ABB Bailey PHARPS21010000 Power Supply Module

The ABB Bailey PHARPS21010000 is a high-performance power supply module engineered for use within the Bailey INFI 90 and Network 90 distributed control systems (DCS). This unit delivers stable and regulated DC power to control and I/O components, forming a core part of the system’s power architecture. Designed for mission-critical industrial applications, it ensures safe, uninterrupted operations and minimizes the risk of system failure due to power irregularities.

As part of ABB’s legacy automation product line, the PHARPS21010000 is crafted to meet the stringent reliability and durability standards of demanding industrial environments. It offers plug-and-play compatibility with Bailey control racks and supports both redundancy and fault-tolerant system architectures.

Product Specifications

Product Applications

The ABB PHARPS21010000 is ideal for a wide range of industrial automation systems requiring reliable and stable DC power. Its primary application scenarios include:

• Power Generation Facilities: Supplies power to turbine control systems and energy distribution automation.

• Chemical and Petrochemical Plants: Ensures continuous control operation in hazardous or corrosive environments.

• Paper and Pulp Industry: Supports sensors and actuators critical to process automation and product consistency.

• Metals and Mining: Operates under high-vibration and dusty conditions while maintaining system power integrity.

• Oil & Gas Terminals: Powers safety systems and remote I/O in both upstream and downstream operations.

• Pharmaceutical Manufacturing: Offers high-precision voltage regulation for validated process environments.

Product Advantages

• High Output Stability: Maintains precise voltage levels under varying load and input conditions.

• Plug-and-Play Installation: Designed for direct insertion into Bailey racks without additional configuration.

• Advanced Protection Features: Built-in safeguards against overvoltage, overload, and thermal faults.

• Wide Input Voltage Range: Accepts a broad input range for international and field flexibility.

• Low Noise Operation: Clean power output suitable for sensitive control electronics and analog systems.

• Long Service Life: Constructed from industrial-grade components for superior MTBF (Mean Time Between Failures).

• No Moving Parts: Fanless design reduces mechanical wear and minimizes dust intake.

• Supports Redundancy: Compatible with dual-module power setups for fault-tolerant applications.

• Compact Size: Easily fits into existing control cabinets without requiring extra space.

• OEM Recommended: Approved by ABB for use in maintaining the longevity of legacy Bailey DCS systems.

Frequently Asked Questions (FAQ)

1. What control systems are compatible with the PHARPS21010000?

   The module is specifically designed for use with ABB Bailey INFI 90 and Network 90 control systems.

2. What kind of outputs does this power supply provide?

   It delivers +5V, +15V, and -15V DC regulated outputs, suitable for both logic and analog control circuits.

3. Is the module redundant-capable?

   Yes, it supports redundant installation where two modules operate in parallel for fault tolerance.

4. How should this unit be cooled during operation?

   It utilizes natural convection cooling and does not require fans, making it ideal for cleanroom or dusty environments.

5. Can it handle high-vibration environments?

   Yes, it is robustly constructed for industrial conditions, including high vibration and temperature extremes.

6. Is this module hot-swappable?

   No, the system should be powered down before installing or removing the unit to avoid damage.

7. What happens during an overload or short circuit?

   The module includes automatic overload and short circuit protection with auto-recovery.

8. Does it meet global safety standards?

   Yes, it complies with CE, UL, CSA, and RoHS certifications for international usage.

9. Is it a drop-in replacement for older power modules?

   Yes, it is backward-compatible and can replace older Bailey power supply modules of similar form factor.

10. How do I identify a fault with the module?

    Most units include front-panel status indicators to visually show power, fault, and output status.