National Instruments Signal Conditioning Module SCXI -1125 ユーザーズマニュアル
© National Instruments Corporation
7
SCXI-1125 Calibration Procedure
•
calOp—
ND_SELF_CALIBRATE
•
setOfCalConstants—
ND_USER_EEPROM_AREA
•
calRefVolts—0.0
4.
Call
AI_Configure
to put the E Series device in bipolar mode. Set the
following parameters:
•
deviceNumber—The value assigned by MAX
•
chan—0
•
inputMode—0
•
inputRange—0
•
polarity—0
•
driveAIS—0
5.
Call
MIO_Config
to enable dithering on the E Series device. Set the
following parameters:
•
deviceNumber—The value assigned by MAX
•
dither—1
•
useAMUX—0
6.
Call
SCXI_Single_Chan_Setup
to configure the module for
single-channel measurements. Set the following parameters:
•
SCXIchassisID—The value assigned by MAX
•
moduleSlot—1
•
moduleChan—The channel you want to adjust
•
DAQdeviceNumber—The device number assigned by MAX for
the E Series DAQ device
the E Series DAQ device
7.
Call
SCXI_Set_Gain
.
Set the following parameters:
•
SCXIchassisID—The ID of the SCXI chassis obtained when you
configure the chassis with MAX
configure the chassis with MAX
•
moduleSlot—1, because the SCXI-1125 should be installed in
slot 1
slot 1
•
channel—The same channel number from step 6
•
gain—The gain value you want to adjust. Refer to Table 1 for
acceptable gain values
acceptable gain values
8.
Call
SCXI_Configure_Filter
to configure the filter setting on the
module. Set the following parameters:
•
SCXIchassisID—The ID of the SCXI chassis obtained when you
configure the chassis with MAX
configure the chassis with MAX
•
moduleSlot—1
•
channel—The same channel number from step 7