Operating Instructions

SINAMICS G120 CU230P-2 Control Units
List Manual, 04/2018, A5E33838102
853
A Appendix
A.2 List of abbreviations
PWM Pulse Width Modulation Pulse width modulation
PZD Prozessdaten Process data
Q
R
r… - Display parameters (read only)
RAM Random Access Memory Memory for reading and writing
RCCB Residual Current Circuit Breaker Residual current operated circuit breaker
RCD Residual Current Device Residual current operated circuit breaker
RCM Residual Current Monitor Residual current monitor
REL Reluctance motor textile Reluctance motor textile
RESM Reluctance synchronous motor Synchronous reluctance motor
RFG Ramp-Function Generator Ramp-function generator
RJ45 Registered Jack 45 Term for an 8-pin socket system for data
transmission with shielded or non-shielded
multi-wire copper cables
RKA Rückkühlanlage Cooling unit
RLM Renewable Line Module Renewable Line Module
RO Read Only Read only
ROM Read-Only Memory Read-only memory
RPDO Receive Process Data Object Receive Process Data Object
RS232 Recommended Standard 232 Interface standard for a cable-connected serial data
transmission between a transmitter and receiver
(also known as EIA232)
RS485 Recommended Standard 485 Interface standard for a cable-connected
differential, parallel, and/or serial bus system
(data transmission between a number of
transmitters and receivers, also known as EIA485)
RTC Real Time Clock Real-time clock
RZA Raumzeigerapproximation Space-vector approximation
S
S1 - Continuous duty
S3 - Intermittent duty
SAM Safe Acceleration Monitor Safe acceleration monitoring
SBC Safe Brake Control Safe brake control
SBH Sicherer Betriebshalt Safe operating stop
SBR Safe Brake Ramp Safe brake ramp monitoring
SBT Safe Brake Test Safe brake test
SCA Safe Cam Safe cam
SCC Safety Control Channel Safety Control Channel
SCSE Single Channel Safety Encoder Single-channel safety encoder
SD Card SecureDigital Card Secure digital memory card
SDC Standard Drive Control Standard Drive Control
SDI Safe Direction Safe motion direction
SE Sicherer Software-Endschalter Safe software limit switch
Abbreviation Derivation of abbreviation Significance