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2.6 Onboard Isolated Digital Output
The UNO-3072 has 4 isolated DO channels designated DO0 ~ DO3.
2.6.1 Pin Assignments
The connector type of UNO-3072 is plug-in screw terminal block that
enables you to connect to field I/O devices directly without additional
accessories. Figure 2.6 and Table 2.9 show its pin assignment as well as
signal description.
Figure 2.6: Digital Output Connector Pin Assignments
Table 2.9: Digital Output Connector Signals
Signal Name
DO <0...3>
COM
2.6.2 Power On Configuration
Default configuration after power on or hardware reset is to set all the iso-
lated digital output channels to open status (the current of the load can't be
sink) so that users need not worry about damaging external devices during
system startup or reset. When the system is hot reset, then the status of iso-
lated digital output channels are selected by jumper JP7. Table 2.10 shows
the configuration of jumper JP7.
Note:
Please refer to Figure A.3 for location of JP7
UNO-3072 User Manual
Reference
Direction
COM
Output
-
-
22
Description
Isolated DO signals
DI, DO isolated
ground
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