Keithley 707 User manual

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MODEL 707
SWITCHING MATRIX
QUICK REFERENCE GUIDE
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INTRODUCTION
ThisquickreferenceguidecOntai”SdeScripfio”SOfVarious
features and information concerning the operation of the
Model 707. Also included are programming examples using
“alio”S controllers.
01988, Keithley Instruments, 1°C.
Instruments Division
Cleveland. Ohio, U.S.A.
Document Number: 707-903-01 Rev. A
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TABLE OF CONTENTS
SAFETYPRECAUTIONS ...................... 2
FRONT PANEL FAMlLlARlZATlON .............. 3
OlSPLAY MESSAGES,, ..................... 18
REAR PANEL FAM,L,ARlZATlON. .............. 20
,NSTALL,NG AND REMOVING CARDS .......... 25
MASTER,SLA”E SYSTEMS .................. 27
BASIC SWITCHING OPERATION. .............. 30
Selectins Make/Break and Break/Make Rows 31
Modifyilg a Relay Setup ............
storing Setup and Sending to Relays ...
IEEE-488 PROGRAMMING .............
Device-Dependent Commands ........
oata Formats .....................
Hit Key Commands ................
SRO Mask and Serial Poll Byte ........
staws Words. ....................
PROGRAMS ,.,..,......................
IBM PC/XT/AT with CEC PC < > 488
IBM PC,XT,AT with CEC PC< ,488 and ASYST
HP Mode, 9000 series 200,3OO.. 57
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SAFETY PRECAUTIONS
2. Inspect the connecting cables and test leads for possi~
ble wear, cracks, or breaks before each use.
3. For maximum safety. do not touch the test cables or any
iktrumenfs while power is applied to the circuit under
test. Turn off the power and discharge any capacitors
before connecting or disconnecting cables from rhe
InmiX car*.
5. Da not exceed the maximum allowable input of the
matrix cards. as defined in the specifications and operas
tion sections of their manual.
2
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FRONT PANEL
FAMILIARIZATION
POWER
AC power switch turm the unit on or off,
3
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CROSSPOINT DISPLAY GROUP
MEMORY--Displays a stared relay setup (from location
shown in MEMORY STEP field) on the crosspoint display
and lights the MEMORY indicator.
RELAYl~Oisplays the current relay setup an the crosspoint
display and lights the RELAYS indicator.
CROSSPOINT DISPLAY MODIFIED-Lights when changes
are made to the crosspaint display (by front panel keys or
light pen), making if different from the original configuration.
COPY DISPLAY--MEMORY--Capies the displayed cross-
point configuration to the location shown in the MEMORY
STEP field.
4
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COPY DISPLAY-RELAYS-Copies the displayed crosspoint
configuration to the relays.
AUTOMATIC (COPY DISPLAY--RELAYS)-When this LED
is lit. any change to the crosspoint display is sent to the
relays at the same time. The pushbutton toggles the LED
on and off. ITo affect chanae in memarv, displav must be
copied to memory.~
SCROLL GROUP
SCROLL A-If MEMORY indicator is lit, increments
MEMORY STEP field and displays setup on crosspoint LEDs.
If RELAYS indicator is lit. increments RELAY STEP field,
displays setup on crosspoint LEDs, and sends setup to
relays. Also used for scrolling up through a list of multiple
choice parameters.
SCROLL .-Same actions as the SCROLL A key except
that if decrements and SCrdS down.
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