For SDM120 the first S0-interface is with fixed pulse-rate and for the second S0-interface you can remotely set the pulse-rate, while DDS238-1ZN only has one S0-interface with fixed pulse-rate. DDS238Registeraddresses (30.96 KiB) Downloaded 269 timesModbus dictates the use of Slave adresses (001 till 247, 000 for 'Broadcast') and certain function codes (03H, 04H and 10H) for primary access, but many differences at the next level:- communication settings like bitrate and parity sometimes differ, or can be set- other addresses to be called for write-commands and for read-requests- other contents and layout of the commands and of read-requests- other functions to command and to call e.g. Domoticz needs the master end uld be a good base for domoticz modbus?There is quite nice FAQ about modbus.
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