Appendix
User manual 58185_TREE M4/6-TX PN IP20_hdb_en_10
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15
Appendix
PRODUCTS AND ACCESSORIES
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15.1 Glossary
General terms:
Ethernet
Term
Meaning
Intended purpose
Use of a product, process, or feature according to the specifications, instructions, and
information supplied by the MANUFACTURER.
Bit
Binary digit
Byte
1 byte corresponds to 8 bits
DI
Digital inputs
DIN
Deutsches Institut für Normung (German Institute for Standardization)
I/O
Input/Output
EU Directive 2014/30/EU
EMC Directive
EMC
Electromagnetic compatibility
EN
European standard
ESD
Electrostatic discharges
FE
Functional earth
I
Current
IEC
International Electrotechnical Commission, international standardization institute
IN
Input
IP20
Ingress Protection, protection class according to DIN EN 60529
1st code digit = Protection against accidental contact and solid foreign objects
2nd code digit = Protection against ingress of water
2: protected against: solid foreign objects with diameter starting from 12.5 mm and
contact with a finger.
0: No protection
IP67
6: Dustproof, protection against contact with a wire
7: Protection against the effects of temporary submersion in water
ISO
International Standard Organization
LED
Light Emitting Diode
n. c.
not connected
OUT
Output
PELV
Protective Extra Low Voltage
SELV
Safety Extra Low Voltage
U
Voltage
U/I
Voltage / current
Term
Meaning
10Base-T
An Ethernet standard that transmits at 10 Mbps over twisted pair cables
100Base-TX
Fast Ethernet Standard
Admin
Short for “system administrator”. An individual with additional rights who is responsi-
ble for managing a computer system or network.