We have a Yokogawa Micro-XL DCS, which is having around 300 I/O, but whenever th

We have a Yokogawa Micro-XL DCS, which is having around 300 I/O, but whenever there is any wire gets grounded in field, the 24v supply to all loops gets dipped & all the indications at DCS goes to IOP(shows input open), at present we have fixed 500mA fuses in all the lines but which does not working. Does it required to replace with lower amps fuse, then how much or is there any other solution for this.

Question Posted / vinodpatil142

2 Answers
6745 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

We have a Yokogawa Micro-XL DCS, which is having around 300 I/O, but whenever there is any wire gets..

Answer / guest

This is happening because of "Ground loop", you may use
Isolators to avoid.

Is This Answer Correct ?

1 Yes

1 No

We have a Yokogawa Micro-XL DCS, which is having around 300 I/O, but whenever there is any wire gets..

Answer / dipankar layek

AT +VE END OF TERMINAL BLOCK USE 100 MA FUSE IN DI CHANNEL AND 50 MA FUSE IN AI/AO CHANNEL.
I THINK THIS WILL SOLVE YOUR PROBLEM.

Is This Answer Correct ?

0 Yes

0 No

Post New Answer

More Instrumentation Interview Questions

What is the out put of pressure switch & electronic pressure transmitter.

5 Answers ADMA OPCO, Al-Barrak,

Where do we consider the pressure in mbar & where do we consider the pressure in bar & why is it so ?

2 Answers BOC, Jindal Steel and Power,

which type of rtd is good for any system,2wire,3wire or 4 wire

9 Answers

how many types of elements are there?

1 Answers

draw shematic diagram of c/v positioner(smart type)?

0 Answers Coromandel,

What is the processor scan time of allen bradle control logix processor 5555 lenin lenin123us@rediff.com

1 Answers

Calibration procedure for water rotameters

0 Answers HPCL,

how to use K thermocouple instead E- type without compesation cable

1 Answers

generally for transmitter we are giving supply 24vlts?but we are getting output 4-20ma ? how it is possible? is there any operation inside the tx?pls give complete information?

3 Answers

How comparison of objects is done in PHP5?

1 Answers TIS,

i want to Measure the Difference pressure of Packed distillation Column of height 3 mtr. h.p. side connected to bottom & L.P. side connected to the top , so tell me what will be THE URV & LRV of that D.P. transmitter?

5 Answers

Draw block digram for well head from well to shipping pump?

0 Answers

For more Instrumentation Interview Questions Click Here