Concerning figure "B" of the illustration, if the illustrated PLC ladder diagram is for a simple motor controller, what do the "Internal relay 1" load and contacts represent? See illustration EL-0236.
A
An electro-magnetic relay internal to the PLC used to execute the stop command when the normally closed, momentary contact stop pushbutton switch (Input 2) is depressed.
B
An electro-magnetic relay internal to the PLC used to execute the stop command when the normally open, momentary contact stop pushbutton switch (Input 2) is depressed.
C
Programmed bits of data stored in memory used to execute the stop command when the normally closed, momentary contact stop pushbutton switch (Input 2) is depressed.
D
Question 1 / 270705eccefa5bacbc34ba4d48863
Question 1 of 270705eccefa5bacbc34ba4d48863
Concerning figure "B" of the illustration, if the illustrated PLC ladder diagram is for a simple motor controller, what do the "Internal relay 1" load and contacts represent? See illustration EL-0236.
Concerning figure "B" of the illustration, if the illustrated PLC ladder diagram is for a simple motor controller, what do the "Internal relay 1" load and contacts represent? See illustration EL-0236.
Programmed bits of data stored in memory used to execute the stop command when the normally open, momentary contact stop pushbutton switch (Input 2) is depressed.