Download Keithley -- 6517A -

V-Source
Out
Scanner
Inputs
Scanner Output
Input
Voltage Source
Scanner
Option
Preamp
and
Prescaler
A/D
Converter
Control
Scanner Control Out
Preamp Out
TRG
STB
DATA
CLK
I
S
O
O
P
T
O
8
Trigger
Select
Logic
Software
Trigger
Trigger
Delay
Control
Data Out
STB
DATA
CLK
ADC Data In
External Trigger,
Meter Complete,
Trigger Bus
Hardware
Trigger
ADC Data In
4
Digital I/O
68302
Digital
IEEE
Data
In (ISR)
GPIB
Front Panel Data In
Front Panel Data Out
Front Panel Clock
Front Panel Reset
IEEE
Data Out
(DMA)
IEEE-488 Bus
Front
Panel
Controller
5 Vdc
Troubleshooting
Figure 5-1
Model 6517A overall block diagram
5-3