P
PIQ Process Image Output
PII Process Image Input
PC Personal Computer
PCIN Name of the SW for data exchange with the control
PCMCIA Personal Computer Memory Card International Association:
Plug-in memory card standardization
PCU PC Unit: PC box (computer unit)
PG Programming device
PKE Parameter identification: Part of a PIV
PIV Parameter identification: Value (parameterizing part of a PPO)
PLC Programmable Logic Control: Adaptation control
PN PROFINET
PNO PROFIBUS user organization
PO POWER ON
POU Program Organization Unit
POS Position/positioning
POSMO A Positioning Motor Actuator: Positioning motor
POSMO CA Positioning Motor Compact AC: Complete drive unit with integrated power and control
module as well as positioning unit and program memory; AC infeed
POSMO CD Positioning Motor Compact DC: Like CA but with DC infeed
POSMO SI Positioning Motor Servo Integrated: Positioning motor, DC infeed
PPO Parameter Process data Object: Cyclic data telegram for PROFIBUS DP transmission
and "Variable speed drives" profile
PPU Panel Processing Unit (central hardware for a panel-based CNC, e.g SINUMERIK
828D)
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: Program-global user variables
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
Appendix
A.1 List of abbreviations
NC programming
1310 Programming Manual, 12/2019, 6FC5398-2EP40-0BA0