Successful broadcast request on modbus on Premium/Micro PLC (SCP111/114 or SCY) returns 16#00FF as result in second word of management table (instead of 16#0000 for a correct exchange in other protocols)
Successful broadcast request on modbus on M340 PLC returns 16#0001 as result in second word of management table (instead of 16#0000 for a correct exchange in other protocols)

To take into account when performing broadcast over Premium/Micro and M340.