NIBA-01 Installation and Start-up Guide
A-1
Appendix A – Definitions and Abbreviations
Abort
Service to abort the communication connection
Abort Detail
Application-specific, detailed designation for the abort
Access Groups
Identification about the allocation of group access
Acyclic Communication
Communication in which messages are sent only once on request
Add. Code
Application-specific, detailed designation of the error
Client
Service requester; the communication partner who requests an order
Communication Object
Data, programs or variables which may be processed or executed
Communication Reference Module number of a station
Communication
Relationship List
Contains definitions (permitted services, read and write memory sizes)
regarding the communication channels
Confirmation
Order confirmation which the service provider sends to the service
requester (client)
Control Word
16-bit word from master to slave with bit-coded control signals.
(Sometimes called the Command Word)
Cyclic Communication
Communication in which Parameter/Process Data Objects are sent
cyclically at pre-defined intervals
Error Class/Error Code
Classification number of an error
Error Code
Error number of the service
Fault
Event that leads to tripping of the device
Host (Controller)
Control system with bus initiative. Also called Master
Index
Access reference for communication objects; pointer to a variable/field
Initiate
Service to establish a communication relationship
Invoke ID
Order identification, request no. of the service to a station
KBL
See Communication Relationship List
KR
See Communication Reference
Length
Quantity of the following user data in bytes
Locally Generated
Error location. (Local station: 00; Remote station: FF)
Log. Status
Status of the module program
Object Dictionary
Local storage of all Communication Objects recognised by a device
Original Invoke ID
Invoke ID of the service which caused a reject
