Programming Symbols of Ladder language for PLC

Hi here today i am sharing the symbols of Ladder language for PLC Programming. Some symbols are generic but some are specific for relevant Modal of PLC series, these symbols are for LogixPro for Allen Bradly. See the detail description of symbols below

N.O (Normally Open)

Use for NO input switch condition. Logic condition of this symbol is to examine that either input is high are not, if input is high then this will activate internally.  

N.C (Normally Close)

Use for NC input switch condition. Logic condition of this symbol is to examine that either input is Low are not, if input is Low then this will activate internally. It means NC have inverted behavior of NO.  

OUTPUT
This symbol is use for output (to ON or OFF the load) internally have SPST relay.

New Rung:
This symbol is use to add new rung in ladder.

Rung Branch:
This symbol is use to add parallel path (as sub branch) across any switch are branch in a one rung.

Latch:
Latch is output symbol to set or activate (set at ON) the load.

Unlatch:
Unlatch is use to reset or deactivate (to set at off) the load which is latched by latch (symbol) function.

more description and examples with be in next posts.