Figure 9-4 Interlock Operation - Keithley 2520 User Manual

9-6 Digital I/O Port, Interlocks, and Pulse Sync Output
Interlock operation
Figure 9-4
ture switch is closed
on. If the lid of the test fixture opens
outputs are disabled and cannot be turned on.
Figure 9-4
Interlock operation
shows typical connections to the REMOTE INTERLOCK connector. If the fix-
(Figure 9-4A), the three source outputs are enabled and can be turned
Model 2520 Testhead
Pin 1
Remote
Interlock
Pin 9
A. Model 2520 outputs can be turned on.
Model 2520 Testhead
Pin 1
Remote
Interlock
Pin 9
B. Model 2520 outputs cannot be turned on.
(Figure 9-4B), the switch opens, and the three source
Test Fixture
Interlock Switch
Closed
Test Fixture
Interlock Switch
Open
Model 2520 User's Manual