Rockwell Automation 160PD1 160 Profibus Communication Module - Manual (Page 25)

Profibus Parameter Descriptions and Data Protocol 5–5
Parameter Access Parameter Attributes
Each parameter is described by an attribute to be read according to
table 5.F. The attribute consists of one word with 2 bytes which are
defined as follows:
High Byte stores the Unit (scaling) according to the table 5.G,
Low Byte stores the parameter number.
Table 5.F
Parameter Access Status
The following access codes are returned in the Parameter Access
Status Byte:
Table 5.G .
A successful access is indicated by Access Status Byte 000’0001.
High Byte Units
0 Decimal 1
1 Decimal 0.1
2 Decimal 0.01
3 Hexadecimal 1
4 Binary 1
5 Decimal (signed) 1
6 Decimal (signed) 0.1
7 Decimal (signed) 0.01
Fault Code Fault Description Parameter Access Status
Bit 7 Bit 6 Bit 5 Bit 0
- Network option is processing access
request x x x 0
0 No fault, access successfull 0 0 0 1
1 Parameter value is out of limits 0 0 1 1
2 Parameter write attempt while drive is
running 0 1 0 1
3 Parameter number is too small 0 1 1 1
4 Parameter number is too high 1 0 0 1
5 Parameter number not valid 1 0 1 1
6 No valid response from drive 1 1 0 1
7 Incorrect Parameter Operation code 1 1 1 1