[ { "id": "acc9f35a.ec54d8", "type": "tab", "label": "Flow 2", "disabled": false, "info": "" }, { "id": "44d45791.af575", "type": "inject", "z": "acc9f35a.ec54d8", "name": "", "topic": "", "payload": "", "payloadType": "date", "repeat": "", "crontab": "", "once": false, "onceDelay": 0.1, "x": 130, "y": 730, "wires": [ [ "3b4b7493.9187a4" ] ] }, { "id": "8cee8d67.a2e858", "type": "CS server", "z": "acc9f35a.ec54d8", "name": "CentralSystem@8834", "port": "8834", "enabled15": true, "path15": "/ocpp15s", "enabled16": true, "path16": "/ocpp16s", "enabled16j": true, "path16j": "/ocpp", "log": true, "pathlog": "c:\\tmp\\OCPP__.log", "x": 140, "y": 130, "wires": [ [ "68a8235f.451e04", "7dcf2c29.43a464" ] ] }, { "id": "7dcf2c29.43a464", "type": "debug", "z": "acc9f35a.ec54d8", "name": "", "active": true, "tosidebar": true, "console": false, "tostatus": false, "complete": "true", "x": 230, "y": 270, "wires": [] }, { "id": "3b4b7493.9187a4", "type": "CP client JSON", "z": "acc9f35a.ec54d8", "name": "EVSE-001", "cbId": "evse-001", "remotecs": "92124697.6658f", "ocppver": "1.6j", "command": "Heartbeat", "cmddata": "{}", "log": false, "pathlog": "", "x": 320, "y": 730, "wires": [ [ "48f62a62.5a7414" ] ] }, { "id": "2e1a65fd.686fe2", "type": "debug", "z": "acc9f35a.ec54d8", "name": "", "active": true, "tosidebar": true, "console": false, "tostatus": false, "complete": "true", "x": 710, "y": 770, "wires": [] }, { "id": "a8e1cfda.c3b0a", "type": "CP client JSON", "z": "acc9f35a.ec54d8", "name": "EVSE-002", "cbId": "evse-002", "remotecs": "92124697.6658f", "ocppver": "1.6j", "command": "Heartbeat", "cmddata": "{}", "log": false, "pathlog": "", "x": 310, "y": 900, "wires": [ [ "e6afde22.51b798" ] ] }, { "id": "e6afde22.51b798", "type": "debug", "z": "acc9f35a.ec54d8", "name": "", "active": true, "tosidebar": true, "console": false, "tostatus": false, "complete": "true", "x": 460, "y": 900, "wires": [] }, { "id": "21f0f480.5ef094", "type": "inject", "z": "acc9f35a.ec54d8", "name": "Empty trigger", "topic": "", "payload": "{}", "payloadType": "json", "repeat": "", "crontab": "", "once": false, "onceDelay": 0.1, "x": 140, "y": 900, "wires": [ [ "a8e1cfda.c3b0a" ] ] }, { "id": "68a8235f.451e04", "type": "switch", "z": "acc9f35a.ec54d8", "name": "OCPP CS Command Switch", "property": "payload.command", "propertyType": "msg", "rules": [ { "t": "eq", "v": "BootNotification", "vt": "str" }, { "t": "eq", "v": "Authorize", "vt": "str" }, { "t": "eq", "v": "Heartbeat", "vt": "str" }, { "t": "eq", "v": "StatusNotification", "vt": "str" }, { "t": "eq", "v": "MeterValues", "vt": "str" }, { "t": "eq", "v": "StartTransaction", "vt": "str" }, { "t": "eq", "v": "StopTransaction", "vt": "str" }, { "t": "else" } ], "checkall": "true", "repair": false, "outputs": 8, "x": 399, "y": 135, "wires": [ [ "7194ed20.873d8c" ], [ "e936416b.681468" ], [ "6c952053.e7be8" ], [ "243ae570.3009e2", "ed70d827.974808" ], [ "243ae570.3009e2", "ed70d827.974808", "b9839e55.58e7c8", "a78523d9.80027" ], [ "af7e1d23.d8562", "ed70d827.974808" ], [ "ed70d827.974808", "e936416b.681468" ], [ "ed70d827.974808" ] ] }, { "id": "87468474.e9785", "type": "server response", "z": "acc9f35a.ec54d8", "name": "", "x": 899, "y": 156, "wires": [] }, { "id": "7194ed20.873d8c", "type": "function", "z": "acc9f35a.ec54d8", "name": "BootNotification", "func": "msg.payload = {\n interval: 120,\n currentTime: new Date().toISOString(),\n status: \"Accepted\"\n}\nreturn msg;", "outputs": 1, "noerr": 0, "x": 679, "y": 36, "wires": [ [ "87468474.e9785" ] ] }, { "id": "af7e1d23.d8562", "type": "function", "z": "acc9f35a.ec54d8", "name": "Start Transaction", "func": "msg.payload = {\n idTagInfo: {\n status: \"Accepted\",\n },\n transactionId: getRndInteger(0,100000)\n}\nreturn msg;\n\nfunction getRndInteger(min, max) {\n return Math.floor(Math.random() * (max - min + 1) ) + min;\n}\n", "outputs": 1, "noerr": 0, "x": 689, "y": 216, "wires": [ [ "87468474.e9785" ] ] }, { "id": "8e8b7998.b5fea8", "type": "function", "z": "acc9f35a.ec54d8", "name": "Stop Transaction", "func": "msg.payload = { idTagInfo: { status: \"Accepted\"} };\nreturn msg;", "outputs": 1, "noerr": 0, "x": 889, "y": 236, "wires": [ [ "87468474.e9785" ] ] }, { "id": "6c952053.e7be8", "type": "change", "z": "acc9f35a.ec54d8", "name": "Heartbeat", "rules": [ { "t": "set", "p": "payload", "pt": "msg", "to": "{}", "tot": "json" }, { "t": "set", "p": "payload.currentTime", "pt": "msg", "to": "$now()", "tot": "jsonata" } ], "action": "", "property": "", "from": "", "to": "", "reg": false, "x": 659, "y": 114, "wires": [ [ "87468474.e9785" ] ] }, { "id": "e936416b.681468", "type": "change", "z": "acc9f35a.ec54d8", "name": "Generic Status=Accepted", "rules": [ { "t": "set", "p": "payload", "pt": "msg", "to": "{\"idTagInfo\":{\"status\":\"Accepted\"}}", "tot": "json" } ], "action": "", "property": "", "from": "", "to": "", "reg": false, "x": 709, "y": 76, "wires": [ [ "87468474.e9785", "8f8ced11.203858" ] ] }, { "id": "243ae570.3009e2", "type": "change", "z": "acc9f35a.ec54d8", "name": "Generic Return", "rules": [ { "t": "set", "p": "ocpp.data", "pt": "msg", "to": "payload.data", "tot": "msg" }, { "t": "set", "p": "payload", "pt": "msg", "to": "{}", "tot": "json" } ], "action": "", "property": "", "from": "", "to": "", "reg": false, "x": 679, "y": 156, "wires": [ [ "87468474.e9785" ] ] }, { "id": "ed70d827.974808", "type": "debug", "z": "acc9f35a.ec54d8", "name": "", "active": true, "tosidebar": true, "console": false, "tostatus": false, "complete": "true", "x": 530, "y": 270, "wires": [] }, { "id": "b83cc432.dd05a", "type": "inject", "z": "acc9f35a.ec54d8", "name": "get hb", "topic": "", "payload": "{\"command\":\"GetConfiguration\",\"data\":{\"key\":[\"HeartbeatInterval\"]}}", "payloadType": "json", "repeat": "", "crontab": "", "once": false, "onceDelay": 0.1, "x": 120, "y": 470, "wires": [ [ "644438bd.ddc77" ] ] }, { "id": "8f8ced11.203858", "type": "debug", "z": "acc9f35a.ec54d8", "name": "", "active": false, "tosidebar": true, "console": false, "tostatus": false, "complete": "true", "x": 909, "y": 56, "wires": [] }, { "id": "b9839e55.58e7c8", "type": "debug", "z": "acc9f35a.ec54d8", "name": "", "active": false, "tosidebar": true, "console": false, "tostatus": false, "complete": "payload.data.meterValue[0].sampledValue[2]", "x": 870, "y": 280, "wires": [] }, { "id": "a78523d9.80027", "type": "debug", "z": "acc9f35a.ec54d8", "name": "", "active": true, "tosidebar": true, "console": false, "tostatus": false, "complete": "true", "x": 750, "y": 350, "wires": [] }, { "id": "644438bd.ddc77", "type": "CS request JSON", "z": "acc9f35a.ec54d8", "name": "CS Req evse-001", "remotecb": "2bafdaab.15b956", "command": "GetConfiguration", "cmddata": "", "log": true, "pathlog": "", "x": 400, "y": 460, "wires": [ [ "dbdbed16.716bd8" ] ] }, { "id": "dbdbed16.716bd8", "type": "debug", "z": "acc9f35a.ec54d8", "name": "", "active": true, "tosidebar": true, "console": false, "tostatus": false, "complete": "true", "x": 590, "y": 460, "wires": [] }, { "id": "8e29e544.df0ec", "type": "CP client JSON", "z": "acc9f35a.ec54d8", "name": "EVSE-003", "cbId": "evse-003", "remotecs": "92124697.6658f", "ocppver": "1.6j", "command": "Heartbeat", "cmddata": "{}", "log": false, "pathlog": "", "x": 310, "y": 970, "wires": [ [ "a548f73.e3c3288" ] ] }, { "id": "a548f73.e3c3288", "type": "debug", "z": "acc9f35a.ec54d8", "name": "", "active": true, "tosidebar": true, "console": false, "tostatus": false, "complete": "true", "x": 460, "y": 970, "wires": [] }, { "id": "1b5d0855.91b5a", "type": "inject", "z": "acc9f35a.ec54d8", "name": "Send Heartbeat", "topic": "", "payload": "{\"command\":\"Heartbeat\",\"data\":{}}", "payloadType": "json", "repeat": "", "crontab": "", "once": false, "onceDelay": 0.1, "x": 140, "y": 970, "wires": [ [ "8e29e544.df0ec" ] ] }, { "id": "2d2fff0f.147418", "type": "inject", "z": "acc9f35a.ec54d8", "name": "get hb evse-002", "topic": "", "payload": "{\"cbId\":\"evse-002\",\"command\":\"GetConfiguration\",\"data\":{\"key\":[\"HeartbeatInterval\"]}}", "payloadType": "json", "repeat": "", "crontab": "", "once": false, "onceDelay": 0.1, "x": 150, "y": 550, "wires": [ [ "644438bd.ddc77" ] ] }, { "id": "dc104c1f.79ca1", "type": "comment", "z": "acc9f35a.ec54d8", "name": "Basic OCPP Central System Server and supporting nodes", "info": "Change the port address and paths to meet your needs.\nThis is a very basic (does represent a fully functional CS) example", "x": 230, "y": 30, "wires": [] }, { "id": "2138f556.ca99d2", "type": "comment", "z": "acc9f35a.ec54d8", "name": "Send request from the Central Server to JSON based Charge Points (EVSEs)", "info": "", "x": 290, "y": 390, "wires": [] }, { "id": "48f62a62.5a7414", "type": "switch", "z": "acc9f35a.ec54d8", "name": "", "property": "payload.command", "propertyType": "msg", "rules": [ { "t": "eq", "v": "GetConfiguration", "vt": "str" }, { "t": "else" } ], "checkall": "true", "repair": false, "outputs": 2, "x": 470, "y": 730, "wires": [ [ "a04f4e8e.2730b" ], [ "2e1a65fd.686fe2" ] ] }, { "id": "a04f4e8e.2730b", "type": "function", "z": "acc9f35a.ec54d8", "name": "GetConf response", "func": "let config = {\n HeartbeatInterval: 20,\n}\n\nlet KeyValues = [];\n\nlet KeyValue = {\n key: msg.payload.data.key[0],\n value: config[msg.payload.data.key[0]],\n readonly: true\n};\n\nKeyValues.push(KeyValue);\n\n// Copy over the request messageId to be used\n// in the response\nmsg.payload.MessageId = msg.ocpp.MessageId;\n\n// Our response data gets put into the payload.data\nmsg.payload.data = KeyValues;\n\n//\n// For responses to CS requests (such as GetConfig)\n// the CP JSON Client should set the message type to 3\nmsg.payload.msgType = 3;\n\nreturn msg;", "outputs": 1, "noerr": 0, "x": 730, "y": 730, "wires": [ [ "a6651586.7ea81", "ab7ccc5a.047d1" ] ] }, { "id": "94c69594.a51728", "type": "link in", "z": "acc9f35a.ec54d8", "name": "EVSE001Response", "links": [ "a6651586.7ea81" ], "x": 225, "y": 690, "wires": [ [ "3b4b7493.9187a4" ] ] }, { "id": "a6651586.7ea81", "type": "link out", "z": "acc9f35a.ec54d8", "name": "", "links": [ "94c69594.a51728" ], "x": 955, "y": 730, "wires": [] }, { "id": "ab7ccc5a.047d1", "type": "debug", "z": "acc9f35a.ec54d8", "name": "", "active": true, "tosidebar": true, "console": false, "tostatus": false, "complete": "true", "x": 790, "y": 670, "wires": [] }, { "id": "4a0b014c.9f6e18", "type": "comment", "z": "acc9f35a.ec54d8", "name": "Target a different EVSE/cbId", "info": "", "x": 160, "y": 510, "wires": [] }, { "id": "3e5c9b9f.d97564", "type": "comment", "z": "acc9f35a.ec54d8", "name": "Inject a command with data", "info": "", "x": 160, "y": 430, "wires": [] }, { "id": "7741c50b.b6d9a4", "type": "comment", "z": "acc9f35a.ec54d8", "name": "React to GetConfiguration commands", "info": "This would usually be a larger switch block.\nFor simplicity, we are only reacting to the\nGetConfiguration command (very basic).\nYou probably want a case for every OCPP command\nthat could possibly be sent from the CS.", "x": 530, "y": 690, "wires": [] }, { "id": "8300f4bc.9d2ae8", "type": "comment", "z": "acc9f35a.ec54d8", "name": "Inject the response back through the CP JSON client to be sent to the CS", "info": "", "x": 1150, "y": 680, "wires": [] }, { "id": "aafc9533.78b61", "type": "comment", "z": "acc9f35a.ec54d8", "name": "Just 2 other CP JSON clients (simple/dumb)", "info": "", "x": 190, "y": 810, "wires": [] }, { "id": "688278b3.2851c8", "type": "comment", "z": "acc9f35a.ec54d8", "name": "Empty trigger causes the default cmd and data in node to be used", "info": "", "x": 280, "y": 860, "wires": [] }, { "id": "255e3170.72628e", "type": "comment", "z": "acc9f35a.ec54d8", "name": "EVSE / ChargePoint Clients", "info": "", "x": 160, "y": 630, "wires": [] }, { "id": "248aa5d0.dec4f2", "type": "comment", "z": "acc9f35a.ec54d8", "name": "Debug all incoming msgs", "info": "", "x": 260, "y": 230, "wires": [] }, { "id": "1eb59bcf.4e063c", "type": "comment", "z": "acc9f35a.ec54d8", "name": "Example with JSON 1.6", "info": "Keep in mind that some of the basic CS responses vary depending on OCPP 1.5 vs 1.6", "x": 190, "y": 70, "wires": [] }, { "id": "92124697.6658f", "type": "ocpp-remote-cs", "z": "", "name": "Localhost:8834/ocpp", "url": "ws://localhost:8834/ocpp" }, { "id": "2bafdaab.15b956", "type": "ocpp-remotej-cp", "z": "", "name": "", "cbId": "evse-001", "ocppver": "1.6j" } ]