10 Questions
What is the role of EEPROM in a PLC memory unit?
Allows initial and/or additional information to be written into the chip
How does the CPU of a PLC interact with the EEPROM in the memory unit?
Fetches program instructions from EEPROM
What distinguishes EEPROM from PROM in a PLC memory unit?
EEPROM does not require erasing before reprogramming, unlike PROM
Which of the following is a disadvantage of PLCs mentioned in the text?
Fail-Safe Operation
In the context of PLCs, what is a main advantage of using HMI?
Simulation Feature
Which of the following is NOT listed as a leading brand of European PLCs in the text?
Telemechanique
What are some common industrial applications of PLCs according to the text?
Mining / Power
What is the purpose of EEPROM in a PLC system?
Serve as a backup for normal RAM memory
How can the memory content of an EPROM chip be erased?
By exposing the chip to ultra violet light
What distinguishes EEPROM from EPROM in terms of erasing the memory content?
EEPROM is erased by applying a signal to the erase pin, while EPROM is erased by ultra violet light exposure
Test your knowledge on EPROM (Erasable Programmable Read Only Memory) programming and operation. Learn about the process of writing into EPROM, its ideal uses, and the structure of EPROM chips.
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