PHARPS32000000 -

ABB Bailey PHARPS32000000 Power Supply Module — Technical Specifications and Product Overview

The ABB Bailey PHARPS32000000 Power Supply Module is a high-performance industrial-grade power module designed to provide stable and reliable DC power to automation and control systems. It is part of ABB’s Bailey INFI 90 and Symphony series, known for their exceptional reliability and long service life in process automation. This power module ensures that control systems, input/output modules, and communication units operate continuously, even under challenging industrial environments.

Product Overview

The PHARPS32000000 module serves as a regulated power supply that converts incoming AC power into a clean and steady DC output suitable for sensitive automation electronics. It is specifically engineered for the ABB Bailey DCS (Distributed Control System) family, supporting stable voltage and current delivery for critical components such as controllers, I/O modules, and communication interfaces.

Engineered with ABB’s advanced design standards, this power module incorporates overload protection, temperature monitoring, and fault detection features. It minimizes downtime and protects the connected equipment from voltage fluctuations, surges, and transient disturbances.

Key Features

High Reliability:
Designed for 24/7 industrial operation, ensuring continuous power to control systems without interruption.
Stable DC Output:
Provides precise and noise-free DC voltage suitable for automation modules and control electronics.
Built-In Protection:
Includes over-voltage, short-circuit, and over-temperature protection for enhanced operational safety.
Compact and Modular Design:
Optimized for rack-mounted installation within Bailey DCS systems, allowing easy replacement and maintenance.
Wide Input Range:
Accepts standard AC input voltage and delivers consistent DC output across varying load conditions.
Thermal Efficiency:
Efficient power conversion minimizes heat generation and reduces the need for external cooling.

Technical Specifications

Electrical Characteristics:

Model Number: PHARPS32000000
Function: Regulated power supply module for ABB Bailey DCS systems
Input Voltage: 85–264 VAC, 47–63 Hz (universal input range)
Input Current: Typically less than 2 A at nominal voltage
Output Voltage: 24 VDC regulated (nominal)
Output Current: Up to 5 A continuous (depending on configuration)
Output Ripple and Noise: < 50 mV peak-to-peak
Power Factor: ≥ 0.95 (active PFC correction built-in)
Efficiency: Typically 85–90% under rated load
Isolation: Reinforced insulation between input and output, dielectric strength 1500 VAC

Protection and Safety:

Overload Protection: Automatic current limiting with recovery after load removal
Overvoltage Protection: Output shutdown or crowbar circuit activation if output exceeds limit
Short Circuit Protection: Continuous protection with automatic recovery
Overtemperature Protection: Thermal shutdown at excessive internal temperatures
Surge Protection: Integrated transient suppression circuits to protect sensitive components
Safety Compliance: Meets IEC/EN 61010 and UL recognized safety standards

Environmental Conditions:

Operating Temperature: −10°C to +60°C (derating above 50°C)
Storage Temperature: −25°C to +85°C
Humidity: 5–95% RH, non-condensing
Vibration Resistance: 10–150 Hz, 1.5 mm amplitude
Shock Resistance: 15 g for 11 ms
Altitude: Up to 2000 m without derating

Mechanical Specifications:

Mounting Type: Rack-mounted (Bailey system backplane compatible)
Cooling Method: Natural convection and system ventilation
Dimensions (H × W × D): Approximately 180 × 40 × 250 mm
Weight: Around 1.8 kg
Material: Aluminum alloy and flame-retardant ABS plastic housing

Functional Description

The ABB Bailey PHARPS32000000 operates as a critical component within the control system power distribution network. Its main function is to convert standard AC mains power into a regulated DC voltage that supplies the DCS modules, controllers, and field communication units.

Internally, the module includes high-frequency switching converters for efficient power transformation, followed by precision voltage regulation and output filtering to ensure a clean, low-noise DC supply. The built-in diagnostics continuously monitor internal voltage, current, and temperature, automatically shutting down the unit in case of anomalies. This prevents potential damage to both the module and downstream electronic components.

The modular design allows quick replacement without disturbing other system operations. It supports hot-swap capability in certain configurations, enabling maintenance without system downtime — an essential feature for critical industrial environments such as refineries, power plants, and chemical production lines.

Applications

The PHARPS32000000 power module is widely used across industries where continuous and reliable power delivery is essential. Its design fits seamlessly into ABB’s Bailey DCS system architecture. Common applications include:

Oil and Gas Processing: Powering control modules that regulate flow, temperature, and pressure systems.
Power Generation: Supporting turbine control and electrical distribution management.
Chemical and Petrochemical Plants: Ensuring stable operation of monitoring and safety systems.
Pulp and Paper Industry: Maintaining stable process control for motors, valves, and actuators.
Water and Wastewater Treatment: Providing reliable DC power for pumps, sensors, and controllers.

Performance and Reliability

The PHARPS32000000 is built with ABB’s stringent quality standards, ensuring high Mean Time Between Failures (MTBF) and consistent performance under electrical stress. It can withstand voltage surges and transient interference common in industrial environments.

The module’s power conversion topology ensures that even during voltage dips or minor input fluctuations, the output remains steady within ±1% of the nominal value. This stability is critical for maintaining accurate control and measurement in DCS systems.

Its passive cooling and efficient circuit design help maintain internal component longevity, minimizing energy loss and thermal stress.

Maintenance and Serviceability

One of the notable advantages of the PHARPS32000000 is its modular maintenance design. Technicians can replace the module directly in the field with minimal tools. The front panel includes diagnostic indicators that show operating status, fault conditions, and power presence.

Routine maintenance involves verifying clean air circulation, inspecting connectors for dust or corrosion, and ensuring stable AC supply. The robust build and self-protective features greatly reduce the frequency of replacements and unexpected power failures.

Summary

The ABB Bailey PHARPS32000000 Power Supply Module represents a dependable and efficient solution for distributed control systems requiring continuous and stable DC power. Its advanced protection, compact design, and high efficiency make it ideal for mission-critical applications across industrial sectors.

Key Highlights:

Input: 85–264 VAC
Output: 24 VDC / 5 A
Efficiency: Up to 90%
Protection: Overvoltage, overload, short-circuit, overtemperature
Operating Range: −10°C to +60°C
Applications: ABB Bailey DCS, INFI 90, and Symphony systems

With its proven reliability and ABB engineering quality, the PHARPS32000000 continues to be a trusted choice for industrial automation professionals seeking stable power performance and long-term operational safety.