What is the SCAN time of a DCS/PLC? What is the typical
value for scan time of DCS and PLC?
- 6 Answers
- 49864 Views
- Essar, Gasco, Siemens, I also Faced
- E-Mail Answers
Answer Posted / purushotham
scan time , name it self indicates time required to scan the process of operation.
time taken to finish operation (reading inputs,logic(process) and execution (output) of results).
| Is This Answer Correct ? | 11 Yes | 2 No |
Post New Answer View All Answers
How ejector(or)evactor air pump is working in thermal power plant?
while am calibrating Drager polytron 2IR flame gas detector occured non zero status.how can i get zero status?
Hi,can anyone help me out with PhD programs related to Instrumentation field?I have a degree in electronic Instrumentation?
Can any body help to get Rsemulator 5000 free from internet if possible then give me any link or any help .
Explain the burnout feature.
when the instrument tapping on pipe line is located below and transmitter is located above the tapping point for liquid service transmitter, what should we do, is there any additional drain valve is required??
How to calibrate Magnetic flow Transmitter in Field
in sulfur process what is material of impulse line we use to connect with transmitter ? and does teflon affected by sulfur?
I have energy meter for educational project having 0.5s class but my friend need 0.2s class meter , which one is good for that purpose and what is the actual difference of that two classes , need very easy example also.??
Can combine control system for Emergency control system (ESD)and Fire & Gas System ( F & G) is possble to built and offer to client? Can such system is as per Norms in India?
key phaser where is use and work
What is the GK Value in Flowmeter?
3. Differentiate between ultrasonic flowmeter and radar type flow meter.
I faced several time siemens ps2 positioner automatically getting Chang in it's set point direction after auto calibration So is there any causes biside this or any permissives ?
1. what is modbus cable? 2. what kind of communication we are using for the interface of DCS, ESD and Third party cabinets? 3. What is serial communication and peer to peer communication?
