Ii) The set input (S) cannot be received while R is ON. I) If S and R are ON simultaneously, the reset input takes precedence.
Note:- Click on the Picture for a clear View. An example of this that can be used to produce a warning display following a system shutdown for an emergency situation is shown below. KEEP can thus be used to program bits that will maintain status after restarting the PLC following a power interruption. If a holding bit is used for BIT to be SET, the bit status will be retained even during a power interruption. KEEP Instruction can be used to create flip-flops as shown below.
How to Make Flip-Flop using KEEP Instruction in PLC Recommended Article: PLC Logic Auto-Filling Tank Start up CX-D Creating a new project Project property System setting Creating a screen Validation. 1.0 is used here.) When the CX-Designer is started up, the main window will appear. When W3.0 turns ON, the designated bit will go OFF(w4.0). Starting up the CX-Designer Select Start-Program-Omron-CX-One-CX-Designer-CX-Designer Ver. When W2.0 turns ON, the designated bit will go ON and stay ON until reset, regardless of whether W2.0 stays ON or goes OFF. Note:- Click on the picture for a clear view.
Separate omron manuals describe the plc programming structure and instruction set. YouTube me channel Name (khatu shyam plc program and shyam plc prog. KEEP is the instruction name and in this instruction, we can define the SET and RESET conditions at same rung. It also provides a detailed reference for all of the cx-programmer functions. This video in omron plc simulater and one push button stater than motor Reversh Forword.
There is a better instruction available in CX-Programmer for such situation, CX- Programmer is the software used to program the Omron PLC, which can do your job easy. KEEP Instruction - Omron PLC Programming Tips