Appendix
A:
Specifications
83
RTD (Analog) Inputs
Quantity
3 (up to 2 on the main board plus 1 with MVT/RTD)
a
Type
100
Ω
3-wire lead compensation
Range
(Default) -45°C to +120°C (-50°F to +250°F)
(User-enterable) up to +210°C (410°F), if lead compensation is less
than 1
Ω
Accuracy
± 0.25°C (± 0.45°F) @ 25°C (77°F) ambient including RTD
linearization
Temperature Effect
± 1.0°C over entire Scanner operating range
a
Each mainboard RTD input can be firmware-selected as two analog inputs, with the same
specifications as the Analog Inputs.
Analog Inputs
Quantity
6 maximum (2 on the main board plus each RTD input can be
configured as two analog inputs)
Type
1-5V or 4-20 mA with 250
Ω
load resistor
Accuracy
± 0.050% of span max. error @ 25°C (77°F)
Temperature Effect
± 0.3% over entire Scanner operating range
Impedance
>10 M
Ω
(1-5V input)
approximately 250
Ω
(4-20 mA input)
Over Voltage Protection
± 30 VDC
A/D Resolution
16 Bit
Linearity Error
± 0.020% Max.; ± 0.010% typical
Pulse Inputs
Quantity
1 or 2 configured using DIP switch settings
Status Signal Types
3.7V threshold, or open collector, or contact closure.
Over Voltage Protection
± 30 VDC
Pulse Signal Types
Preamplified square wave (3.7V threshold)
Open collector
Contact closure
Turbine magnetic pickup coil with auto-variable threshold
noise filter
Summary of Contents for NUFLO 1141C
Page 1: ...Manual No 30165009 Rev 01 NUFLOTM Scanner 1141 RTU Hardware User Manual ...
Page 28: ...Scanner 1141 Hardware User Manual 28 Figure 3 1 Scanner 1141 main circuit board ...
Page 66: ...Scanner 1141 Hardware User Manual 66 ...
Page 67: ...Chapter 6 Parts List and Order Code 67 Chapter 6 Parts List and Order Code Scanner 1141C ...
Page 68: ...Scanner 1141 Hardware User Manual 68 Scanner 1141L ...
Page 69: ...Chapter 6 Parts List and Order Code 69 Scanner 1141G ...
Page 91: ...Appendix A Specifications 91 Outline Dimensions Scanner 1141C ...
Page 92: ...Scanner 1141 Hardware User Manual 92 Scanner 1141L Front and Side Views ...
Page 94: ...Scanner 1141 Hardware User Manual 94 Scanner 1141G ...
Page 96: ...Scanner 1141 Hardware User Manual 96 Drawing 1 Installation ...
Page 97: ...Appendix B Control Drawings 97 Drawing 2 Power Supply ...
Page 98: ...Scanner 1141 Hardware User Manual 98 Drawing 3 Communications Serial Ports ...
Page 99: ...Appendix B Control Drawings 99 Drawing 4 Status Pulse Inputs Outputs ...
Page 100: ...Scanner 1141 Hardware User Manual 100 Drawing 5 RTD Inputs Analog Inputs Outputs ...
Page 101: ...Appendix B Control Drawings 101 Drawing 6 Analog Outputs ...
Page 102: ...Scanner 1141 Hardware User Manual 102 ...
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