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4-6
6. Program the Model 6517A voltage source for 20V, and
make sure the internal voltage source connection mode
is selected.
7. Turn on the Model 6517A voltage source, and allow the
reading to settle.
8. Verify that the Model 6517A resistance reading is
>1G
Ω
.
9. Turn off the voltage source, and open channels 1 and 5.
10. Repeat steps 1 through 9 for isolation between multi-
plexers A and C and between B and C:
• Multiplexers A and C: use channels 1 and 9.
• Multiplexers B and C: use channels 5 and 9.
WARNING:
NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
WARNING:
NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
INPUT
250V PEAK
!
LINE RATING
50-60HZ
50VA MAX
AC ONLY
LINE FUSE
SLOWBLOW
1/2A 90-125V
1/4A 180-250V
IEEE-488
(CHANGE IEEE ADDRESS
WITH FRONT PANEL MENU)
DIGITAL
I/O
TRIG LINK
1
15V
LO
HI
RS232
!
MADE
IN
U.S.A.
PREAMP OUT
250 PEAK
COMMON
2V ANALOG
OUTPUT
TEMP
TYPE K
HUMIDITY
OPTION SLOT
V SOURCE
EXT TRIG
IN
MTR COMP
OUT
INTERLOCK
SELECTED
LINE VOLTAGE
90-110V
105-125V
180-220V
210-250V
1010V
PEAK
750V
PEAK
IN1
IN2
IN3
IN4
OUTA
IN5
IN6
IN7
IN8
OUTB
IN9
IN10
IN11
IN12
OUTC
Model 7038
Triax Cable
Input
Voltage Source High
Model 6517 Electrometer
Note: Configure electrometer for
internal voltage source
connection.
Connect to center of connector
Mini SMB-to-BNC-to-Triax adapter
Figure 4-4
Connections for multiplexer-to-multiplexer isolation tests
Содержание 7038
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Страница 41: ...Keithley Instruments Inc 28775 Aurora Road Cleveland Ohio 44139 Printed in the U S A...