1 Introduction
7
1.1.5
Used short forms
Short form
Meaning
SFB
Safety Field Box
PN
PROFINET
TCI
Tool Calling Interface / open calling interface for equipment operating tools
GSDML
Generic Station Description Markup Language / device description file
F_iPar_CRC CRC Checksum of safety parameters for the validation
IRT
Isochronous Real Time
MRP
Media redundancy protocol
I&M
Identification & Maintenance
SNMP
Simple Network Management Protocol
LLDP
Link Layer Discovery Protocol
1oo1
1 out of 1, single channel application (IEC 61508)
1oo2
1 out of 2, two channel (redundant) application (IEC 61508)
OSSD
Output Signal Switching Device / safety PNP semiconductor switching output
PELV
Protective Extra Low Voltage / protective extra low voltage with safe isolation