Efficient Networks S120 manual 395

Models: S120

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Communication PROFIBUS DP/PROFINET IO 10.1 Communications according to PROFIdrive

Field

Data type

 

Values

Comment

 

Specifies the type of request.

 

 

 

 

In the case of a write request, the changes are made in a volatile memory (RAM). A save

 

operation is needed in order to transfer the data to the non-volatile memory (p0971, p0977).

Response ID

Unsigned8

0x01

 

Read request (+)

 

 

0x02

 

Write request (+)

 

 

0x81

 

Read request (-)

 

 

0x82

 

Write request (-)

 

Mirrors the request identifier and specifies whether request execution was positive or

 

negative.

 

 

 

 

Negative means:

 

 

 

 

Cannot execute part or all of request.

 

 

The error values are transferred instead of the values for each subresponse.

Drive object

Unsigned8

0x00

... 0xFF

Number

number

Setting for the drive object number with a drive unit with more than one drive object.

 

Different drive objects with separate parameter number ranges can be accessed over the

 

same DPV1 connection.

 

 

 

No. of parameters

Unsigned8

0x01

... 0x27

No. 1 ... 39

 

 

 

 

Limited by DPV1 telegram length

 

Defines the number of adjoining areas for the parameter address and/or parameter value

 

for multi-parameter requests.

 

 

 

 

The number of parameters = 1 for single requests.

 

Attribute

Unsigned8

0x10

 

Value

 

 

0x20

 

Description

 

 

0x30

 

Text (not implemented)

 

Type of parameter element accessed.

 

No. of elements

Unsigned8

0x00

 

Special function

 

 

0x01

... 0x75

No. 1 ... 117

 

 

 

 

Limited by DPV1 telegram length

 

Number of array elements accessed.

 

Parameter number

Unsigned16

0x0001 ... 0xFFFF

No. 1 ... 65535

 

Addresses the parameter accessed.

 

 

Subindex

Unsigned16

0x0000 ... 0xFFFF

No. 0 ... 65535

 

Addresses the first array element of the parameter to be accessed.

Format

Unsigned8

0x02

 

Data type integer8

 

 

0x03

 

Data type integer16

 

 

0x04

 

Data type integer32

 

 

0x05

 

Data type unsigned8

 

 

0x06

 

Data type unsigned16

 

 

0x07

 

Data type unsigned32

 

 

0x08

 

Data type floating point

 

 

Other values

See PROFIdrive profile V3.1

 

 

0x40

 

Zero (without values as a positive

 

 

 

 

subresponse to a write request)

 

 

 

 

Byte

 

 

0x41

 

Word

 

 

0x42

 

Double word

 

 

0x43

 

Error

 

 

0x44

 

 

Drive Functions

395

Function Manual, (FH1), 07/2007 Edition, 6SL3097-2AB00-0BP4

Page 395
Image 395
Efficient Networks S120 manual 395