B.2.4 example of parameterising via fpc (pdo2), B.2.4, Example of parameterising via fpc (pdo2) – Festo Контроллеры двигателя SFC-LAC User Manual
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B. Parametrising as per FHPP−FPC
B−17
Festo GDCP−SFC−LACI−CO−EN en 0812NH
B.2.4
Example of parameterising via FPC (PDO2)
A record in the position set table can be parameterised via
FPC in the following manner:
Step 1
Output status of the 8 bytes of FPC data:
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
Byte 7
Byte 8
Reserved
Sub−index ReqID/ResID + PNU
Parameter value
Output
data
0x00
0x00
0x
00
0x00
0x00
0x00
0x00
0x00
Input data
0x00
0x00
0x
00
0x00
0x00
0x00
0x00
0x00
Step 2
Write record number 1 with absolute positioning:
PNU 401, subindex 2 ć Modify parameter value, array, byte:
ReqID 12 (0xC) with value 0x00.
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
Byte 7
Byte 8
Reserved
Sub−index ReqID/ResID + PNU
Parameter value
Output
data
0x00
0x
02
0x
C1
0x
91
Unused
Unused
Unused
0x
00
Input data
0x00
0x
02
0x
C1
0x
91
0x00
0x00
0x00
0x
00
Step 3
After receiving the input data with ResID 0xC send output data
with ReqID = 0x0 and wait for input data with ResID = 0x0:
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
Byte 7
Byte 8
Reserved
Sub−index ReqID/ResID + PNU
Parameter value
Output
data
0x00
0x02
0x
01
0x91
Unused
Unused
Unused
0x00
Input data
0x00
0x02
0x
01
0x91
0x00
0x00
0x00
0x00