Advantech USB-4711A, User Manual

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USB-4711A User Manual 14
3.2.2 I/O Connector Signal Description
Table 3.1: I/O Connector Signal Description
Signal
Name Reference Direction Description
AI<0…15> AGND Input Analog Input Channels 0
through 15.
AIGND - - Analog Input Ground.
AO0
AO1 AGND Output Analog Output Channels 0/1.
AOGND - - Analog Output Ground. The
analog output voltages are ref-
erenced to these nodes.
DI<0..7> DGND Input Digital Input channels.
DO<0..7>
DGND Output Digital Output channels.
DGND - - Digital Ground. This pin supplies
the reference for the digital
channels at the I/O connector.
GATE DGND Input A/D External Trigger Gate.
When GATE is connected to +5
V, it will disable the external
trigger signal to input.
EXT _TRG DGND Input A/D External Trigger. This pin is
external trigger signal input for
the A/D conversion. A low-to-
high edge triggers A/D conver-
sion to start.
EVT_IN DGND Input External events input channel.
P_OUT DGND Output Pulse output channel