7 dp v1 read / write services – GE Industrial Solutions AF-600 FP Profibus DP User Manual
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5.2.7 DP V1 Read / Write Services
The table below shows the content of the DP V1 command / Response headers and their possible attributes.
DU Byte
Value
Meaning
Specified
0
Function number
0x48
Idle REQ, RES
0x51
Data transport REQ, RES
0x56
Resource Manager REQ
0x57
Initiate REQ, RES
0x58
Abort REQ
0x5C
Alarm REQ, RES
0x5E
Read REQ, RES
0x5F
Write REQ, RES
0xD1
Data transport negative response
0xD7
Initiate negative response
0xDC
Alarm negative response
0xDE
Read negative response
0xDF
Write negative response
1
Always zero
Slot number
DPV1
2
47
Index
DPV1
3
xx
Data length
DPV1
4..n
User data
PNO Drive Profile V3.0
AF-650 GP/AF-600 FP Profibus DP Operating Instructions
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