EMERSON 1X00301H01 Product Description

I. Product Overview

The Emerson 1X00301H01 is a high-performance power module of the 1X series in the Emerson Ovation DCS system. It was formerly part of the Westinghouse control product line. It is specifically designed to provide stable and pure DC power for the Ovation I/O rack and control station, offering reliable energy support for all I/O cards, controllers, and communication modules. It is the core power unit of the entire Ovation control hardware system.

This module features a wide voltage input range, multiple isolated outputs, redundant parallel operation, and comprehensive fault diagnosis and protection capabilities. It is suitable for high-reliability requirements in critical process industries such as power, chemical, oil and gas, and metallurgy, ensuring the continuous and uninterrupted operation of the Ovation DCS system 7×24 hours, and preventing production disruptions caused by power abnormalities.

II. Core Functions

Wide-range AC input, compatible with global power supply standards

Supports 85–264V AC wide-range AC voltage input, covering the commonly used industrial power supply specifications (110V/120V/220V/230V/240V AC), with input frequency ranging from 47–63Hz. It can adapt to voltage fluctuations and frequency offsets in the power grid and can be directly connected to the on-site AC power supply without an additional transformer, making deployment flexible and convenient.

Multiple isolated DC outputs, precise power supply for I/O system

Provides multiple isolated 24V DC outputs, specifically for powering the backplane of the Ovation I/O rack. Each output has stable current and sufficient total output power, capable of driving all I/O cards (including AI, AO, DI, DO, communication cards, etc.) at full load; the output voltage has high accuracy and low ripple noise, avoiding voltage drift or interference from noise affecting the sampling accuracy and communication stability of the I/O module.

Redundant parallel operation, zero switching guarantee continuous power supply

Supports N+1 redundancy configuration. Multiple 1X00301H01 can be installed in the same rack in parallel, with load distribution evenly; when any module fails, loses power, or is unplugged, the remaining modules automatically take over all loads seamlessly, with a switching time of ≤ 10ms, without voltage drop or system interruption, completely eliminating the risk of single-point power failure and meeting the requirements of high-security industrial scenarios.

Complete electrical protection, all-round protection of power supply safety

Integrates input overvoltage/undervoltage, output overcurrent/short circuit, overtemperature, and lightning surge multiple protection mechanisms: Input abnormalities are automatically locked for protection to prevent module damage; output short circuit/overcurrent automatically limits current and isolates the fault, not affecting other outputs and the system; internal temperature exceeds the limit, automatically reduces capacity or shuts down to avoid burning; built-in surge suppressor can withstand power grid lightning strikes and transient impacts, protecting all I/O devices at the rear end.

Intelligent diagnosis and status monitoring, rapid fault location

The panel is equipped with multiple sets of high-brightness LED indicators for power, operation, fault, and redundancy status, intuitively displaying input power supply, output status, fault alarms, and redundancy coordination; supports remote diagnosis of the Ovation system, which can upload input voltage, output current, module temperature, fault codes, redundancy operation status, etc., and the background can monitor health status in real time, accurately locate faults, and shorten troubleshooting time. 

Industrial-grade rugged design, stable operation under harsh conditions

Uses military-grade components and reinforced PCB boards, with the circuit board coated with three protection coatings for moisture resistance, salt fog resistance, and corrosion resistance; operating temperature range: **-40℃ to + 70℃**, storage temperature: -55℃ to + 90℃, relative humidity 0%–95% RH (non-condensing); Resistant to vibration (5g rms, 10–500Hz) and shock (30g, 11ms half-sine wave), with an average failure-free time (MTBF) of ≥ 800,000 hours. Suitable for harsh industrial environments such as high temperatures, humidity, dust, and salt fog.

Plug-and-play, compatible with the entire Ovation I/O rack

Compatible with Ovation standard I/O rack DIN rail installation, sharing the backplane bus with I/O cards, plug-and-play, system automatically recognizes, no additional configuration required; compatible with all I/O cards, controllers (OCR3000/OCR1100, etc.) and backplanes of Ovation 1X series, supports online hot swapping replacement, no system shutdown required, maintenance is convenient, reducing downtime losses.

III. Technical Specifications

(1) Input Parameters

Input voltage: 85–264V AC (wide range adaptive)

Input frequency: 47–63Hz

Input current: ≤ 2.5A (full load, 110V AC)

Input shock current: ≤ 15A (25℃, cold start)

Input protection: overvoltage, undervoltage, lightning surge protection, EMI filtering

(2) Output Parameters

Output voltage: 24V DC (±1%, full load)

Output channels: multi-channel isolated output (compatible with Ovation backplane)

Output current: single channel rated current is sufficient to meet the entire I/O load

Output power: standard power, compatible with Ovation medium and large I/O racks

Output accuracy: ±0.5% (25℃, full load)

Ripple noise: ≤ 50mV peak-to-peak

Load regulation rate: ≤ 0.3% (0–100% load)

Output protection: overcurrent, short circuit, overvoltage, overheat automatic protection and recovery

(3) Redundancy Features

Redundancy configuration: supports N+1 redundant parallel operation

Switching time: ≤ 10ms (fault seamless switching)

Load balancing: automatic load balancing between redundant modules

Redundancy diagnosis: remote monitoring of redundant status, load distribution and fault switching records

(4) Electrical Parameters

Efficiency: ≥ 89% (full load, 230V AC input)

Power factor: ≥ 0.95 (full load)

Insulation strength: input-output 1500V AC/1min, input-outside shell 1500V AC/1min

Leakage current: ≤ 3.5mA (230V AC input)

(5) Environmental Parameters

Operating temperature: –40℃ to + 70℃ (full load without reduction)

Storage temperature: –55℃ to + 90℃

Relative humidity: 0%–95% RH (non-condensing)

Vibration resistance: 5g rms, 10Hz–500Hz

Shock resistance: 30g, 11ms half-sine wave

EMC performance: complies with EN 61000–6–1/2/3/4, CE, UL 508

Protection grade: IP20 (module body)

(6) Physical Parameters

Size: 121mm×25mm×70mm (length × width × height, standard 1X series size)

Weight: approximately 0.4kg

Material: industrial-grade metal enclosure, PCB board three-proof coating

Certifications: CE, UL 508, RoHS, CSA

Origin: USA

IV. Product Features

Wide AC input, universal for global power grids

85–264V AC wide voltage adaptive, no need for transformer configuration, directly compatible with industrial power supply in various countries, strong adaptability to grid fluctuations, reducing on-site power supply adaptation costs and complexity, efficient and convenient deployment.

Multi-channel isolated voltage regulation output, pure and stable I/O power supply Multi-channel 24V DC isolated output, with high voltage accuracy and low ripple, providing pure power supply for I/O cards, avoiding signal drift, communication errors or module failures caused by power supply interference, and ensuring the precise and reliable sampling and control of the I/O system.

N+1 redundant seamless switching, with zero power interruption

Redundant parallel design, fast fault switching, automatic load balancing, completely eliminating single-point power supply failures; online hot-swappable replacement, no need for shutdown, significantly improving the power supply continuity of the system, meeting the high reliability requirements of critical industrial scenarios.

Full-dimensional electrical protection, ensuring safe protection

Multiple protections including input, output, temperature, and surge, automatic isolation and recovery in case of faults, preventing module burnout and damage to downstream equipment; strict insulation design, blocking leakage and electric shock risks, suitable for complex industrial electrical environments.

Wide temperature reinforcement + three-proof design, long-term operation in harsh conditions

Extremely wide operating temperature range, three-proof coating protection, strong resistance to vibration and impact, suitable for extreme conditions such as high temperatures, humidity, dust, salt fog, etc., stable and reliable long-term operation, reducing the risk of faults caused by the environment.

LED indication + remote diagnosis, efficient and convenient operation and maintenance

Intuitive LED status display, enabling quick judgment of power supply and fault status at the site; remote real-time monitoring of module parameters and health status, precise location of fault codes, supporting hot-swappable maintenance, reducing operation difficulty and downtime.

VII. Application Scope

Power industry: Thermal power, hydropower, nuclear power Ovation DCS system, providing power supply for I/O racks of boiler, turbine, generator control stations, ensuring stable power supply for parameter collection and actuator control, supporting safe and efficient operation of power stations.

Chemical industry: Petrochemical, fine chemical, coal chemical plants, providing power supply for control stations of reaction vessels, distillation towers, compressors, etc., suitable for explosion-proof, strong interference, humid environments, ensuring continuous production and process safety.

Oil and gas industry: Oil and gas extraction, transportation, refining and processing plants, providing power supply for remote control stations and I/O racks, able to withstand extreme temperatures, sandstorms, salt fog environments, ensuring power supply continuity for equipment monitoring and control in oil and gas production.

Metallurgical industry: Steel, non-ferrous metal smelting automation systems, providing power supply for I/O of heating furnaces, rolling mills, cooling systems control stations, able to withstand high temperatures, dust, strong electromagnetic interference conditions, ensuring stable production processes.

Other industrial scenarios: Ovation DCS systems in large-scale water treatment, papermaking, cement, pharmaceutical industries, providing stable power supply for all plant I/O racks, remote control stations, supporting automated monitoring and interlock protection of production processes.

VII. Installation and Maintenance

(1) Installation Requirements

Installation location: Fixed on Ovation standard I/O rack DIN rails, installed firmly and vibration-proof; reserve ≥50mm above and below the module and ≥30mm left and right for heat dissipation space to ensure good ventilation and avoid high-temperature accumulation affecting module lifespan.

Environmental requirements: Working temperature -40°C to +70°C, humidity 0%–95% RH (non-condensing); away from strong heat sources, strong electromagnetic sources (such as frequency converters, large power motors), avoid direct sunlight and dust accumulation, regularly clean the cooling channels of the cabinet.

Cable connection specifications: AC input cables use flame-retardant cables, firmly connected without loosening, reliable grounding; output cables are compatible with Ovation backplane interfaces, distinguish positive and negative poles, avoiding reverse connection; redundant module indirect lines are matched to ensure load balancing and seamless switching.

(2) Maintenance Points

Regular inspection: Monthly inspection of module appearance, LED status indicator lights and connection terminals, confirm normal input and output voltages; check DCS system diagnostic logs to identify potential hazards such as voltage abnormalities, high temperatures, and redundant switching abnormalities. Cleaning and Maintenance: Every quarter, use a dry soft cloth to wipe the surface of the module, the ventilation ports, and the connection terminals, remove dust and oil stains, and prevent poor heat dissipation or poor contact; tighten the connection terminals to prevent loosening due to vibration.

Troubleshooting: When the output is abnormal, first check if the AC input and connections are normal, then check the LED fault indicator; for single-module failures, perform online hot swapping for replacement; for redundant switching failures, check the redundant connections and load distribution.

Replacement Notes: Online hot swapping is supported, so no shutdown is required during replacement; after replacement, verify the input and output voltages, load distribution, redundant switching function, and remote diagnostic status. Confirm everything is normal before putting it into operation.

VII. Order Information

Product Model: 1X00301H01

Brand: Emerson (Emerson)

Series: Ovation DCS System 1X Series High-Performance Power Module

Packaging: Original anti-static packaging, including the manual, certificate of conformity, and accessory for installation. Warranty: 12-month original factory warranty, with global technical support and after-sales maintenance services provided.