Siemens Simatic ET 200pro FC, Руководство по эксплуатации

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Commissioning and optimization (software)
7.4 Commissioning of communication between the S7 CPU and the frequency converter
ET 200pro FC
114
Operating Instructions, 07/2016, A5E01100763B AC
Table 7- 13 Description of the fields for parameter requests
Field Data type Values Remark
Request ID Unsigned 8 0x01
0x02
0x81
0x82 Read request (+)
Write request (+)
Read request (–)
Write request (–) Request positive,
status ok
Request negative,
error state
Mirrors the request ID and indicates whether the execution of the request has
been positive or negative. Negative means: part of the - or the entire request
cannot be executed. The error values are transferred in place of the values for
every sub-response.
Drive object ID See the table above
Qty Parameters See the table above
Format See the table above
Qty Values See the table above
Values See the table above
Error values Unsigned 16 0x0000 … 0x00FF Meaning of the error values: See
the next table
The error values in the event of a negative response. A zero byte is appended if
the values result in an odd number of bytes. This ensures integrity of the word
structure in the telegram.
Note
The DRIVE-ES SIMATIC block package provides function blocks within the standard block
libraries for writing/reading parameters, including a few examples.
Error values in parameter responses
Table 7- 14 Error values in parameter responses
Error
value
Meaning Remark Additional
inf.
0x00 Invalid parameter number Access to a non-existent parameter. –
0x01 Parameter value cannot be modi-
fied.
Attempt to modify a read-only parame-
ter.
Subindex
0x02 Low or high limit exceeded Attempted modification with value
outside limits.
Subindex
0x03 Invalid subindex Access to non-existing subindex. Subindex
0x04 No field Access with subindex to non-indexed
parameter.
–
0x05 Incorrect data type Attempt to modify with a value which is
incompatible with the data type of the
parameter.
–