National Instruments SCXI-1126, Руководство пользователя

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Chapter 2 Using the SCXI-1126
SCXI-1126 User Manual 2-6 ni.com
Front Connector Signal Descriptions
SCXI-1126 front connector signal descriptions are listed in Table 2-2.
SCXI-1126 Rear Signal Connector
Note If you are using the SCXI-1126 with an E Series DAQ device and cable assembly,
you do not need to read the remainder of this chapter. If you are using the SCXI-1180
feedthrough panel, the SCXI-1343 rear screw terminal adapter, or the SCXI-1351 one-slot
cable extender with the SCXI-1126, read this section.
Figure 2-5 shows the pin assignments for the SCXI-1126 rear signal
connector. These signals are described in the
Rear Connector Signal
Descriptions section.
Table 2-2. SCXI-1126 Front Connector Signal Descriptions
Pin Signal Name Description
A2 CHSGND Chassis Ground—Connects to the SCXI
chassis.
A4, A6, A8, A10, C2,
C4, C6, C8, C10, A16,
C16, A22, C22, A28,
C28 Not Connected Do not connect any signals to these pins.
A12, A14, A18, A20,
A24, A26, A30, A32 CH7+ through CH0+ Positive Input Channels—Positive inputs to
channels 7 through 0, respectively.
C12, C14, C18, C20,
C24, C26, C30, C32 CH7– through CH0– Negative Input Channels—Negative inputs to
channels 7 through 0, respectively.