USB-4718 User Manual vi
Figure 3.1:I/O Connector Pin Assignment ..................23
3.2.2 I/O Connector Signal Description ................................24
Table 3.1:I/O Connector Signal Description ...............24
3.2.3 LED Indicator Status Description ................................ 24
Table 3.2:LED Indicator Status Description ................ 24
3.3 Analog Input Connections............................................... 25
Figure 3.2:Single-Ended Input Channel Connection ... 25
3.4 Isolated Digital Input Connections..................................25
Figure 3.3:Analog Output Channel Connections .........26
3.5 Isolated Digital Output Connections............................... 26
3.5.1 External Trigger Source Connection ...........................26
3.6 Field Wiring Considerations ...........................................27
Appendix A Specifications ................................................. 30
A.1 Analog Input.................................................................... 30
Table A.1:Analog Input ............................................... 30
A.2 Accuracy for Thermocouple: ..........................................31
Table A.2:Accuracy for Thermocouple ................. ......31
A.3 Isolated Digital Input.......................................................31
Table A.3:Isolated Digital Input . ................................. 31
A.4 Isolated Digital Output.................................................... 32
Table A.4:Isolated Digital Output ............................... 32
A.5 General............................................................................ 32
Table A.5:General ........................................................ 32
Appendix B Function Block............................................... 34Appendix C Firmware Download Utility ......................... 36
Figure C.1:Install Firmware Download Utility Screen 36
Figure C.2:USB Download Utility .............................. 37
Figure C.3:Firmware Selection .................................... 37
Figure C.4:Firmware Download Completed. ............... 38
Appendix D Analog Input Calibration ............................. 43
D.1 Voltage Input Calibration................................................ 44
Figure D.1:USB-4718 Device Setting window .......... 45
Figure D.2:USB-4718 Calibration Wizard 46
Figure D.3:Zero range calibration complete. ............... 46
Figure D.4:Full range calibration ................................ 47
Figure D.5: Calibration Complete ............................... 47
D.2 Voltage Input Calibration................................................ 48
Figure D.6:Select the current input range setting ........ 48