JYTEK USB-62401, User Manual

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vi Table of Contents
2.4.2 Wall Mounting .................................................................. 25
3 Operation ................................................................................ 27
3.1 Functional Layout ........................................................................ 27
3.2 Signal Sources.............................................................................. 27
3.2.1 Floating Signal Source ....................................................... 27
3.2.2 Ground-Referenced Signal Source .................................... 28
3.3 Signal Connection........................................................................ 28
3.3.1 Voltage Input Mode .......................................................... 28
3.3.2 Current Input Mode .......................................................... 29
3.3.3 Full Bridge and Half Bridge Input Mode............................ 30
3.3.4 Thermocouple Input Mode ............................................... 31
3.3.5 RTD Input Mode................................................................ 32
3.3.6 Wire Resistance Mode ...................................................... 34
3.4 AI Data Format ............................................................................ 35
3.5 ADC Sampling Rate...................................................................... 36
3.5.1 Software Polling Data Transfer (Non-Buffering Programmed I/
O)....................................................................................... 36
3.5.2 Continuous Acquisition Mode........................................... 37
3.6 Programmable Function I/O........................................................ 37
3.6.1 TTL DI/DO .......................................................................... 37
3.6.2 General Purpose Timer/Counter....................................... 38
3.6.3 General Purpose Timer/Counter Modes........................... 39
4 Calibration ............................................................................... 45
Important Safety Instructions ....................................................... 47
Warranty Policy ............................................................................ 49
Getting Service ............................................................................. 51