SERCOS is ________
A) A low-cost communications single cable network with input and output devices with an embedded microprocessor for network communications
B) A digital motion control network that interfaces the motion control module in the PLC with the servo motor drive through a fiber optic cable
C) An open network standard that uses the producer/consumer network model to efficiently exchange time-critical application information in control systems
D) An open industrial networking standard that takes advantage of commercial off-the-shelf Ethernet hardware
B
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Which of following might be a “Should” recommendation?
A. Turn signal works but the plastic handle has a small chip out of it B. A horn will blow only if the steering wheel is in the straight ahead position, not when turned C. A horn that blows as soon as the ignition is turned on D. An emergency brake that does not work
What are the advantages of designing exposed ceilings (no T-bars and tiles)? Select all that apply.
A) Access to services will be easier. B) Space will be quieter. C) Housekeeping will be easier. D) Eliminating the ceiling will be cheaper.
The NEC® article that covers equipment grounding and equipment grounding conductors is _____.
a. NEC Article 250 b. NEC Article 340 c. NEC Article 680 d. NEC Article 725
According to ASME, the key to effective communication on electrical drawings is the use of standardized symbols so that anyone who uses the diagram makes the same interpretation.
Answer the following statement true (T) or false (F)