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Depending on the usage, they may have beat the ENTER key to death and that particular key has failed.
If you can go on site, go into Info Mode and check whether SB 53 comes on when you press the ENTER key.
You can not re-assign it. They should probably replace the unit.
Yep these are small process pumps (https://www.smcpneumatics.com/smcdigitalcat3/docs/processpump/processpump/PB.pdf) which are being used to deliver various liquid feed an treatment into tanks.
I believe the internal works use a solenoid to "flip" a valve which allows air to actuate a diaphagm which delivers the fluid. So in fact air is doing the heavy lifting and the solenoid just triggers the actions so doesnt carry any significant load.
They are quite cool litte pumps with tiny footprint and capacity of up to a litre a minute being dispensed.
Normally the decimal portion is the result of a divide function. You probably do all of your math with MI whole numbers and then divide to get the decimal portion.
when you divide an MI the portion after the decimal point gets stored into SL4.
You can then use a simple compare to determine if this value is big enough to be rounded up or not.
You must use SL4 directly after each math function as it will be updated with each divide function.
Hope this helps.
This is my second project, and I have a question. I'm using V430-J-34 (provided by user...)
Whats the best way to round up or round down decimal numbers to whole numbers?
Currently I'm using simple linealization to convert result of some math to some normal number.
Problem is there is whole excel table of math to do, that I am currently working on to be in plc
C6 is input user makes (before in excel table, now it will be on display); G6 is just some result from previous math
So for every "IF" I write conditions, then math formula. Then linearization.
Then I can use that for information to compare whit encoder input to stop the motor and do some action (drill, cut, pierce...)
And I still have not connected and configured encoder, but that will be question for another post if I don't figure it out..
Sorry for any mistakes, English is not my main.