Answer / bm

Modbus is a communication protocol.
Soft signals are taken through a link which maybe
RS232/RS485/Ethernet/Fibre Optic.

Answer / pradeebhap

mobdus is a simple, flexible and publicly available transmission protocol that allows exchange of analog and digital data between devices.

wHAT IS BURST MODE IN TRANSMITTER?

1 Answers   Bhel,

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In my company plc based winders are operated. one day there was a data transmission failure alarm shown on pc. as per sir instruction we have reset master plc but winders were not triped and alarm gone. so what master plc do?

0 Answers  

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why most of the DP transmitters using maximum range as 0-2500mmwc?why not 1000 2000 3000 4000mmwc

2 Answers   SPIC, TNPL,

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If the Barrier Fails during online then What will be the control valve position in field or Positioner action in the field.

3 Answers  

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What is instrumentation control?

0 Answers  

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Emergency Shutdown Systems/ Plant Shutdown System.

0 Answers   CCIE,

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tell me about Woodward505 Function as a point of Instrument Engineer.

4 Answers  

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Explain the key components of control loop?

0 Answers  

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1)How many tpes of vibration probe and how many tpyes of vibration. 2)how we can calibrate a vibration probe with tk3 3)what is RMS value in vibration measuring application and how we calculate it.

0 Answers  

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what is bms?

4 Answers   Emco,

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capillary type tranmitter using remote seals and capillary tubes filled with liquid of known of known density so if you wanna callibrate it just close block valve just before capilary @ high side & connect druck apply it's calibrated range pressure as normal calibration ensure low side block valve must be closed & if you asking commissioning so this is not a DP type pressure tx so simple if you wanna put in servie this tx just open high side block valve & than low side block same way i do it but still transmitter showing -13 ma.just tell me what i want to do ?

1 Answers   Gasco,

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how to calibrate pressure gauge(we can not able to fixed by pointer screw adjustment and pointer re fixing method)

2 Answers   Nestle, Reliance,

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