Appendix
20.1 List of abbreviations
Basic Functions
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Function Manual, 09/2011, 6FC5397-0BP40-2BA0
PPO
Parameter Process data Object; Cyclic data telegram for PROFIBUS DP
transmission and "Variable speed drives" profile
PROFIBUS
Process Field Bus: Serial data bus
PRT
Program test
PSW
Program control word
PTP
Point-To-Point Point-to-Point
PUD
Program global User Data: Global program variable
PZD
Process Data: Process data part of a PPO
Q
QEC
Quadrant error compensation
R
RAM
Random Access Memory: Read/write memory
REF
REFerence point approach function
REPOS
REPOSition function
RISC
Reduced Instruction Set Computer: Type of processor with small instruction set and
ability to process instructions at high speed
ROV
Rapid Override: Input correction
RP
R-variable, arithmetic parameter, predefined user variable
RPY
Roll Pitch Yaw: Rotation type of a coordinate system
RTLI
Rapid Traverse Linear Interpolation: Linear interpolation during rapid traverse motion
RTCP
Real Time Control Protocol
S
SBC
Safe Brake Control: Safe brake control
SBL
Single Block: Single block
SD
Setting Data
SEA
Setting Data Active: Identifier (file type) for setting data
SERUPRO
SEarch RUn by PROgram test Search run by program test
SGE
Safety-related input
SGA
Safety-related output
SH
Safe standstill
SIM
Single Inline Module
SK
Softkey
SKP
SKiP: Function for skipping a part program block
SLM
Synchronous Linear Motor
SM
Stepper motor
SMC
Sensor Module Cabinet Mounted