11 | Appendix
STOBER
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05/2019 | ID 442793.01
11.5
Abbreviations
Abbreviation
Meaning
AC
Alternating Current
BE
Binärer Eingang (en: binary input)
BG
Baugröße (en: size)
CiA
CAN in Automation
CNC
Computerized Numerical Control
CSA
Canadian Standards Association
DC
Direct Current
EMC
Electromagnetic compatibility
EtherCAT
Ethernet for Control Automation Technology
FSoE
Fail Safe over EtherCAT
HTL
High Threshold Logic
IP
International Protection
IP
Internet Protocol
NAT
Nominal response temperature
PE
Protective Earth (i.e. grounding conductor)
PELV
Protective Extra Low Voltage
PL
Performance Level
PTC
Positive Temperature Coefficient
RCD
Residual Current protective Device
RoHS
Restriction of Hazardous Substances
SD
Secure Digital (memory card)
SDHC
Secure Digital High Capacity (memory card)
S/FTP
Screened/Foiled Twisted Pair
SF/FTP
Screened Foiled/Foiled Twisted Pair
SF/UTP
Screened Foiled/Unshielded Twisted Pair
SIL
Safety Integrity Level
PLC
Programmable logic controller
SS1
Safe Stop 1
SSI
Serial Synchronous Interface
STO
Safe Torque Off
TTL
Transistor-Transistor Logic
UL
Underwriters Laboratories