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Member Information and Posts by akhaitwhat is the minimum requirements for junction box in zone 0?
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1st of all you haven't indicated correctly the hazardous rating of the area where the junction box...
Siemens gas turbine cable gland issue
What is the Thermowell immersion length required for best accuracy?
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The error in the temperature measurement happens in such cases due to a well know phenomena called...
As per my knowledge for ESD system is always implemented through PLC is there any particular safety reasons for that?
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Hello Dick,
You are correct. Yes, according to the manufacturer's claim in ABB 800, the same...
Do we need two type of Interposing relays in Relay panel for controlling Motor & getting feedback?
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Hello,
I couldn't agree with your comment on the DCS/PLC DO.
Please note that 24 V DC...
EEx ia and EEx [ia] and [EEx ia] and isolation barrier
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Rashid,
You need to be little bit careful with this instrument. There are various parts of the...
displacer type I/F level Measurement
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Hello,
If you want to calibrate a displacer type interface level measuring instrument at field...
Where should we use mass flow controller ?
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You haven't given sufficient details to answer your question correctly. In which industry you are...
interface measuring
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When you are measuring interface level with displacer, 1st consideration is make sure that 100% of...
from the Transmitter Calibration Instrumentataion department...
Recalibrating a Gauge Pressure Transmitter to be a vacuum pressure even if its not absolute type categorised?Can a Gauge Pressure Transmitter be recalibrated for vacuum pressure even if its not absolute type categorised?
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For the gauge pressure transmitter both the ports are open to the atmosphere. If you are connecting...
We have a Ktek Capacitance type level transmitter to measure the interface and it is part of a LIC and LCV. We have checked the calibration and it is ok. In a current normal operation crude is flowing along with the water on the water line.
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Roberto,
Most probably the problem is with the level transmitter probe. I am working on a FPSO...
PLC digital output card for Solenoid valves
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Sami,
You are correct, the most important point to check if the output power per channel has the...
Significance of Maximum Delta P shut off for valves
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Maximum shut off DP is vital to size the actuator of the valve. If the DP is less, the actuator...
How to connect a 3-wire sink transmitter to Siemens PCS-7 safety PLC?
from the Confused in simple issues department...
Basic difference between Zone-2 and Zone-1 equipmentExd/Exe equipment for Zone-2 and Zone-1
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I will try to give you some insight into the subject.
Since you are working in a power plant...
Does anyone have experience about F&G detectors which are SIL3?
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You haven't given enough information to give you proper guidance. However, pl. note the following:
...
Shutdown logic signal between two DCS systems
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In my experience I haven't come across any standards which says that shutdown through serial link...
Offshore hydrocarbon gas detectors' voting criteria
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