Detailed Product Description of Emerson 1D54574G02

1. Product Basic Information

1D54574G02 is an enhanced 24VDC power module of the 1D series of Emerson (formerly Westinghouse Electric) Ovation DCS. It provides high-reliability power supply for 1D series controllers and I/O racks, being the hardware upgrade version of 1D54574G01. The core improvements include increased output power, environmental tolerance, and redundancy stability. It is suitable for key control cabinets in large-scale process industries such as thermal power, chemical, and metallurgy, ensuring continuous operation of the system 7×24 hours. 

Brand: Emerson

Series: Ovation DCS 1D Series

Origin: USA

Warranty: Factory 12 months

Protection Grade: IP20

Installation: Standard DIN rail, tool-free assembly + supports hot swapping

II. Core Functional Characteristics

1. Power Upgrade, Stronger Load Capacity

Rated output 24VDC/10A (240W), compared to G01 (8A/192W), it has increased by 25%, capable of supporting full configuration of 1D rack (redundant controller + 16 I/O) for stable operation.

Output accuracy ≤±0.3%, conversion efficiency ≥90%, low heat generation, no voltage drop under long-term full load.

2. Comprehensive Protection, Safe Redundancy

Integrated six-layer protection including overvoltage, overcurrent, short circuit, reverse connection, surge, and overheat. Fault response <10μs, automatically cuts off and locks, protecting the downstream equipment; fault resolution self-recovery.

Supports dual-module redundant parallel (G02 + G02 or G02 + G01), load balance ±5%, master-slave switching <8ms, voltage fluctuation <0.5VDC, zero power loss, zero disturbance.

3. Wide Temperature, Strong Anti-interference, Suitable for Harsh Working Conditions

Operating temperature -25℃～+70℃ (G01: -20℃～+60℃), storage -40℃～+85℃, humidity 5%–95% without condensation.

Reinforced metal casing, anti-corrosion / anti-static / anti-salt fog coating, anti-vibration 5g, anti-EMI/EMC, MTBF ≥ 600,000 hours, lifespan 15 years +.

4. Intelligent Operation and Maintenance, Efficient and Convenient

Panel LED (power normal / alarm / fault) + dry contact fault signal upload to Ovation, remote monitoring of status.

Supports online hot swapping, no need to stop for replacement, maintenance <5 minutes; built-in self-diagnosis, precise fault location.

5. Global Certification, Compliant Universal

Passed CE, UL, CSA, TUV, RoHS certifications, lead-free environmentally friendly, compatible with global industrial power grids and project specifications.

III. Detailed Technical Parameters

Input voltage: 85～264VAC (47～63Hz); 120～370VDC compatible

Output voltage: 24VDC (adjustable 22～26VDC), accuracy ≤±0.3%

Output current: rated 10A, peak 12A

Rated power: 240W

Conversion efficiency: ≥90%

Protection characteristics: overvoltage, overcurrent, short circuit, reverse connection, surge (2kV), overheat (>85℃)

Redundancy characteristics: dual-module parallel, load balance, switching time <8ms

Environmental parameters: operating -25℃～+70℃; storage -40℃～+85℃; humidity 5%–95% without condensation

Physical specifications: 175mm×110mm×25mm, approximately 1.1kg, reinforced metal casing

Installation method: DIN rail, hot swapping

Certification: CE, UL, CSA, TUV, RoHS

IV. Typical Application Scenarios

Thermal Power Generation: Ovation 1D cabinet power supply, supporting redundant controllers and I/O for boilers / steam turbines / generators, redundant design to avoid unplanned shutdowns.

Petrochemical Industry: Power supply for core control systems of refining plants, reactors, etc., wide input range and anti-interference suitable for complex power grids and high-temperature, high-corrosion environments.

Metallurgical Industry: High-temperature furnaces, converters, steel rolling lines control cabinets, able to withstand high temperatures, dust, strong vibration, and strong electromagnetic interference.

Water Treatment / Environmental Protection: Ovation system for power supply to monitoring / dosing / pump valve controllers in sewage plants, water treatment plants, seawater desalination plants, suitable for outdoor cabinets in wide temperature range. Other process industries: Papermaking, pharmaceuticals, building materials, new energy, etc. 1D series cabinets provide highly reliable redundant power supply.

V. Supporting Compatibility Information

1. Hardware Compatibility

Compatible with Ovation 1D series cabinets and DIN rails; compatible with all 1D controller models (1D54557G03/G07/G10, etc.), I/O and communication modules.

Supports redundant parallel connection with the same series of 1D power supplies (1D54574G01, 1D54561G01/G02, etc.).

Compatible with 24VDC third-party instruments, sensors, and actuators.

2. Software Compatibility

Compatible with the entire Ovation monitoring / engineer station software, supporting status monitoring, alarm upload, and access to remote operation platforms.

3. On-site Accessories

Standardized with AC/DC cables, dedicated terminals, surge protectors, and shielding accessories; dedicated parallel cables are provided for redundant scenarios.

It is recommended to configure spare modules to shorten the time for fault replacement.