8 Introduction to the manualSafetyFollow all safety instructions delivered with the drive.• Read the complete safety instructions before you install, commission, or usethe drive. The complete safety instructions are given at the beginning of thehardware manual for the single drives, or in the Safety instructions[3AUA0000102301 (English)] for the multidrives and multidrives modules.• Read the software function specific warnings and notes before changing thedefault settings of the function. For each function, the warnings and notes aregiven in this manual in the section describing the related user-adjustableparameters.Target audienceThis supplement is intended for personnel who install, commission, operate andservice slip ring induction motors. The reader of this manual is expected to know thestandard electrical wiring practices, electronic components, and electrical schematicsymbols.ContentsThis manual consists of following chapters:Introduction to the manual contains information on compatibility, safety and intendedaudience. It also includes a list of terms and abbreviations used in this manual.Quick start-up guide provides the basic start-up procedure of the ACS880 IGBTbased slip power recovery system.Default control connections provides default control connections of the SPRS.Operating principle and I/O control provides the system overview, communicationtools and communication profile of the SPRS.Program features contains descriptions of features specific to the SPRS such as lowline harmonics, dedicated synchronization unit (RSYC) for bump less transfer, and soon.Parameters describes the parameters used for SPRS control program.Fault tracing lists the SPRS program specific faults and warning messages withpossible cause and remedy.Control chain diagram shows the parameter structure within the drive. The SPRSreference chains are as per the ACS880 control chain diagrams.