Answer / abhishek sharma

Fail Safe conditon means when ever if input main supply
fail to plc processor then on regaining power it takes all
its origainal data form its previous conditions

Answer / harkishan

it is that condition in system at which the system shuts off
due to some error or complication in the suplly to make the
system stable from errorneous supply.

Answer / sai kiran.c

boss....... fail safe condition is that ..making the device
to hav a safe condition from the failures.
so it prevents the failures or damage if any event is runned
faulty or causes damage to productivity in activity

Answer / prakash patel

Failsafe means plc or marshalling power supply card in redundant system,means 2oo1. if 1 card fail than other charge card in use. It is failsafe condition if total plant shut down , memory w'nt loss in pc.

tell me the field & lab calibration procedure step by step with diagram of pressure gauge, pressure switch, pressure transmitter, temperature switch, level switch, flow switch, flow transmitter, temperature transmitter, temperature indicator, flow indicator, level indicator, control valve, thermocouple, pressure indicator (digital & analogue),

0 Answers  

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How to calculate mmwc values into tonnes?

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if change the pid in D value so what action.

2 Answers   Siemens,

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I am manjunath having exp in maintenance of chemical plants,know i want to do a design course INTOOLS,after doing design course can we get jobs in design field.sinve i dont have design exp..

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How to convertion 100 m3/hr to mmH2O or to Kg/cm2?

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please explain smoke detectore & lel detector?what is o/p

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Calibration of controller (pneumatic)

0 Answers   CCIE,

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How to calibrate level switch?

2 Answers   Power Plant, Sabic,

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What is the PLC configuration in Cement industry?

0 Answers   IMCO, Maha Cement,

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What safety precautions you will adopt to work on Steam service control valve?

1 Answers   QAFCO,

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plz... clarify my answer, how to calibrate vaccum (DP)leveltransmitter,it is hart. (digital).DETAILS:(coloumn)closedtank height 2650mm,and tx range is 0-1500mmH20.

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What are the characteristics of Control Valve

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