Configuration and Installation
Chapter 2
AT-MIO-16D User Manual
2-24
© National Instruments Corporation
Pin
Signal Name
Reference
Description (continued)
38
START TRIG*
DIGGND
External Trigger – In posttrigger data acquisition
sequences, a low-to-high edge on START TRIG*
initiates the sequence. In pretrigger applications, the
low-to-high edge of START TRIG* initiates
pretrigger conversions while the STOP TRIG signal
initiates the posttrigger sequence.
39
STOP TRIG
DIGGND
Stop Trigger – In pretrigger data acquisition, the
high-to-low edge of STOP TRIG initiates the
posttrigger sequence.
40
EXTCONV*
DIGGND
External Convert – A high-to-low edge on
EXTCONV* causes an A/D conversion to occur. If
EXTGATE* or EXTCONV* is low, conversions
are inhibited.
41
SOURCE1
DIGGND
SOURCE1 – This pin is from the Am9513A
Counter 1 signal.
42
GATE1
DIGGND
GATE1 – This pin is from the Am9513A Counter 1
signal.
43
OUT1
DIGGND
OUTPUT1 – This pin is from the Am9513A
Counter 1 signal.
44
SOURCE2
DIGGND
SOURCE2 – SOURCE5 – This pin is from the
Am9513A Counter 2 signal.
45
GATE2
DIGGND
GATE2 – This pin is from the Am9513A Counter 2
signal.
46
OUT2
DIGGND
OUTPUT2 – This pin is from the Am9513A
Counter 2 signal.
47
SOURCE5
DIGGND
SOURCE5 – This pin is from the Am9513A
Counter 5 signal.
48
GATE5
DIGGND
GATE5 – This pin is from the Am9513A Counter 5
signal.
49
OUT5
DIGGND
OUT5 – This pin is from the Am9513A Counter 5
signal.
50
FOUT
DIGGND
Frequency Output – This pin is from the Am9513A
FOUT signal.
The signals on the connector can be classified as analog input signals, analog output signals, digital
I/O signals, digital power connections, or timing I/O signals. Signal connection guidelines for
each of these groups are given as follows.
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