dear all,
would you please help me in solving problem with :-
when i connect any device let say flow meter to my plc(s7-300)
the device appears in my hardware catalog and all is fine .but
when i begin to read from it i don't know what does that value mean ? let say series2000 flow meter of emerson it contains 3slots supposed to be for flow density and temp.each of input double word ,now what the value of these input double word mean i mean that value represents flow in what units? or it needs to be converted
to give any meaning? is it real or hex ?...etc
any contribution will help.
regards
would you please help me in solving problem with :-
when i connect any device let say flow meter to my plc(s7-300)
the device appears in my hardware catalog and all is fine .but
when i begin to read from it i don't know what does that value mean ? let say series2000 flow meter of emerson it contains 3slots supposed to be for flow density and temp.each of input double word ,now what the value of these input double word mean i mean that value represents flow in what units? or it needs to be converted
to give any meaning? is it real or hex ?...etc
any contribution will help.
regards