UNIT-1_PLC ANALOG SIGNALS

PLC works with which values?

• .
• Boolean

Analog signal can be converted to Digital values using

• .
• .
• Sampling

1 KB of memory is equal to

• 1024 byte
• .

Disadvantage of PLC is

• .
• Fixed program application

1 nibble is equal to

• 4 bits
• .

What is 56 in binary?

• .
• .
• 111000

Approximately 1,000 bytes is equal to

• .
• Kilobyte

What unit of storage is used to represent 109 bytes?

• .
• .
• gigabyte

1 word is equal to

• 16 bits
• .

Often used Analog signal in Siemens PLC is

• .
• 4-20mA