Rockwell Automation 1746-NT4 SLC 500 Thermocouple/mV Input Module Installation Instructions - Manual (Page 19)

SLC™ 500 4-Channel Thermocouple/mV Input Module 19
Publication 1746-IN010D-EN-P - June 2004
Specifications
Electrical Specifications
Backplane Current Consumption 60 mA at 5V dc
40 mA at 24V dc
Backplane Power Consumption 1.3W maximum (0.3W at 5V dc, 1.0W at 24V dc)
Number of Channels 4 (backplane isolated)
I/O Chassis Location Any I/O module slot except slot 0
A/D Conversion Method Sigma-Delta Modulation
Input Filtering Low pass digital filter with programmable notch (filter) frequencies
Normal Mode Rejection (between
[+] input and [-] input) Greater than 100 dB at 50 Hz (10 Hz, 50 Hz filter frequencies)
Greater than 100 dB at 60 Hz (10 Hz, 60 Hz filter frequencies)
Common Mode Rejection
(between inputs and chassis
ground) Greater than 150 dB at 50 Hz (10 Hz, 50 Hz filter frequencies)
Greater than 150 dB at 60 Hz (10 Hz, 60 Hz filter frequencies)
Input Filter Cut-Off Frequencies 2.62 Hz at 10 Hz filter frequency
13.1 Hz at 50 Hz filter frequency
15.72 Hz at 60 Hz filter frequency
65.5 Hz at 250 Hz filter frequency
Calibration Module autocalibrates at powerup and whenever a channel is enabled.
Isolation 500V dc one minute between inputs and chassis ground, and between
inputs and backplane.
Maximum Channel-to-Channel
Common-Mode Separation Series B or later: 2V maximum between any two channels
Series A: 0V separation