diff --git a/.env.development b/.env.development
index 49cb895..0b2aaf0 100644
--- a/.env.development
+++ b/.env.development
@@ -6,6 +6,6 @@ NEXT_PUBLIC_USE_MOCK_BACKEND_LOOP_START=false
 NEXT_PUBLIC_EXPORT_STATIC=false
 NEXT_PUBLIC_USE_CGI=false
 # App-Versionsnummer
-NEXT_PUBLIC_APP_VERSION=1.6.534
+NEXT_PUBLIC_APP_VERSION=1.6.535
 NEXT_PUBLIC_CPL_MODE=json   # json (Entwicklungsumgebung) oder jsSimulatedProd (CPL ->CGI-Interface-Simulator) oder production (CPL-> CGI-Interface Platzhalter)
 
diff --git a/.env.production b/.env.production
index 55405e0..93713ec 100644
--- a/.env.production
+++ b/.env.production
@@ -5,5 +5,5 @@ NEXT_PUBLIC_CPL_API_PATH=/CPL
 NEXT_PUBLIC_EXPORT_STATIC=true
 NEXT_PUBLIC_USE_CGI=true
 # App-Versionsnummer
-NEXT_PUBLIC_APP_VERSION=1.6.534
+NEXT_PUBLIC_APP_VERSION=1.6.535
 NEXT_PUBLIC_CPL_MODE=production
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7bac68a..d371e99 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## [1.6.535] – 2025-07-03
+
+- feat: in System 5 Volt DIA0, DIA1 und DIA2 in dropdown anzeigen
+
+---
 ## [1.6.534] – 2025-07-03
 
 - feat: in System 5 Volt DIA0, DIA1 und DIA2 in dropdown anzeigen
diff --git a/package-lock.json b/package-lock.json
index 552074a..016c41b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "cpl-v4",
-  "version": "1.6.534",
+  "version": "1.6.535",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "cpl-v4",
-      "version": "1.6.534",
+      "version": "1.6.535",
       "dependencies": {
         "@fontsource/roboto": "^5.1.0",
         "@iconify-icons/ri": "^1.2.10",
diff --git a/package.json b/package.json
index d856c60..e2fd578 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cpl-v4",
-  "version": "1.6.534",
+  "version": "1.6.535",
   "private": true,
   "scripts": {
     "dev": "next dev",
diff --git a/pages/api/cpl/getSystemspannung15VminusHandler.ts b/pages/api/cpl/getSystemspannung15VminusHandler.ts
new file mode 100644
index 0000000..463f1dd
--- /dev/null
+++ b/pages/api/cpl/getSystemspannung15VminusHandler.ts
@@ -0,0 +1,33 @@
+import { NextApiRequest, NextApiResponse } from "next";
+import path from "path";
+import fs from "fs/promises";
+
+export default async function handler(
+  req: NextApiRequest,
+  res: NextApiResponse
+) {
+  const { typ = "DIA0" } = req.query;
+
+  if (!["DIA0", "DIA1", "DIA2"].includes(typ as string)) {
+    return res
+      .status(400)
+      .json({ error: "Ungültiger Typ. Nur DIA0, DIA1 oder DIA2 erlaubt." });
+  }
+
+  try {
+    const filePath = path.join(
+      process.cwd(),
+      "mocks/device-cgi-simulator/chartsData/systemspannung15Vminus",
+      `${typ}.json`
+    );
+
+    const fileContent = await fs.readFile(filePath, "utf-8");
+    const json = JSON.parse(fileContent);
+    return res.status(200).json(json);
+  } catch (error) {
+    console.error("❌ Fehler beim Lesen der Datei:", error);
+    return res
+      .status(500)
+      .json({ error: "Datei konnte nicht gelesen werden." });
+  }
+}
diff --git a/pages/api/cpl/getSystemspannung15VplusHandler.ts b/pages/api/cpl/getSystemspannung15VplusHandler.ts
new file mode 100644
index 0000000..deb08ec
--- /dev/null
+++ b/pages/api/cpl/getSystemspannung15VplusHandler.ts
@@ -0,0 +1,33 @@
+import { NextApiRequest, NextApiResponse } from "next";
+import path from "path";
+import fs from "fs/promises";
+
+export default async function handler(
+  req: NextApiRequest,
+  res: NextApiResponse
+) {
+  const { typ = "DIA0" } = req.query;
+
+  if (!["DIA0", "DIA1", "DIA2"].includes(typ as string)) {
+    return res
+      .status(400)
+      .json({ error: "Ungültiger Typ. Nur DIA0, DIA1 oder DIA2 erlaubt." });
+  }
+
+  try {
+    const filePath = path.join(
+      process.cwd(),
+      "mocks/device-cgi-simulator/chartsData/systemspannung15Vplus",
+      `${typ}.json`
+    );
+
+    const fileContent = await fs.readFile(filePath, "utf-8");
+    const json = JSON.parse(fileContent);
+    return res.status(200).json(json);
+  } catch (error) {
+    console.error("❌ Fehler beim Lesen der Datei:", error);
+    return res
+      .status(500)
+      .json({ error: "Datei konnte nicht gelesen werden." });
+  }
+}
diff --git a/pages/api/cpl/getSystemspannung98VminusHandler.ts b/pages/api/cpl/getSystemspannung98VminusHandler.ts
new file mode 100644
index 0000000..b98434e
--- /dev/null
+++ b/pages/api/cpl/getSystemspannung98VminusHandler.ts
@@ -0,0 +1,33 @@
+import { NextApiRequest, NextApiResponse } from "next";
+import path from "path";
+import fs from "fs/promises";
+
+export default async function handler(
+  req: NextApiRequest,
+  res: NextApiResponse
+) {
+  const { typ = "DIA0" } = req.query;
+
+  if (!["DIA0", "DIA1", "DIA2"].includes(typ as string)) {
+    return res
+      .status(400)
+      .json({ error: "Ungültiger Typ. Nur DIA0, DIA1 oder DIA2 erlaubt." });
+  }
+
+  try {
+    const filePath = path.join(
+      process.cwd(),
+      "mocks/device-cgi-simulator/chartsData/systemspannung98Vminus",
+      `${typ}.json`
+    );
+
+    const fileContent = await fs.readFile(filePath, "utf-8");
+    const json = JSON.parse(fileContent);
+    return res.status(200).json(json);
+  } catch (error) {
+    console.error("❌ Fehler beim Lesen der Datei:", error);
+    return res
+      .status(500)
+      .json({ error: "Datei konnte nicht gelesen werden." });
+  }
+}
diff --git a/pages/api/cpl/getTemperaturAdWandlerHandler.ts b/pages/api/cpl/getTemperaturAdWandlerHandler.ts
new file mode 100644
index 0000000..e0311e8
--- /dev/null
+++ b/pages/api/cpl/getTemperaturAdWandlerHandler.ts
@@ -0,0 +1,33 @@
+import { NextApiRequest, NextApiResponse } from "next";
+import path from "path";
+import fs from "fs/promises";
+
+export default async function handler(
+  req: NextApiRequest,
+  res: NextApiResponse
+) {
+  const { typ = "DIA0" } = req.query;
+
+  if (!["DIA0", "DIA1", "DIA2"].includes(typ as string)) {
+    return res
+      .status(400)
+      .json({ error: "Ungültiger Typ. Nur DIA0, DIA1 oder DIA2 erlaubt." });
+  }
+
+  try {
+    const filePath = path.join(
+      process.cwd(),
+      "mocks/device-cgi-simulator/chartsData/temperatur-ad-wandler",
+      `${typ}.json`
+    );
+
+    const fileContent = await fs.readFile(filePath, "utf-8");
+    const json = JSON.parse(fileContent);
+    return res.status(200).json(json);
+  } catch (error) {
+    console.error("❌ Fehler beim Lesen der Datei:", error);
+    return res
+      .status(500)
+      .json({ error: "Datei konnte nicht gelesen werden." });
+  }
+}
diff --git a/pages/api/cpl/getTemperaturProzessorHandler.ts b/pages/api/cpl/getTemperaturProzessorHandler.ts
new file mode 100644
index 0000000..bbd77f4
--- /dev/null
+++ b/pages/api/cpl/getTemperaturProzessorHandler.ts
@@ -0,0 +1,33 @@
+import { NextApiRequest, NextApiResponse } from "next";
+import path from "path";
+import fs from "fs/promises";
+
+export default async function handler(
+  req: NextApiRequest,
+  res: NextApiResponse
+) {
+  const { typ = "DIA0" } = req.query;
+
+  if (!["DIA0", "DIA1", "DIA2"].includes(typ as string)) {
+    return res
+      .status(400)
+      .json({ error: "Ungültiger Typ. Nur DIA0, DIA1 oder DIA2 erlaubt." });
+  }
+
+  try {
+    const filePath = path.join(
+      process.cwd(),
+      "mocks/device-cgi-simulator/chartsData/temperatur-prozessor",
+      `${typ}.json`
+    );
+
+    const fileContent = await fs.readFile(filePath, "utf-8");
+    const json = JSON.parse(fileContent);
+    return res.status(200).json(json);
+  } catch (error) {
+    console.error("❌ Fehler beim Lesen der Datei:", error);
+    return res
+      .status(500)
+      .json({ error: "Datei konnte nicht gelesen werden." });
+  }
+}
diff --git a/redux/slices/systemspannung15VminusSlice.ts b/redux/slices/systemspannung15VminusSlice.ts
new file mode 100644
index 0000000..cf5fd98
--- /dev/null
+++ b/redux/slices/systemspannung15VminusSlice.ts
@@ -0,0 +1,50 @@
+import { createSlice, PayloadAction } from "@reduxjs/toolkit";
+import { getSystemspannung15VminusThunk } from "../thunks/getSystemspannung15VminusThunk";
+
+type StateType = {
+  DIA0: unknown[];
+  DIA1: unknown[];
+  DIA2: unknown[];
+  isLoading: boolean;
+  error: string | null;
+};
+
+const initialState: StateType = {
+  DIA0: [],
+  DIA1: [],
+  DIA2: [],
+  isLoading: false,
+  error: null,
+};
+
+export const systemspannung15VminusSlice = createSlice({
+  name: "systemspannung15Vminus",
+  initialState,
+  reducers: {},
+  extraReducers: (builder) => {
+    builder
+      .addCase(getSystemspannung15VminusThunk.pending, (state) => {
+        state.isLoading = true;
+        state.error = null;
+      })
+      .addCase(
+        getSystemspannung15VminusThunk.fulfilled,
+        (
+          state,
+          action: PayloadAction<{
+            typ: "DIA0" | "DIA1" | "DIA2";
+            data: unknown[];
+          }>
+        ) => {
+          state.isLoading = false;
+          state[action.payload.typ] = action.payload.data;
+        }
+      )
+      .addCase(getSystemspannung15VminusThunk.rejected, (state, action) => {
+        state.isLoading = false;
+        state.error = action.payload as string;
+      });
+  },
+});
+
+export default systemspannung15VminusSlice.reducer;
diff --git a/redux/slices/systemspannung15VplusSlice.ts b/redux/slices/systemspannung15VplusSlice.ts
new file mode 100644
index 0000000..18e5a2e
--- /dev/null
+++ b/redux/slices/systemspannung15VplusSlice.ts
@@ -0,0 +1,50 @@
+import { createSlice, PayloadAction } from "@reduxjs/toolkit";
+import { getSystemspannung15VplusThunk } from "../thunks/getSystemspannung15VplusThunk";
+
+type StateType = {
+  DIA0: unknown[];
+  DIA1: unknown[];
+  DIA2: unknown[];
+  isLoading: boolean;
+  error: string | null;
+};
+
+const initialState: StateType = {
+  DIA0: [],
+  DIA1: [],
+  DIA2: [],
+  isLoading: false,
+  error: null,
+};
+
+export const systemspannung15VplusSlice = createSlice({
+  name: "systemspannung15Vplus",
+  initialState,
+  reducers: {},
+  extraReducers: (builder) => {
+    builder
+      .addCase(getSystemspannung15VplusThunk.pending, (state) => {
+        state.isLoading = true;
+        state.error = null;
+      })
+      .addCase(
+        getSystemspannung15VplusThunk.fulfilled,
+        (
+          state,
+          action: PayloadAction<{
+            typ: "DIA0" | "DIA1" | "DIA2";
+            data: unknown[];
+          }>
+        ) => {
+          state.isLoading = false;
+          state[action.payload.typ] = action.payload.data;
+        }
+      )
+      .addCase(getSystemspannung15VplusThunk.rejected, (state, action) => {
+        state.isLoading = false;
+        state.error = action.payload as string;
+      });
+  },
+});
+
+export default systemspannung15VplusSlice.reducer;
diff --git a/redux/slices/systemspannung98VminusSlice.ts b/redux/slices/systemspannung98VminusSlice.ts
new file mode 100644
index 0000000..5394a2a
--- /dev/null
+++ b/redux/slices/systemspannung98VminusSlice.ts
@@ -0,0 +1,50 @@
+import { createSlice, PayloadAction } from "@reduxjs/toolkit";
+import { getSystemspannung98VminusThunk } from "../thunks/getSystemspannung98VminusThunk";
+
+type StateType = {
+  DIA0: unknown[];
+  DIA1: unknown[];
+  DIA2: unknown[];
+  isLoading: boolean;
+  error: string | null;
+};
+
+const initialState: StateType = {
+  DIA0: [],
+  DIA1: [],
+  DIA2: [],
+  isLoading: false,
+  error: null,
+};
+
+export const systemspannung98VminusSlice = createSlice({
+  name: "systemspannung98Vminus",
+  initialState,
+  reducers: {},
+  extraReducers: (builder) => {
+    builder
+      .addCase(getSystemspannung98VminusThunk.pending, (state) => {
+        state.isLoading = true;
+        state.error = null;
+      })
+      .addCase(
+        getSystemspannung98VminusThunk.fulfilled,
+        (
+          state,
+          action: PayloadAction<{
+            typ: "DIA0" | "DIA1" | "DIA2";
+            data: unknown[];
+          }>
+        ) => {
+          state.isLoading = false;
+          state[action.payload.typ] = action.payload.data;
+        }
+      )
+      .addCase(getSystemspannung98VminusThunk.rejected, (state, action) => {
+        state.isLoading = false;
+        state.error = action.payload as string;
+      });
+  },
+});
+
+export default systemspannung98VminusSlice.reducer;
diff --git a/redux/slices/temperaturAdWandlerSlice.ts b/redux/slices/temperaturAdWandlerSlice.ts
new file mode 100644
index 0000000..f645b29
--- /dev/null
+++ b/redux/slices/temperaturAdWandlerSlice.ts
@@ -0,0 +1,50 @@
+import { createSlice, PayloadAction } from "@reduxjs/toolkit";
+import { getTemperaturAdWandlerThunk } from "../thunks/getTemperaturAdWandlerThunk";
+
+type StateType = {
+  DIA0: unknown[];
+  DIA1: unknown[];
+  DIA2: unknown[];
+  isLoading: boolean;
+  error: string | null;
+};
+
+const initialState: StateType = {
+  DIA0: [],
+  DIA1: [],
+  DIA2: [],
+  isLoading: false,
+  error: null,
+};
+
+export const temperaturAdWandlerSlice = createSlice({
+  name: "temperaturAdWandler",
+  initialState,
+  reducers: {},
+  extraReducers: (builder) => {
+    builder
+      .addCase(getTemperaturAdWandlerThunk.pending, (state) => {
+        state.isLoading = true;
+        state.error = null;
+      })
+      .addCase(
+        getTemperaturAdWandlerThunk.fulfilled,
+        (
+          state,
+          action: PayloadAction<{
+            typ: "DIA0" | "DIA1" | "DIA2";
+            data: unknown[];
+          }>
+        ) => {
+          state.isLoading = false;
+          state[action.payload.typ] = action.payload.data;
+        }
+      )
+      .addCase(getTemperaturAdWandlerThunk.rejected, (state, action) => {
+        state.isLoading = false;
+        state.error = action.payload as string;
+      });
+  },
+});
+
+export default temperaturAdWandlerSlice.reducer;
diff --git a/redux/slices/temperaturProzessorSlice.ts b/redux/slices/temperaturProzessorSlice.ts
new file mode 100644
index 0000000..84b3e13
--- /dev/null
+++ b/redux/slices/temperaturProzessorSlice.ts
@@ -0,0 +1,50 @@
+import { createSlice, PayloadAction } from "@reduxjs/toolkit";
+import { getTemperaturProzessorThunk } from "../thunks/getTemperaturProzessorThunk";
+
+type StateType = {
+  DIA0: unknown[];
+  DIA1: unknown[];
+  DIA2: unknown[];
+  isLoading: boolean;
+  error: string | null;
+};
+
+const initialState: StateType = {
+  DIA0: [],
+  DIA1: [],
+  DIA2: [],
+  isLoading: false,
+  error: null,
+};
+
+export const temperaturProzessorSlice = createSlice({
+  name: "temperaturProzessor",
+  initialState,
+  reducers: {},
+  extraReducers: (builder) => {
+    builder
+      .addCase(getTemperaturProzessorThunk.pending, (state) => {
+        state.isLoading = true;
+        state.error = null;
+      })
+      .addCase(
+        getTemperaturProzessorThunk.fulfilled,
+        (
+          state,
+          action: PayloadAction<{
+            typ: "DIA0" | "DIA1" | "DIA2";
+            data: unknown[];
+          }>
+        ) => {
+          state.isLoading = false;
+          state[action.payload.typ] = action.payload.data;
+        }
+      )
+      .addCase(getTemperaturProzessorThunk.rejected, (state, action) => {
+        state.isLoading = false;
+        state.error = action.payload as string;
+      });
+  },
+});
+
+export default temperaturProzessorSlice.reducer;
diff --git a/redux/store.ts b/redux/store.ts
index ddc4969..396a95b 100644
--- a/redux/store.ts
+++ b/redux/store.ts
@@ -30,6 +30,11 @@ import firmwareUpdateReducer from "@/redux/slices/firmwareUpdateSlice";
 import confirmModalReducer from "./slices/confirmModalSlice";
 import firmwareProgressReducer from "./slices/firmwareProgressSlice";
 import systemspannung5VplusReducer from "./slices/systemspannung5VplusSlice";
+import systemspannung15VminusReducer from "./slices/systemspannung15VminusSlice";
+import systemspannung15VplusReducer from "./slices/systemspannung15VplusSlice";
+import systemspannung98VminusReducer from "./slices/systemspannung98VminusSlice";
+import temperaturAdWandlerReducer from "./slices/temperaturAdWandlerSlice";
+import temperaturProzessorReducer from "./slices/temperaturProzessorSlice";
 
 const store = configureStore({
   reducer: {
@@ -62,6 +67,11 @@ const store = configureStore({
     confirmModal: confirmModalReducer,
     firmwareProgress: firmwareProgressReducer,
     systemspannung5Vplus: systemspannung5VplusReducer,
+    systemspannung15Vminus: systemspannung15VminusReducer,
+    systemspannung15Vplus: systemspannung15VplusReducer,
+    systemspannung98Vminus: systemspannung98VminusReducer,
+    temperaturAdWandler: temperaturAdWandlerReducer,
+    temperaturProzessor: temperaturProzessorReducer,
   },
 });
 
diff --git a/redux/thunks/getSystemspannung15VminusThunk.ts b/redux/thunks/getSystemspannung15VminusThunk.ts
new file mode 100644
index 0000000..146f9aa
--- /dev/null
+++ b/redux/thunks/getSystemspannung15VminusThunk.ts
@@ -0,0 +1,15 @@
+import { createAsyncThunk } from "@reduxjs/toolkit";
+import { fetchSystemspannung15VminusService } from "@/services/fetchSystemspannung15VminusService";
+
+export const getSystemspannung15VminusThunk = createAsyncThunk(
+  "systemspannung15Vminus/fetch",
+  async (typ: "DIA0" | "DIA1" | "DIA2", thunkAPI) => {
+    try {
+      const data = await fetchSystemspannung15VminusService(typ);
+      return { typ, data };
+    } catch (error) {
+      console.error("Fehler in getSystemspannung15VminusThunk:", error);
+      return thunkAPI.rejectWithValue("Fehler beim Laden der -15V-Daten");
+    }
+  }
+);
diff --git a/redux/thunks/getSystemspannung15VplusThunk.ts b/redux/thunks/getSystemspannung15VplusThunk.ts
new file mode 100644
index 0000000..9f7bfe2
--- /dev/null
+++ b/redux/thunks/getSystemspannung15VplusThunk.ts
@@ -0,0 +1,15 @@
+import { createAsyncThunk } from "@reduxjs/toolkit";
+import { fetchSystemspannung15VplusService } from "@/services/fetchSystemspannung15VplusService";
+
+export const getSystemspannung15VplusThunk = createAsyncThunk(
+  "systemspannung15Vplus/fetch",
+  async (typ: "DIA0" | "DIA1" | "DIA2", thunkAPI) => {
+    try {
+      const data = await fetchSystemspannung15VplusService(typ);
+      return { typ, data };
+    } catch (error) {
+      console.error("Fehler in getSystemspannung15VplusThunk:", error);
+      return thunkAPI.rejectWithValue("Fehler beim Laden der +15V-Daten");
+    }
+  }
+);
diff --git a/redux/thunks/getSystemspannung98VminusThunk.ts b/redux/thunks/getSystemspannung98VminusThunk.ts
new file mode 100644
index 0000000..e4522d2
--- /dev/null
+++ b/redux/thunks/getSystemspannung98VminusThunk.ts
@@ -0,0 +1,15 @@
+import { createAsyncThunk } from "@reduxjs/toolkit";
+import { fetchSystemspannung98VminusService } from "@/services/fetchSystemspannung98VminusService";
+
+export const getSystemspannung98VminusThunk = createAsyncThunk(
+  "systemspannung98Vminus/fetch",
+  async (typ: "DIA0" | "DIA1" | "DIA2", thunkAPI) => {
+    try {
+      const data = await fetchSystemspannung98VminusService(typ);
+      return { typ, data };
+    } catch (error) {
+      console.error("Fehler in getSystemspannung98VminusThunk:", error);
+      return thunkAPI.rejectWithValue("Fehler beim Laden der -98V-Daten");
+    }
+  }
+);
diff --git a/redux/thunks/getTemperaturAdWandlerThunk.ts b/redux/thunks/getTemperaturAdWandlerThunk.ts
new file mode 100644
index 0000000..1fb8507
--- /dev/null
+++ b/redux/thunks/getTemperaturAdWandlerThunk.ts
@@ -0,0 +1,15 @@
+import { createAsyncThunk } from "@reduxjs/toolkit";
+import { fetchTemperaturAdWandlerService } from "@/services/fetchTemperaturAdWandlerService";
+
+export const getTemperaturAdWandlerThunk = createAsyncThunk(
+  "temperaturAdWandler/fetch",
+  async (typ: "DIA0" | "DIA1" | "DIA2", thunkAPI) => {
+    try {
+      const data = await fetchTemperaturAdWandlerService(typ);
+      return { typ, data };
+    } catch (error) {
+      console.error("Fehler in getTemperaturAdWandlerThunk:", error);
+      return thunkAPI.rejectWithValue("Fehler beim Laden der Temperaturdaten");
+    }
+  }
+);
diff --git a/redux/thunks/getTemperaturProzessorThunk.ts b/redux/thunks/getTemperaturProzessorThunk.ts
new file mode 100644
index 0000000..d30c037
--- /dev/null
+++ b/redux/thunks/getTemperaturProzessorThunk.ts
@@ -0,0 +1,17 @@
+import { createAsyncThunk } from "@reduxjs/toolkit";
+import { fetchTemperaturProzessorService } from "@/services/fetchTemperaturProzessorService";
+
+export const getTemperaturProzessorThunk = createAsyncThunk(
+  "temperaturProzessor/fetch",
+  async (typ: "DIA0" | "DIA1" | "DIA2", thunkAPI) => {
+    try {
+      const data = await fetchTemperaturProzessorService(typ);
+      return { typ, data };
+    } catch (error) {
+      console.error("Fehler in getTemperaturProzessorThunk:", error);
+      return thunkAPI.rejectWithValue(
+        "Fehler beim Laden der Prozessor-Temperaturdaten"
+      );
+    }
+  }
+);
diff --git a/services/fetchSystemspannung15VminusService.ts b/services/fetchSystemspannung15VminusService.ts
new file mode 100644
index 0000000..92efc5d
--- /dev/null
+++ b/services/fetchSystemspannung15VminusService.ts
@@ -0,0 +1,14 @@
+export const fetchSystemspannung15VminusService = async (
+  typ: "DIA0" | "DIA1" | "DIA2"
+) => {
+  try {
+    const res = await fetch(
+      `/api/cpl/getSystemspannung15VminusHandler?typ=${typ}`
+    );
+    if (!res.ok) throw new Error("Fehler beim Abrufen");
+    return await res.json();
+  } catch (err) {
+    console.error("❌ Fehler in fetchSystemspannung15VminusService:", err);
+    return null;
+  }
+};
diff --git a/services/fetchSystemspannung15VplusService.ts b/services/fetchSystemspannung15VplusService.ts
new file mode 100644
index 0000000..3b50e7f
--- /dev/null
+++ b/services/fetchSystemspannung15VplusService.ts
@@ -0,0 +1,14 @@
+export const fetchSystemspannung15VplusService = async (
+  typ: "DIA0" | "DIA1" | "DIA2"
+) => {
+  try {
+    const res = await fetch(
+      `/api/cpl/getSystemspannung15VplusHandler?typ=${typ}`
+    );
+    if (!res.ok) throw new Error("Fehler beim Abrufen");
+    return await res.json();
+  } catch (err) {
+    console.error("❌ Fehler in fetchSystemspannung15VplusService:", err);
+    return null;
+  }
+};
diff --git a/services/fetchSystemspannung98VminusService.ts b/services/fetchSystemspannung98VminusService.ts
new file mode 100644
index 0000000..c692957
--- /dev/null
+++ b/services/fetchSystemspannung98VminusService.ts
@@ -0,0 +1,14 @@
+export const fetchSystemspannung98VminusService = async (
+  typ: "DIA0" | "DIA1" | "DIA2"
+) => {
+  try {
+    const res = await fetch(
+      `/api/cpl/getSystemspannung98VminusHandler?typ=${typ}`
+    );
+    if (!res.ok) throw new Error("Fehler beim Abrufen");
+    return await res.json();
+  } catch (err) {
+    console.error("❌ Fehler in fetchSystemspannung98VminusService:", err);
+    return null;
+  }
+};
diff --git a/services/fetchTemperaturAdWandlerService.ts b/services/fetchTemperaturAdWandlerService.ts
new file mode 100644
index 0000000..82532d5
--- /dev/null
+++ b/services/fetchTemperaturAdWandlerService.ts
@@ -0,0 +1,14 @@
+export const fetchTemperaturAdWandlerService = async (
+  typ: "DIA0" | "DIA1" | "DIA2"
+) => {
+  try {
+    const res = await fetch(
+      `/api/cpl/getTemperaturAdWandlerHandler?typ=${typ}`
+    );
+    if (!res.ok) throw new Error("Fehler beim Abrufen");
+    return await res.json();
+  } catch (err) {
+    console.error("❌ Fehler in fetchTemperaturAdWandlerService:", err);
+    return null;
+  }
+};
diff --git a/services/fetchTemperaturProzessorService.ts b/services/fetchTemperaturProzessorService.ts
new file mode 100644
index 0000000..15bc6e3
--- /dev/null
+++ b/services/fetchTemperaturProzessorService.ts
@@ -0,0 +1,14 @@
+export const fetchTemperaturProzessorService = async (
+  typ: "DIA0" | "DIA1" | "DIA2"
+) => {
+  try {
+    const res = await fetch(
+      `/api/cpl/getTemperaturProzessorHandler?typ=${typ}`
+    );
+    if (!res.ok) throw new Error("Fehler beim Abrufen");
+    return await res.json();
+  } catch (err) {
+    console.error("❌ Fehler in fetchTemperaturProzessorService:", err);
+    return null;
+  }
+};