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Technical specifications for 7379A21G01
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Manufacturer:Emerson
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Product Category:DCS Systems
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Spare Part Number:7379A21G01
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Tariff Code:8537101190
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Counliy of origin:USA
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Product type:QAV analog input point card
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Group:G01
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Channel count:6
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Normal input range:-5 to +20 mVDC
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Reduced-accuracy range:-20 to +20 mVDC
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Maximum source impedance:500 ohms
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Resolution:13 bits including polarity
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Sample period:0.20 s at 60 Hz; 0.24 s at 50 Hz
Information
Overview
Manuals
Common Applications
Product Precautions
For WDPF Q-Line service, WESTINGHOUSE 7379A21G01 combines channel isolation, periodic calibration and buffered digital transfer. The G01 range, source impedance and connector assignment must remain matched during replacement.
- Six isolated analog channels
- -5 to +20 mV normal range
- 13-bit digital output
- Periodic auto-calibration
Prove the G01 low-level range channel by channel, preserving three-wire field routing, connector orientation and the selected line-frequency rejection setting.
Important Notice: Isolate all connected sensors before handling WESTINGHOUSE 7379A21G01.
WESTINGHOUSE 7379A21G01 Manuals & Downloads
WESTINGHOUSE 7379A21G01 Official Technical Reference Excerpt (PDF)WESTINGHOUSE 7379A21G01 Installation & Commissioning Guide (PDF)
The official excerpt supplies the G01 low-level input characteristics; the installation guide applies them to field wiring, line-frequency selection and six-channel acceptance.
Millivolt monitoring
Acquires six low-level process signals.
Thermocouple input service
Supports configured sensors within the G01 range.
Q-Line spare replacement
Maintains an installed QAV G01 channel set.
Calibration diagnosis
Separates field-signal, isolation, calibration and DIOB checks.
Preserve the G01 millivolt range, wiring map and line-frequency setting throughout the QAV replacement.
1
Isolate all connected sensors before handling WESTINGHOUSE 7379A21G01.
2
Match the complete G01 identity and installed QAV card level.
3
Record every channel range, polarity, shield and sensor assignment.
4
Keep the connected source impedance within the 500-ohm limit.
5
Preserve the configured 50/60 Hz operating selection where applicable.
6
Inspect both front-edge field and rear-edge DIOB connectors before seating.
7
Allow the warm-up and auto-calibration cycle to complete before evaluation.
8
Use traceable low-level signals to verify all commissioned channels.
Technical notes
WESTINGHOUSE 7379A21G01 is a six-channel Q-Line QAV analog input card for isolated low-level millivolt acquisition.
FAQ View All FAQ
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Which channel count belongs to WESTINGHOUSE 7379A21G01?It has six individually isolated analog input channels.
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What is the normal input range for WESTINGHOUSE 7379A21G01?The G01 normal range is -5 to +20 mVDC.
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Which extended range is available on WESTINGHOUSE 7379A21G01 at reduced accuracy?The reduced-accuracy range is -20 to +20 mVDC.
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What source impedance can be connected to WESTINGHOUSE 7379A21G01?The source impedance must not exceed 500 ohms.
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Which resolution is produced by WESTINGHOUSE 7379A21G01?The QAV output is a 13-bit word including polarity.
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How often does WESTINGHOUSE 7379A21G01 sample at 60 Hz?The documented 60 Hz sample period is 0.20 seconds.
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What does the isolated channel design provide for WESTINGHOUSE 7379A21G01?Each input is separated from the digital counting circuitry by an individual transformer isolation circuit.
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Which checks complete WESTINGHOUSE 7379A21G01 commissioning?Confirm range, polarity, source impedance, line-frequency selection, calibration status and controller indication for every channel.
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