Emerson SE5009

Core Technical Specifications

• Input Voltage: 24VDC ±20% industrial cabinet power
• Output Channel 1 (Controller Logic): 5VDC, max 4A continuous
• Output Channel 2 (I/O Interface Field Power): 12VDC, max 8A continuous
• Conversion Efficiency: ≥90% full load power efficiency
• Hold-up Time: ≥5ms stable output under minimum input voltage full load
• Protection Mechanisms: Overvoltage, overcurrent, short-circuit, over-temperature automatic shutdown
• Soft Start Inrush Current: Peak 20A max within 5ms startup phase
• Operating Temperature: -20°C ~ +60°C full rated output; 60–70°C power derating required
• Storage Temperature: -40°C ~ +70°C
• Parallel Redundancy: Support up to 4 SE5009 modules load-sharing parallel connection
• Size: Standard S-series power slot module (140mm×50mm×190mm)

Function Features

1. Plug-and-play carrier slot installation, internal backplane power bus eliminates external power wiring
2. Automatic load balance when multiple units parallel redundant configuration
3. Built-in thermal cut-off protection; auto-recovery after temperature cooling
4. Internal non-replaceable input fuse to prevent reverse power supply damage
5. Output voltage ripple suppression circuit, low noise for sensitive analog I/O modules
6. Real-time power consumption telemetry transmitted to DeltaV system for power load monitoring
7. No external cooling fan required, full passive convection cooling design

Working Principle

Material Composition

• Housing: Black high thermal conductivity aluminum alloy extrusion shell with ventilation fins
• Internal PCB: High-current thick copper FR4 power board with tin-lead anti-corrosion coating
• Power Semiconductors: Low-loss MOSFET switching tubes, high-frequency isolation transformers
• Heat Dissipation Medium: Integrated aluminum heat sink bonded to power chips via thermal conductive silicone pad
• Terminal Connectors: High-current copper alloy screw terminals for 24VDC input wiring

Structural Characteristics

1. Standard DeltaV S-series carrier power slot form factor, snap lock mounting
2. Front panel multi-status LED: input power OK, 5V output normal, 12V output normal, fault alarm
3. Vertical side ventilation fin array for natural convection heat dissipation
4. Internal integrated backplane power contact pins, directly supply power to carrier internal bus without external cables
5. Single-piece aluminum shell shielding to block high-frequency switching EMI interference

Installation Requirements

1. Install only in dedicated power slots of DeltaV controller/I/O carrier rack
2. Maintain ≥50mm vertical top/bottom ventilation space for heat dissipation
3. Parallel redundant configuration must use identical SE5009 model versions
4. Input power wiring adopts 12–14AWG thick copper cable to reduce voltage drop
5. Cabinet ambient temperature must not exceed 60°C for continuous full-load operation
6. Avoid installing adjacent to frequency converters or high-current contactors to reduce electromagnetic interference

Application Scenarios

• All DeltaV DCS control cabinets for process industrial production lines
• Redundant power supply configuration for critical safety instrumented SIS systems
• Small-scale distributed control cabinets for water treatment, food processing
• Remote skid-mounted process control equipment power supply

Operation Precautions

1. Do not open aluminum housing; internal high-voltage circuit exists even after power cut
2. Strictly observe 24VDC input polarity; reverse connection triggers permanent internal fuse burnout
3. Do not mix SE5009 with other S-series power models in parallel load-sharing setup
4. Clean ventilation fins every 3 months in dusty factory environments to prevent heat accumulation
5. If fault LED illuminates, cut off input power and wait 15 minutes before re-powering to test auto-recovery
6. Do not exceed total combined output current rating when multiple I/O modules loaded on carrier rack