SCXI Multiple Modules Continuous Scan CVI

Example program: DoubleBufScanMultiple.C

Description: This program performs a double buffered acquisition from multiple channels of multiple modules with one being a track and hold module and the other a non track and hold (except SCXI-1100 and SCXI-1122) module.

NOTE: This example program is designed for an SCXI-1520 and SCXI-1102 module. You can adapt it to a different track and hold module. (uses low-level NI-DAQ functions)

Variables: The variables are hardcoded; therefore, this program may not work in your application. This example is presented as a code snippet of how you can use NI-DAQ functions to perform a task.

Function Calls:

NI-DAQ Function Calls Used:
SCXI_Reset, SCXI_Load_Config, SCXI_Track_Hold_Setup, SCXI_Set_Gain,
SCXI_Set_Excitation, SCXI_Configure_Filter,
SCXI_Configure_Connection, SCXI_SCAN_Setup, Timeout_Config,
SCXI_MuxCtr_Setup, SCAN_Op, SCAN_Demux, SCXI_Scale

NIDAQEX.C Function Calls Used:
NIDAQErrorHandler

For further details on each function, refer to the NI-DAQ help file (NIDAQPC.HLP) or the nidaqex help file (NIDAQEX.HLP).

Pin Connection Information: Refer to the SCXI-1520 User Manual for the bridge configuration wiring diagram of your application. By default, this example program is configured for quarter-bridge strain gauges in the variables declaration section. Make sure you are using SCXI channels 0 through 7 for this example program. Refer to the SCXI-1102 User Manual for appropriate signal connections for the module.

Requirements

Filename: doublebufscanmultiple.zip

Software Requirements

Application Software: LabWindows/CVI Full Development System 6.0
Language(s): C

Hardware Requirements

Hardware Group: SCXI
Hardware Model: SCXI-1102, SCXI-1520
Driver: Traditional NI-DAQ (Legacy) 6.9.3

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