Manual

Contents and general instructions
XIX
Festo P.BE−SFC−DC−PB−S7−EN en 0604NH
Term/abbreviation Meaning
Parameter number (PNU) Parameters which can be transmitted via the parameter channel are
addressed with the parameter number (PNU). The parameter number
is an integral part of the parameter identifier (PKE) and serves for
identifying or addressing the individual parameter.
PKE See under parameter identifier
PKW See under parameter channel
PNU See under parameter number
Reply telegram Telegram sent from the slave to the master (slave reply)
Response identifier (AK) Integral part of the parameter channel in reply telegrams specifying
the type of reply of a parameter processing.
PROFIBUS PROcess FIeld BUS; German processing and field bus standard defined
in IEC 61158 type 3.
PROFIBUS address Serves for clear identification of a bus slave on the PROFIBUS
Subindex (IND) Integral part of the parameter channel (PKW) which 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 (task of master)
Terminating resistor Resistor for minimizing signal reflections. Terminating resistors must be
installed or switched in at the end of bus segment cables.
Work data Telegram data without protocol frame data The length of the work
data is defined in the configuration of the field bus slave.
Tab.0/3: Index of terms and abbreviations for PROFIBUS