Allen-Bradley 1756-OF8IH Hart Analog Output Module

The Allen-Bradley 1756-OF8IH is an eight-channel, isolated HART analog output module for ControlLogix systems. It provides eight independently isolated outputs that can be configured per channel as either current or voltage outputs, enabling direct control of analog field devices and HART-enabled instruments. With built‑in HART capability, you can communicate with receivers and transmitters on the loop to adjust live signals and perform diagnostics from the ControlLogix processor. The module fits into a ControlLogix I/O backplane and maintains channel isolation to minimize interference in multi‑channel applications. Typical use cases include process control, valve actuation, and instrumentation tasks where precise analog signaling and two‑way HART communication are valuable for monitoring and tuning field devices. The 1756-OF8IH is designed for robust industrial environments, delivering reliable per‑channel signaling from the controller to eight outputs within a single modular slot and compatible with standard ControlLogix configurations.