Table 14. Simultaneous Sampled AI Current-Sensing Resistors (Continued)
Simultaneous AI 2 W Current-Sensing Resistor 0.25 W Current-Sensing Resistor
ssAI10± R243 R242
ssAI11± R232 R231
ssAI12± R213 R212
ssAI13± R198 R197
ssAI14± R186 R185
ssAI15± R161 R160
Common Mode Filters
The sbRIO-9687 uses a high frequency common mode filter for each analog input from
external connectors and from Semikron modules. The common mode filter attenuates the
inverters' high frequency switching noise, which can interfere with the input signal.
Simultaneous Analog Input Configuration
The signal source for each GPIC simultaneous analog input is selected with a series of DIP
switches. Because all input signals are differential, a pair of contacts should be closed to select
one signal source. Refer to the following table for information about selecting simultaneous
sampled analog input signal source.
Table 15. Simultaneous Sampled Analog Input Signal Source Selection
Input 1 (Inverters) Input 2 (AI Connector)
GPIC Input Name Switch Contact Pair Name Switch Contact Pair
AI0± I Phase 0 SW42 3, 4 ssAI0± SW42 1, 2
AI1± I Phase 1 SW34 3, 4 ssAI1± SW34 1, 2
AI2± I Phase 2 SW36 3, 4 ssAI2± SW36 1, 2
AI3± I Phase 3 SW38 3, 4 ssAI3± SW38 1, 2
AI4± I Phase 4 SW44 3, 4 ssAI4± SW44 1, 2
AI5± I Phase 5 SW40 3, 4 ssAI5± SW40 1, 2
AI6± I Phase 6 SW25 3, 4 ssAI6± SW25 1, 2
AI7± U DC 0 SW41 3, 4 ssAI7± SW41 1, 2
AI8± U DC 1 SW33 3, 4 ssAI8± SW33 1, 2
20 | ni.com | sbRIO-9687 User Manual
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