Answer / amar

the 3 languages of plc is.....ladder, fbd ,and sfc...

Answer / jewel

laadder logic, Sequencial function chart, Function Block
Diagram,Instrucitn list, structured text

Answer / satish m. patel, bilimora

1. Ladder logic.
2. function block diagram.
3. structure text language.

Answer / saber

programming languages are:

1. FBD
2. LD
3. STL etc.

Answer / ladla

There are different programming languages such as ladder,
functional block diagram, statement list

Answer / dean hardage

I can only answer about Allen-Bradley processors. The most
commonly used 'language' is ladder logic and it is, in my
opinion, the best one to use since it visualizes the states
of the conditions used in the programming. The second one
is function block programming. This bears a strong
resemblance to a schematic drawing, showing each command
like an integrated circuit and its inputs and outputs as
pins. Useful for such things as PID loops. The last of
the three is structured text. This is very much like BASIC
programming, utilizing single lines of code for testing
conditions and adjusting outputs based on those tests. It
is the most difficult to use since there is no way to see
the conditions of the inputs/outputs or the values of any
analog numbers used.

Answer / ivy

Ladder Logic, Statement list, Function block

Answer / k.maheswara rao

There are five programming languages. they are
1)Ladder diagrams(LD)
2)Sequential Function Charts(SFC)
3)Function block diagrams(FBD)
4)Structured Text(ST)
5)Instructions List(IL)

Answer / monali

1. Ladder
2.functional block diagram(FBD)
3.statement list(STL)

Answer / s

1.Ladder logic-Mostly used
2.Function block diagram-used in recent siemens PLC
3.No idea about third one

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