YASKAWA PROFINET V1000 Technical Manual page 41

Read block is used in read requests and responses. Write block is used in write requests and responses. The request
consists of unique identifiers for the connection, addressing information and length of the record data. The response also
contains two additional fields for transferring information.
Field(s)
Service Request or Response service.
Operation Read or Write operation.
Block length Length of the block.
Identifier
- time low
ARUUID
- time mid
- time high and version - clock - node
API Application Process Identifier
Slot Slot of the Module Access Point (MAP/PAP)
Sub-slot Sub-slot of the Module Access Point (MAP/PAP)
Padding
Index Index of the Record Data Object
Data length Length of the data block
Additional value 1
Field for transferring additional data
(response only)
Additional value 2
Field for transferring additional data
(response only)
Padding
Data block
Data block contains PROFIdrive specific request or response header.
Field(s)
Unique identification set by the master. Changed for
Request Reference
each new request.
Request ID Request type for the issued block.
DO-ID To be set to 0x01.
No. of
Number of parameters that are present in the request.
Parameters
Attribute Type of object being accessed.
Number of array elements accessed or length of string
No. of Elements
accessed. Set to 0 if non-array parameters are used.
Address of the PROFIdrive parameter that is being
accessed. Also "1" is allowed by SI-EP3/V to access
Parameter
drive parameters.
Index (group)
Drive parameter group when accessing drive
parameters.
Addresses the first array element of the parameter.
Subindex (parameter) Drive parameter number when accessing drive
parameters.
Format Refer to
<1>
Number of Values Number of values following.
<1>
The values of the request. In case of odd number of
Values bytes, a zero byte is appended to ensure the word
<1>
structure of the telegram.
<1> Only when Request ID is 0x02 (Change Parameter). The Format, Number of Values, and Value Fields are repeated for other parameters.
YASKAWA ELECTRIC SIEP C730600 70B V1000 Option SI-EP3/V Technical Manual
Table 23 Structure of the Read and Write Blocks
Description
Used only with write request and read response.
Table 24 PROFIdrive Request Header
Description
Table 26 for details.
Response (0x80)
Write (0x08) Read (0x09)
Device Access Point (0x0000)
PROFIdrive (0x3A00)
2 bytes
0x0001 to 0x7FFF
0 to 0xFFFFFFFF
24 bytes for request, 20 bytes for response.
Request Parameter (0x01)
Change Parameter (0x02)
Varies based on value
8 Communication
Range
Request (0x00)
0 to 0xFFFF
–
0x01
0x01
0xB02E
–
–
Range
1 to 255
0 to 255
1
Value (0x10)
0, 1 to 234
1 to 65535
0 to 65535
–
1
Type
UI8
UI8
UI16
UI32
UI16
UI16
Octet[2]
Octet[6]
UI32
UI16
UI16
UI16
UI32
UI16
UI16
Byte/ Word
Byte
Byte
Byte
Byte
Byte
Byte
Word
Word
Byte
Byte
See Format Field
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