Keithley KPCI-3110, Руководство пользователя

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KPCI-3110 and KPCI-3116 User’s Manual Functional Description 2-27
Figure 2-11
Connecting event counting signals (shown for Clock Input 0 and External Gate 0)
Figure 2-12 shows an example of an event counting operation. In this example, the gate type is
low level.
Figure 2-12
Example of event counting
STP-3110 Panel
TB58
Signal Source
Digital Ground
User Clock Input 0
TB83
TB61
TB60
Digital Ground
Gate 0
External
Gating
Switch
TB108
Digital Shield
Gate Input Signal
Low Level Enables
Operation
High Level Disables
Operation
External C/T Clock
Input Signal
Event Counting
Operation Starts
Event Counting
Operation Stops
3 Events are counted while
the operation is enabled.