Nomen producti: QAV Analog Input Card
Nomen marcae: Westinghouse
Numerus exemplaris: 7379A21G01
Locus originis: USA
Warranty: 12 menses
Whatsapp ：+86 18020776782
Electronicum ：[email protected]
Descriptio
The WESTINGHOUSE 7379A21G01 is a member of the Q-Line QAV series, designed specifically for use in Westinghouse WDPF and Emerson Ovation distributed control systems. It features six individually isolated channels that utilize voltage-to-frequency conversion to process analog signals. The card is engineered for robust industrial performance, integrating auto-zero and auto-gain correction to eliminate the need for mechanical potentiometers, ensuring consistent accuracy in turbine generator control and critical process automation.
Praecipua functio
The WESTINGHOUSE 7379A21G01 functions as a high-precision analog-to-digital converter for industrial control systems. It accepts analog field signals (millivolt range), performs signal conditioning, electrical isolation, and auto-calibration, and outputs processed digital data to the Distributed Input/Output Bus (DIOB) for system-wide monitoring and control.
Conditiones Commercii
Minimum quantitas ordinis |
1 piece |
Pretium |
Contactus pro Winnie |
Singula Packaging |
Originales nova Officina Sigillata |
Tempus Traditionis |
3–7 dies |
Condiciones solutionis |
T/T |
Shipping modum |
DHL / FedEx / UPS / TNT |
Capacitas Supplicandi |
In stirpe |
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Fabricator |
Westinghouse |
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Genus moduli |
QAV Analog Input Card |
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Numerus partis |
7379A21G01 |
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Tensio Primaria |
12.4 VDC (Min) to 13.1 VDC (Max) |
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Consumptio potentiae |
13.0 Watts (Nominal) to 15.7 Watts (Max) |
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Currens Alimentationis Electricae |
1.0 ADC (Nominal) to 1.2 ADC (Max) |
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Input Range (G01/G07) |
-5 to +20 mVDC (-20 to +20 mVDC at reduced accuracy) |
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Input impedimentum |
10^7 Ω/Volt (Normal); 10^3 Ω (Overload) |
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Resolutio |
13-bit (including polarity bit) |
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Sampling Rate (60Hz) |
4 exemplaria/secundum |
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Frequentia exemplorum (50 Hz) |
3.4 exemplaria/secundum |
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Reiectio Modi Communis |
120 dB (ad DC et frequentiam lineae cum QTB) |
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Temperatura operationis |
Conditiones referentiales: 25°C ± 1°C |
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Venditiones: |
Epistula Electronica: |
Whatsapp: |
|
Jim |
Protectio contra impulsum: Satisfacit specificatibus testuum IEEE/SWC pro capacitate sustinendi impulsum.
Examinatio automatica rationabilitatis: Controllationes periodicae super intrationes corticatae ad detegendos defectus cardinis vel canalis.
Reiectio modi normalis: Alta reiectio rumoris ad 50/60 Hz, ulterius aucta cum usus QTB pro exploratione frequentiae lineae.
Configuratio versatilis: Supportatio operationis ad 50/60 Hz per selectionem per iuncturam (Nivel VI et antea) aut per interruptores DIP (Nivel VIII et postea).
Detectio thermocoupli aperti: Circuitus integratus pro detegendo circuitu thermocoupli aperto (non disponibilis in variantibus G04/G05).
Scenaria Applicationis: Principaliter adhibetur in plantis generationis electricitatis, refineriis olei et gas, processibus chemicis, et molendinis papyri pro controllo turbinum et monitoratione criticorum industrialium circuituum.
Monitoratio et Controlus: WESTINGHOUSE 7379A21G01 communicat per DIOB, praebens controlleri systematis data numerica bruta, bitos signi, indicatores supra-intervallum, et signa status valetudinis (IMOK).
Compatibilitas et Interoperabilitas: Plene compatibilis cum controlleribus WDPF/Ovation DIOB; interoperat cum cartis QTB pro traciendo frequentia in variationibus lineae electricae.
Praestantia et Efficiencia: Utitur stabili horologio internae frequentiae et conversione ducta a microcomputatore ut servet accuratiam referentiae ±0.10% valoris superioris intervalli.
Operans Opera: Designatus est pro montatura in standardi Q-line cartarum cage; requirit stabilem supplitum potentiae DC et observantiam condicionum specificatarum humiditatis et temperaturae pro accuratia nominata.
Installatio et Integratio: Interfacing is achieved via a 34-pin rear-edge backplane connector for DIOB and a 56-pin front-edge connector for field signal termination, including address-protection jumpers.
The WESTINGHOUSE 7379A21G01 must be configured via address jumpers or DIP switches to match the system DIOB controller requirements to ensure proper channel addressing. For WESTINGHOUSE 7379A21G01 units with prefixes of 5 or greater, multiple channel offset errors will not trigger the "IMOK" hardware trouble bit, requiring careful diagnostic monitoring by the system controller.
Q: How does the WESTINGHOUSE 7379A21G01 perform diagnostic self-checks?
A: The WESTINGHOUSE 7379A21G01 microcomputer periodically performs auto-calibration cycles, measuring two known potentials (0 VDC and a stable gain reference) to calculate correction factors and verify reasonability.
Q: Can the WESTINGHOUSE 7379A21G01 be used in systems with large power line frequency variations?
A: Yes, sed WESTINGHOUSE 7379A21G01 requirit cardinam QTB in talibus installationibus ut reiectio normalis modi alta et conversio signorum accurata maneat.
Q: Quid significat zero logicum in bito 15 (bitus IMOK) pro WESTINGHOUSE 7379A21G01?
A: Zero logicum in bito 15 indicat molestiam hardware, calorem non completum, aut quod factores offset calibraturae auto-zero pro WESTINGHOUSE 7379A21G01 extra limites rationabiles sint.
Q: Quid faciendum est si LED in WESTINGHOUSE 7379A21G01 continue micat?
A: Primum, assevera ut alimenta DIOB intra tolerantiam sint et verificare ut interruptor DIP (in cartis Nivelis 8+ ) ad configurationem validam sit positus; si LED WESTINGHOUSE 7379A21G01 manet abnormalis, ad reficiendum peritus redire debet.
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