Apparatuur informatie

Valhalla Scientific Inc. 2701 C Calibrator
Fabrikant:
Model:
2701 C
Datum:
1985
Categorie:
Groep:
Omschrijving:
Programmable Precision DC Voltage Calibrator
Service-en gebruikershandleiding
Handleidingen type:
Service-en gebruikershandleiding
Pagina’s:
68
Grootte:
2.85 Mbytes (2991588 Bytes)
Taal:
english
Herziening:
Handleidingen-ID:
Datum:
01 december 1985
Kwaliteit:
Gescand document alle leesbaar.
Upload datum:
14 april 2017
MD5:
fa5357fb44080b455e35e6477e37e7cc
Downloads:
1011

Informatie

. ... 9-2 9.3.3 Finding the Faulty Component. ... 9-2 SECTION X - THEORY OF OPERATION 10.1 General. ... ... 10-1 10. 2 Functional Description* ... .: ... 10-1 10.2.1 Microprocessor ... 10-1 10. 2. 2 IEEE ... ... 10-1 10.2.3 Display ... ... 10-1 10.2.4 Keyboard ... ... 10-1 10.2.5 D-to-A Convertor ... 10-1 10.2.6 Relay Dr ... 10-1 10.2.7 Sense Feedback ... ... 10-2 10. 2. 8 Output Dr i ve ... 10-2 10.2.9 Current Drive ... ... 10-2 10.2.10 Power Supply ... . ... ... 10-2 10. 3 Detailed Description. ... . ... 10-2 10.3.1 Microprocessor ... ... ... 10-2 10.3.2 IEEE ... ... ... 10-3 10.3.3 Display ... ... 10-4 10.3. 4 Keyboard. ... 10-4 10.3.5 D-to-A Convertor ... ... 10-4 10.3.6 Relay Drives ... ... ... 10-5 10.3.7 Sense Feedback ... ... 10-5 10. 3.8 Output Drive ... ... 10-6 10.3.9 Current Drive ... ... ... 10-6 10.3.10 Power Supply ... ... ... 10-6 10. 4 Relay Select ions ... ... ... 10-7 10.5 Operation of Microprocessor Software ... 10-8 10.5.1 Power-on Reset Routine ... ... 10-8 10.5.2 Main Executive Duties ... ... 10-8 10.5.3 Interrupt Routines ... ... 10-9 10.5.4 Individual "Action" Routines ... 10-9 SECTION XI ~ PERFORMANCE VERIFICATION General. ... ... 11-1 Verification of Operation. ... 11-1 Ver ificat ion of Specification. ... .. . 11-1 SECTION XII - USEFUL HINTS 12.1 Getting the Most Out of Your 2701C ... 12-1 12. 2 Dielectric Storage in Cabling ... ... 12-2 LIST OF FIGURES Figures are inserted in this manual at the end of the corresponding section. Figure 1-1 AC Power Voltage Selection Figure 4-1 Front Panel Controls and Connectors Figure 5-1 Rear Panel Controls and Connectors Figure 6-1 Using the 2701C to calibrate a Voltmeter Figure 10-1 Block diagram of the 2701C Figure 10-2 Simplified Output and Sense System SECTION XIII - MANUAL CHANGE INFORMATION SECTION XIV - SCHEMATIC AMD ASSEMBLY DIAGRAMS 2701-403 2701-404 2701-075 2701-605 2701-076 2701-606 2701-077 2701-607 2701“405 (1 sheet ) Chassis Assembly (1 sheet ) Rear Panel Assembly (4 sheets) Main PCB Schematic (1 sheet) Main PCB Assembly (1 sheet) Display PCB Schematic (1 sheet) Display PCB Assembly (1 sheet) IBBE/lRP PCB Schematic (1 sheet) IEEE/lRP PCB Assembly (1 sheet) IEEE/lRP Installation Assembly SECTION XV ~ PARTS LISTS 2701-403 (3 sheets) Chassis Assembly 2701-404 (1 sheet) Rear Panel Assembly 2701-605 (6 sheets) Main PCB Assembly 2701-406 (2 sheet) Option IT-2 2701-606 (2 sheets) Display PCB Assembly 2701-607 (2 sheets) IEEE/lRP PCB Assembly 2701-405 (1 sheet) IEEE/lRP Installation Assembly

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