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PROCESS CONTROLLING SYSTEM
SixModelIMYswithSerialCommunicationOption
are used to monitor and control the temperature of 6
ovensatalargebakery.TheIMYsarelocatedateachof
the ovens in the production area of the building. The
communicationslinesareruntoanindustrialcomputer
located in the production offices.
The drawing below shows the Current Loop set-up.
Each IMY is given an address and programmed
accordingly(ProgramModule#7).Abaudrateof1200
is selected.
An application program is written, which sends and
retrieves data from the IMYs.
Note:OnallIMindicators,theSO+andthe+20mASRC
areconnected internally. Therefore itis not necessary
to have this terminal tied to any other terminal on the
unit if that unit is serving as the loop supply source.
