Festo Контроллеры двигателя SFC-LAC - Manual (Page 238)

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