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🪜 PLC Programming - Ladder Logic Symbols and Functions

Ladder Logic Symbols:

Normally Open Contact Symbol

Normally Open Contact (NO)
Normally Closed Contact Symbol

Normally Closed Contact (NC)
Output Coil Symbol

Output Coil
Set Output Symbol Reset Output Symbol

Set & Reset Output (S)/(R)
Timer Symbol

Timer (TON / TOF)
Counter Symbol

Counter (CTU / CTD)
Comparison Symbol

Comparison Functions
Move Function Symbol

Data Movement Function

Ladder Logic Functions:

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