Answer / hiren

Types of cables in plc
RS232 (modem), Ethernet/IP, DeviceNet (CIP), ControlNet (CIP), Modbus(RS485), Profibus(RS485), Fieldbus .
For Dcs communication cables profibus

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3 Answers  

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What is the difference between ff transmitter and non ff transmitter

0 Answers   Samsung,

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how to calibrate a capillary type level transmitter for a closed tank in field? also what is the procedure for commissioning a capillary level transmitter for a closed tank?

2 Answers  

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For crude application in floating roof tank, how to calibrate a DP Transmitter? How is the floating roof weight considered?

0 Answers  

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in a electronic controller why we are using 250 ohm resistance in input signal?is i/p is necessary in control valve when we are using electronic controller give details?

3 Answers   IOCL,

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which type of filter gives the constant phase characteristics?

0 Answers  

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1. what is 3 point calibration & 5 point calibration? 2. If we use hart communicator to set the LRV & URV of a smart transmitter, did we calibrate the transmitter? why? 3. Make a complet list if meterials needed to properly connect a pressure gauge to a steam pipe using 1/2 inch stainless steel tubing. The gauge connections is 1/2 inch NPT-M and the steam pipe tap has a 1/2 inch female coupling, compression fittings are use. 4. What are the tools in loop checking? 5. What would the ISA symbol of a square root extractor look like? 6. What would you do to completely prepare for the configuration? 7. What safety measures must you undertake when doing configuration? 8. what are the two most commonly use programming languages used when we configure a PLC? 9. What would you do if you accidentally skipped a step in the configuration procedure? 10. How would you know if the configuration were sucessful? 11. Name at least 3 selections available when we configure the burnout protection of a controller?

3 Answers   EI Electrotechnical Institute,

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applications of 1-5v and 4-20ma?

4 Answers  

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why OPC server is used in DCS?

2 Answers  

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HOW DPT WORKS?

6 Answers   Essar,

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what is the calibration standard for pressure and differential pressure transmitters?

1 Answers   Thermax,

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how to calibrate control valves & power cylinders & ultra sonic level transmitters

0 Answers   ABB,

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