How To Access Parameters - Danfoss iC2 Application Manual

Application Guide | iC2-Micro Frequency Converters
Table 37: Drive Status Word (FC Profile) (continued)
Coil
47
48
Address/Registers
Table 38: Address/Registers
Bus address
Bus register
0 1
1 2
2 3
3 4
4 5
5 6
6 7
7 8
8 9
9 10
29 30
1) Value written in the Modbus RTU telegram must be 1 or less than the register number. For example, Read Modbus Register 1 by writing value 0 in the telegram.

How to Access Parameters

6.1.7.5
Parameter Handling
6.1.7.5.1
The PNU (parameter number) is translated from the register address contained in the Modbus read or write telegram. The parameter
number is translated to Modbus as (10 * parameter number-1) decimal.
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0
Not in current limit
No thermal warning
PLC register
(1)
40001
40002
40003
40004
40005
40006
40007
40008
40009
40010
40030
1
Current limit
Thermal warning
Content Access
Reserved –
Reserved –
Reserved –
Free –
Free –
Modbus configura- Read/Write
tion
Last fault code Read only
Last error register Read only
Index pointer Read/Write
Dependent on pa-
rameter access
Dependent on pa-
rameter access
AB413939445838en-000301 / 130R1254 |
Description
Reserved for legacy
drives
Reserved for legacy
drives
Reserved for legacy
drives
–
–
TCP only. Reserved
for Modbus TCP
Fault code received
from parameter
database
Address of register
with which last er-
ror occurred.
Subindex of pa-
rameter to be ac-
cessed.
20 bytes space re-
served for parame-
ter in Modbus map.
20 bytes space re-
served for parame-
ter in Modbus map.
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