Appendix XāCOM 01 E
Page 42 of 46 HI 801 566 E Rev. 13.00.00
Appendix
Glossary
Address resolution protocol, network protocol for assigning the network addresses to
hardware addresses
Electromagnetic compatibility
Internet control message protocol, network protocol for status or error messages
International electrotechnical commission
Inputs are designed for interference-free operation and can be used in circuits with
safety functions
Media access control address, hardware address of one network connection
Programming and debugging tool (in accordance with IEC 61131-3), PC with SILworX
Protective extra low voltage
Programmable electronic system
Read, the variable is read out
Read/Write, column title for system variable type
Base plate identification (number)
Peak value of a total AC component
Short-circuit/open-circuit
Safe failure fraction, portion of faults that can be safely controlled
Safety integrity level (in accordance with IEC 61508)
Simple network time protocol (RFC 1769)
System.Rack.Slot, addressing of a module
Secure sockets layer, see TLS
Transport layer security, hybrid cryptographic protocol
Write, the variable receives a value, e.g., from the user program
Watchdog, device for monitoring the system's correct operation Signal for fault-free
process