Modbus

note by default, the modbus drivers monitor holding address 0 for connection status if the modbus device does not have holding address 0, then it will not show the "connected" status you will still be able to read data from the device here are the major differences for the modbus drivers driver use enron modbus docid\ e6cghojseprtzq they8s serial connection or tcp connection to an enron modbus device modbus ascii docid\ bianqt2soetr7o5k0j63o modbus ascii advanced docid alql2 zeowiai3ckcue serial connection to a device using modbus ascii use the advanced driver for a multi drop network with multiple station ids modbus rtu docid\ ojdjp8zaynmi60fhonu3c modbus rtu advanced docid\ dyatkpozlr44g3sh8s783 modbus multi station rtu to tcp converter docid\ ekykcerqqxlxecccyrj37 serial connection to a device using modbus rtu use the advanced driver for a multi drop network with multiple station ids use the multi station driver if you want to reuse tag names across station ids modbus rtu over tcp docid\ rfc9mvh12mmgs8zml6lf4 tcp connection to a modbus server which has one or more modbus rtu connections modbus tcp docid\ fdminjdckrjhg8uz0m9gf tcp connection to a modbus device modbus udp docid\ pqywpntg53tblktnynulw udp connection to a modbus device