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Dear All, I am using a speed probe type magnetic pick up in hazardous area (Zone 2 - group IIB ) which is connected to a ZB-11 zener barrier and the goes to MPU of a GII over speed protection. Because of blow out of zener barrier in analog inputs and not in speed probes we are going to change...

I want to send failure of both CPU in centum vp which means FCS is tripped to another ESD system. In this case what switch shows status of CPU in centum VP or any other functions like for example vnet is off or one cpu is in standby status with i want to show them in a graphic page for better...

Dear all, is it possible to send modbus data in a vm which has centum vp and ALE card through virtual network of vmware to another virtual machine which has Siemens Simatic manager and receive and send modbus data with its CPs. Here Centum vp is master and PLC Siemens is slave. Any idea would...

What is the best software in sizing Multi-step restriction orifice plates? Is it possible with Conval Ver.9 ?

what kind of sealing is suitable for 5 way manifold or sealing of transmitters for very low fluid around -110 degc ? is PTFE or FKM ot NBR suitable?

what material is suitable for Dp type pressure transmitter which is measuring flow of Ethylene ( -90 degc)? what measure should be considered to not let cell and impulse line not frozen in case of leakage around tubing and manifold? is heat tracing suitable and is not it dangerous? sharing any...

what version of Conval software could size multi step restriction orifice plates. I already have version 9 but it could not find it.

I want to install a flowmeter for liquid ethylene with temp around -96 degc, what type is the best flow meter for minimum straight run installation than can be installed in location that has around 4D ( nominal diameter of pipe) in upstream of flow meter with knowing that we already have vortex...

Dear All, For buying vortex flowmeter to measure a fluid such as ethylene, do companies that sell this kind of flowmeter like Endress Huaser have special facility to calibrate this flowmeter based on data we have sent to them? if they does not have a fluid such as this one what they do? Do they...

Dear All, Which company is better in terms of making valve Samson or Masoneilan? which company makes suitable valve for oil and gas sector? do you have any experience in this regard? I appreciate your kind answer.

Dear all, In run down tank of lube oil system of compressors there are two restriction orifices as you can see in drawing attached. Problem ( in our particular situation ) is in start up condition when filling time of run down tank when HV1303 is fully open, time duration of filling tank is 40...

Hello Dear All, I am going to purchase a redundant unit of processor PM861A for revamp project with order number or part number 3BSE018157R1, but I do not know if in this unit contains two processor unit of PM861A or just one? i have read somewhere that it contains two redundant cpu is it right?

Hello All, my question is that would it be possible to put instrument multicore DO cables in a tray with instrument multicore DI,AO and AI cables in a distance about 330 meters? any problem would be possible to happen such as due to Do signal ON and OFF excitation ( 24VDC on-off signal of...

In our plant thermocouple sensor are transferring mv to marshaling cabinet. Then a transmitter barrier change it to 4-20 and goes to control station. My question is it possible to change mv signal of sensor to 4-20 via transmitter in site near furnaces in Olefin plant to than transfer 4-20 to...