Keithley 6517B Reference Manual

Model 6517B Electrometer Reference Manual Appendix D: IEEE-488 bus overview
6517B-901-01 Rev. C / August 2015 D-13
Universal command group
ATN = Attention
DCL = Device clear
IFC = Interface clear
REN = Remote enable
SPD = Serial poll disable
SPE = Serial poll enable
Address command group
LISTEN
TALK
LAG = Listen address group
MLA = My listen address
UNL = Unlisten
TAG = Talk address group
MTA = My talk address
UNT = Untalk
OTA = Other talk address
Addressed command group
ACG = Addressed command group
GTL = Go to local
SDC = Selective device clear
Status command group
RQS = Request service
SRQ = Serial poll request
STB = Status byte
EOI = End

Keithley 6517B Specifications

General

Input Impedance	>200 TΩ
Electrometer Type	Electrometer/High Resistance Meter
Current Measurement Range	20 fA to 20 mA
Display	Vacuum Fluorescent Display
Communication Interfaces	IEEE-488 (GPIB), RS-232
Power Supply	100 V / 120 V / 220 V / 240 V; 50 Hz / 60 Hz
Resistance Measurement Range	Up to 200 TΩ