Warning

You are reading an old version of this documentation. If you want up-to-date information, please have a look at 2024.6 .

Configuration

Default Modbus TCP parameters for the Asycube are:

IP Address

192.168.127.254

Subnet Mask

255.255.255.0

Modbus port

502

Unit ID

N/A for Modbus TCP

The IP Address and the Subnet Mask are shared with the TCP/IP communication and can be changed in the configuration page unlike the Modbus port, which is fixed to 502.

Out of all Modbus public function codes, the Asycube implements the minimum useful set of functions (Class 0):

  • Code 03 (0x03): Read Holding Registers, with 16 bits access

  • Code 16 (0x10): Write Multiple Registers, with 16 bits access