Ib-point Phab Ntsa Mounted Gas Alarm
● Sensor: catalytic combustion
● Lub sij hawm teb: ≤40s (hom pa)
● Cov qauv ua haujlwm: ua haujlwm tsis tu ncua, siab thiab qis lub tswb (tuaj yeem teeb tsa)
● Analog interface: 4-20mA teeb liab tso zis [xaiv]
● Digital interface: RS485-bus interface [xaiv]
● Zaub hom: Graphic LCD
● Alarming hom: Suab tswb - siab dua 90dB;Lub tswb nrov - Siab siv strobes
● Tso zis tswj: relay tso zis nrog ob txoj kev ceeb toom tswj
● Ntxiv muaj nuj nqi: lub sij hawm tso saib, daim ntawv qhia hnub zaub
● Cia: 3000 cov ntaub ntawv tswb
● Ua haujlwm fais fab: AC95 ~ 265V, 50/60Hz
● Kev siv hluav taws xob: <10W
● Dej pov thawj: IP65
● Kub ntau: -20 ℃ ~ 50 ℃
● Humidity range: 10 ~ 90％ (RH) Tsis muaj condensation
● Kev txhim kho hom: kev txhim kho phab ntsa
● Cov txheej txheem loj: 335mm × 203mm × 94mm
● Nyhav: 3800g
Table 1: Technical parameters of gas-detecting
| Roj | Technical Parameters | ||||
| Tswb point I | Tswb point II | Ntsuas ntau yam | Kev daws teeb meem | Chav tsev | |
| F-01 | F-02 | F-03 | F-04 | F-05 | |
| EX | 25 | 50 | 100 | 1 | %LEL |
| O2 | 18 | 23 | 30 | 0.1 | %VOL |
| CO | 50 | 150 | 2000 | 1 | ppm ua |
| 1000 | 1 | ppm ua | |||
| H2S | 10 | 20 | 200 | 1 | ppm ua |
| H2 | 35 | 70 | 1000 | 1 | ppm ua |
| SO2 | 5 | 10 | 100 | 1 | ppm ua |
| NH3 | 35 | 70 | 200 | 1 | ppm ua |
| NO | 10 | 20 | 250 | 1 | ppm ua |
| TSIS MUAJ 2 | 5 | 10 | 20 | 1 | ppm ua |
| CL2 | 2 | 4 | 20 | 1 | ppm ua |
| O3 | 2 | 4 | 50 | 1 | ppm ua |
| PH 3 | 5 | 10 | 100/1000 | 1 | PPM |
| 1 | 2 | 20 | 1 | ppm ua | |
| ETO | 10 | 20 | 100 | 1 | ppm ua |
| HCHO | 5 | 10 | 100 | 1 | ppm ua |
| VOC | 10 | 20 | 100 | 1 | ppm ua |
| C6H6 | 5 | 10 | 100 | 1 | ppm ua |
| CO2 | 2000 | 5000 | 50000 | 1 | ppm ua |
| 0.2 | 0.5 | 5 | 0.01 ib | VOL | |
| HCL | 10 | 20 | 100 | 1 | ppm ua |
| HF | 5 | 10 | 50 | 1 | ppm ua |
| N2 | 82 | 90 | 70-100 ib | 0.1 | %VOL |
ALA1 Lub tswb qis
ALA2 Lub tswb nrov
Prev Yav dhau los
Teem Parameter nqis
Com Teeb Kev Sib Txuas Lus
Tus naj npawb
Calibration
Addr Chaw Nyob
Ver
Min feeb
1. Phab ntsa-mounted ntes ib lub tswb
2. 4-20mA tso zis module (xaiv)
3. RS485 tso zis (xaiv)
4. Daim ntawv pov thawj ib
5. Phau ntawv ib
6. Kev txhim kho ib qho
6.1 ntaus ntawv txhim kho
Kev txhim kho qhov ntev ntawm cov cuab yeej yog pom hauv daim duab 1.Firstly, xuas nrig ntaus ntawm qhov siab ntawm phab ntsa, txhim kho cov ntsia liaj qhov rooj nthuav dav, tom qab ntawd kho nws.
Daim duab 1: txhim kho qhov ntev
6.2 Output hlau ntawm relay
Thaum cov roj concentration siab tshaj qhov ceeb toom qhov pib, lub relay hauv lub cuab yeej yuav qhib / tawm, thiab cov neeg siv tuaj yeem txuas cov cuab yeej txuas xws li kiv cua. Daim duab siv tau pom hauv daim duab 2.
Kev sib cuag qhuav yog siv nyob rau hauv lub roj teeb sab hauv thiab cov cuab yeej yuav tsum tau txuas nrog rau sab nraud, ua tib zoo saib xyuas kev siv hluav taws xob zoo thiab ceev faj txog hluav taws xob poob siab.
Daim duab 2: thaiv kev siv cov duab ntawm relay
Muab ob lub relay outputs, ib qho yog ib txwm qhib thiab lwm qhov ib txwm kaw. Daim duab 2 yog schematic saib ntawm ib txwm qhib.
6.3 4-20mA tso zis thaiv [xaiv]
Phab ntsa-mounted roj ntes thiab tswj txee (lossis DCS) txuas ntawm 4-20mA Tam sim no teeb liab. Lub interface qhia hauv daim duab 4:
Daim duab 3: Aviation plug
4-20mA cov kab hluav taws xob sib txuas tau pom hauv Table2:
Table 2: 4-20mA thaiv cov lus sib tham
| Tus lej | Muaj nuj nqi |
| 1 | 4-20mA teeb liab tso zis |
| 2 | GND |
| 3 | Tsis muaj |
| 4 | Tsis muaj |
4-20mA txuas daim duab qhia hauv daim duab 4:
Daim duab 4: 4-20mA kev sib txuas daim duab
Txoj kev khiav ntawm kev sib txuas leads yog raws li nram no:
1. rub lub aviation plug tawm ntawm lub plhaub, unscrew lub hau ntswj, tawm hauv lub core core cim "1, 2, 3, 4".
2. Muab 2-core shielding cable los ntawm cov tawv nqaij sab nrauv, tom qab ntawd raws li Table 2 davhlau ya nyob twg txhais cov vuam hlau thiab cov khoom siv hluav taws xob.
3. Txhim kho cov khoom mus rau qhov chaw qub, nruj tag nrho cov ntsia hlau.
4. Muab lub ntsaws rau hauv lub qhov (socket), thiab tom qab ntawd kaw kom nruj.
Daim ntawv ceeb toom:
Raws li kev ua cov txheej txheem ntawm shielding txheej ntawm cable, thov ua tiav ib qho kawg kev sib txuas, txuas shielding txheej ntawm maub los kawg nrog lub plhaub Yuav kom tsis txhob cuam tshuam.
6.4 RS485 txuas coj [xaiv]
Lub cuab yeej tuaj yeem txuas tus tswj lossis DCS los ntawm RS485 npav. Kev sib txuas txoj kev zoo sib xws 4-20mA, thov xa mus rau 4-20mA kab kos duab.
Cov cuab yeej muaj 6 lub nyees khawm, cov kua siv lead ua kua, cov khoom siv tswb (alarm teeb, buzzer) tuaj yeem ntsuas tau, teeb tsa lub tswb ntsuas thiab nyeem cov ntaub ntawv tswb. Cov cuab yeej muaj lub cim xeeb ua haujlwm, thiab nws tuaj yeem sau lub xeev thiab lub sijhawm tswb raws sijhawm. Cov haujlwm tshwj xeeb thiab kev ua haujlwm tau qhia hauv qab no.
7.1 Khoom piav qhia
Thaum lub cuab yeej yog powered on, nws yuav nkag mus rau cov zaub interface. Cov txheej txheem tau qhia hauv daim duab 5.
Daim duab 5:Khau raj zaub interface
Kev ua haujlwm ntawm cov cuab yeej pib yog tias thaum qhov ntsuas ntawm cov cuab yeej ruaj khov, nws yuav preheat lub ntsuas ntsuas. X% yog tam sim no khiav lub sij hawm, lub sij hawm khiav yuav txawv raws li hom sensors.
Raws li pom hauv daim duab 6:
Daim duab 6: Zaub interface
Thawj kab qhia pom lub npe, qhov concentration qhov tseem ceeb yog qhia nyob rau hauv nruab nrab, chav tsev yog qhia nyob rau sab xis, xyoo, hnub tim thiab lub sij hawm yuav qhia ib ncig.
Thaum ceeb toom tshwm sim,
yuav pom nyob rau sab xis sab xis, lub buzzer yuav buzz, lub tswb yuav twinkle, thiab relay teb raws li qhov chaw; Yog tias koj nias lub suab kaw, lub icon yuav dhau los
, lub buzzer yuav nyob twj ywm, tsis muaj lub tswb icon tsis tshwm sim.
Txhua ib nrab ib teev, nws txuag cov concentration tam sim no. Thaum lub xeev ntawm lub tswb hloov, nws sau nws. Piv txwv li, nws hloov ntawm ib txwm mus rau qib ib, los ntawm qib ib mus rau qib ob lossis qib ob mus rau qhov qub. Yog tias nws tseem ceeb, kev kaw yuav tsis tshwm sim.
7.2 Muaj nuj nqi ntawm cov nyees khawm
Khawm ua haujlwm tau qhia hauv Table 3.
Table 3: Muaj nuj nqi ntawm cov nyees khawm
| Khawm | Muaj nuj nqi |
 | Tso saib lub interface raws sij hawm thiab Nias lub pob hauv cov ntawv qhia zaub mov Nkag mus rau cov ntawv qhia me nyuam Txiav txim siab tus nqi |
 | Ntshai Rov qab mus rau qhov qub zaub mov |
 | Xaiv cov ntawv qhia zaub movHloov cov parameter |
 | Xaiv cov ntawv qhia zaub mov Hloov cov parameter |
 | Xaiv qhov teeb tsa tus nqi kab Txo tus nqi teeb tsa Hloov tus nqi teeb tsa. |
 | Xaiv qhov teeb tsa tus nqi kab Hloov tus nqi teeb tsa. Nce tus nqi teeb tsa |
7.3 Txheeb xyuas qhov ntsuas
Yog tias muaj qhov xav tau kom pom cov roj tsis muaj roj thiab cov ntaub ntawv kaw, koj tuaj yeem ua ib tus neeg ntawm plaub lub xub nyees khawm kom nkag mus rau qhov ntsuas ntsuas qhov cuam tshuam ntawm qhov concentration zaub interface.
Piv txwv li, niaskom pom cov interface hauv qab no. Raws li pom hauv daim duab 7:
Daim duab 7: Gas parameters
Pressnkag mus rau lub cim xeeb interface (Daim duab 8), niastxhawm rau nkag mus rau qhov kev ceeb toom tshwj xeeb kaw lus interface (Daim duab 9), niasrov qab mus kuaj pom cov interface.
Daim duab 8: lub xeev nco
Txuag Num: Tag nrho cov ntaub ntawv khaws cia.
Fold Num: Thaum cov ntaub ntawv sau tiav, nws yuav pib los ntawm thawj daim npog cia, thiab cov kev pabcuam suav yuav ntxiv 1.
Tam sim no Num: Qhov Performance index ntawm Tam sim no cia
Xovxwmlos yogmus rau nplooj ntawv tom ntej, cov ntaub ntawv ceeb toom yog nyob rau hauv daim duab 9
Daim duab 9:khau raj ntaub ntawv
Tso tawm los ntawm cov ntaub ntawv kawg.
Daim duab 10:tswb teev
Xovxwmlos yogmus rau nplooj ntawv tom ntej, niasrov qab mus rau qhov nrhiav pom interface.
Lus Cim: Thaum kuaj xyuas qhov tsis muaj, tsis nias ib qho yuam sij rau 15s, qhov ntsuas yuav cia li rov qab mus rau qhov kev kuaj pom thiab tso saib interface.
7.4 Cov ntawv qhia ua haujlwm
Thaum nyob rau hauv lub sijhawm tiag tiag concentration zaub interface, niasnkag mus rau cov ntawv qhia zaub mov. Cov ntawv qhia zaub mov interface tau pom hauv daim duab 11, nias or xaiv tej kev ua haujlwm interface, niasnkag mus rau qhov no function interface.
Daim duab 11: Main menu
Cov lus piav qhia ua haujlwm:
Teem Para: Sijhawm teeb tsa, ceeb toom tus nqi teeb tsa, ntaus ntawv calibration thiab hloov hom.
Com Teeb: Kev sib txuas lus tsis sib txuas.
Hais txog: Lub version ntawm ntaus ntawv.
Rov qab: Rov qab mus rau qhov chaw kuaj pom roj.
Tus lej nyob rau sab xis yog lub sijhawm suav rov qab, thaum tsis muaj qhov tseem ceeb ua haujlwm 15 vib nas this tom qab, yuav tawm hauv cov ntawv qhia zaub mov.
Daim duab 12:System teeb tsa zaub mov
Cov lus piav qhia ua haujlwm:
Teem Sijhawm: Lub sijhawm teeb tsa, suav nrog xyoo, hli, hnub, teev thiab feeb
Tswb Tswb: Teeb tsa tus nqi tswb
Ntaus Cal: Ntaus calibration, suav nrog xoom taw tes kho, kho cov roj calibration
Teem Relay: Teem lub relay tso zis
7.4.1 Teem sijhawm
Xaiv "Teem Sijhawm", niasnkag. Raws li daim duab 13 qhia:
Daim duab 13: Lub Sijhawm teeb tsa zaub mov
Icon
yog xa mus rau tam sim no xaiv los kho lub sijhawm, nias or hloov cov ntaub ntawv. Tom qab xaiv cov ntaub ntawv, niasorxaiv los tswj lwm lub sijhawm ua haujlwm.
Cov lus piav qhia ua haujlwm:
● Xyoo teeb tsa thaj tsam 18 ~ 28
● Lub hli teem ntau yam 1 ~ 12
● Hnub teem ntau yam 1 ~ 31
● Teev teev ntau yam 00 ~ 23
● feeb teem ntau yam 00 ~ 59.
Xovxwmlos txiav txim qhov teeb tsa cov ntaub ntawv, Xovxwmtshem tawm, rov qab mus rau qib qub.
7.4.2 Tswb
Xaiv "Teeb Tswb", niasnkag. Cov khoom siv roj combustible hauv qab no los ua piv txwv. Raws li pom hauv daim duab 14:
Daim duab 14: Combustible gas tswb tus nqi
Xaiv Low tswb nqi yog teem, thiab ces niasnkag mus rau cov ntawv qhia zaub mov.
Daim duab 15:Teeb tsa tus nqi tswb
Raws li pom hauv daim duab 15, niasorHloov cov ntaub ntawv me me, niasorkom nce lossis txo cov ntaub ntawv.
Tom qab ua tiav cov txheej txheem, nias, paub meej tias tus lej interface rau hauv lub tswb tus nqi, niaskom paub meej tias, tom qab ua tiav ntawm Cov Chaw hauv qab no 'kev vam meej', whereas tip 'failure', raws li qhia hauv daim duab 16.
Daim duab 16:Teeb tsa kev vam meej interface
Nco tseg: teeb tsa tus nqi tswb yuav tsum me dua li lub Hoobkas qhov tseem ceeb (oxygen qis qis tus nqi tswb yuav tsum ntau dua li lub Hoobkas teeb tsa); txwv tsis pub, nws yuav raug teeb tsa ua tsis tiav.
Tom qab theem teeb tiav lawm, nws rov qab mus rau lub tswb tus nqi teeb tsa hom kev xaiv interface raws li qhia hauv daim duab 14, txoj kev ua haujlwm thib ob yog tib yam li saum toj no.
7.4.3 Cov khoom siv calibration
Nco tseg: powered on, pib lub rear kawg ntawm xoom calibration, calibration gas, kho yuav tsum tau kho thaum xoom huab cua calibration dua.
Parameter Settings -> calibration khoom, sau tus password: 111111
Daim duab 17: Input password menu
Kho tus password rau hauv calibration interface.
Daim duab 18: Kev xaiv Calibration
● Zero calibration
Hla mus rau hauv tus qauv roj (Tsis muaj oxygen), xaiv 'Zero Cal' muaj nuj nqi, ces niasnyob rau hauv lub zero calibration interface. Tom qab txiav txim siab cov roj tam sim no tom qab 0% LEL, niaskom paub meej, hauv qab nruab nrab yuav tso saib 'Zoo' vice display 'Fail' .Raws li qhia hauv daim duab 19.
Daim duab 19: Xaiv xoom
Tom qab ua tiav ntawm xoom calibration, niasrov qab mus rau calibration interface. Lub sijhawm no, cov roj calibration tuaj yeem xaiv tau, lossis rov qab mus rau qhov sib txuas ntawm qhov ntsuas roj los ntawm qib, lossis hauv kev suav rov qab, thaum twg lub pob tsis raug nias thiab lub sijhawm txo mus rau 0, nws cia li tawm cov ntawv qhia zaub mov rov qab rau cov roj. nrhiav pom interface.
● Gas calibration
Yog tias xav tau cov roj calibration, qhov no yuav tsum tau ua haujlwm nyob rau hauv ib puag ncig ntawm cov qauv roj.
Hla mus rau hauv cov qauv roj, xaiv 'Full Cal' muaj nuj nqi, niasnkag mus rau cov roj ntom ntom ntu interface, dhau los or or teeb qhov ceev ntawm cov roj, piv txwv li tias qhov ntsuas ntsuas yog methane roj, cov roj ceev yog 60, lub sijhawm no, thov teem rau '0060'. Raws li pom hauv daim duab 20.
Daim duab 20: Confirmation interface
Tom qab teeb tsa tus qauv roj ceev, nias, rau hauv calibration gas interface, raws li qhia hauv daim duab 21:
Daim duab 21: Graws li calibration
Tso tawm qhov ntsuas tam sim no ntsuas qhov ntsuas roj, cov yeeb nkab hauv cov pa roj. Thaum lub countdown tau mus rau 10, niasmus calibrate manually. Los yog tom qab 10s, roj cia li calibrates. Tom qab ib tug ua tiav interface, nws qhia 'Zoo' thiab vice, tso saib 'Fail'.
● Relay Teeb:
Relay tso zis hom, hom tuaj yeem xaiv rau ib txwm lossis mem tes, ib yam li qhov pom hauv daim duab 22:
Ib txwm: thaum tswb tshwm sim, relay yuav ua kom ua haujlwm.
Pulse: Thaum lub tswb tshwm sim, relay yuav ua haujlwm thiab tom qab lub sijhawm Pulse, lub relay yuav raug txiav.
Teem raws li cov khoom sib txuas.
Daim duab 22: Hloov hom xaiv
Nco tseg: Lub neej ntawd teeb tsa yog ib txwm hom tso zis
7.4.4 Kev sib txuas lus teeb tsa:
Teem cov tsis muaj feem cuam tshuam txog RS485
Daim duab 23: Kev teeb tsa kev sib txuas lus
Addr: chaw nyob ntawm cov khoom siv qhev, thaj tsam: 1-255
Hom: nyeem nkaus xwb, Kev Cai (tsis yog tus qauv) thiab Modbus RTU, daim ntawv cog lus tsis tuaj yeem teeb tsa.
Yog tias RS485 tsis tau nruab, qhov teeb tsa no yuav tsis ua haujlwm.
7.4.5 Nws
Cov ntaub ntawv xov xwm ntawm cov khoom siv tau pom nyob hauv daim duab 24
Daim duab 24: Cov Lus Qhia Version
Lub sijhawm lav ntawm cov cuab yeej ntsuas roj ua los ntawm kuv lub tuam txhab yog 12 lub hlis thiab lub sijhawm lav siv tau los ntawm hnub xa khoom. Cov neeg siv yuav tsum ua raws li cov lus qhia. Vim kev siv tsis raug, lossis kev ua haujlwm tsis zoo, qhov ntsuas kev puas tsuaj tshwm sim tsis nyob rau hauv qhov kev lees paub.
1. Ua ntej siv lub ntsuas, thov nyeem cov lus qhia kom zoo.
2. Kev siv cov cuab yeej siv yuav tsum ua raws li cov cai teev tseg hauv phau ntawv ua haujlwm.
3. Cov cuab yeej tu thiab hloov cov khoom yuav tsum tau ua los ntawm peb lub tuam txhab lossis ib ncig ntawm lub qhov.
4. Yog tias tus neeg siv tsis ua raws li cov lus qhia saum toj no los kho khau raj lossis hloov qhov chaw, qhov kev ntseeg siab ntawm cov cuab yeej yuav tsum yog lub luag haujlwm ntawm tus neeg teb xov tooj.
5. Kev siv cov cuab yeej yuav tsum ua raws li cov tuam tsev hauv tsev thiab cov kev cai tswj xyuas cov khoom siv hauv lub hoobkas.
Cov khoom lag luam ntsig txog
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