Technical data

74
Manual – MOVI-PLC® advanced DH.41B Controller
6
Structure of the DP-V1 parameter channel
PROFIBUS-DP-V1 Functions
Query parameter response
The following table shows the code of the Read.req user data including the DP-V1
header.
Positive PROFIdrive parameter response
The following table shows the Read.res user data with the positive response data of the
parameter setting order. For example, the parameter value for index 8300 (firmware
version) is returned.
Service Read.request
Slot_Number 0 Random (is not evaluated)
Index 47 Index of the dataset; constant index 47
Length 240 Maximum length of response buffer in the DP-V1 master
Service Read.request
Slot_Number 0 Random (is not evaluated)
Index 47 Index of the dataset; constant index 47
Length 10 10 byte user data in response buffer
Byte Field Value Description
0 Response reference 0x01 Reflected reference number from the parameter setting
order
1 Response ID 0x01 Positive response for "Request Parameter“
2 Axis 0x00 Reflected axis number; 0 = Single axis
3 No. of parameters 0x01 1 parameter
4 Format 0x43 Parameter format: Double word
5 No. of values 0x01 1 value
6..7 Value Hi 0x311C Higher-order part of the parameter
8..9 Value Lo 0x7289 Lower-order part of the parameter
Decoding:
0x 311C 7289 = 823947913 dec
>> firmware version 823 947 9.13
00
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