Emerson 1C31147G02 Ovation Pulse Accumulator Module

Technical Specifications

Model：1C31147G02

Brand：Emerson

Product Type：Enhanced 2‑Channel Pulse Accumulator Module

Applicable System：Emerson Ovation distributed control system thermal power plant DCS control cabinet

Channel quantity：2 independent pulse input channels

Max input frequency：100kHz high‑speed pulse input

Counter resolution：32‑bit hardware counter

Input level：5VDC 12VDC 24‑48VDC pulse signal

Measurement mode：Pulse accumulation frequency measurement pulse‑period measurement totalizer function

Isolation：1000Vrms field‑to‑backplane galvanic isolation

Backplane power：24VDC from Ovation I/O base

Installation：Plug‑in installation for matched Ovation I/O base

Common Revision：G02 hardware revised version

Status Indicator：On‑board LED for power status channel status module fault indication

Built‑in Function：High‑speed pulse counting flow totalization rotating‑speed acquisition hardware noise filtering channel fault diagnosis support module hot‑swap process measurement for high‑speed flowmeters turbine‑shaft encoders and pulse transmitters

Working Temperature：0℃ ~ +60℃

Storage Temperature：‑40℃ ~ +85℃

Protection Class：IP20

Weight：0.68kg

Product Brief:

1C31147G02 is Emerson Ovation enhanced pulse accumulator module G02 hardware revision optimized for higher‑speed pulse‑based process measurement

It is plugged onto matched I/O base unit acquires high‑speed pulse signals from field high‑frequency flow meters shaft encoders and pulse output transmitters

Compared with G01 version it raises maximum input frequency up to 100kHz meets higher‑speed rotating‑equipment and fast pulse‑metering application requirements

This module provides 32‑bit hardware counter supports pulse accumulation frequency and period measurement widely used for thermal‑process flow totalization turbine rotating‑speed monitoring

Multiple pulse‑input voltage levels adapt different field sensor output specifications simplifies on‑site signal matching

Built‑in hardware filter suppresses industrial electromagnetic noise guarantees counting accuracy under harsh plant environment

1000Vrms isolation separates field pulse side from DCS backplane avoids ground‑loop interference and transient surge damage

On‑board LED indicators display power channel working and fault status convenient for on‑site troubleshooting

The module supports hot‑swap operation can be replaced online without system shutdown for convenient site maintenance

This is EOL discontinued spare part widely used for maintenance and renovation of thermal power plant Ovation DCS system

Please confirm matched I/O base unit before purchase

Strict ESD anti‑static protection shall be followed during installation and replacement