V
Hi
can any body explain why MODBUS communication came into existence? Is it used for 3rd party communication? how can v make 3rd party communication? & also in PLC some signals (analog or digital) are taken through modbus, why it is done so? why modbus is needed? v can take all signals through AI, AO, DI & DO modules.
please reply
can any body explain why MODBUS communication came into existence? Is it used for 3rd party communication? how can v make 3rd party communication? & also in PLC some signals (analog or digital) are taken through modbus, why it is done so? why modbus is needed? v can take all signals through AI, AO, DI & DO modules.
please reply