PLC coil functions
What is the primary function of a coil in a PLC program?
To actuate an output device
Which PLC coil function retains its state even if the PLC loses power?
Latch coil
What happens when an output coil in a PLC program is energized?
The corresponding output device is activated
Which of the following PLC coil types is used to maintain an output state until a reset condition occurs?
Latch coil
How can a latched coil be reset in a PLC program?
By using a corresponding reset coil
Which PLC coil function is commonly used to control motors and solenoids?
Output coil
What is the main difference between a standard output coil and a latch coil?
A latch coil retains its state until reset, while a standard coil deactivates when conditions change
Which PLC coil function is typically used to reset a latched output?
Reset coil
What does an internal relay coil do in a PLC program?
Acts as an intermediary control element without directly operating external devices
Which PLC coil type is typically used in conjunction with counters and timers?
Memory coil