Emerson DA7281520 P152 Power Supply Module
- Product Code: DA7281520 P152
- Availability: In Stock
Emerson DA7281520 P152 Power Supply Module
Ovation Distributed Control System Power Supply
Overview
The Emerson DA7281520 P152 is a high-performance power supply module designed for use in Emerson's Ovation distributed control system. This critical component provides reliable and regulated power to various system components in industrial automation applications, ensuring stable operation of control systems in demanding environments.
Engineered to meet the stringent requirements of industrial process control, the DA7281520 P152 features robust construction, comprehensive protection mechanisms, and advanced monitoring capabilities. Its modular design allows for easy installation, maintenance, and system expansion, making it an essential component in Emerson's Ovation control system architecture.
Specifications
Input Specifications
- Input Voltage: 120/240V AC, single-phase
- Input Frequency: 50/60 Hz
- Input Current: 3.5A (120V), 1.8A (240V)
- Input Power: 420W maximum
- Inrush Current: 30A maximum
Output Specifications
- Output Voltage: +5V DC, +15V DC, -15V DC
- Output Current: +5V: 40A, ±15V: 8A each
- Voltage Regulation: ±0.5% typical
- Ripple & Noise: <50mV peak-to-peak
- Efficiency: 85% minimum at full load
Protection Features
- Overcurrent Protection: Current limiting with auto-recovery
- Overvoltage Protection: Crowbar circuit
- Undervoltage Protection: Brownout detection
- Short Circuit Protection: Hiccup mode
- Thermal Protection: Temperature sensing with shutdown
Environmental Specifications
- Operating Temperature: 0°C to 60°C
- Storage Temperature: -40°C to 85°C
- Humidity: 5% to 95% non-condensing
- Altitude: Up to 2000 meters
- IP Rating: IP20 (when mounted in enclosure)
Physical Specifications
- Dimensions: 152 x 102 x 76 mm
- Weight: 0.8 kg (approx.)
- Mounting: Ovation rack mount
- Enclosure: Steel with powder coating
- Cooling: Forced air via internal fan
Monitoring & Control
- Status Indicators: Power OK LED indicators
- Voltage Monitoring: Output voltage sense
- Current Monitoring: Output current sense
- Temperature Monitoring: Internal sensors
- Remote Sense: Output voltage compensation
Features
Multi-Output Configuration
Provides multiple regulated output voltages (+5V DC, +15V DC, -15V DC) from a single module to power various components of the Ovation control system. Eliminates the need for multiple power supplies and simplifies system design.
High Reliability Design
Designed for high reliability with MTBF >100,000 hours. Incorporates redundant components and protection circuits to ensure continuous operation in critical process control applications.
Comprehensive Protection
Multi-layered protection mechanisms including overcurrent, overvoltage, undervoltage, short circuit, and thermal protection. Safeguards both the power supply and connected equipment from damage under fault conditions.
Advanced Monitoring
Comprehensive monitoring capabilities including output voltage, current, and temperature monitoring. Provides real-time status information for predictive maintenance and troubleshooting.
Hot Swappable Design
Hot swappable module design allows for replacement without system shutdown. Minimizes downtime during maintenance or fault conditions. Supports high-availability system configurations.
Wide Input Voltage Range
Accepts a wide input voltage range (120/240V AC) with automatic selection. Provides flexibility for use in different regions and with various power sources.
Low Output Ripple
Low output ripple and noise (<50mV peak-to-peak) ensures clean power for sensitive electronic components. Prevents interference with control system signals and ensures reliable operation.
Remote Sense Compensation
Remote sense capability compensates for voltage drops in power distribution cables. Ensures precise voltage regulation at the load regardless of cable length or current draw.
Applications
Power Generation
Ideal for power plant control systems including fossil fuel, nuclear, and renewable energy facilities. Provides reliable power for Ovation control system components in critical power generation applications.
Oil & Gas Processing
Well-suited for oil and gas applications including upstream, midstream, and downstream operations. Provides reliable power for control systems in refineries, pipelines, and offshore platforms.
Chemical Processing
Suitable for chemical manufacturing facilities requiring precise process control. Provides stable power for Ovation control system components in hazardous and corrosive environments.
Pharmaceutical Manufacturing
Perfect for pharmaceutical production facilities requiring strict process control and documentation. Provides reliable power for Ovation systems in GMP-compliant environments.
Food & Beverage Processing
Designed for food and beverage manufacturing facilities. Provides reliable power for Ovation control systems in sanitary environments with strict cleanliness requirements.
Water & Wastewater Treatment
Excellent for water treatment and wastewater management facilities. Provides reliable power for Ovation control systems in distributed water treatment networks.
Technical Details
Power Conversion
- Topology: Switch-mode power supply
- Switching Frequency: 100kHz
- Power Factor Correction: Active PFC
- Line Regulation: ±0.2% typical
Output Characteristics
- Load Regulation: ±0.3% typical
- Transient Response: <500μs
- Hold-up Time: 20ms minimum
- Cross Regulation: ±5% typical
Protection Details
- Overcurrent Threshold: 110-150% of rated current
- Overvoltage Threshold: 6.0V (5V output)
- Overvoltage Threshold: 18.0V (15V outputs)
- Thermal Shutdown: 85°C ±5°C
Connector Details
- Input Connector: Terminal block
- Output Connector: Ovation backplane connector
- Control Connector: 25-pin D-sub
- Wire Size: 14-18 AWG (input)
LED Indicators
- +5V OK: Green LED
- +15V OK: Green LED
- -15V OK: Green LED
- Over temperature: Red LED
Certifications & Standards
- Safety: UL 61010-1, CSA C22.2 No. 61010-1
- EMC: EN 61326-1, FCC Part 15 Class A
- Environmental: RoHS 2011/65/EU
- Compliance: CE marked
Additional Information
Installation & Maintenance
The Emerson DA7281520 P152 power supply module is designed for easy installation in Ovation control system racks. The module slides into the rack and connects to the backplane connector. Proper input power wiring should be performed following all safety precautions and local electrical codes.
Regular maintenance includes periodic inspection of connections, cleaning of air filters, and verification of cooling fan operation. The module features LED indicators for quick status verification. Firmware updates, if applicable, can be performed through the Ovation system software.
For optimal performance, the module should be operated within the specified temperature and humidity ranges. Adequate ventilation should be provided to ensure proper heat dissipation. The module should be powered down before performing any maintenance or troubleshooting procedures.
Emerson Electric Co.
Automation Solutions
Document Number: DA7281520-P152-DOC
Last Updated: 2025