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15 List of abbreviations
Definition
Remark
ACD
Address Conflict Detection . Procedure to detect IPv4 address conflicts as well as duplicate
addresses . See RFC 5227 .
Antenna
RFID antenna built in a read/write head
Assembly Instance
Assembly instances are instances of an I/O data block with predefined functionality which can
be exchanged between several communication participants . It is known to the communication
participants which data at which length is to be exchanged .
Block size
Size of one block of the RFID tag, e .g . 4/8/32 bytes
CIP
Common Industrial Protocol . Object-oriented description of a communication protocol for
industrial requirements which is currently used by four different field buses (CompoNet,
DeviceNet, ControlNet and EtherNet/IP) .
Connection
Describes the logical connection between two application objects .
Controller
PLC e .g . Allen Bradley Compact Logix
DLR
Device Level Ring protocol . Supports the media redundance in a ring structure Ethernet
environment .
EDS
Electronic Data Sheet ist a device description file .
Emergency system
Web server with reduced functionality to download the firmware of the evaluation unit
evaluation unit
RFID Identification unit DTE103
Explicit Messaging
Acyclic data exchange between I/O scanner and I/O adapter based on TCP/IP communication .
Hexadecimal
Numeral format, which use 16 values to represent a numeric value: 0 . .9, A, B, C, D, E, F
I/O Adapter
Comparable to a slave system (Target in EIP)
I/O Messaging oder Implicit
Messaging
Cyclic data exchange between I/O scanner and I/O adapter based on UDP/IP communication .
I/O Scanner
Comparable to a master system (Originator in EIP)
Tag, transponder
RFID RFID tag, e .g . E80360, E80370
ODVA
Open Device Net Vendor Association
PC
Personal computer, e .g . desktop computer, notebook
PermData
Nonvolatile data area of the evaluation unit for storage of user specific settings, like fieldbus
parameter, address settings and so on .
PLC
Programmable Logic Controller, e .g . Allen Bradley Compact Logix
Process data input image
Data area where the PLC can read the outputs of the external periphery devices . ( %IBx )
Process data output image
Data area where the PLC can write to the inputs of the external periphery devices . ( %QBx )
read/write head
RFID read/write head, e .g . ANT411, ANT513
User data
Data area of the RFID tag which can be read and written randomly
Web client
PC program to send “http protocol” requests, e .g . Firefox, Internet Explorer
Web server
Built in “http protocol” server to service request from a PC