PLC Siemens Test questions with correct
answers
3 Code Blocks (Program Blocks) used in Siemens - answer-Organization Block,
c c c c c c c c c c
Function, Function Block
c c c
Difference between FC (Function) and FB (Function Block) - answer-FC uses the
c c c c c c c c c c c
address of the given parameter, while an FB copies its parameters to/from an
c c c c c c c c c c c c c
associated data block
c c c
3 Memory Areas used by Siemens PLC - answer-Load Memory, Work Memory,
c c c c c c c c c c c
Retentive Memory
c c
Which memory areas are volatile and which are non-volatile? - answer-Work Memory is
c c c c c c c c c c c c
Volatile, Load Memory and Retentive Memory are Non-Volatile
c c c c c c c c
Which memory area contains hardware configuration data and the user program? -
c c c c c c c c c c c
answer-Load Memory
c c
Which memory area is used by the program execution? - answer-Work Memory
c c c c c c c c c c c
Which memory area is user defined? - answer-Retentive Memory
c c c c c c c c
Siemens PLC Tags are synonymous with which Allen-Bradley CompactLogix tags? -
c c c c c c c c c c
answer-Controller Tags
c c
Siemens Local Tags are synonymous with which Allen-Bradley CompactLogix tags? -
c c c c c c c c c c
answer-Program Tags
c c
A program cycle OB is similar to which task in CompactLogix? - answer-Continuous
c c c c c c c c c c c c
Task
c
An interrupt OB is similar to which task in CompactLogix? - answer-Event Task
c c c c c c c c c c c c
Which Siemens program block uses an instance data block to store data? - answer-
c c c c c c c c c c c c c
Function Bock c
Which program block is the interface between the operating system and user program? -
c c c c c c c c c c c c c
answer-Organization Block
c c
answers
3 Code Blocks (Program Blocks) used in Siemens - answer-Organization Block,
c c c c c c c c c c
Function, Function Block
c c c
Difference between FC (Function) and FB (Function Block) - answer-FC uses the
c c c c c c c c c c c
address of the given parameter, while an FB copies its parameters to/from an
c c c c c c c c c c c c c
associated data block
c c c
3 Memory Areas used by Siemens PLC - answer-Load Memory, Work Memory,
c c c c c c c c c c c
Retentive Memory
c c
Which memory areas are volatile and which are non-volatile? - answer-Work Memory is
c c c c c c c c c c c c
Volatile, Load Memory and Retentive Memory are Non-Volatile
c c c c c c c c
Which memory area contains hardware configuration data and the user program? -
c c c c c c c c c c c
answer-Load Memory
c c
Which memory area is used by the program execution? - answer-Work Memory
c c c c c c c c c c c
Which memory area is user defined? - answer-Retentive Memory
c c c c c c c c
Siemens PLC Tags are synonymous with which Allen-Bradley CompactLogix tags? -
c c c c c c c c c c
answer-Controller Tags
c c
Siemens Local Tags are synonymous with which Allen-Bradley CompactLogix tags? -
c c c c c c c c c c
answer-Program Tags
c c
A program cycle OB is similar to which task in CompactLogix? - answer-Continuous
c c c c c c c c c c c c
Task
c
An interrupt OB is similar to which task in CompactLogix? - answer-Event Task
c c c c c c c c c c c c
Which Siemens program block uses an instance data block to store data? - answer-
c c c c c c c c c c c c c
Function Bock c
Which program block is the interface between the operating system and user program? -
c c c c c c c c c c c c c
answer-Organization Block
c c