The 1794-IE8H module accepts up to 8 analog inputs. The inputs are non isolated and will accept current in either of the following two ranges: 4…20 mA or 0…20 mA. The default input range is 0…20 mA. The inputs have both fixed hardware filters and selectable firmware digital filters. The module is used with 1794-TB3G or 1794-TB3GS terminal base with all commons and power terminals interconnected; module is designed to support 2 wires devices only.
The 1794-IF8IH module accepts up to 8 analog inputs. The inputs are isolated and will accept current in either of the following two ranges: 4…20 mA or 0…20 mA. The default input range is 0…20 mA. The inputs have both fixed hardware
filters and selectable firmware digital filters. You can use 1794-IF8IH (isolated) instead, with 1794-TB3, 1794-TB3S; devices supported are 2, 3, 4 wires.