BECKHOFF AX2000 PROFIBUS DP communication profile - Manual (Page 16)

3.1 Parameter channel
3.1.1 Parameter ID (PKE)
Marked lines in the table are valid for AX2000/2500
Master —> Slave Slave —> Master
Task ID Function Response ID positive Response ID negative
0 no task 0 0
1 request parameter value 1,2 7
2 alter parameter value [W] 1 7/8
3 alter parameter value [DW] 2 7/8
4 request description element 3 7
5 alter description element 3 7/8
6 request parameter value [A] 4,5 7
7 alter parameter value [A/W] 4 7/8
8 alter parameter value 5 7/8
9 request number of array elements 6 7
10 - 15 reserved
3.1.1.1 Interpretation of the response IDs
Marked lines in the table are valid for AX2000/2500
Response ID Interpretation
0 no task
1 transmit parameter value
2 transmit parameter value
3 transmit description element
4 transmit parameter value
5 transmit parameter value
6 transmit number of array elements
7 task not possible (with error no.)
8 no operating authority for PKW interface
9 spontaneous message [W]
10 spontaneous message [DW]
11 spontaneous message [A/W]
12 spontaneous message [A/DW]
Abbreviatoins in the tables:
A: Array
W: Word
DW: Double-word
16 PROFIBUS for AX2000/2500
Profile of AX2000/2500
12/05
BECKHOFF