what is plc communication?
Answers were Sorted based on User's Feedback
Answer / piyush sakalle
The PLC communication also called as BUS system is responsible for transmission of signals from processor/cpu/memory to input/output modules.
ADDRESS BUS, DATA BUS, CONTROL BUS are the main signal lines of plc communication.
| Is This Answer Correct ? | 4 Yes | 0 No |
Answer / paresh
PLC STANDS FOR PROGRAMMABLE LOGIC CONTROL.SO ITS PROGRAMMABLE
LOGIC CONTROL COMMUNICATION
| Is This Answer Correct ? | 2 Yes | 1 No |
1.what is the effect of vapour presuure in orifice plate flow measurement 2.which is more effective 2 pressure sensors or one single differential pressure sensor in orifice plate measurement 3.how to design a v/i converter and i/v converter 4.how many type of thermocouple are there 5.how many leads are there in thermocouple measurement 6.how pressure sensors are connected in level measurement in differential pressure method 7.what is the output of capacitive pressure sensor (ac or dc),how its o/p is signal charactarized 8.what is the physical meaning of discharge coeeficient,why it is calculated,orifice plate what is its value,why it is less than 1,Q at upstream is equal to or not equal to Q at downstream of orifice plate why?what is vena contracta in orifice plate 9.why rotameter is called variable area flowmeter,it can measure flow even if area is not varying,why it is made tapered 10.design a 10 bit counter ,which counter you will prefer 11.how to remove self heating error in RTD 12.which is more sensitive pt100 or pt50 13.why thermocouple are connected in parallel 14.what is lead contact error in RTD,how to avoid 15.what is P,PI,PID,PD controller,why there is no ID controller 16.what is override,split range,sequential,ratio,feedforward,cascade controller 17.why we moved from SR to JK and then JK to master slave JK flipflop,give correct reason 18.how to measure level of a closed container which contains vapour and liquid,remember no vapour gas should be leaked,so ultrasonic and capacitive is not an option,design another method 19.how to design horse race counter including sensors and signal conditioning element 20.what is bevelling
what is the input to be given digital temp controller during the the calibration time?
How does milli volt is created in themocouple?
in sulfur process what is material of impulse line we use to connect with transmitter ? and does teflon affected by sulfur?
How to do gas analysers calibration in AUTO and Manually by using zero and span gas?
how to check diode wheather it is working or not by using multimeter?
what is the function of a diaphragm?
Why Boiler Drum level transmitter (TX) or level transmitter rang always put -600 to 0 other -900 to 0. Mines range why useā¦.?
what step is taken for ESD ( emergency shut down) in DCS REPLY to hashimka20009@gmail.com
0 Answers Bosch, Eskom, Sabic,
wHAT IS BURST MODE IN TRANSMITTER?
what is hall effect?where it is use in power plant?
where we are used split range control
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)