If I understand correctly, between the physical switches and the make and brake symbols of a plc, the bits mediate. The bits have an initial value of '0', so it coincides with the normally open state of a contact, while the same is not true of the initial closed state of a contact in the ladder diagram, which for any contact to open, the input bit must change from 0 to 1
Good evening! Forgive me if I am wrong but I have found some things that hinder my understanding of the terms NO/NC physical contacts and MAKE/BRAKE XIO/XIC internal PLC logical contacts. First, i tend to believe that a circuit is activated when there is some action (pressing a physical button or contact by the user or when the physical relay coil is energised and therefore magnetizes the contacts. Second, i tend to consider the user physical switches and the logical internal contacts of the PLC program as contacts of one state, because that way the brain thinks more simply, while they are two states by definition (double throw). So even in the case of non-activation by the user or PLC program there may be an active circuit/load. With the terms NO/NC I personally like to refer to the user physical buttons or contacts while with the terms XIC/XIO, MAKE/BREAK the logical contacts inside the PLC program that are activated by the user. To what extent am I correct in my words? Thanks!
With reference to Omron CPM2A PLC. Two (2) electric motors, Motor 1 and Motor 2 are to be started and stopped manually where: 1) Both motors may be started and stopped at any given time if running individually. 2) It is only possible to stop Motor 2 after Motor 1 has been stopped first, if both motors are running simultaneously. Complete the ladder diagram with correct instructions for the PLC to fulfil the sequence correctly. Could you sir pls solve this laser diagram?
than you for that lecture greeting sir can help me to draw for a plc ladder diagram of two push buttons with three pilot lamps, in that when button one is pressed and released, lamp one lights and stay ON, when same button is pressed and released for the second time, lamp two lights and stays ON, also when same button is pressed and released for the third time, lamp three lights and stay ON .BUT when the second button is pressed, all the lamps goes OFF THANK YOU AM PETER IN UGANDA help i found it in my examination
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If I understand correctly, between the physical switches and the make and brake symbols of a plc, the bits mediate. The bits have an initial value of '0', so it coincides with the normally open state of a contact, while the same is not true of the initial closed state of a contact in the ladder diagram, which for any contact to open, the input bit must change from 0 to 1
The unnecessary background music makes it difficult to understand the voice
Good evening! Forgive me if I am wrong but I have found some things that hinder my understanding of the terms NO/NC physical contacts and MAKE/BRAKE XIO/XIC internal PLC logical contacts.
First, i tend to believe that a circuit is activated when there is some action (pressing a physical button or contact by the user or when the physical relay coil is energised and therefore magnetizes the contacts.
Second, i tend to consider the user physical switches and the logical internal contacts of the PLC program as contacts of one state, because that way the brain thinks more simply, while they are two states by definition (double throw). So even in the case of non-activation by the user or PLC program there may be an active circuit/load.
With the terms NO/NC I personally like to refer to the user physical buttons or contacts while with the terms XIC/XIO, MAKE/BREAK the logical contacts inside the PLC program that are activated by the user.
To what extent am I correct in my words? Thanks!
bro just liked your comment, nothing else
With reference to Omron CPM2A PLC. Two (2) electric motors, Motor 1 and Motor 2 are to be started and stopped manually where:
1) Both motors may be started and stopped at any given time if running individually.
2) It is only possible to stop Motor 2 after Motor 1 has been stopped first, if both motors are running simultaneously.
Complete the ladder diagram with correct instructions for the PLC to fulfil the sequence correctly.
Could you sir pls solve this laser diagram?
I've just studied almost the same for my grade 12 physics exam
Very very nice sar
Thanks alot
Background music mat dalo clear nai sunaidera
than you for that lecture
greeting sir
can help me to draw for a plc ladder diagram of two push buttons with three pilot lamps, in that when button one is pressed and released, lamp one lights and stay ON, when same button is pressed and released for the second time, lamp two lights and stays ON, also when same button is pressed and released for the third time, lamp three lights and stay ON .BUT when the second button is pressed, all the lamps goes OFF
THANK YOU
AM PETER IN UGANDA
help i found it in my examination
Nice
The voice is not clear. Lot of background noise.
Great!
Sir, can you please explain why we use normally closed switches for NAND gate?
Because nand get expression in Y=A.B bar and whe bar I'n..any equation we will used to be normally close
Can U explain Ladder diagram For to 2 way railway Gate Control at a Time By Automatic Mode
Samajana nhi ata apko sir
Hindi mai batao sir ji
Waste of time....
Padhanaa sikh lo tb aana bekar