National Instruments 321645c-01 用户手册
Chapter 2
Function Reference — AI_Mux_Config
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National Instruments Corporation
2-11
NI-DAQ FRM for PC Compatibles
For the AT-MIO-64F-5, AT-MIO-64E-3, PCI-6031E (MIO-64XE-10), PCI-6033
(AI-64XE-10), and PCI-6071E (MIO-64E-1), you also must call
(AI-64XE-10), and PCI-6071E (MIO-64E-1), you also must call
MIO_Config
if you plan
to use AMUX-64T channels. Refer to the
MIO_Config
function for further details.
Note
Some of the digital lines of port 0 on the MIO or AI device with AMUX-64T
devices are reserved for AMUX device control. Any attempt to change the port or
line direction or the digital values of the reserved line causes an error. Table 2-2
shows the relationship between the number of AMUX-64T devices assigned to the
MIO or AI device and the number of digital I/O lines reserved. You can use the
remaining lines of port 0. On non-E Series devices, the remaining lines are
available for output only.
devices are reserved for AMUX device control. Any attempt to change the port or
line direction or the digital values of the reserved line causes an error. Table 2-2
shows the relationship between the number of AMUX-64T devices assigned to the
MIO or AI device and the number of digital I/O lines reserved. You can use the
remaining lines of port 0. On non-E Series devices, the remaining lines are
available for output only.
Table 2-2. Port 0 Digital I/O Lines Reserved
Number of AMUX-64T Devices
Assigned to an MIO or AI Device
Port 0 Digital Lines
Reserved
0
none
1
lines 0 and 1
2
lines 0, 1, and 2
4
lines 0, 1, 2, and 3