http://www.keyence.co.jp/seigyo/special/controls/setsuzoku/chapter1/standard/
AS-i
BACnet
CANopen
CC-Link
CC-Link IE
CompoNet
ControlNet
CUnet
DeviceNet
EtherCAT
EtherNet/IP
Ethernet POWERLINK
FL-net
FOUNDATION Fieldbus
HART
HLS
HSE
INTERBUS
IO-Link
LONWORKS
MECHATROLINK-II
MECHATROLINK-III
Modbus
PROFIBUS
PROFINET
SERCOS II
SERCOS III
