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PROFIBUS-DP external communication cards
POWERXL DG1 SERIES VFD MN040010EN—September 2016 www.eaton.com
Coding
Coding of the fields in parameter request/parameter
response of base model parameter access.
The Eaton PowerXL Profibus board support only single
parameter and single element.
Max No. of Parameters = 1
Max No. of Elements = 1
Max No. of Values = 1
Table 126. Field coding
Field Data Type Value Comment
Request Reference Unsigned 8 0x00 Reserved
0x01…0xFF
Response ID Unsigned 8 0x00 Reserved
0x01 Request parameter (+)
0x02 Change parameter(+)
0x03…0x3F Reserved
0x40 INCORRECT Request Ref
0x41 INCORRECT Request ID
0x42 INVALID NOS PARAM
0x43 INVALID_Axis_DO_DI
0x44…0x7F Manufacturer-specific
0x80 Reserved
0x81 Request parameter (–)
0x82 Change parameter (–)
0x83…0xBF Reserved
0xC0…0xFF Manufacturer-specific
Axis/DO-ID Unsigned 8 0x00 Device-Representative Zero is not a DO but representative of the access to the
drive unit.
0x01…0xFE DO-ID-Number 1–254
0xFF Reserved
No. of Parameters Unsigned 8 0x00 Reserved There may be an additional limitation through the
communication system (telegram length) or optional
scalability.
0x01…0x27 Quantity 1–39
0x28…0xFF Reserved
Attribute Unsigned 8 0x00 Reserved The four less significant bits are reserved for (future)
expansion of “No. of Elements” to 12 bits.
0x10 Value
0x20 Description
0x30 Text
0x40…0x70 Reserved
0x80…0xF0 Manufacturer-specific
No. of Elements Unsigned 8 0x00 Special Function Limitation through compatibility with PROFIBUS
process data ASE telegram length.
0x01…0xEA Quality 1–234
0xEB…0xFF Reserved
Parameter Number Unsigned 16 0x0000 Reserved
0x0001 Number 1–65535
0xFFFF
Subindex Unsigned 16 0x0000… Number 0–65534
0xFFFF
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