The 1715-IF16 is a Bulletin 1715 Redundant I/O Module 16-Point Analog Input Module. This module has a 16-point analog input module. It has a maximum power dissipation of 4 watts, and it supports a shielded wire type of 22 to 16 AWG with dimensions of 166 x 42 x 118 millimeters and a weight of 360 grams.
The 1756-IF8I is a ControlLogix analog input module. It has eight (8) individually isolated current and voltage input channels compatible with an input signal range of ±10.5V, 0-10.5V, 0-5V, and 0-21 mA. It has a resolution of 24 bits and is compatible with 2- and 4-wire transmitters.