B.2.1, Structure of the festo parameter channel (fpc), B−10 – Festo Контроллеры двигателя SFC-LAC User Manual
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B. Parametrising as per FHPP−FPC
B−10
Festo GDCP−SFC−LACI−CO−EN en 0812NH
B.2.1
Structure of the Festo Parameter Channel (FPC)
The Festo Parameter Channel" is used for transmitting par−
ameters. It consists of 8 octets:
FPC (PDO2)
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
Byte 7
Byte 8
Output
data
0
IND
PKE (ParID)
PWE (ParVal)
Input
data
0
IND
PKE (ParID)
PWE (ParVal)
IND
Subindex
PKE
Parameter identifier: PNU and AK
PWE
Parameter value:
ć with double word: bytes 5...8
ć with word: bytes 7, 8
ć with byte: byte 8
Tab. B/11: Structure of the Festo parameter channel (FPC)
Element
Description
Parameter identifier PKE
(Parameter identifier ParID)
Contains:
Ĉ Parameter number PNU: Identifies a parameter.
Ĉ Task or response identifier (AK): describes the type of task / reply.
Subindex (IND)
Addresses an element of an array parameter.
Parameter value PWE
(Parameter value ParVal)
Value of the parameter.
If a task cannot be carried out, an error number will be transmitted in
the reply (see B.2.2).
Tab. B/1: Parameter channel elements