Interested to Buy Any Domain ? << Click Here >> for more details...
Hi friends, from Aug 4th onwards iam getting spikes for
analog inputs in our DCS for a period of 800ms. I throughly
checked every thing, finally i found that the DI, DO's from
MCC panels shields are terminated in the Signal Earth where
Analog Input signals shields are terminated. Is there any
problem with this type of termination?. i checked the
induction voltage from MCC and getting around 25VAC, please
suggest me in this concern. Our plant is 8months old only.
DCS is Siemens Make Simatic PCS7, and the transmitters are
Yokogawa make.
- 1 Answers
- 4575 Views
- I also Faced
- E-Mail Answers
Answer Posted / sankarithi
Hi Friends only problem is due to earth pit. I throughly
checked every thing, finally i found that the Earth pit
totally became dry. I serviced the pit,Now there is no
spikes.
| Is This Answer Correct ? | 4 Yes | 1 No |
Post New Answer View All Answers
Draw block digram for well head from well to shipping pump?
what are the selections available in configuring a burnout protection of a controller? thanks
control panel design guidelines
centrifugal compressor interlock? Tell me the parameter at which compressor will trip
Why not come out analog output in ABB EL3020 when display show correct value
Can u tell me the principle of the tc,rtd,level switch,pressure switch ,transmitter(pr flow level temp.),vibration...plz
What is the exact differences between HART,FOUNDATION FIELDBUS,PROFIBUS?
What is the use of single seated valve?
how many types of preheaters are in cement industry & what r they can any body explain?
Which types of quections asked in interview for FORMULATION PLANT (PHARMA)
How to fix back the valve actuator stem
what is the procedure of belt scale calibration?
How can a d.p. Transmitter be calibrated?
How will you calibrate an Absolute Pr.Transmitter of range 400mmHg absolute ?
what is the criteria to decide conductor size of a cable ?
