Figure 2-5 Hardware Gate - Keithley DAS-800 series User Manual

Gate Signal
Software starts
the operation
External Clock
Source
Internal Clock
Source
1st conversion
(internal clock)
Note:
analog trigger, you can program an analog trigger through software, using
one of the analog input channels as the trigger channel. DriverLINX
provides functions for both an analog trigger and a digital trigger. Refer to
the Using DriverLINX With Your Hardware— Keithley DAS-800 manual
for more information.
Gate is high;
conversions occur
1st conversion
(external clock)
2nd conversion
(internal clock)
3rd conversion
(internal clock)
Figure 2-5. Hardware Gate
Although DAS-800 Series boards do not provide a hardware-based
Gate is low;
conversions inhibited
3rd conversion
(external clock)
2nd conversion
(external clock)
. . . . . . . . . . . .
4th conversion
(internal clock)
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