About this document
Leuze electronic DDLS 508 5
1 About this document
1.1 Used symbols and signal words
Table 1.1: Warning symbols and signal words
Table 1.2: Other symbols
Table 1.3: Terms and abbreviations
Symbol indicating dangers to persons
Symbol indicating dangers from harmful laser radiation
NOTICE Signal word for property damage
Indicates dangers that may result in property damage if the measures for
danger avoidance are not followed.
Symbol for tips
Text passages with this symbol provide you with further information.
Symbols for action steps
Text passages with this symbol instruct you to perform actions.
DDLS Digitale Datenlichtschranke; optical transceiver for digital data transmission
EN European standard
FE Functional earth
IO or I/O Input/Output
MAC address Media Access Control address; hardware address of a device in the network
NEC National Electric Code; safety standard for electrical installations in the U.S.A.
PELV Protective Extra-Low Voltage; protective extra-low voltage with reliable discon
-
nection
HBS High-bay storage device
SHA Single-Handed Adjustment; fine adjustment of the devices by one person
TCP/IP Transmission Control Protocol/Internet Protocol; Internet protocol family
UDP User Datagram Protocol; user data segment protocol
UL Underwriters Laboratories
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