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Conversion of PLC Logic from One Brand to Another
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1
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611
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July 31, 2023
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What are the Fail-Safe Positions of Control Valves?
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0
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1305
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July 27, 2023
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Types of Thermal Mass Flowmeters
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1
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625
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July 26, 2023
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Types of Flow Sensors
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0
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938
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June 14, 2019
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Flow meter instrument direction
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2
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904
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July 3, 2023
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How to Calculate the Cv of Control Valve?
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0
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903
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July 25, 2023
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The scan time is the time required ___
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1
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800
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July 25, 2023
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More than one pushbutton station (operator’s control station) can be installed for a given control line in a control circuit (line or ladder diagram). Multiple NC Stop PB switches must be wired in ___ to form a NOR logic gate (circuit)
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1
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414
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July 25, 2023
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The output of a PLC counter is energized when ___
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1
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748
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July 25, 2023
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PLC counters are normally non-retentive
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1
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605
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July 25, 2023
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Optical isolation used in I/O modules helps to reduce the effects of electrical noise
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1
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311
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July 25, 2023
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An inductive proximity sensor is actuated by conductive and ___
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1
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378
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July 25, 2023
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An air-operated isolation valve requires 2,400 pounds-force applied to the top of the actuator diaphragm to open against spring pressure ___
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1
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317
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July 25, 2023
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When a relay-logic Wired-AND gate is employed in a motor control circuit, the ___
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1
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296
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July 25, 2023
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Analog signals can have only two states
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1
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369
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July 25, 2023
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The acronym SPDT identifies a ___ - ___, ___ switch
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1
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302
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July 25, 2023
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When a PB-switch-logic Wired-Exclusive-OR gate is employed in a motor control circuit, When both switches are activated, the PB-switch-logic output, taken at the common node forming the OR gate of the two series-connected switch inputs, is ___ volts
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1
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2331
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July 25, 2023
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When a relay-logic Wired-AND gate is employed in a motor control circuit ___
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1
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313
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July 25, 2023
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A PLC down-counter (CTD) counter counts ___
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1
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441
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July 25, 2023
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The maximum current rating for the individual outputs of an AC output module ___
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1
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361
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July 25, 2023
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6-port and 10-port Valves in the Gas Chromatograph
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0
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463
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July 21, 2023
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Design a logic circuit that triggers an alarm if motion is detected or if the door is opened
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0
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259
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July 19, 2023
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Anderson bridge is used to measure of ___
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1
|
783
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July 18, 2023
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A thermo-couple instrument can be used for the ___
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0
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424
|
July 30, 2021
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Hay's bridge is suitable for inductances having low L/R ratio ___
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1
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342
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July 18, 2023
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How to Test an SCR? - Silicon Controlled Rectifier
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0
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740
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July 15, 2023
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What is Permissives, Protections and Interlocks?
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1
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1715
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July 15, 2023
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What are the different Modules used in PLC?
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0
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1108
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February 10, 2020
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What is Ground Loop? Preventive steps to avoid ground loop?
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1
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1167
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July 15, 2023
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How to Calculate PLC Inputs Power?
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0
|
1178
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June 23, 2023
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