#103 Illegal data address error

[Anonymous]

Hello,
I am trying to Set an external heartbeat controller for an inverter. First i need to set the password level before writing the parameter. When trying to Read/Write Register 40215 = 12345678 i get an illegal data addrress error message: How could i please solve this error if you dont mind?
See attachment
Kind regards
Donald

[elbar]

Hello. thanks for writing in.

The prefix 4 in most cases is not used. It just means 'holding register'. Try again using the address 125 and not just one register but a range of registers.

Best Regards