Festo Контроллеры двигателя SFC-LAC - Manual (Page 236)

B. Parametrizing via field bus
B−16
Festo GDCP−SFC−LACI−DN−EN en 0812NH
Parameter identifier (ParID)
The parameter identifier contains the Task or Response
identifier (AK) and the parameter number (PNU).
Spontaneous messages via bit 11 are not supported by the
SFC−LACI.
ParID
Byte 3 Byte 4
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Order ReqID (AK) res. PNU (parameter number)
Reply ResID (AK) res. PNU (parameter number)
ReqID (AK) Request Identifier ć job identifier (read, write, ...)
ResID (AK) Response Identifier (transferred value, error, ...)
The Task or Response identifier indicates the type of task or reply (see section B.2.2).
PNU Parameter number ć serves for identifying or addressing the relevant parameters.
Tab. B/4: Structure of parameter identifier (ParID)