Keithley 6430 User Manual

D IEEE-488 Bus Overview
Figure D-1 IEEE-488 bus configuration .................................................. D-3
Figure D-2 IEEE-488 handshake sequence ............................................. D-6
Figure D-3 Command codes .................................................................. D-11
F Measurement Considerations
Figure F-1 Floating measurements .......................................................... F-2
Figure F-2 Guarding an ionization chamber ............................................ F-4
Figure F-3 Voltage burden ....................................................................... F-9
Figure F-4 Overload protection for ammeter input ............................... F-10
Figure F-5 Meter loading ....................................................................... F-11
Figure F-6 Effects of input capacitance ................................................. F-12
Figure F-7 Settling time ......................................................................... F-12
Figure F-8 Power line ground loops ...................................................... F-14
Figure F-9 Eliminating ground loops .................................................... F-14
G GPIB 488.1 Protocol
Figure G-1 IEEE-488 handshake sequence ............................................. G-4

Keithley 6430 Specifications

General

Type	Sub-Femtoamp Remote SourceMeter
Compliance Voltage	200 V
Maximum Output Voltage	200 V
Maximum Output Current	100 mA
Compliance Limit	Programmable
Interface	GPIB, RS-232
Input Impedance	>10^14 Ω