Specifications
Glossary
264
EIO0000000051 6/2010
IP Rating
Ingress Protection rating according to IEC 60529.
IP20 modules are protected against ingress and contact of objects larger than
12.5 mm. The module is not protected against harmful ingress of water.
IP67 modules are completely protected against ingress of dust and contact. Ingress
of water in harmful quantity is not possible when the enclosure is immersed in water
up to 1 m.
L
LAN
local area network. A short-distance data communications network.
light industrial I/O
An Advantys STB I/O module designed at a low cost for less rigorous (e.g.,
intermittent, low-duty-cycle) operating environments. Modules of this type operate in
lower temperature ranges with lower qualification and agency requirements and
limited on-board protection; they usually have limited or no user-configuration
options.
linearity
A measure of how closely a characteristic follows a straight-line function.
LSB
least significant bit, least significant byte. The part of a number, address, or field that
is written as the rightmost single value in conventional hexadecimal or binary
notation.
M
MAC address
media access control address. A 48-bit number, unique on a network, that is
programmed into each network card or device when it is manufactured.