ABB SPS02 Symphony Plus Series

Configured for primary power conversion in Symphony Plus and INFI 90 architectures, the ABB SPS02 (2VAA008279R001 Power Supply Unit) provides direct physical/electrical execution. It functions as a high-capacity power module delivering regulated direct current to controller racks, extensive I/O subsystems, and high-demand field instrumentation.

Hardware Specifications

Industrial Control and Drive Hardware

The power module utilizes integrated backplane bus communication velocity paths to monitor internal operational variables. It provides high-capacity I/O density scaling support by delivering 20 A of continuous current across the power rails, preventing localized voltage sag when high-density digital and analog sub-modules operate concurrently. Built-in firmware flash compatibility allows integrated diagnostic circuits to report thermal profiles and current load statistics over the host control network without introducing system loop latency.

Frequently Asked Questions

Q: How is the SPS02 module configured to provide active N+1 power supply redundancy?

A: The hardware architecture features internal decoupling diodes that allow multiple units to be wired in parallel on a shared power bus, enabling automatic load sharing and immediate isolation of a failed module without voltage interruption.

Q: What are the restrictions regarding hot-swapping this module under active system load?

A: The unit is designed with mechanical and electrical sequencing pins that tolerate direct extraction and insertion while the subrack is energized, allowing replacement during live operation without interrupting power to connected controllers.

Q: Does the wide-range AC input stage require manual selection jumper adjustments for 120 VAC or 240 VAC grids?

A: No, the input circuitry features an auto-ranging configuration that accommodates voltage inputs from 100 VAC to 240 VAC continuously at either 50 Hz or 60 Hz line frequencies.

Field Installation Guidelines

Mount the power module securely to the designated enclosure frame or rail assembly using the integrated mechanical locking hardware. Route all incoming AC power lines and 24 VDC output lines within separated, grounded wireways to minimize high-frequency cross-coupling from adjacent motor drive cables. Connect the primary earth grounding terminal directly to the main copper instrumentation earth busbar inside the cabinet using low-impedance cabling. Maintain a minimum clear perimeter of 50 mm above and below the ventilated chassis to ensure unobstructed vertical thermal convection and prevent internal heat accumulation.