Module specifications, Electrical specifications physical specifications – Rockwell Automation 1746-NT8 SLC 500 Thermocouple/mV Analog Input Module/ Instructions User Manual
Page 17

SLC 500 Thermocouple/mV Analog Input Module 17
Publication 1746-IN015C-EN-P - July 2001
Module Specifications
Electrical Specifications
Physical Specifications
Backplane Current Consumption
120 mA at 5V dc, 70 mA at 24V dc
Backplane Power Consumption
2.28W maximum (0.5W at 5V dc, 1.68W at 24V dc)
Number of Channels
8 (backplane and channel-to-channel isolated)
I/O Chassis Location
Any I/O module slot except 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 50/60 Hz
Common Mode Rejection
(between input and ground)
Greater than 100 dB at 50/60 Hz
Input Filter Cut-Off Frequencies
2.6 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
Greater than 100 dB at 50/60 Hz
Calibration
Module autocalibrates at power-up and approximately
every two minutes thereafter
Input Over voltage Protection
±30V dc continuous, 600W pulsed for 1 msec.
Isolation
500V dc for 1 minute between inputs and chassis
ground, and between inputs and backplane.
12.5V dc continuous between channels.
LED Indicators
9 green status indicators, one for each of 8 channels
and one for module status
Module ID Code
3533
Maximum Wire Size
One 14 AWG wire or two 22 AWG wires per terminal
Replacement Terminal Block
1746-RT34