WorksheetsINSTRUMENT INSTALLATION AND MAINTENANCE
Total questions: 8
Worksheet time: 4mins
Field-level buses can be grouped in many categories. Which bus is used with proximity switches, pushbuttons, motor starters, and other simple devices?
Device Bus
Sensor Bus
Fieldbus
Profibus DP
What is the meaning of HART
Highway Addressable Remote Transformer
Highway Addressable Remote Transmitter
Highway Addressable Remote Thermometer
Highway Addressable Remote Transducer
FOUNDATION fieldbus is covered by standards from three major organizations EXCEPT
ISO 9001:2000
ANSI/ISA 50.02
CENELAC EN50170:1996/A1
IEC 61158
Which one of a sentence below related to Fieldbus?
Sensor buses are common in discrete manufacturing.
Multiple field-level networks, with different types of buses to meet different needs.
Provide highly reliable two-way communications between "smart" devices and systems in time-critical applications.
Buses are designed to meet the needs of more complex devices, often in fast-moving discrete operations requiring short, fast communications.
There are several types of wires are used in Fieldbus wiring. Which one of a sentence below related to Type C Wire?
Multiple Twisted Pair Without Shield, #26 AWG (0.13 mm2) , 400 m (1312ft)
Multiple Twisted Pair Without Shield, #22 AWG (0.32 mm2), 400 m (1312ft)
Multiple Twisted Pair Without Shield, #26 AWG (0.13 mm2) , 200 m (656ft)
Multiple Twisted Pair With Overall Shield, #26 AWG (0.13 mm2), 400 m (1312ft)
The Fieldbus communications model consists of three layers EXCEPT
The User Layer
The Network Layer
The Data Link & Application Layer
The Physical Layer
A segment has 4000 feet (1220 meters) of type A shielded twisted pair wire and 200 feet (61 meters) of type D non-shielded, non-twisted pair. What is the sum of the ratios for this 2 mixing wire?
0.64 or 64%
0,74 or 74 %
0,84 or 84 %
0.94 or 94 %
What is IEC 61511?
An international safety standard issued by the International Electrotechnical Commission.
An international safety standard issued by the International Electronic Commission.
An international safety standard issued by the International Electrical Commission.
An international safety standard issued by the International Electromechanical
Commission
