Festo SFC-LAC CO Series, Руководство пользователя

Страница: 199 / 328

B. Parametrizing in accordance with FHPP−FPC
B−5
Festo P.BE−SFC−LAC−CO−EN en 0708NH
B.1.2 Task identifiers, reply identifiers, fault numbers
Task identfiers
ReqID Description Reply identifier
positive negative
0 No task 0
1 Request parameter
1)
1, 2 7
2 Modify parameter value (word)
1)
1 7
3 Modify parameter value (double word)
1)
2 7
(4) (reserved Request describing element)
2)
(5) (reserved Modify describing element)
2)
6 Request parameter (array) 4, 5 7
7 Modify parameter value (array, word) 4 7
8 Modify parameter value (array, double word) 5 7
(9) (reserved Request number of array elements)
2)
(10) (reserved)
2)
11 Modify parameter value (byte)
1)
11 7
12 Modify parameter value (array, byte) 12 7
(13) (reserved Request lower limit value)
2)
(14) (reserved Request upper limit value)
2)
(15) reserved
2)
1)
When using task numbers for simple variables to access parameters implemented as an array, the
subindex is ignored or set to 0. This means that the first element of an array is always addressed.
2)
Tasks with non−supported task numbers (ReqID) will be answered with reply identifier 7 and fault
number 22.
Tab.B/4: Task identifiers