Table 4-8
Basic contact check commands
Command
*
Description
flag = smuX.contact.check()
rhi, rlo = smuX.contact.r()
smuX.contact.speed = speed.opt
smuX.contact.threshold = rvalue
Determine if contact resistance is lower than threshold.
Return the contact resistance.
Set speed_opt to one of the following:
0 or smuX.CONTACT_FAST
1 or smuX.CONTACT_MEDIUM
2 or smuX.CONTACT_SLOW
Resistance threshold for the contact check function.
Series 2600 System SourceMeters Reference Manual Basic Operation 4-25
Return to Section 4 topics 2600S-901-01 Rev. A / May 2006
Figure 4-5
Contact check measurements
S LO
LO
CHANNEL A
LO GLO HI G G G HI
SS
KEITHLEY Series 2600
HI
S HI
DUT
R
S
R
S
R
S
R
S
R
C
R
C
R
C
R
C
Cable/Relay
Resistance
Contact
Resistance
*smuX = smua for the Model 2601/2611; smuX = smua (Channel A) or smub (Channel B) for the Model 2602/2612.
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