Lenze E84Dxxxx - Manual (Page 54)

EDS84DPBUS EN 2.0 - 09/2010
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Communication manual 8400 protec PROFIBUS
Parameter data transfer
DP-V1 parameter data channel (PROFIdrive profile)
Parameter value
8.3.3.5 Response after a faultless write request
Response head
Byte 13 Byte 14 Byte 15 Byte 16
Value
Field Data type Values
Value String any (length > 4 bytes possible)
U8 0x00 .... 0xFF
U16 0x0000 .... 0xFFFF
U32 0x0000 0000 .... 0xFFFF FFFF
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Note!
Faultless and, if existing, faulty messages are summarised in one telegram in
case of a multi parameter request. They have the following data contents:
• Faultless message
– Format: 0x40
– Number of values: 0x00
• Faulty message
– Format: 0x44
– Number of values: 0x01 or 0x02
– Error code only (with number of values = 0x01) or
– error code with additional information (with number of values = 0x02)
A faulty access to a parameter "n" is reported in the response message of a multi
parameter request at the n-th position.
Byte 1 Byte 2 Byte 3 Byte 4
Request reference
(mirrored)
Response identification Axis
(mirrored)
Number of indices
Field Data type Values
Request reference U8 Mirrored value of the parameter request
Response identification U8 0x02: Written parameter
Axis U8 0x00 or 0x01
Number of indices U8 0xn (n = number of parameter addressed)