Table of Contents
Advertisement
ISO
International Standards Organisation
KiB, KiByte
1024 bytes. The SI standard recommends
the usage of the binary unit prefix Ki for
1024.
MAC address
Every piece of Ethernet hardware has a
unique number assigned to it called it's MAC
address. MAC addresses are administered
and assigned by the IEEE organization.
NEMA
National
Electrical
Association. NEMA defines standards for
various grades of electrical enclosures.
Node
A communications device on the network.
PC/ABS
Polycarbonate-ABS.
thermoplastic material.
Physical Layer
This layer defines everything required to
make a physical connection to the network
or fieldbus.
PLC
Programmable Logic Controller
RS-232
See EIA-232.
RS-422
See EIA-422.
RS-485
See EIA-485.
SCADA
Supervisory Control and Data Acquisition
Subnet mask
A numeric address used in conjunction with
an IP address to segment network traffic;
used to restrict transmissions to certain
subnets.
Switch
A device that facilitates transmissions
between nodes in a star-formed network
52
Manufacturers
Widely
used
TCP/IP
Transport
Control
Protocol. Connection-orientated transfer
protocol.
Telnet
A network protocol (RFC 854) for character
based terminal access
TIA
Telecommunications Industry Association.
US trade association and standardization
commitee.
UL 94
Plastics flammability standard released by
Underwriters Laboratories of the USA.
Watchdog
A fail-safe mechanism which resets a device
if it becomes unresponsive.
Protocol/Internet
UMSERIP100-2201
Advertisement
Table of Contents
