Product Details:

The Emerson 1C31150G01 is a rack-mounted pulse accumulator module built for Emerson Ovation distributed control systems, widely deployed in thermal power plants and heavy industrial process automation. This pulse card receives pulse and frequency signals from field turbine tachometers, pulse output flow meters and speed sensors to complete frequency input measurement and total capture of accumulated pulse values. It performs local high-speed pulse counting on the module hardware instead of relying on controller scanning cycles, avoiding missing fast pulse signals and delivering accurate total flow and rotational speed data to the Ovation controller for boiler and turbine protection logic and performance calculation. It supports configurable pulse scaling for different pulse-output instruments, allowing engineers to adjust counting parameters to match field instrument pulse weights. It continuously monitors channel working status, detecting signal loss, abnormal frequency and wiring faults, and sends diagnostic alerts to the Ovation operator workstation for maintenance scheduling. Built-in opto-coupler galvanic isolation and noise suppression circuits filter electromagnetic interference and transient voltage spikes from long field cables, protecting internal counting circuits from damage in electrically noisy power plant environments. Industrial-grade high-speed counting chips and rugged reinforced PCB layout are adopted, featuring strong anti-vibration performance and stable long-term operation under environments with dust, humidity and temperature fluctuation. It uses standard rack slot plug-in structure for simple installation and fast replacement during on-site maintenance, effectively cutting down equipment maintenance downtime. The Emerson 1C31150G01 cooperates with Ovation termination bases, CPU modules and rack power supplies to build complete Ovation DCS process control solutions. It is widely used in turbine shaft speed monitoring, boiler fuel flow totalization, chemical plant pulse flow measurement and oil & gas pipeline automation, delivering dependable pulse accumulation and minimizing unexpected downtime of process production equipment.

Specifications

Brand: Emerson (Ovation)

Model: 1C31150G01

Product Type: Pulse Accumulator Module

Function: Pulse signal counting, frequency measurement, accumulated total capture, channel fault self-diagnosis

Application: Ovation distributed control rack system, power station, chemical plant, oil & gas pipeline automation

Feature: Local high-speed counting, opto-isolated input, configurable scaling, rack slot mounting