Allen-Bradley 1756-IF16 16-Point Input Module

Allen-Bradley 1756-IF16 is a ControlLogix analog input module that provides 16 input channels in a single slot for voltage or current signals. It supports 16 single-ended inputs, 8 differential inputs, or 4 high‑speed differential inputs, enabling flexible wiring for mixed analog signals within a single ControlLogix chassis. Each channel accepts voltage ranges of -10 to +10 V, 0 to 10 V, or 0 to 5.125 V, or current signals of 4–20 mA, with channel‑by‑channel configuration. The module draws 150 mA from the 5.1 V backplane supply or 65 mA from the 24 V supply, with a power dissipation of 2.3 W (voltage mode) or 3.9 W (current mode). Open‑circuit detection and overvoltage protection (up to 30 V) are specified, and the unit offers high common‑mode and normal‑mode noise rejection to help preserve accuracy in industrial environments. Typical input scan times range from 16 to 488 ms for 16 single‑ended channels, 8 to 244 ms for 8 differential channels, and 5 to 122 ms for 4 high‑speed differential channels. Terminal blocks such as 1756‑TBCH or 1756‑TBS6H terminate the channels, and the 1756‑IF16 is designed for seamless use within the Rockwell Automation ControlLogix I/O framework.