A Appendix
A.3 List of abbreviations
SINAMICS G120 Control Units CU240B-2/CU240E-2
910 List Manual (LH11), 01/2016, A5E33839529
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 sender 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 senders and
receivers, also known as EIA485)
RTC Real-Time Clock Real-time clock
RZA Raumzeigerapproximation Space-vector approximation
S
S1 - Continuous operation
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
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
SESM Separately Excited Synchronous Motor Separately excited synchronous motor
SG Sicher reduzierte Geschwindigkeit Safely-limited speed
SGA Sicherheitsgerichteter Ausgang Safety-related output
SGE Sicherheitsgerichteter Eingang Safety-related input
SH Sicherer Halt Safe stop
SI Safety Integrated Safety Integrated
SIC Safety Info Channel Safety Info Channel
SIL Safety Integrity Level Safety Integrity Level
SLM Smart Line Module Smart Line Module
SLP Safely Limited Position Safely Limited Position
SLS Safely-Limited Speed Safely-limited speed
SLVC Sensorless Vector Control Sensorless vector control
SM Sensor Module Sensor Module
Abbreviation Source of abbreviation Significance
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