Current measurement ACS712 with Arduino Mega

[alex9876]

Hello everyone!

I'm trying to measure the current of a cartridge heater by using an ACS712 current sensor and an Arduino Mega 2560.

Maybe it is one of the following points:
1. I transferred the LIFA_BASE program without any changes to the arduino. Is that right?
2. Is the block diagram right? (see attachment[1])
3. The port that is used to connect the arduino to the computer is not suggested in the front panel. (see attachment[2]) I've already entered the name manually and tried it than.
4. The front panel of the arduino init, analog read, and output function is shown in [3] to [5]. Is it right that the objects for VISA resource and board type don't switch their settings to the settings I have made in the block diagram on the left?

Maybe you can think of other reasons why it doesn't work.

In [6] you can see the front panel after I started the program. The time is running but the current is nearly zero and does not change.

Thanks for your help!!!