ABB PHARPS03000000 Harmony Block I/O DCS Power Supply Module
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SKU: PHARPS03000000
ABB PHARPS03000000 Harmony Block I/O DCS Power Supply Module
The ABB PHARPS03000000 delivers stabilized 24V DC power to Harmony Block I/O and Symphony Plus DCS systems. Featuring a rugged Swedish design and a 4.5kg industrial chassis, it ensures maximum uptime and protects critical field instrumentation from power fluctuations.
The ABB PHARPS03000000 operates as the foundational energy source for the Harmony Block I/O and Symphony Plus DCS architectures. Specifically, this module transforms fluctuating plant power into a precision-regulated 24V DC stream. Once stabilized, this energy flow then powers critical field sensors, actuators, and logic controllers. By performing this essential conversion, the unit actively prevents the signal drift and hardware resets that often plague sensitive automation networks.
Enhanced Technical Performance
Ensures Continuous Uptime: The module utilizes advanced filtration circuits to suppress electrical noise. In doing so, it protects the integrity of high-speed data communications against external interference.
Adapts to Global Standards: Because the unit supports a versatile input voltage range, it integrates seamlessly into diverse international power infrastructures. As a result, engineers can deploy the system globally without the need for additional step-down hardware.
Maximizes Cabinet Efficiency: Furthermore, the slim mechanical profile allows engineers to mount more modules within a single rack. This compact design effectively reduces the overall footprint of the control system while maintaining high power density.
Withstands Extreme Environments: Beyond simple power delivery, the ruggedized Swedish engineering enables the unit to resist vibrations and thermal stress. Consequently, it remains the preferred choice for heavy industrial processing zones where environmental conditions are unpredictable.
Simplifies Lifecycle Management: Finally, this module serves as a direct replacement for aging power units. By offering this backward compatibility, it allows facilities to extend the life of their existing Harmony systems without requiring costly or complex redesigns.
Technical Specifications
Manufacturer: ABB
Model Number: PHARPS03000000
Product Series: Harmony Block I/O / Symphony Plus
System Type: Distributed Control System (DCS)
Output Voltage: 24 V DC (Regulated)
Unit Weight: 4.5 kg
Chassis Dimensions: 22.9 x 10.2 x 45.7 cm
Manufacturing Origin: Sweden
Customs Code: 8537101190
Lifecycle Phase: Discontinued by OEM (Legacy Support Available)
Detailed Technical Specifications
Manufacturer: ABB
Model Number: PHARPS03000000
Core Product Range: Harmony Block I/O / Symphony Plus
Output Delivery: Stable 24 V DC
Physical Depth: 45.7 cm
Physical Width: 22.9 cm
Physical Height: 10.2 cm
Net Weight: 4.5 kg
Manufacturing Origin: Sweden
Customs Tariff (HS Code): 8537101190
Discontinuation Status: Officially retired by OEM Dec 31, 2018 (available as new-old-stock)
The GE IC695PSA140, also cataloged as the IC695PSA140 Power Supply Module, operates as a dedicated hardware component for power distribution and backplane bus regulation within PACSystems RX3i platforms.
Hardware Specifications
Parameter
Specification
Model
IC695PSA140
Brand
GE
Origin
USA
Weight
0.64 kg
Dimensions
4 x 21.7 x 29.1 cm
Operating Temp
0 deg C to 60 deg C
Power Consumption / Output
40 W max output; Input: 85-264 VAC or 100-300 VDC
Backplane Bus Communication and Firmware Compatibility
The module interfaces directly with the PACSystems RX3i backplane bus, supporting high-speed deterministic data exchange and status monitoring across connected CPU and I/O modules. Firmware flash compatibility ensures that system updates can be deployed directly through the programming environment without requiring hardware replacement. Multiple power supply modules can operate in parallel on a single backplane to provide load sharing and redundancy, maintaining stable bus voltage levels during high-current transient states.
Frequently Asked Questions
Q: What is the maximum number of power supplies supported in a single RX3i rack?A: Up to four power supplies can be installed in a single rack to support high-density configurations and load sharing.Q: How does the module handle input power interruptions?A: It provides a ride-through time of 20 milliseconds during a power failure to maintain reliable output states before shutdown.
Field Installation Guidelines
Ensure the rack is powered off before inserting or removing the power supply module. Mount the module securely into two designated backplane slots, locking the top and bottom latches to ensure proper mechanical and electrical seating. Connect the AC or DC power source to the terminal block in accordance with local electrical codes, ensuring proper earth grounding to the chassis ground stud to protect against surge voltages and electrical noise.
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