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GPIC DI Signal
DI_P0.3
DI_P0.4
DI_P0.5
DI_P0.6
DI_P0.7
DI_P0.8
DI_P0.9
DI_P0.10
DI_P0.11
DI_P0.12
DI_P0.13
Sinking Digital Output
The GPIC has 24 sinking digital outputs. Each sinking DO is connected to the breakout
connector. The sbRIO-9687 interface board uses some of the DO lines, which can be
disconnected from sbRIO-9687 circuitry by depopulating 0 Ω resistors.
The sinking DO lines have the same electrical specifications as the DO lines of the GPIC. For
more information, refer to the NI 9683 User Manual and Specifications or the NI 9684 User
Manual and Specifications. The GPIC has current sinking digital outputs, which means that
the output pin is driven to ground (GND) when the channel is ON.
The following figure is a block diagram of the sinking digital output.
Table 27. Sourcing Digital Input Signals (Continued)
Onboard Function
HALT3
HALT4
HALT5
HALT6
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
Figure 16. Sinking Digital Output Block Diagram
GPIC
Configurable position
Onboard
Functionality
DO
Breakout
Connector
sbRIO-9687 User Manual | © National Instruments | 33
Disconnecting Resistor
R535
R516
R633
R566
R500
R501
R497
R498
R572
R499
R573
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