Spectrum Controls 1762sc-IF4OF4 - Manual (Page 9)

Chapter 1: Module Overview 1-3
User’s Manual Pub. 0300247-01 Rev. C
Section 1.5
Filter
Frequencies
For input channels, 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 four different filter frequencies:
 4 Hz
 17 Hz
 62 Hz
 470 Hz
Section 1.6
Hardware
Features
Channels are wired as differential inputs or single ended outputs. One cold junction
compensation (CJC) sensor comes installed under the terminal block (and is not
accessible to the user) to enable accurate readings when using thermocouple input types.
The CJC sensor compensates for offset voltages introduced into the input signal as a
result of the cold-junction where the thermocouple wires come into contact with the
terminal block.
Module configuration is done via the controller’s programming software. The module
configuration is stored in the memory of the controller. Refer to your controller’s user
manual for more information. The illustration below shows the module’s hardware
features.
Item Description
1a Upper panel mounting tab
1b Lower panel mounting tab
2 Power diagnostic LED
3 Module door with terminal identification label
4 Bus connector (male)
5 Bus connector cover
Figure 1-1