Operating instructions

For a detailed description of the DP V1 command handling, please refer to the PROFIBUS DP V1

Design Guide, ref. MG.90.EX.YY.

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

VLT

Profibus 5. How to Access the Parameters

MG.33.C4.02 - VLT

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