Instruction Manual

Contents and general instructions
XIX
Festo P.BE−GDCP−SFC−LACI−PB−EN en 0812NH
Term / abbreviation Meaning
Parameter channel
(PKW)
Telegram part used for transmitting parameters.
(PKW = parameter channel value).
Parameter identifier
(PKE)
Integral part of the parameter channel (PKW) which contains the task and
reply identifiers (AK) and the parameter number (PNU)
Parameter number
(PNU)
Parameters which can be transmitted via the parameter channel are ad
dressed with the parameter number (PN U). The parameter number is an
integral part of the parameter identifier (PKE) and serves for identifying or
addressing a parameter.
PKE See under parameter identifier
PKW See under parameter channel
PNU See under parameter number
Repeater Device for amplifying bus signals and for coupling segments over long
distances
Reply telegram Telegram sent from the slave to the master
Response identifier
(AK)
Integral part of the parameter channel in reply telegrams specifying the
type of reply of a parameter processing.
Subindex (IND) Element of the parameter channel that addresses an element of an array
parameter (sub−parameter number)
Task identifier (AK) Integral part of the parameter channel in task telegrams specifying the
type of task of a parameter processing
Task telegram Telegram sent from the master to the slave
Tab.0/2: Index of terms and abbreviations for PROFIBUS