AppendixA.1 List of abbreviationsExtended FunctionsFunction Manual, 03/2013, 6FC5397-1BP40-3BA1 911II InputI/O Input/OutputENC Encoder: Actual value encoderEFP Compact I/O module (PLC I/O module)ESD Electrostatic Sensitive DevicesEMC ElectroMagnetic CompatibilityEN European standardEnDat Encoder interfaceEPROM Erasable Programmable Read Only Memory: Erasable, electrically programmableread-only memoryePS Network Services Services for Internet-based remote machine maintenanceEQN Designation for an absolute encoder with 2048 sine signals per revolutionES Engineering SystemESR Extended Stop and RetractETC ETC key ">"; softkey bar extension in the same menuFFB Function Block (PLC)FC Function Call: Function Block (PLC)FEPROM Flash EPROM: Read and write memoryFIFO First In First Out: Memory that works without address specification and whose data isread in the same order in which they was storedFIPO Fine interpolatorFPU Floating Point Unit: Floating Point UnitCRC Cutter Radius CompensationFST Feed Stop: Feedrate stopFBD Function Block Diagram (PLC programming method)FW FirmwareGGC Global Control (PROFIBUS: Broadcast telegram)GEO Geometry, e.g. geometry axisGIA Gear Interpolation dAta: Gear interpolation dataGND Signal GroundGP Basic program (PLC)GS Gear StageGSD Device master file for describing a PROFIBUS slave