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If i have 4 Allen Bradely make RS logix 5000 PLC and for viewing that we are using 4 RS view SCADA for 4 different packages. Now, I will want to view two packages on only one SCADA. Then how i will do it?
2437I have one DP transmitter of range 0-500mmWC i have to calculate its range in M3/hr for flow measurement so whats the formula.
4 155261. For Steam drum level signal, why do we compensate with drum pressure signal? 2.For main steam Flow signal is comensated with main steam temperature signal and main steam pressure signal why?
2273Please anyone answer my question, what is the difference between single acting and double acting control valve, in what condition we better choose single acting rather than double acting
2 7828In Increasing temperature why thermocouple used and RTD is not used. Both RTD and Thermocouple have in Range of uses.
L&T,
5 14883what is commisioning procedure,2)what is is the main work in commisioning in the field tx to dcs, plz send me detail
2372Can we place a Control Panel in Hazardous area Group IIC ? If 'yes' then is there any approval required? If 'yes' then there is any specific IP rating or any standard required? If 'Yes' What is MOC of control panel?
2 5779Post New Instrumentation Questions
how the arrangement of equipments done in control room
what is the different between deflection type measurement and null type measurement in RTD?
how many type conductivity sensor ?
which type of zones used for boiler? & why ?
Why do we have earthing cable in branch cable and shield in the same cable?
What is the use of double seated valve?
In most instances, Inertia processes are quite uncommon. Give an example of a combined Resistance and Capacitance situation.Describe an application, which according to your understanding of the subject matter, comprises of both Resistance and Capacitance effects.
How it the difference between force balance system and dispalacement balance system?
i have steam drum height 1000mm. and i want to placed the transmitter below the tap.how i calculate.
Can any body tell me about SAP MAINTINANCE MODULE. WHAT IS its function and application. And study material Source about it. I shall be very thankful.
Isometric drawings are generated during _________________ phase of a project
we have a s-5 simense plc having op7 .recently on op7 showing error 1.plc not present 2. DB error frequently. can u have any solution . please send me.
What is critcal speed. what is resonant frequency. why we want to cross crtcal speed on higher RPM (early).
A PLC is programmed to drive three motors A, B and C as follows : After running motor A for an hour, motor B should get ON and motor A should get OFF. And after running motor B for an hour, motor C should get ON and motor B should get OFF. And after running motor C for an hour, motor A should get ON and motor C should get OFF. (That is, a cyclic repetition with time period one hour) Now, the second condition is: If any motor gone faulty and is tripped, the consecutive motor should get ON and the faulty (tripped) motor should be eliminated from cyclic repetition. The remaining two motors should bear the cyclic repetition of one hour each. (For healthy motor take logic as high and for tripped motor take logic as low) Now, the third condition is: When motor A load(Amps) exceeds 60% of its rated load, motor B should get ON in parallel to motor A. And when both motors A & B are running in parallel, and if their load exceeds 60% of their rated load, motor C should also start in parallel to A & B. [Here the cyclic repetition is eliminated, until their loads become normal(40%)] [Take logic high(1) for load at 60% and logic low(0) for load at 40%] Now draw a flow chart or a ladder diagram to fulfill the above condition.
How to convert Differential pressure to flow in TPH
