![Magnetek IMPULSE G Plus Series 4 Скачать руководство пользователя страница 36](http://html1.mh-extra.com/html/magnetek/impulse-g-plus-series-4/impulse-g-plus-series-4_installation-manual_3663700036.webp)
IMPULSE®•G+/VG+ Series 4 Profinet Installation Manual - August 2014
36
Data block contains PROFIdrive specific request or response header.
Table 20: PROFIdrive Request Header
API
Application Process Identifier
Device Access Point (0x0000)
UI32
PROFIdrive (0x3A00)
Slot
Slot of the Module Access Point
(MAP/PAP)
0x01
UI16
Sub-slot
Sub-slot of the Module Access
Point (MAP/PAP)
0x01
UI16
Padding
2 bytes
Index
Index of the Record Data Object
0x0001 - 0x7FFF
0xB02E
UI16
Data length
Length of the data block
0…0xFFFFFFFF
UI32
Additional value 1
(response only)
Field for transferring additional
data
--
UI16
Additional value 2
(response only)
Field for transferring additional
data
--
UI16
Padding
24 bytes for request, 20 bytes for response.
Data block
Used only with write request and read response.
Field(s)
Description
Range
Byte/Word
Request Reference
Unique identification set by the master.
Changed for each new request.
1 … 255
Byte
Request ID
Request type for the issued block.
Request Parameter
(0x01)
Change Parameter
(0x02)
Byte
DO-ID
To be set to 0x01.
0 … 255
Byte
No. of Parameters
Number of parameters that are present in
the request.
1
Byte
Attribute
Type of object being accessed.
Value (0x10)
Byte
No. of Elements
Number of array elements accessed or
length of string accessed. Set to 0 if non-
array parameters are used.
0, 1 … 234
Byte
Parameter Index
(group)
Address of the PROFIdrive parameter that
is being accessed. Also “1” is allowed by SI-
EP3 to access drive parameters.
Drive parameter group when accessing
drive parameters.
1 … 65535
Word
Subindex
(parameter)
Addresses the first array element of the
parameter.
Drive parameter number when accessing
drive parameters.
0 … 65535
Word
Format <1>
Refer to Table 22 for details.
--
Byte
Number of Values
<1>
Number of values following.
1
Byte
<1> Only when Request ID is 0x02 (Change Parameter). The Format, Number of Values, and Value Fields are repeated for other
parameters.
Field(s)
Description
Range
Type