Chapter 3 Configuring Your SCXI Hardware and Software
© National Instruments Corporation 3-51 Getting Started with SCXI
IfyouareusingtheSCXI-1200inanSCXI-2000chassisorwithan
SCXI-2400 module with RS-232/RS-485 communications, you do not
need to be concerned with parallel port addresses and interrupts.
Module Configuration
The SCXI-1200 is software calibrated and software configurable. The
SCXI-1200 has one reserved jumper that selects the grounding scheme
for the SCXIbus guard.
Analog I/O Configuration
The SCXI-1200 is shipped from the factory with the following
configuration:
• RSE input mode
• ±5 V analog input range (bipolar)
• ±5 V analog output range (bipolar)
Table 3-38 lists all the available analog I/O configurations for the
SCXI-1200 and shows the factory settings.
Both the analog input and analog output circuits are software configurable.
Table 3-38. SCXI-1200 Analog I/O Settings
Parameter Configuration
Analog Output CH0 Polarity Bipolar—±5 V (factory setting)
Unipolar—0to10V
Analog Output CH1 Polarity Bipolar—±5 V (factory setting)
Unipolar—0to10V
Analog Input Range Bipolar—±5 V (factory setting)
Unipolar—0to10V
Analog Input Mode RSE (factory setting)
NRSE
DIFF
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