Emerson 1X00126H01 Product Description
 I. Product Overview

The Emerson 1X00126H01 is a high-performance redundant power module of the Emerson Ovation DCS system. It belongs to the Ovation 1X series of power units and is specifically designed for the core power supply of control cabinets in critical process industries such as power, chemical, and metallurgy. As the main power core of the system, it provides stable and pure 24V DC power for the Ovation controller, I/O modules, communication units, and field instruments. It integrates wide-range input, N+1 redundancy, multiple electrical protections, hot-swappable design, and high anti-interference capabilities. It is a key power equipment that ensures the uninterrupted operation of the Ovation DCS system 24 hours a day, 7 days a week. 

II. Core Functions

Wide input range and high-precision voltage stabilization: Supports AC 85–264V (47–63Hz) or DC 100–300V global standard power supply input, suitable for industrial power grids in different regions; Precisely outputs a 24V DC stable voltage, with voltage fluctuation controlled within ±0.5%, providing a pure power supply for precise control components, avoiding control abnormalities caused by voltage drift.

N+1 redundant architecture and seamless switching: Supports forming a redundant power supply system with the same model modules, with seamless switching within milliseconds when a single module fails, without power interruption, completely eliminating single-point power failure; In the redundant mode, the load is automatically evenly distributed, extending the module lifespan, and meeting the high availability requirements for critical processes.

Full-dimensional electrical protection mechanism: Integrates overvoltage, undervoltage, overcurrent, overload, short circuit, and reverse polarity protection; In case of a fault, automatically limits current or cuts off the output, protecting the module and all loads at the rear end; After the fault is resolved, it automatically resumes power supply, without the need for manual reset, reducing operation and maintenance risks and downtime probability.

Industrial-level isolation and strong anti-interference capability: The input and output sides have 1500V AC/DC electrical isolation; Built-in surge suppression, static protection, and EMI filtering circuits effectively resist industrial site electromagnetic interference, voltage spikes, and ground potential difference effects, suitable for strong interference and high-noise industrial environments.

Wide temperature operation and long-life design: Uses industrial-grade components and reinforced structure, capable of operating at extreme temperatures of **-40℃ to + 70℃** with no performance degradation; Average Mean Time Between Failures (MTBF) ≥ 500,000 hours, meeting the requirements for long-term continuous operation in process industries.

Real-time status monitoring and fault alarm: Integrates a power status monitoring circuit, which displays real-time status of power supply normal, fault, overload, overvoltage, etc. through panel LED indicator lights; Supports dry contact alarm output, which can be connected to DCS systems or local alarm devices, promptly reflecting power supply abnormalities, facilitating rapid fault troubleshooting.

Online hot-swappable and convenient integration: Standard Ovation module specifications, support hot-swappable without system shutdown, replacing modules does not affect production continuity; Compatible with Ovation standard control cabinets DIN rail installation, plug-and-play, simplifying deployment and maintenance processes.

Efficient heat dissipation and low-energy design: Uses an efficient switching power supply topology, with a conversion efficiency ≥ 92%, reducing cabinet heat generation; Metal enclosure combined with passive convection cooling, no fan design, reducing failure points, improving long-term operational reliability, and reducing operation and maintenance costs. Undervoltage protection: Output < 19.5V DC, alarm and cut off the output, then automatically recover.

Overcurrent / Overload protection: 110% - 150% of rated current, automatically limit the current; > 150% of rated current, cut off the output, then automatically recover.

Short circuit protection: Output short circuit, immediately cut off the output, and automatically recover when the fault is removed.

Reverse polarity protection: Input reversed connection, no output, protecting the module from damage.

(4) Environmental parameters

Operating temperature: -40°C to + 70°C (full load without reduction).

Storage temperature: -40°C to + 85°C.

Relative humidity: 5% - 95% (non-condensing).

Anti-vibration: Complies with IEC 60068-2-6 standard, 10 - 150Hz, 0.15mm amplitude.

Anti-shock: Complies with IEC 60068-2-27 standard, 15g, 11ms half-sine wave.

Protection level: IP20 (module body), dustproof and foreign object protection.

Heat dissipation method: Passive convection cooling, no fan design.

(5) Physical parameters

Size: 157mm × 79mm × 20mm (length × width × height), compact design, suitable for standard control cabinets.

Weight: Approximately 0.75kg, lightweight design, facilitating installation and replacement.

Material: Industrial-grade metal casing, internal circuit board coated with moisture-proof, salt fog-proof, and corrosion-proof three-proof coatings, suitable for harsh working conditions.

Certifications: CE, UL 508, RoHS, IEC 61000-6-2/4, meeting industrial control safety and electromagnetic compatibility standards.

Four, Product features

High-reliability redundant power supply, zero interruption guarantee: N + 1 redundant architecture combined with millisecond-level seamless switching, multiple electrical protections, wide temperature stability operation, completely eliminating single-point power distribution failures, ensuring the DCS system to operate continuously 7×24 hours, suitable for power plants, chemical plants, etc. key production scenarios.

High-precision pure output, protecting precise loads: ±0.5% stable voltage accuracy, low ripple noise, 1500V isolation design, providing pure power supply for Ovation controllers, I/O modules, etc. precise components, avoiding control abnormalities or equipment damage caused by voltage fluctuations and interference.

Adaptation to harsh environments, worry-free long-term operation: -40°C to + 70°C ultra-wide temperature range operation, strong anti-vibration and shock resistance, IP20 protection and three-proof coating, able to withstand humid, dust, strong electromagnetic interference and other harsh working conditions, long-term operation stable and reliable, reducing maintenance frequency.

Easy deployment and maintenance, reducing operation and maintenance costs: standard DIN rail installation, supports hot swapping, plug-and-play; LED status indication + system self-diagnosis, quick fault location; no fan design reduces maintenance points, reduces downtime risk and operation and maintenance costs.

Efficient energy saving, optimizing cabinet environment: ≥ 92% conversion efficiency, low energy consumption reduces cabinet heat generation; passive convection cooling without fan, reduces noise and failure probability, suitable for control cabinet sealed environment operation, prolongs the overall lifespan of equipment within the cabinet.

Five, Application scope

Power industry: Ovation DCS system for thermal power, hydropower, nuclear power, providing centralized power distribution for key equipment such as boilers, steam turbines, generators, etc., ensuring the safety and stable operation of the units.

Chemical industry: Petrochemical, fine chemical, coal chemical plants, providing unified power supply for on-site intelligent instruments, actuators, controllers and monitoring terminals, suitable for continuous production and explosion-proof, strong interference environments of chemical plants.

Metallurgical industry: Steel, non-ferrous metal smelting automation systems, providing power distribution for control units and communication equipment of heating furnaces, rolling mills, blast furnaces, etc., able to withstand high temperatures, dust, strong electromagnetic interference environments of the metallurgical industry. Other industrial scenarios: The Ovation DCS system in large-scale water treatment, papermaking, cement and other industries serves as the core power distribution equipment, providing a stable 24V DC power supply for all control and communication components of the system, ensuring its reliable operation.

VI. Installation and Maintenance

(1) Installation Requirements

Installation location: Installed on the standard DIN rail within the Ovation standard control cabinet, firmly fixed to avoid vibration and loosening; reserve a ≥50mm space for heat dissipation above and below the module, ensuring good ventilation and avoiding overheating.

Environmental requirements: The environmental temperature should be controlled within -40℃ to +70℃, with humidity ranging from 5% to 95% (non-condensing); Stay away from strong electromagnetic sources, heat sources, avoid direct sunlight and dust accumulation, and clean the cabinet's heat dissipation channels regularly.

Cable connection specifications: Clearly distinguish the positive and negative poles of the input/output connections, ensure firm connections without loosening; Use multi-strand copper wires for output lines with a cross-sectional area of ≥1.5mm² to avoid voltage drop caused by long-distance thin wires; Secure the grounding terminal to the cabinet's protection ground reliably to reduce interference.

(2) Maintenance Points

Regular inspection: Monthly check the appearance of the module, the status of LED indicators, and whether the connections are loose, confirm the normal output voltage; Check the DCS system alarm log to identify potential fault hazards.

Cleaning maintenance: Clean the module surface, heat dissipation channels, and connection terminals quarterly with a dry soft cloth, remove dust and oil stains to prevent blockage or poor contact; Check the connection terminals and promptly tighten loose joints.

Fault troubleshooting: When there is no output, first check the input power supply and connections for normality, then check the LED indicator status; When overloading or short circuit occurs, disconnect the output load, troubleshoot the load fault before restarting the power supply; When the module fails, perform hot-swapping replacement operation.

Replacement considerations: Support online hot-swapping, no need to stop the machine for replacement; After replacement, check the output voltage, test the redundant switching function, and confirm normal operation before putting it into use.

VII. Order Information

Product model: 1X00126H01

Brand: Emerson (Emerson)

Series: Ovation DCS System 1X Series Redundant Power Module

Packaging: Original anti-static packaging, including product manual, certificate of conformity, and installation accessories.

Origin: United States

Warranty: 12-month original factory warranty, supported by global technical support and after-sales maintenance services.