Siemens ULTRAMAT 23, Manual, Page: 234 / 244

List of abbreviations
C.1 List of abbreviations
ULTRAMAT 23
234
Manual, 3/2016, A5E37100388-003
Abbreviation/symbol Description
COM common
CSA Canadian Standards Association, a technical testing organization
DC Direct Current
DD Device Description
i.e. In other words
DIN Deutsches Institut für Normung e. V. (German standards association)
Div. Division
DP Distributed Periphery, a PROFIBUS component
D-Sub D-shaped Subminiature connector
EEPROM Electrically Erasable Programmable Read Only Memory
EC European Community
EU European Union
ELAN Economic Local Area Network, a data network
EMC Electro Magnetic Compatibility
EN Europäische Norm (European standard)
EPDM Ethylene Propylene Diene Monomer, a plastic
ESD Electrostatic Discharge
Serial No. Serial Number
ft foot , measure of length; 1 ft ≙ 30.48 cm
FKM Fluorinated rubber, a plastics group
FPM Fluorinated Polymer rubber, a plastic, tradename e.g. Viton
GND Ground
GSD Generic Station Description
H
2
H
2
= hydrogen
H
2
S H
2
S = hydrogen sulfide
H
2
SO
4
H
2
SO
4
= sulfuric acid
H
2
O H
2
O = water
HC Hydrocarbons
HD-PE Polyethylene of high density (HD = High density)
He Helium
HU Height Unit
hPa hectopascal
Hz Hertz
IEC International Electrotechnical Commission
IEEE Institute of Electrical and Electronics Engineers
OK OK
IP Internal Protection
IR Infrared
ISO International Standards Organization (from Greek: "isos"; in English "equal")
kg Kilogram
kPa Kilopascal
l Liter