Seltsames Verhalten von Berechnungen NaN

Hamudulu

Hallo
ich hab eine Steuerung von einer Lüftung und habe das Problem das ioBroker meine Berechnungen mit NaN ausgibt. Allerdings nicht immer...deswegen frag ich mal in die Runde ob mir jemand sagen kann was das Problem ist.
Bildschirmfoto 2020-05-26 um 08.26.10.png

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                            <field name="VAR" id="]C@k|5-zrgj#k*APA|bN" variabletype="">tp innen</field>
                          </block>
                        </value>
                        <value name="B">
                          <shadow type="math_number" id="JCp7JQHVZANJzb!s$(.x">
                            <field name="NUM">1</field>
                          </shadow>
                          <block type="variables_get" id="$7{K32uWQQ`y%xh[=fDA">
                            <field name="VAR" id="5POTvY=-juHOA|7KiQr)" variabletype="">tp aussen</field>
                          </block>
                        </value>
                      </block>
                    </value>
                  </block>
                </value>
              </block>
            </value>
          </block>
        </statement>
        <next>
          <block type="procedures_callnoreturn" id="BhH+$GS6+uAw0g,tD`.V">
            <mutation name="fenster"></mutation>
          </block>
        </next>
      </block>
    </statement>
  </block>
</xml>

Gaspode

Dass "NaN" "Not a Number" bedeutet, hast du ja sicher bereits ergoogelt.
Häufig liegt das daran, dass ein Wert z.B. per String übermittelt wird und das falsche Format hat (also z.B. "0,5" statt "0.5").
Es ist schwierig mehr dazu zu sagen, solange du deine Frage/Beschreibung nicht etwas konkretisierst. Ich hab mir jetzt aber nicht die Mühe gemacht, das gesammte Script genau durchzusehen...

paul53

@Hamudulu sagte:

Berechnungen mit NaN ausgibt.

Berechnungen erfolgen mit tp_innen und tp_aussen. Wandle beim Einlesen der Datenpunkte "nach Zahl", z.B.
setze tp_innen auf nach Zahl Wert

Hamudulu

Danke für die Tips. Ich hab es inzwischen umgebaut und die Berechnungen outgesourct...;-)
Jetzt klappt es wie es soll.

Gefragt hatte ich deswegen weil es manchmal gerechnet hat, also mit Ergebnis im Log und Minuten später wieder NaN drin stand...

Gaspode

@Hamudulu said in Seltsames Verhalten von Berechnungen NaN:

Gefragt hatte ich deswegen weil es manchmal gerechnet hat, also mit Ergebnis im Log und Minuten später wieder NaN drin stand

Deshalb hatte ich ja die Komma Thematik vermutet. Solange ganze Zahlen kommen, kann automatisch konvertiert werden, kommt dann mal eine 5,1 gibts ein NaN als Ergebnis.

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