kapena pang'ono kapena kuwononga chidacho. Nthawi zonse werengani mosamala zomwe zalumikizidwazo musanachite zomwe mwawonetsa.
Kuwonongeka kwa chida kungapangitse chitsimikizocho.
Zida ndi zowonjezera sizimalumikizidwa ndi anthu.
Musanayambe kukonza, chotsani chingwe cha mzere ndi zingwe zonse zoyesera.
Kuti mukhalebe otetezedwa ku kugwedezeka kwa magetsi ndi moto, zida zosinthira m'mabwalo akuluakulu - kuphatikiza chosinthira mphamvu, zowongolera zoyeserera, ndi ma jacks olowetsa - ziyenera kugulidwa kwa Keithley. Ma fuse okhazikika okhala ndi zilolezo zovomerezeka zachitetezo cha dziko atha kugwiritsidwa ntchito ngati mulingo ndi mtundu uli wofanana. Chingwe chamagetsi cha mains chomwe chingathe kuchotsedwa choperekedwa ndi chidacho chikhoza kusinthidwa ndi chingwe chamagetsi chofananira. Zina zomwe sizili zokhudzana ndi chitetezo zitha kugulidwa kwa ogulitsa ena bola ngati iwowo
ndizofanana ndi gawo loyambirira (zindikirani kuti magawo osankhidwa ayenera kugulidwa kokha kudzera mwa Keithley kuti asunge zolondola komanso magwiridwe antchito azinthuzo). Ngati simukutsimikiza za kugwiritsa ntchito chinthu china cholowa m'malo, imbani foni ku ofesi ya Keithley kuti mudziwe zambiri.
Pokhapokha zitadziwika m'mabuku okhudzana ndi malonda, zida za Keithley zidapangidwa kuti zizigwira ntchito m'nyumba zokha, m'malo otsatirawa: Altitude at or below 2,000 m (6,562 ft); kutentha 0 °C mpaka 50 °C (32 °F mpaka 122 °F); ndi digiri 1 kapena 2 kuipitsa.
Kuyeretsa chida, gwiritsani ntchito nsalu dampyomangidwa ndi madzi oyeretsedwa kapena choyeretsera chopanda madzi. Tsukani kunja kwa chida chokha. Osagwiritsa ntchito zotsukira pachidacho kapena kulola zamadzi kulowa kapena kutayikira pachidacho. Zogulitsa zomwe zimakhala ndi bolodi yopanda chikwama kapena chassis (monga bolodi yopezera deta kuti ikhazikike pakompyuta) zisamafunike kuyeretsedwa ngati zichitidwa motsatira malangizo. Ngati bolodi iipitsidwa ndipo ntchito ikukhudzidwa, bolodi iyenera kubwezeredwa kufakitale kuti iyeretsedwe bwino.
Kuwunikiridwa kwachitetezo chachitetezo kuyambira Juni 2018.

Zolemba / Zothandizira

KEITHLEY 7710 Multiplexer Module [pdf] Malangizo 7710 Multiplexer Module, 7710, Multiplexer Module, Module

Maumboni

• Buku Logwiritsa Ntchito