diff --git a/node-red-flows/meters.json b/node-red-flows/meters.json
index 99f31ca..2033d13 100644
--- a/node-red-flows/meters.json
+++ b/node-red-flows/meters.json
@@ -28,8 +28,8 @@
         "topic": "",
         "payload": "",
         "payloadType": "date",
-        "x": 120,
-        "y": 300,
+        "x": 200,
+        "y": 400,
         "wires": [
             [
                 "5c5702e7ebd71a77",
@@ -59,8 +59,8 @@
         "method": "get",
         "upload": false,
         "swaggerDoc": "",
-        "x": 100,
-        "y": 760,
+        "x": 120,
+        "y": 880,
         "wires": [
             [
                 "c61fcb67b3a33b47"
@@ -71,7 +71,7 @@
         "id": "fbe8cca3419d8161",
         "type": "change",
         "z": "f96eea4d4a3a345d",
-        "name": "Set Headers",
+        "name": "set http header",
         "rules": [
             {
                 "t": "set",
@@ -93,8 +93,8 @@
         "from": "",
         "to": "",
         "reg": false,
-        "x": 840,
-        "y": 760,
+        "x": 1150,
+        "y": 880,
         "wires": [
             [
                 "83f39f5649b78b86"
@@ -105,26 +105,26 @@
         "id": "83f39f5649b78b86",
         "type": "http response",
         "z": "f96eea4d4a3a345d",
-        "name": "",
+        "name": "serve as http api",
         "statusCode": "",
         "headers": {},
-        "x": 1080,
-        "y": 760,
+        "x": 1420,
+        "y": 880,
         "wires": []
     },
     {
         "id": "c61fcb67b3a33b47",
         "type": "function",
         "z": "f96eea4d4a3a345d",
-        "name": "Build Object",
-        "func": "var einspeisung_total_power = parseFloat(global.get(\"einspeisung_total_power\"))\n\nvar einspeisung_l1_voltage = parseFloat(global.get(\"einspeisung_l1_voltage\"))\nvar einspeisung_l2_voltage = parseFloat(global.get(\"einspeisung_l2_voltage\"))\nvar einspeisung_l3_voltage = parseFloat(global.get(\"einspeisung_l3_voltage\"))\n\nvar einspeisung_l1_current = parseFloat(global.get(\"einspeisung_l1_current\"))\nvar einspeisung_l2_current = parseFloat(global.get(\"einspeisung_l2_current\"))\nvar einspeisung_l3_current = parseFloat(global.get(\"einspeisung_l3_current\"))\nvar einspeisung_total_current = einspeisung_l1_current + einspeisung_l2_current + einspeisung_l3_current\n\nvar einspeisung_l1_power = parseFloat(global.get(\"einspeisung_l1_power\"))\nvar einspeisung_l2_power = parseFloat(global.get(\"einspeisung_l2_power\"))\nvar einspeisung_l3_power = parseFloat(global.get(\"einspeisung_l3_power\"))\n\nvar einspeisung_l1_import = parseFloat(global.get(\"einspeisung_l1_import\") - global.get(\"einspeisung_l1_export\"));\nvar einspeisung_l2_import = parseFloat(global.get(\"einspeisung_l2_import\") - global.get(\"einspeisung_l2_export\"));\nvar einspeisung_l3_import = parseFloat(global.get(\"einspeisung_l3_import\") - global.get(\"einspeisung_l3_export\"));\n\nvar einspeisung_total_kWh = einspeisung_l1_import + einspeisung_l2_import + einspeisung_l3_import;\n\nmsg.payload.einspeisung = {total_kwh: einspeisung_total_kWh, total_power:einspeisung_total_power, total_current:einspeisung_total_current, l1_voltage:einspeisung_l1_voltage, l2_voltage:einspeisung_l2_voltage, l3_voltage:einspeisung_l3_voltage, l1_current:einspeisung_l1_current, l2_current:einspeisung_l2_current, l3_current:einspeisung_l3_current, l1_power:einspeisung_l1_power, l2_power:einspeisung_l2_power, l3_power:einspeisung_l3_power, l1_import:einspeisung_l1_import, l2_import:einspeisung_l2_import, l3_import:einspeisung_l3_import};\n\nreturn msg;\n",
+        "name": "Create java objects",
+        "func": "var einspeisung_total_power = parseFloat(global.get(\"einspeisung_total_power\"))\n\nvar einspeisung_l1_voltage = parseFloat(global.get(\"einspeisung_l1_voltage\"))\nvar einspeisung_l2_voltage = parseFloat(global.get(\"einspeisung_l2_voltage\"))\nvar einspeisung_l3_voltage = parseFloat(global.get(\"einspeisung_l3_voltage\"))\n\nvar einspeisung_l1_current = parseFloat(global.get(\"einspeisung_l1_current\"))\nvar einspeisung_l2_current = parseFloat(global.get(\"einspeisung_l2_current\"))\nvar einspeisung_l3_current = parseFloat(global.get(\"einspeisung_l3_current\"))\n\nvar einspeisung_l1_power = parseFloat(global.get(\"einspeisung_l1_power\"))\nvar einspeisung_l2_power = parseFloat(global.get(\"einspeisung_l2_power\"))\nvar einspeisung_l3_power = parseFloat(global.get(\"einspeisung_l3_power\"))\n\nvar einspeisung_l1_import = parseFloat(global.get(\"einspeisung_l1_import\"))\nvar einspeisung_l2_import = parseFloat(global.get(\"einspeisung_l2_import\"))\nvar einspeisung_l3_import = parseFloat(global.get(\"einspeisung_l3_import\"))\n\nvar einspeisung_l1_export = parseFloat(global.get(\"einspeisung_l1_export\"))\nvar einspeisung_l2_export = parseFloat(global.get(\"einspeisung_l2_export\"))\nvar einspeisung_l3_export = parseFloat(global.get(\"einspeisung_l3_export\"))\n\n//Totals\nvar einspeisung_total_current = einspeisung_l1_current + einspeisung_l2_current + einspeisung_l3_current\nvar einspeisung_total_import = parseFloat(global.get(\"einspeisung_total_import\"))\nvar einspeisung_total_export = parseFloat(global.get(\"einspeisung_total_export\"))\n\nmsg.payload.einspeisung = {total_power:einspeisung_total_power, total_current:einspeisung_total_current, total_import:einspeisung_total_import, total_export:einspeisung_total_export, l1_voltage:einspeisung_l1_voltage, l2_voltage:einspeisung_l2_voltage, l3_voltage:einspeisung_l3_voltage, l1_current:einspeisung_l1_current, l2_current:einspeisung_l2_current, l3_current:einspeisung_l3_current, l1_power:einspeisung_l1_power, l2_power:einspeisung_l2_power, l3_power:einspeisung_l3_power, l1_import:einspeisung_l1_import, l2_import:einspeisung_l2_import, l3_import:einspeisung_l3_import, l1_export:einspeisung_l1_export, l2_export:einspeisung_l2_export, l3_export:einspeisung_l3_export};\n\nreturn msg;",
         "outputs": 1,
         "noerr": 0,
         "initialize": "",
         "finalize": "",
         "libs": [],
-        "x": 460,
-        "y": 760,
+        "x": 510,
+        "y": 880,
         "wires": [
             [
                 "307db2619dcf6228"
@@ -135,12 +135,12 @@
         "id": "307db2619dcf6228",
         "type": "json",
         "z": "f96eea4d4a3a345d",
-        "name": "",
+        "name": "build json object",
         "property": "payload",
         "action": "",
         "pretty": false,
-        "x": 660,
-        "y": 760,
+        "x": 910,
+        "y": 880,
         "wires": [
             [
                 "fbe8cca3419d8161"
@@ -161,8 +161,8 @@
         "proxy": "",
         "authType": "",
         "senderr": false,
-        "x": 320,
-        "y": 100,
+        "x": 560,
+        "y": 140,
         "wires": [
             [
                 "f5853a536891d509"
@@ -180,8 +180,8 @@
         "initialize": "",
         "finalize": "",
         "libs": [],
-        "x": 700,
-        "y": 100,
+        "x": 940,
+        "y": 140,
         "wires": [
             []
         ]
@@ -200,8 +200,8 @@
         "proxy": "",
         "authType": "",
         "senderr": false,
-        "x": 320,
-        "y": 140,
+        "x": 560,
+        "y": 180,
         "wires": [
             [
                 "a3b33ef1225b85e7"
@@ -219,8 +219,8 @@
         "initialize": "",
         "finalize": "",
         "libs": [],
-        "x": 700,
-        "y": 140,
+        "x": 940,
+        "y": 180,
         "wires": [
             []
         ]
@@ -239,8 +239,8 @@
         "proxy": "",
         "authType": "",
         "senderr": false,
-        "x": 320,
-        "y": 180,
+        "x": 560,
+        "y": 220,
         "wires": [
             [
                 "b284d02cb539994f"
@@ -258,8 +258,8 @@
         "initialize": "",
         "finalize": "",
         "libs": [],
-        "x": 700,
-        "y": 180,
+        "x": 940,
+        "y": 220,
         "wires": [
             []
         ]
@@ -278,8 +278,8 @@
         "proxy": "",
         "authType": "",
         "senderr": false,
-        "x": 320,
-        "y": 220,
+        "x": 560,
+        "y": 260,
         "wires": [
             [
                 "1da7740caa290264"
@@ -297,8 +297,8 @@
         "initialize": "",
         "finalize": "",
         "libs": [],
-        "x": 700,
-        "y": 220,
+        "x": 940,
+        "y": 260,
         "wires": [
             []
         ]
@@ -317,8 +317,8 @@
         "proxy": "",
         "authType": "",
         "senderr": false,
-        "x": 320,
-        "y": 260,
+        "x": 560,
+        "y": 300,
         "wires": [
             [
                 "6c9ebd253a3c3b0d"
@@ -336,8 +336,8 @@
         "initialize": "",
         "finalize": "",
         "libs": [],
-        "x": 700,
-        "y": 260,
+        "x": 940,
+        "y": 300,
         "wires": [
             []
         ]
@@ -356,8 +356,8 @@
         "proxy": "",
         "authType": "",
         "senderr": false,
-        "x": 320,
-        "y": 300,
+        "x": 560,
+        "y": 340,
         "wires": [
             [
                 "d848102461062b3f"
@@ -375,8 +375,8 @@
         "initialize": "",
         "finalize": "",
         "libs": [],
-        "x": 700,
-        "y": 300,
+        "x": 940,
+        "y": 340,
         "wires": [
             []
         ]
@@ -395,8 +395,8 @@
         "proxy": "",
         "authType": "",
         "senderr": false,
-        "x": 310,
-        "y": 340,
+        "x": 550,
+        "y": 380,
         "wires": [
             [
                 "3e88cef8b8b508ac"
@@ -414,8 +414,8 @@
         "initialize": "",
         "finalize": "",
         "libs": [],
-        "x": 700,
-        "y": 340,
+        "x": 940,
+        "y": 380,
         "wires": [
             []
         ]
@@ -434,8 +434,8 @@
         "proxy": "",
         "authType": "",
         "senderr": false,
-        "x": 310,
-        "y": 380,
+        "x": 550,
+        "y": 420,
         "wires": [
             [
                 "466e66a05eddb62f"
@@ -453,8 +453,8 @@
         "initialize": "",
         "finalize": "",
         "libs": [],
-        "x": 700,
-        "y": 380,
+        "x": 940,
+        "y": 420,
         "wires": [
             []
         ]
@@ -473,8 +473,8 @@
         "proxy": "",
         "authType": "",
         "senderr": false,
-        "x": 310,
-        "y": 420,
+        "x": 550,
+        "y": 460,
         "wires": [
             [
                 "a0e6a154bfb85c09"
@@ -492,8 +492,8 @@
         "initialize": "",
         "finalize": "",
         "libs": [],
-        "x": 700,
-        "y": 420,
+        "x": 940,
+        "y": 460,
         "wires": [
             []
         ]
@@ -512,7 +512,7 @@
         "proxy": "",
         "authType": "",
         "senderr": false,
-        "x": 330,
+        "x": 560,
         "y": 40,
         "wires": [
             [
@@ -531,7 +531,7 @@
         "initialize": "",
         "finalize": "",
         "libs": [],
-        "x": 710,
+        "x": 940,
         "y": 40,
         "wires": [
             []
@@ -551,8 +551,8 @@
         "proxy": "",
         "authType": "",
         "senderr": false,
-        "x": 310,
-        "y": 460,
+        "x": 550,
+        "y": 500,
         "wires": [
             [
                 "22bdca2522a4b3c9"
@@ -570,8 +570,8 @@
         "initialize": "",
         "finalize": "",
         "libs": [],
-        "x": 700,
-        "y": 460,
+        "x": 940,
+        "y": 500,
         "wires": [
             []
         ]
@@ -590,8 +590,8 @@
         "proxy": "",
         "authType": "",
         "senderr": false,
-        "x": 310,
-        "y": 500,
+        "x": 550,
+        "y": 540,
         "wires": [
             [
                 "51dc86ef4b4e31fd"
@@ -609,8 +609,8 @@
         "initialize": "",
         "finalize": "",
         "libs": [],
-        "x": 700,
-        "y": 500,
+        "x": 940,
+        "y": 540,
         "wires": [
             []
         ]
@@ -629,8 +629,8 @@
         "proxy": "",
         "authType": "",
         "senderr": false,
-        "x": 310,
-        "y": 540,
+        "x": 550,
+        "y": 580,
         "wires": [
             [
                 "804899fa9686be16"
@@ -648,8 +648,125 @@
         "initialize": "",
         "finalize": "",
         "libs": [],
-        "x": 700,
-        "y": 540,
+        "x": 940,
+        "y": 580,
+        "wires": [
+            []
+        ]
+    },
+    {
+        "id": "a5f8ee01c537330b",
+        "type": "http request",
+        "z": "f96eea4d4a3a345d",
+        "name": "Export L1",
+        "method": "GET",
+        "ret": "txt",
+        "paytoqs": "ignore",
+        "url": "http://10.1.0.5/cgi-bin/readVal.exe?PDP,%20R150,d",
+        "tls": "",
+        "persist": false,
+        "proxy": "",
+        "authType": "",
+        "senderr": false,
+        "x": 550,
+        "y": 620,
+        "wires": [
+            [
+                "ba0021b15f94fc41"
+            ]
+        ]
+    },
+    {
+        "id": "ba0021b15f94fc41",
+        "type": "function",
+        "z": "f96eea4d4a3a345d",
+        "name": "format and save to global var",
+        "func": "temp = parseFloat(msg.payload * 0.001).toFixed(2);\nglobal.set(\"einspeisung_l1_export\", temp)\nreturn msg;",
+        "outputs": 1,
+        "noerr": 0,
+        "initialize": "",
+        "finalize": "",
+        "libs": [],
+        "x": 940,
+        "y": 620,
+        "wires": [
+            []
+        ]
+    },
+    {
+        "id": "1e1823db7c7b4edd",
+        "type": "http request",
+        "z": "f96eea4d4a3a345d",
+        "name": "Export L2",
+        "method": "GET",
+        "ret": "txt",
+        "paytoqs": "ignore",
+        "url": "http://10.1.0.5/cgi-bin/readVal.exe?PDP,%20R151,d",
+        "tls": "",
+        "persist": false,
+        "proxy": "",
+        "authType": "",
+        "senderr": false,
+        "x": 550,
+        "y": 660,
+        "wires": [
+            [
+                "68157d83b4f176f5"
+            ]
+        ]
+    },
+    {
+        "id": "68157d83b4f176f5",
+        "type": "function",
+        "z": "f96eea4d4a3a345d",
+        "name": "format and save to global var",
+        "func": "temp = parseFloat(msg.payload * 0.001).toFixed(2);\nglobal.set(\"einspeisung_l2_export\", temp)\nreturn msg;",
+        "outputs": 1,
+        "noerr": 0,
+        "initialize": "",
+        "finalize": "",
+        "libs": [],
+        "x": 940,
+        "y": 660,
+        "wires": [
+            []
+        ]
+    },
+    {
+        "id": "7857cce5b19d21ea",
+        "type": "http request",
+        "z": "f96eea4d4a3a345d",
+        "name": "Export L3",
+        "method": "GET",
+        "ret": "txt",
+        "paytoqs": "ignore",
+        "url": "http://10.1.0.5/cgi-bin/readVal.exe?PDP,%20R152,d",
+        "tls": "",
+        "persist": false,
+        "proxy": "",
+        "authType": "",
+        "senderr": false,
+        "x": 550,
+        "y": 700,
+        "wires": [
+            [
+                "4d12b6c71b023fc8"
+            ]
+        ]
+    },
+    {
+        "id": "4d12b6c71b023fc8",
+        "type": "function",
+        "z": "f96eea4d4a3a345d",
+        "name": "format and save to global var",
+        "func": "temp = parseFloat(msg.payload * 0.001).toFixed(2);\nglobal.set(\"einspeisung_l3_export\", temp)\nreturn msg;",
+        "outputs": 1,
+        "noerr": 0,
+        "initialize": "",
+        "finalize": "",
+        "libs": [],
+        "x": 940,
+        "y": 700,
         "wires": [
             []
         ]
@@ -675,7 +792,7 @@
         "topic": "",
         "payload": "",
         "payloadType": "date",
-        "x": 120,
+        "x": 190,
         "y": 40,
         "wires": [
             [
@@ -684,120 +801,67 @@
         ]
     },
     {
-        "id": "a5f8ee01c537330b",
-        "type": "http request",
+        "id": "18e719ada7da042a",
+        "type": "inject",
         "z": "f96eea4d4a3a345d",
-        "name": "Export L1",
-        "method": "GET",
-        "ret": "txt",
-        "paytoqs": "ignore",
-        "url": "http://10.1.0.5/cgi-bin/readVal.exe?PDP,%20R150,d",
-        "tls": "",
-        "persist": false,
-        "proxy": "",
-        "authType": "",
-        "senderr": false,
-        "x": 310,
-        "y": 580,
+        "name": "Calc every minute",
+        "props": [
+            {
+                "p": "payload"
+            },
+            {
+                "p": "topic",
+                "vt": "str"
+            }
+        ],
+        "repeat": "60",
+        "crontab": "",
+        "once": false,
+        "onceDelay": 0.1,
+        "topic": "",
+        "payload": "",
+        "payloadType": "date",
+        "x": 190,
+        "y": 760,
         "wires": [
             [
-                "ba0021b15f94fc41"
+                "983943d318a0ef33"
             ]
         ]
     },
     {
-        "id": "ba0021b15f94fc41",
+        "id": "983943d318a0ef33",
         "type": "function",
         "z": "f96eea4d4a3a345d",
-        "name": "format and save to global var",
-        "func": "temp = parseFloat(msg.payload * 0.001).toFixed(1);\nglobal.set(\"einspeisung_l1_export\", temp)\nreturn msg;",
+        "name": "Phase sum of import and export like EM24",
+        "func": "//init counters if not defined\nif (global.get(\"einspeisung_total_import\") === undefined) {\n    global.set(\"einspeisung_total_import\", 0);\n}\nif (global.get(\"einspeisung_total_export\") === undefined) {\n    global.set(\"einspeisung_total_export\", 0);\n}\n//get counters from global variable\nvar total_import = parseFloat(global.get(\"einspeisung_total_import\"));\nvar total_export = parseFloat(global.get(\"einspeisung_total_export\"));\nvar phase_combined_last = parseFloat(global.get(\"einspeisung_total_phase_combined_last\"));\nvar check = \"Nothing\";\n\n//get measurements\nvar einspeisung_l1_import = parseFloat(global.get(\"einspeisung_l1_import\"));\nvar einspeisung_l2_import = parseFloat(global.get(\"einspeisung_l2_import\"));\nvar einspeisung_l3_import = parseFloat(global.get(\"einspeisung_l3_import\"));\n\nvar einspeisung_l1_export = parseFloat(global.get(\"einspeisung_l1_export\"));\nvar einspeisung_l2_export = parseFloat(global.get(\"einspeisung_l2_export\"));\nvar einspeisung_l3_export = parseFloat(global.get(\"einspeisung_l3_export\"));\n\n//get measurement of import and export\nvar phase_combined = (einspeisung_l1_import - einspeisung_l1_export) + (einspeisung_l2_import - einspeisung_l2_export) + (einspeisung_l3_import - einspeisung_l3_export);\n\nif (phase_combined < phase_combined_last) {\n    total_export += Math.abs(phase_combined - phase_combined_last);\n    check = \"Export: \" + Math.abs(phase_combined - phase_combined_last) + \" kWh\";\n}\nif (phase_combined > phase_combined_last) {\n    total_import += Math.abs(phase_combined - phase_combined_last);\n    check = \"Import: \" + Math.abs(phase_combined - phase_combined_last) + \" kWh\";\n}\n\nglobal.set(\"einspeisung_total_phase_combined_last\", phase_combined);\nglobal.set(\"einspeisung_total_import\", parseFloat(total_import).toFixed(2));\nglobal.set(\"einspeisung_total_export\", parseFloat(total_export).toFixed(2));\nmsg.payload = {total_import: total_import, total_export: total_export, phase_combined: phase_combined, phase_combined_last: phase_combined_last, check: check}\nreturn msg;",
         "outputs": 1,
         "noerr": 0,
         "initialize": "",
         "finalize": "",
         "libs": [],
-        "x": 700,
-        "y": 580,
-        "wires": [
-            []
-        ]
-    },
-    {
-        "id": "1e1823db7c7b4edd",
-        "type": "http request",
-        "z": "f96eea4d4a3a345d",
-        "name": "Export L2",
-        "method": "GET",
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\ No newline at end of file