ABB PST Series Installation And Commissioning Manual page 11

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The following acronyms and abbreviations are used in this
manual.
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LED Light Emitting Diode
LCD Liquid Crystal Display
SCR Silicon Controlled Rectifier
IT Information Technology
HMI Human-Machine Interface
FBP Fieldbusplug
PLC Programmable Logic Controller
PCB Printed Circuit Board
TOR Top Of Ramp (full voltage)
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11