Danfoss vlt soft starter mcd 500 Kurulum Talimatları Kılavuzu - Sayfa 8
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Modbus Error Codes
Upload parameter to starter
MCD 500: Write Parameter 4, Current Limit (Parameter 1-4), set = 400% FLC
Message
In
Out
9. Modbus Error Codes
Code
01
02
03
04
05
06
07
08
09
10
Starter
Function
Address
Code
20
20
Description
Illegal function code
Illegal data address
Not readable data
Not writable data
Data boundary fault
Invalid command code
Illegal parameter read
Illegal parameter write
Unsupported command
Local communication error
N.B.!:
Some of the above codes are different from those defined in the Modbus Application
Protocol Specification available on www.modbus.org.
MG.17.F5.02 - VLT® is a registered Danfoss trademark
Register
Address
06
40012
06
40012
Example
Function other than 03 or 06
Register number invalid
Register not allowed for data reading
Register not allowed for data writing
Multiple data transfer across data boundary or data size more than
125
e.g. writing "6" into 40003
Invalid parameter number
Invalid parameter number, read only, or hidden parameter
Sending a serial command to MCD 500 with parameter 3-2 =
Disable control in RMT.
Communication error between Modbus slave and starter
MCD Modbus Module Instructions
Data
CRC
400
CRC1, CRC2
400
CRC1, CRC2
8