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.

how to use one 4-20mA signal for two indicater or controller & give necessary precaution.

2 Answers  

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How can measure flow in oil line?which type of transmitter is generally used?

1 Answers  

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What are three main programming in PLC

5 Answers  

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Can a pneumatic control valve work without positioner?

4 Answers   SMC,

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why we are using boosters at glass furnace is there any other thing?

1 Answers   CGL,

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Why grounding is necessary? Give example with diagram.

0 Answers   Bright Point, DS Group,

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what does a positioner in control valve ?

11 Answers  

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diff c and c++

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what is the criteria to decide conductor size of a cable ?

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Why Boiler Drum level transmitter (TX) or level transmitter rang always put -600 to 0 other -900 to 0. Mines range why use….?

4 Answers   Uttam Sugar,

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how to caluculate flow by using transmitter?tell me plz I am eagerly waiting for your reply..

2 Answers   Agi Glaspac, Reliance Power,

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Difference between ultra sonic flow meter

0 Answers  

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