Product Details:

The Emerson 1172C29H01 is a rack-mounted relay output module for Emerson rotating machinery protection monitoring systems. This relay module receives alarm and trip logic signals from vibration, speed and temperature monitor boards, and drives built-in relay contacts to output hard-wired on/off signals for safety interlock and equipment shutdown control. It supports independent relay channels for warning alarm and emergency trip functions, which can directly trigger circuit breakers, solenoid valves and host system interlock logic when machinery faults occur. It features contact status self-checking to detect relay coil failure or contact circuit breakage, and feeds fault diagnostic information back to the monitoring rack. It adopts industrial-grade relay components and noise suppression circuits, featuring strong anti-electromagnetic interference capability to prevent false relay triggering in high-vibration and oil mist industrial environments. It uses standard rack slot plug-in design for convenient installation and fast replacement inside the monitor cabinet, effectively cutting down equipment maintenance downtime. The Emerson 1172C29H01 cooperates with vibration monitors, speed detection modules and power supply units to implement safety protection for large rotating assets. It is widely deployed in steam turbines, gas turbines, centrifugal compressors and large pumping units in power plants, oil & gas and chemical plants, delivering reliable safety interlock control and reducing unexpected equipment shutdown caused by rotor faults.

Specifications

Brand: Emerson

Model: 1172C29H01

Product Type: Relay Output Module

Function: Alarm and trip relay output, contact status self-check, safety interlock control

Application: Rotating machinery protection system, steam turbine, gas turbine, centrifugal compressor

Feature: Anti-interference, independent alarm/trip channels, rack slot mounting, contact diagnostic