Answer / parth desai

if PLC power failure then whole process will stop.As one
power module for Whole I/O Card.and CPU also working on 24v
DC so as power failure your PLC will in STOP Mode.

Answer / raja

yes but redundancy is provided for PLC . the PLC nearest to
the failure region will take control over the failed one .
in some cases central room is also used to take control

modbus and profibus communication difference?

1 Answers  

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Hi buddies! i am facing a problem and if someone could help me it will be an immense pleasure to me. we have compect logix PLC 1769 2L AO module to Heat @ 52 to 56 Deg C .So if anyone can do please help me out with this problem.I'll be highly grateful.

1 Answers   Cadila,

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The DCS has the following signal type:

3 Answers  

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Why trim span ? How?

0 Answers  

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What is the difference between Error and Offset.

1 Answers  

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In the field and in the control room different power supplies if used How to handle the ground

1 Answers   ITC Infotech,

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Why we use DPT? can we use PT instead of DPT?

2 Answers  

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How is SmartPlant Instrumentation related to INtools?

4 Answers   TCS,

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How to calibrate level switch?

2 Answers   Power Plant, Sabic,

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how to measure low temperature(<100 dec celsisus) with non condact sensor

2 Answers  

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purpose of absolute ppressure transmitter applcation?

1 Answers  

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

0 Answers   Coromandel,

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