Abbreviation Derivation of abbreviation Meaning
N… No Report No message or internal message (only as part
of the alarm list)
NAMUR Normenarbeitsgemeinschaft für
Mess- und Regeltechnik in der chem‐
ischen Industrie
Standardization association for measurement
and control in chemical industries
NC Normally Closed (contact) NC contact
NC Numerical Control Numerical control
NEMA National Electrical Manufacturers As‐
sociation
Standardization association in USA (United
States of America)
NM Nullmarke Zero mark
NO Normally Open (contact) NO contact
NSR Netzstromrichter Line-side converter
NTP Network Time Protocol Synchronizes the clocks in computer systems
and networks
NVRAM Non-Volatile Random Access Memo‐
ry
Non-volatile read/write memory
OA Open Architecture Software component which provides additional
functions for the SINAMICS drive system
OAIF Open Architecture Interface Version of the SINAMICS firmware from which
the OA application can be used
OASP Open Architecture Support Package Expands the STARTER commissioning tool by
the corresponding OA application
OC Operating Condition Operation condition
OCC One Cable Connection One cable technology
OEM Original Equipment Manufacturer Original Equipment Manufacturer
OMI Option Module Interface Option Module Interface
p… - Adjustable parameters
PD PROFIdrive PROFIdrive
PDC Precision Drive Control Precision drive control
PDS Power Drive System Drive system
PE Protective Earth Protective ground
PELV Protective Extra Low Voltage Safety extra-low voltage
PFH Probability of dangerous failure per
hour
Probability of dangerous failure per hour
PG Programmiergerät Programming device
PID Proportional Integral Differential Proportional integral differential
PLC Programmable Logical Controller Programmable logic controller
PLL Phase-Locked Loop Phase-locked loop
PM Power Module Power Module
PN PROFINET PROFINET
PS Power Supply Power supply
PSA Power Stack Adapter Power stack adapter
PT1000 - Temperature sensor
PTC Positive Temperature Coefficient Positive temperature coefficient
PWM Pulse Width Modulation Pulse width modulation
Appendix
A.6 List of abbreviations
SINAMICS S210 servo drive system
758 Operating Instructions, 12/2017, A5E41702836B AA
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