NMEA 2000 Certified Device identify their...

Question 1 / 20AmuETzSNJcyt2GROXwD1

Question 1 of 20AmuETzSNJcyt2GROXwD1

NMEA 2000 Certified Device identify their current requirements in terms of LENs (load Equivalent Number). 1 LEN is equal to:

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Question 1 of 20

AmuETzSNJcyt2GROXwD1

NMEA 2000 Certified Device identify their current requirements in terms of LENs (load Equivalent Number). 1 LEN is equal to:

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🔍 Key Concepts

• NMEA 2000 power budgeting on a backbone/network • Meaning of LEN (Load Equivalency Number) as a standardized current unit • How device current draw adds up in LENs vs milliamps (mA)

💭 Think About

• If a device label says it draws a certain number of LENs, what total current (in mA) would several such devices represent? • Think about whether 1 LEN should be a large or small amount of current so that many devices can be counted on one network. • Compare the answers: which value would make it practical to express small electronic loads as neat whole-number LENs?

✅ Before You Answer

• Check that 1 LEN value is realistic for small marine electronics (e.g., sensors, displays) rather than big motors or pumps. • Verify that using this value, a network with 50–100 LEN of devices still stays within a reasonable total current for an NMEA 2000 backbone. • Confirm that the unit is defined in milliamps (mA), not amps, and that the decimal place makes sense when multiplied by typical LEN ratings.

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Question 1 of 20

NMEA 2000 Certified Device identify their current requirements in terms of LENs (load Equivalent Number). 1 LEN is equal to:

1 Amp

500 mA

50 mA

25 mA

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Question 1 / 20AmuETzSNJcyt2GROXwD1

Question 1 of 20AmuETzSNJcyt2GROXwD1

NMEA 2000 Certified Device identify their current requirements in terms of LENs (load Equivalent Number). 1 LEN is equal to:

Back

Question 1 of 20

AmuETzSNJcyt2GROXwD1

NMEA 2000 Certified Device identify their current requirements in terms of LENs (load Equivalent Number). 1 LEN is equal to:

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?

Quick actions

— No credit card needed