Scanner 1141 Hardware User Manual
42
WARNING
Main Circuit Board RTD
WARNING – EXPLOSION HAZARD
WHEN A 4-WIRE RTD IS INSTALLED ON THE MAINBOARD, CUT OFF ONE OF THE RTD
LEADS (TYPICALLY ONE OF THE RED LEADS) AND APPLY HEAT SHRINK TO THE END
OF THE CUT WIRE TO PREVENT CONTACT WITH ANYTHING THAT COULD CAUSE A
SPARK.
Resources A15 and A18 connect to a 100-ohm, 3-wire platinum RTD. The RTD characteristic curve
is software-selectable for temperature coefficients of. 0.00385 (
Ω
/
Ω
/°C) DIN or by performing a loop
calibration at a single point or three or more points. For more information, refer to the ScanWin
manual,
Chapter 3 – Calibrate/Verify Devices
.
Platinum 2-wire RTDs can be used by jumping the lead-line compensation terminals together.
Figure 3.11—Wiring diagram for platinum 3-wire RTDs
Analog Inputs
Each main circuit board RTD can be configured as two analog inputs using ScanWin Scanner Setup
wizard and using the selection box for Analog In / RTD Select. See Figure 3.12 below.
RTD Resource A15 can be configured as Analog input resource A16 and A17.
RTD Resource A18 can be configured as Analog input resource A19 and A20.
Содержание NUFLO 1141C
Страница 1: ...Manual No 30165009 Rev 01 NUFLOTM Scanner 1141 RTU Hardware User Manual ...
Страница 19: ...Chapter 3 Main Circuit Board Wiring 19 Figure 2 5 Components of 1141C Figure 2 6 Components of 1141L ...
Страница 28: ...Scanner 1141 Hardware User Manual 28 Figure 3 1 Scanner 1141 main circuit board ...
Страница 39: ...Chapter 3 Main Circuit Board Wiring 39 Wiring Diagram Summary Figure 3 7 Main circuit board wiring summary ...
Страница 66: ...Scanner 1141 Hardware User Manual 66 ...
Страница 67: ...Chapter 6 Parts List and Order Code 67 Chapter 6 Parts List and Order Code Scanner 1141C ...
Страница 68: ...Scanner 1141 Hardware User Manual 68 Scanner 1141L ...
Страница 69: ...Chapter 6 Parts List and Order Code 69 Scanner 1141G ...
Страница 91: ...Appendix A Specifications 91 Outline Dimensions Scanner 1141C ...
Страница 92: ...Scanner 1141 Hardware User Manual 92 Scanner 1141L Front and Side Views ...
Страница 94: ...Scanner 1141 Hardware User Manual 94 Scanner 1141G ...
Страница 96: ...Scanner 1141 Hardware User Manual 96 Drawing 1 Installation ...
Страница 97: ...Appendix B Control Drawings 97 Drawing 2 Power Supply ...
Страница 98: ...Scanner 1141 Hardware User Manual 98 Drawing 3 Communications Serial Ports ...
Страница 99: ...Appendix B Control Drawings 99 Drawing 4 Status Pulse Inputs Outputs ...
Страница 100: ...Scanner 1141 Hardware User Manual 100 Drawing 5 RTD Inputs Analog Inputs Outputs ...
Страница 101: ...Appendix B Control Drawings 101 Drawing 6 Analog Outputs ...
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