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ABB PU515A｜Real-time Accelerator (RTA) Board｜
PU515A
I/O station backplane power supply (core)
Input: 24VDC (19.2-30V DC wide range)
Output:+5VDC stable, for all S800 cards such as AI/DI/DO/CI
Power: Typical 30-50W, depending on the number of I/Os
Redundancy capability (key to high availability)
Support 1+1 redundant parallel connection: Two PU515A share the load
Single block failure, seamless takeover of another block, system does not power off or restart
Also supports N+1 configuration (multi station shared backup)
Hot swappable (online maintenance)
During operation, it can be directly plugged and replaced without affecting other I/O and control on this site
Maintenance without shutdown, suitable for continuous production equipment
Intelligent diagnosis and monitoring
Real time monitoring: input/output voltage, current, temperature, load rate
Fault alarm: overvoltage/undervoltage, overcurrent, overheating, fan/internal fault
Status upload: sent to CPU/800xA through the backplane, which can be remotely viewed and alarmed
Local LED: power OK, fault, and operating status are clear at a glance
Application
Chemical/Oil and Gas: Reactor, Distillation Tower I/O Station Redundant Power Supply
Electric power/power station: boiler, steam turbine, auxiliary control I/O station
Water treatment/metallurgy: critical circuit I/O uninterruptible power supply
Any process control that does not allow power outages: 1+1 redundant standard configuration
ABB PU515A｜Real-time Accelerator (RTA) Board｜
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