Technical data

Manual – MOVI-PLC® advanced DH.41B Controller
71
6
Structure of the DP-V1 parameter channel
PROFIBUS-DP-V1 Functions
Query parameter response
The following table shows the code of the write.req user data data including the DP-V1
header.
Positive response to “Write Parameter volatile”
Negative
parameter
response
The following table shows the coding of a negative response of a MOVILINK
®
service.
Bit 7 is entered in the Response ID if the response is negative.
Field Value Description
Function_Num Read.req
Slot_Number X Slot_Number not used
Index 47 Index of dataset
Length 240 Maximum length of response buffer in DP master
Service Read.response
Slot_Number 0 Random, (is not evaluated)
Index 47 Index of the dataset; constant index 47
Length 4 4 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 0x40 Positive MOVILINK
®
response
2 Axis 0x00 Reflected axis number; 0 for single axis
3 No. of parameters 0x01 1 parameter
Service Read.response
Slot_Number 0 Random, (is not evaluated)
Index 47 Index of the dataset; constant index 47
Length 8 8 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 0xC0 Negative MOVILINK
®
response
2 Axis 0x00 Reflected axis number; 0 for single axis
3 No. of parameters 0x01 1 parameter
4 Format 0x44 Error
5 No. of values 0x01 1 error code
6..7 Error value 0x0811 MOVILINK
®
return code
e. g. ErrorClass 0x08, add. code 0x11
(→ table MOVILINK
®
return codes for DP-V1)
00
I