PID Function

[admin@vbktech.com]

Hi I am new to this module and having read user manual and configuration manual I am still struggling to set up a PID function

can some one give me quick example of PID

I need to setup Flowrate control

analogue input from Flow meter ----> Ain0 MIO unit
Setpoint from CAN ----> 0x70 8bit value
Output -------> 0-10v MIO Aout0

also is it possible to change P,I values via CAN messages ?

Thanks in advance.

[M.Heidemann]

Hello,

A PIDT element is available as a so-called function block in PPCAN-Editor 2,
see page 22 of the function block reference:

https://www.peak-system.com/produktcd/P ... es_eng.pdf

The PPCAN-Editor Help provides further information on the usage of function blocks:

FunctionBlocks.png (39.43 KiB) Viewed 43364 times

Please report back to us, if this helped you to resolve your issue.

Best Regards

Marvin

[admin@vbktech.com]

Hi Marvin

Thank you this makes sense now ...

I was looking at the MIO manuals instead of Editor manual...

I am still struggling to see how to attach CAN message to parameter kP,kI,Upper limit and lower limit

is this possible ?

or every time I want to tune the PID controller I have to reprogram the MIO unit?

Kind regards
Vivek.

[M.Heidemann]

Hello Vivek,

As mentioned in the PPCAN-Editor manual, these paraemters are fixed:

FunctionBlocksHelp.png (16.2 KiB) Viewed 43358 times

If you want to change these, you'll have to adjust them in your configuration and resend
it to your device. They cannot be changed at runtime.

Best Regards

Marvin