Table 26: Response (continued)
0 1 1 1 Command cannot be performed.
1 1 1 1 Text transferred.
If the command cannot be performed, the follower sends 0111 Command cannot be performed response and issues the following fault
reports in the Table 27.
Table 27: Follower Report
Fault code FC specification
0 Illegal parameter number.
1 Parameter cannot be changed
2 Upper or lower limit is exceeded.
3 Subindex is corrupted.
4 No array.
5 Wrong data type.
6 Not used.
7 Not used.
9 Description element is not available.
11 No parameter write access.
15 No text available.
17 Not applicable while running.
18 Other errors.
100 –
>100 –
130 No bus access for this parameter.
131 Write to factory set-up is not possible.
132 No control panel access.
252 Unknown viewer.
253 Request is not supported.
254 Unknown attribute.
255 No error.
6.1.6.2.8 Parameter Number (PNU)
Bits 0–11 transfer parameter numbers. The parameter number is the unique identifier of a parameter for modbus registers. As an
example, consider write to P 5.4.2 Operation Mode, the register is 999. The register is the Parameter Number * 10-1. In P 5.4.2 Operation
Mode, the parameter number is 100. For more information on parameter number, see 7.1 Reading the Parameter Table.
80 | Danfoss A/S © 2024.03 AB413939445838en-000301 / 130R1254
Application Guide | iC2-Micro Frequency Converters
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