Siemens SINAMICS S120 Function Manual page 231

Abbreviation
PE Protective Earth
PELV Protective Extra Low Voltage
PG Programming device
PI Proportional Integral
PID Proportional Integral Differential
PLC Programmable Logic Controller
PLL Phase Locked Loop
PNO PROFIBUS user organisation
PRBS Pseudo Random Binary Signal
PROFIBUS Process Field Bus
PS Power Supply
PSA Power Stack Adapter
PTC Positive Temperature Coefficient
PTP Point To Point
PWM Pulse Width Modulation
PZD PROFIBUS process data
Q
R
r... Display parameter (read only)
RAM Random Access Memory
RCCB Residual-Current Circuit-Breaker
RCD Residual Current Device
RJ45 Standard Describes an 8-pole plug connector with twisted pair Ethernet.
RKA Recooling system
RO Read Only
RPDO Receive Process Data Object
RS232 Serial interface
RS485 Standard Describes the physical characteristics of a digital serial interface.
S
S1 Continuous operation
S3 Periodic duty
SBC Safe Brake Control
SBH Safe operating stop
SBR Safe braking ramp
SGE Safe input signal
SH Safe standstill
© Siemens AG, 2005. All rights reserved
SINAMICS S120 Function Manual, 06/05 Edition
List of Abbreviations
Abbreviations-231