Yaskawa V1000-Series Option SI-EP3/V PROFINET User Manual
Page 46
11 Communication
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YASKAWA SIEP YEACOM 06A V1000 Option PROFINET SI-EP3/V Technical Manual
Table 23 Structure of the Read and Write Blocks
Data block contains PROFIdrive compatible specific request or response header.
Table 24 PROFIdrive Request Header
Field(s)
Description
Range
Type
Service Request
or
Response service.
Request (0x00)
Response (0x80)
UI8
Operation
Read or Write operation.
Write (0x08) Read (0x09)
UI8
Block length
Length of the block.
0 … 0xFFFF
UI16
ARUUID
Identifier
- time low
- time mid
- time high and version - clock - node
-
UI32
UI16
UI16
Octet[2]
Octet[6]
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/V to access drive parameters.
Drive parameter group when accessing drive parameters.
1 … 65535
Word
Subindex (parameter)
<1> Only when Request ID is 0x02 (Change Parameter). The Format, Number of Values, and Value Fields are repeated for other parameters.
Addresses the first array element of the parameter.
Drive parameter number when accessing drive parameters.
0 … 65535
Word
Format
-
Byte
Number of Values
1
Byte
Values
The values of the request. In case of odd number of bytes, a zero byte is
appended to ensure the word structure of the telegram.
Varies based on value
See Format
Field