Coolmay L02 Series - Modbus ASCII Protocol

Coolmay L02 Series PLC Programming Manual
https://en.coolmay.com/
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8.3.6. Modbus ASCII protocol
When used as Modbus ASCII protocol: The specific parameter settings are
the same as 8.3.3, only the 12th bit setting of D8120 is different. For specific
settings, refer to the introduction of D8120 parameter settings in chapter 8.3.3.
Note: In modbus ASCII protocol, ADPRW command is not supported.
Program example:
Host program: