The DeviceNet scanner shown is used instead of:
A)I/O modules.
B)the processor module.
C)the chassis power supply module.
D)all of these.

Question

The DeviceNet scanner shown is used instead of: 
A)I/O modules. 
B)the processor module. 
C)the chassis power supply module. 
D)all of these.

Quizplus · Accepted Answer

The DeviceNet scanner module is used for communication between the Allen-Bradley PLC system and external devices on the DeviceNet network. It is not used instead of I/O modules, the processor module or the chassis power supply module, but is an additional module used for communication purposes. Therefore, the best choice is A, as it describes the modules that the DeviceNet scanner is not used instead of.

The DeviceNet Scanner Shown Is Used Instead Of