SLC 500 Thermocouple/mV Analog Input Module
21
Publication 1746-5.23
Module Specifications
Electrical 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 continuous between inputs and chassis
ground, and between inputs and backplane.
12.5V dc continuous between channels.
Spare Allen-Bradley Parts
