DeviceNet is ________.
A) An open industrial networking standard that takes advantage of commercial off-the-shelf Ethernet hardware
B) A low-cost communications single cable network with input and output devices with an embedded microprocessor for network communications
C) An open network standard that uses the producer/consumer network model to efficiently exchange time-critical application information in control systems
D) A vendor-specific network for use with AB hardware
Question 2
Which of the following RLL applications is not normally performed in early automation systems?
A) Proportional control of field devices B) Logical control of discrete devices
C) On/off control of field devices D) On/off control of motor starters