As shown in the illustrated block diagram...

Question 1 / 2066636eee28f7522a1c51f324

Question 1 of 2066636eee28f7522a1c51f324

As shown in the illustrated block diagram for a distributed automation system, what statement is true concerning the data communication pathways labeled "Dual CAN"? Illustration EL-0096

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Question 1 of 20

66636eee28f7522a1c51f324

As shown in the illustrated block diagram for a distributed automation system, what statement is true concerning the data communication pathways labeled "Dual CAN"? Illustration EL-0096

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🔍 Key Concepts

• Controller Area Network (CAN) and what "bus" means in this context • Difference between a network pathway (bus) and an individual node/device on that network • Why a dual communication bus is often used in critical distributed automation systems

💭 Think About

• Look at where the words "Dual CAN" are drawn on the diagram: are they pointing to the cable/pathway or to individual modules? How does that affect whether they are networks or nodes? • In a shipboard automation system, what problem is usually solved by having two parallel CAN lines running the same places: loss of a device, or loss of a bus segment? • Compare the wording "supply and return pathways" with how a data bus normally works. Does a digital data bus usually have a one-way supply and a separate one-way return, or can it handle two‑way traffic on the same pair?

✅ Before You Answer

• Verify whether CAN stands for a type of network or a type of access node in control systems terminology. • Check whether "Dual" is more consistent with redundancy or with a normal transmit/receive pair on one bus. • Confirm from the picture that the same systems connect to two parallel long horizontal lines labeled "Dual CAN" – this should tell you whether the design is for redundant buses or redundant nodes.

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Question 1 of 20

As shown in the illustrated block diagram for a distributed automation system, what statement is true concerning the data communication pathways labeled "Dual CAN"? Illustration EL-0096

These are control area networks providing supply and return pathways for communication.

These are control area networks providing redundancy so as to maintain communications despite a bus failure.

These are communication access nodes providing redundancy so as to maintain communications despite a node failure.

These are communication access nodes providing supply and return pathways for communication.

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Question 1 / 2066636eee28f7522a1c51f324

Question 1 of 2066636eee28f7522a1c51f324

As shown in the illustrated block diagram for a distributed automation system, what statement is true concerning the data communication pathways labeled "Dual CAN"? Illustration EL-0096

Back

Question 1 of 20

66636eee28f7522a1c51f324

As shown in the illustrated block diagram for a distributed automation system, what statement is true concerning the data communication pathways labeled "Dual CAN"? Illustration EL-0096

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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