Digital Outputs - Keithley 2750 User Manual

9-18 Limits and Digital I/O
Remote Operation — For remote operation, make sure both Limit 1 and Limit 2 are
enabled. The following table evaluates the three possible pass/fail combinations for this
example.
Limit 1 result
Pass
Fail
Fail
Keep in mind that a fail condition must be reset before testing the next resistor. Fail can be
reset manually or automatically (see

Digital outputs

With the digital outputs of the Model 2750 enabled, the digital outputs will respond as fol-
lows for each resistor reading:
LO limit 2
*Affected outputs are pulled (or pulsed) high or low when a limit test fails.
Limit 2 result
Pass
Pass
Fail
LO limit 1
Pass Pass
Pass Fail
Pass Pass
Fail Fail
Pass Pass
Model 2750 Multimeter/Switch System User's Manual
Resistor tolerance
>1%
>5%
>5%
Table 9-2, CLEar command).
HI limit 1 HI limit 2
Pass Pass
Pass Pass
Fail Pass
Pass Pass
Fail Fail
Bin assignment
1
2
3
Resistor Affected
tolerance Bin outputs*
1% 1
5% 2 #1 and #5
5% 2 #2 and #5
>5% 3 #1, #3 and #5
>5% 3 #2, #4 and #5
None