User`s guide

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Table of Contents
Channel Gain Queue ................................................................30
4.1.3.3 Trigger Modes ..........................................................................31
4.1.3.4 Bus-mastering DMA Data Transfer..........................................37
4.2 D/A Conversion (for DAQ-2214 only) ............................................. 38
4.2.1 Software Update ................................................................... 40
4.2.2 Timed Waveform Generation............................................... 40
4.2.2.1 Trigger Modes ..........................................................................42
4.2.2.2 Iterative Waveform Generation ................................................44
4.2.2.3 Stop Modes of Scan Update ......................................................45
4.3 Digital I/O ......................................................................................... 47
4.4 General Purpose Timer/Counter Operation....................................... 48
4.4.1 Timer/Counter functions basics............................................ 48
4.4.2 General Purpose Timer/Counter modes................................ 48
4.4.2.1 Mode1: Simple Gated-Event Counting .....................................49
4.4.2.2 Mode2: Single Period Measurement.........................................49
4.4.2.3 Mode 3: Single Pulse-width Measurement ...............................50
4.4.2.4 Mode 4: Single Gated Pulse Generation ..................................50
4.4.2.5 Mode 5: Single Triggered Pulse Generation ............................51
4.4.2.6 Mode 6: Re-triggered Single Pulse Generation........................51
4.4.2.7 Mode 7: Single Triggered Continuous Pulse Generation .........52
4.4.2.8 Mode 8: Continuous Gated Pulse Generation ..........................52
4.5 Trigger Sources................................................................................. 53
4.5.1 Software-Trigger .................................................................. 53
4.5.2 External Analog Trigger....................................................... 53
4.5.2.1 Below-Low analog trigger condition ........................................54
4.5.2.2 Above-High analog trigger condition .......................................55
4.5.2.3 Inside-Region analog trigger condition ....................................55
4.5.2.4 High-Hysteresis analog trigger condition ................................56
4.5.2.5 Low-Hysteresis analog trigger condition..................................56
4.5.3 External Digital Trigger ....................................................... 57
4.6 User-controllable Timing Signals ..................................................... 58
4.6.1 DAQ timing signals.............................................................. 59
4.5.2 Auxiliary Function Inputs (AFI)........................................... 60
4.5.3 System Synchronization Interface ........................................ 62
Calibration............................................................................. 65
5.1 Loading Calibration Constants.......................................................... 65
5.2 Auto-calibration ................................................................................ 66
5.3 Saving Calibration Constants ............................................................ 66
Warranty Policy .................................................................... 67