Application Scenarios
At a Scandinavian substation automation project, engineers deployed AC 800M controllers powered exclusively by YPP110A (DCF1061134R0001) modules due to the site’s reliance on a 24 VDC battery-backed DC distribution system. During a lightning-induced surge that damaged one power supply, the redundant YPP110A seamlessly took over within <10 ms, preventing any interruption to breaker control or synchrophasor data streaming. The event was automatically logged in System 800xA, triggering a maintenance work order—showcasing how this compact PSU plays a critical role in grid reliability and cyber-physical resilience.
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Technical Principles and Innovative Values
Innovation Point 1: Native DC Input for Critical Infrastructure
Most industrial sites use AC power, but substations, rail signaling, and offshore rigs rely on 24 VDC battery systems for fail-safe operation. The YPP110A eliminates the need for external AC/DC converters, reducing points of failure.
Innovation Point 2: Seamless Redundancy with Diode-OR Backplane Integration
When two YPP110A modules are installed, internal diodes prevent back-feeding, enabling automatic failover without relays or complex logic—ensuring bumpless transition during faults.
Innovation Point 3: Deep System 800xA Integration
Unlike generic PSUs, the YPP110A reports voltage levels, temperature, and fault codes directly to the engineering station, enabling predictive maintenance and compliance reporting.
Innovation Point 4: Compact Design for Space-Constrained Cabinets
Its slim 6U VME-compatible form factor allows dense packing in control panels—critical in retrofit projects where panel space is limited.
Application Cases and Industry Value
Rail Signaling: Powers AC 800M-based interlocking systems across European mainlines, where 24 VDC battery backup ensures signal integrity during grid outages.
Nuclear Power: Used in non-safety but vital monitoring systems (e.g., HVAC, coolant pumps) requiring SIL 2 compliance and DC power resilience.
Mining: Deployed in underground conveyor control rooms where explosive atmospheres mandate intrinsically safe DC power distribution.
Related Product Combination Solutions
AC 800M CPUs: PM864. PM865. PM866 (require YPP110A or YPP120A for power)
Baseplates: TK801A (single slot), TK802A (dual slot for redundancy)
Alternative PSU: YPP120A – higher-power version for racks with multiple communication modules
System 800xA: Full DCS platform for configuration, diagnostics, and asset management
I/O Modules: S800 series (e.g., AI810. DI810) powered via the same backplane
Communication Modules: CI854 (Profibus), TB820 (Ethernet/IP), FI820F (Foundation Fieldbus)
Note: The YPP110A (DCF1061134R0001) is distinct from AC-input PSUs like the YPA110. Always confirm your plant’s power architecture before ordering.
Installation, Maintenance, and Full-Cycle Support
Install the YPP110A onto a TK80x baseplate in the AC 800M rack. Connect 24 VDC+ and 0 VDC to the spring-clamp terminals. For redundancy, install a second YPP110A adjacent to the first—the backplane handles load sharing automatically.
Maintenance best practices:
Check green OK LED during routine rounds
Monitor “Power Supply Fault” alarms in System 800xA
Replace units showing intermittent faults—even if operational—to avoid unexpected downtime
Although newer ABB platforms (e.g., AC 900F, Compact DCS) use different power architectures, the YPP110A remains in widespread use. We offer:
New surplus (original ABB packaging, unused)
Refurbished & tested units (full functional test: input range, redundancy switchover, diagnostic reporting)
Compatibility verification with your AC 800M firmware and baseplate revision
All units include a 12-month warranty and technical datasheet.
Contact us for ABB DCF1061134R0001 (YPP110A) power supply solutions—whether you’re replacing a failed unit, building a spare kit, or modernizing a legacy 800xA system. In DC-powered critical infrastructure, this module isn’t just a power source—it’s a pillar of operational continuity.
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