Appendix
20.1 List of abbreviations
Basic Functions
1748 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
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