Appendix
A.2 List of abbreviations
Enclosed Drives
834
Operating Instructions, 12/2018, A5E36652151A
Abbreviation
Derivation of abbreviation
Meaning
PWM
Pulse Width Modulation
Pulse width modulation
PZD
Prozessdaten
Process data
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 device
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 trans-
mission 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 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
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
SESM
Separately-excited synchronous motor
Separately excited synchronous motor
Summary of Contents for SINAMICS S150 NEMA
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