Keithley KUSB-3116, Getting Started Manual

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Chapter 4
44
Figure 18: Connecting Counter/Timer Signals to a Screw Terminal Panel for
an Event Counting Operation Using an External Gate
Figure 19 shows how to connect counter/timer signals either to your
own screw terminal panel to perform an event counting operation on
counter/timer 0 without using a gate. The counter counts the number
of rising edges that occur on the Counter 0 Clock input.
Figure 19: Connecting Counter/Timer Signals to a Screw Terminal Panel for
an Event Counting Operation Without Using a Gate
Signal
Source
Digital Ground
Counter 0 Clock
Digital Ground
External
Gating
Switch
8
28
31
Counter 0 Gate
Screw Terminal Panel
29
8
Signal Source
Counter 0 Clock
Digital Ground
18
Screw Terminal Panel