Danfoss FC 300 Profibus

FC 300 Profibus
How to Access FC 300 Parameters
 Request / Response Attributes
The table contains an overview of the possible attributes of the PROFIdrive parameter channel.
Field Data type Values Remark
Request reference Unsigned8 0x01..0xFF
Request ID Unsigned8 0x01 request parameter value
0x02 change parameter value
0x42 change parameter non-volatile
0x51 request par. value double word
0x52 change par. value double word
Identification for read or write
request
Response ID Unsigned8 0x01 request parameter (+)
0x02 change parameter (+)
0x81 request parameter (-)
0x82 change parameter (-)
Identification for the response
Axis Unsigned8 0x00..0xFF num ber (always 0)
Number of
parameters
Unsigned8 0x01..0x25 Limitation: DP V1 telegram
length
Attribute Unsigned8 0x10 value
0x20 description
0x30 text
Number of
elements
Unsigned8
0x01-0xFA Quantity 1-234
Limitation: DP V1 telegram
length
Parameter number Unsigned16 0x0001... num ber 1-65535
0xFFFF
Subindex Unsigned16 0x0000 number 0-65535
0xFFFF
Format Unsigned8 0x01..0x36 Data types
0x40 Null
0x41 Byte
0x42 Word
0x43 Double word
0x44 Error
Number of values Unsigned8 0x01..0xEA Quantity 0-234 Limitation: DP V1 telegram
length
Error num ber Unsigned16 0x0000... Error number
 Request Reference
Unique identification of request/response pair for the master. The master changes the request reference with
each new request. The slave mirrors the request reference in the response.
 Request ID
The following request identification
s are defined:
0x01 Request parameter
0x02 Change parameter (Data are NOT stored in non-volatile memory, lost at power
cycle)
0x42 Change parameter non-volatile (Data are stored in non-volatile memory)
0x51 Request parameter value double word. (All parameters are formatted and
transferred as Double Word size, regardless of the actual data type)
0x52 Change paramete r value double word. (All parameters must be formatted and sent
as Double Word size, regardless of data type)
 Response ID
The Response ID indicates if the Read or Write request was successfully performed in the FC 300. I f the
response is negative, the request is answered negative (first bit = 1) and an error code is entered per
partial response, instead of the value.
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