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System Diagrams
Figures 20 and 21 show diagrams for interfacing digital and analog signals with the NI 9683.
Figure 20. Interfacing Digital Signals with the NI 9683
+24V
+24V_COM
+15V_HBDO
+15V_DI
Relay +
Relay –
Error Signal
Error
Monitor
LED
+24 VDC IN
(13 V to 30 V)
GND (for power)
Top HB 1 IN
GND (for power)
IGBT Intelligent
Power Module
NI 9683 User Guide and Specifications | © National Instruments | 15
+24V
Relay Control DO+
Relay Control DO–
+24V_COM
VI P0 (5 V to 24 V)
+15V_DI
Sourcing DI P0.0
+24V
Sinking DO
GND
+24V_COM
V
(5 V to 24 V)
EXT
+15V_HBDO
Half-Bride DO0
GND
sbRIO Mezzanine Connector
9 V to 30 V
PS_COM
Sourcing
DI0
GND
GND
Digital GND (GND)
NI sbRIO-9605/6
NI 9683
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