Section 1.3 Data Formats; Section 1.4 Filter Frequencies; Section 1.5 Hardware Features - Spectrum Controls 1794 User Manual

Flex™ IO Isolated Universal Input Module
1-2
Section 1.3
Data Formats
Section 1.4
Filter
Frequencies
Section 1.5
Hardware
Features
User's Manual Pub. 0300231-03 Rev. A
Input Type
120 Ω Ni α 0.672
604 Ω NiFe α 0.518
Resistance
Voltage
Current
For each module the data can be configured for:

Engineering units x 1

Engineering units x 10

Scaled-for-PID

Percent of full-scale

Raw/proportional data

CJC Engineering Units

CJC scaled-for-PID

CJC percent of full range
The module uses a digital filter that provides high frequency noise rejection for each
input signal. The filter for each channel is programmable allowing you to select from six
different filter frequencies:

4.17 Hz

10 Hz

16.7 Hz

19.6 Hz

62 Hz

470 Hz
Each module requires a terminal base unit. Terminal base units are connected together to
form the backplane for the system. Each base unit contains terminals for field
terminations. Field terminations are wired as differential inputs with the exception of
Range
-80 to 260 ˚C (-112 to 500 ˚F)
-100 to 200 ˚C (-148 to 392 ˚F)
0 to 150 Ω
0 to 1000 Ω
0 to 3000 Ω
+/- 50 mV
+/- 100 mV
0 to 5V
1 to 5V
+/- 10V
0 to 10V
4 to 20 mA
0 to 20 mA