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
6721 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 importance of CV in the control valves? how it is calculated?

0 Answers

defffrence between instruments and instrumentation

8 Answers

give classification of transducer based on type of application

2 Answers

Draw bode plot of any transfer function. Why is plotting bode necessary?

0 Answers L&T, STS,

which instrument is most commonly used to observe the external features of a grasshopper's abdomen?

1 Answers

How to calibrate Magnetic flow Transmitter in Field

0 Answers

Can anybody tell me how to select the size of earthing cable for DCS & PLC system.Please tell me any relevant answer here or mail it to me.

0 Answers Essar, Sail,

What is intrinsically safe system?

0 Answers

how radio frequency level probes works with its controller ? what is its principle ? pls give me brief explanation?

0 Answers

what is piezo electric transducer?its principle?

2 Answers

if conical type tank in top LEFT side solid material coming but LT MOUNTED IN TOP OF LEFT SIDE, how to measure ultrasonic level transmitter ?

1 Answers Cairn,

can a control valve works without positioner?why need tunning of c/v?

4 Answers

For more Instrumentation Interview Questions Click Here