Keithley 7158 Plug-In
Producent:
Model:
7158
Data:
1987
Kategoria:
Grupa:
Opis:
Low Current Scanner Card

Informacja

INTRODUCTION The Model 7158 Low Current Scanner Card has ten channels of paired single-pole single-throw (SPST), normally open (NO) relays. The card will switch any one of ten signals to one output, or switch one signal to any one of ten outputs. Signal HI is connected to signal LO (analog ground) when the scanner mainframe channel is open, and to output HI when the channel is closed. Signal LO is common to all ten channels and the output. An additional relay isolates all circuitry on the card from the output when no channel is closed. Features of the scanner card include: • Low offset current error (<1pA specified, <30fA typical). • Switching of AC or DC signals up to 100mA. • BNC input and output connectors. • Two outputs for daisy-chaining of Model 7158 cards. • Configurable for low current or low voltage switching. The Model 7158 is field-installable in the Models 705 and 706 scanner mainframes.

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Serwis i User Manual
Typ ręczny:
Serwis i User Manual
Strony:
46
Rozmiar:
1.16 Mbytes (1217536 Bytes)
Język:
english
Rewizja:
B
Ręczny ID:
7158-901-01
Data:
1990 06 01
Jakość:
Skanowany dokument, wszystko czytelne.
Data przesłania:
2018 08 25
MD5:
bf7844828767a45687d65b7bd4e2dc79
Pobrane:
442

Informacja

SECTION 1 - GENERAL INFORMATION 1.1 Introduction ... 1 1.2 Warranty Information ... 1 1.3 Manual Addenda ... 2 1.4 Safety Symbols and Terms ... 2 1.5 Unpacking and Inspection ... 2 1.6 Specifications ... 3 SECTION 2 - OPERATION 2.1 Introduction ... 5 2.2 Safety Precautions ... 5 2.2.1 High Impedance Considerations ... 5 2.2.2 Static Precautions ... 6 2.3 Connections and Cabling ... 6 2.4 Installation and Removal ... 8 2.5 Operation ... 10 2.5.1 Scanner Control of the Channels ... 11 2.5.2 Operation Notes ... 18 2.6 Applications ... 18 SECTION 3 - SERVICING INFORMATION 3.1 Introduction ... 25 3.2 Handling and Cleaning ... 25 3.3 Relay Replacement ... 26 3.4 Recommended Test Equipment ... 27 3.5 Offset Current Test ... 27 3.6 Contact Resistance Test ... 29 SECTION 4 - REPLACEABLE PARTS 4.1 Introduction ... 33 4.2 Parts Lists ... 33 4.3 Ordering Information ... 33 4.4 Factory Service ... 35 4.5 Component Layout and Schematic Diagram ... 35

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