beautypg.com

Festo Контроллер двигателя SFC-ST User Manual

Page 21

background image

Contents and general instructions

XIX

Festo P.BE−SFC−DC−PB−S7−E N 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