Rtd/Resistance Inputs And Ranges; Data Formats; Filter Frequencies - Spectrum Controls 1769 User Manual

6-channel isolated rtd/resistance input module
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Chapter 1: Module Overview
RTD/Resistance
Inputs and Ranges

Data Formats

Filter Frequencies

User's Manual Pub. 0300241-02 Rev. A
The table below lists the RTD and resistance types and their associated full-scale
ranges, supported by the IR6I module.
Table 1-1. RTD/Resistance Input Ranges
Input Range
˚ Celsius
Input Type
Pt 385
-200 to +850 -328 to 1562
Pt 3916
-200 to +630 -328 to 1166
10 Cu 426
-100 to +260 -148 to 500
100 Ni 618
-100 to +260 -148 to 500
120 Ni 672
-80 to +260
604 NiFe 518 -100 to +200 -148 to 392
150 Ω
0 to +1500
500 Ω
0 to +500
1000 Ω
0 to +1000
3000 Ω
0 to +3000
The data can be configured on board each module as:
Engineering units × 1
Engineering units × 10
Scaled-for-PID
Percent of full scale
Raw/proportional data
The module uses a digital filter that provides high frequency noise rejection for
the input signals. The filter is programmable, allowing you to select from six
different filter frequencies for each channel:
4.17 Hz
10 Hz
16.7 Hz
19.6 Hz
62 Hz
470 Hz
˚ Fahrenheit
-112 to 500
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