Difference between revisions of "Micronics Heat Meters"
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| Line 4: | Line 4: | ||
== Registers == | == Registers == | ||
<pre> | |||
[ | |||
{ | |||
"register": "7", | |||
"reading": "dat.velocity", | |||
"multiplier": "100", | |||
"datatype": "int16", | |||
"rlength": 2, | |||
"units": "m/s" | |||
}, | |||
{ | |||
"register": "9", | |||
"reading": "dat.flow", | |||
"multiplier": "100", | |||
"datatype": "int16", | |||
"rlength": 2, | |||
"units": "m3/h" | |||
}, | |||
{ | |||
"register": "11", | |||
"reading": "dat.power", | |||
"multiplier": "100", | |||
"datatype": "IEEE754", | |||
"rlength": 2, | |||
"units": "kW" | |||
}, | |||
{ | |||
"register": "13", | |||
"reading": "dat.energy", | |||
"multiplier": "100", | |||
"datatype": "IEEE754", | |||
"rlength": 2, | |||
"units": "kWh" | |||
}, | |||
{ | |||
"register": "15", | |||
"reading": "dat.tHot", | |||
"multiplier": "100", | |||
"datatype": "IEEE754", | |||
"rlength": 2, | |||
"units": "°C" | |||
}, | |||
{ | |||
"register": "17", | |||
"reading": "dat.tCold", | |||
"multiplier": "100", | |||
"datatype": "IEEE754", | |||
"rlength": 2, | |||
"units": "°C" | |||
}, | |||
{ | |||
"register": "19", | |||
"reading": "dat.tDiff", | |||
"multiplier": "100", | |||
"datatype": "IEEE754", | |||
"rlength": 2, | |||
"units": "°C" | |||
}, | |||
{ | |||
"register": "21", | |||
"reading": "dat.volume", | |||
"multiplier": "100", | |||
"datatype": "IEEE754", | |||
"rlength": 2, | |||
"units": "m3" | |||
} | |||
] | |||
</pre> | |||
== Node-RED Flow == | == Node-RED Flow == | ||
Revision as of 20:47, 8 September 2022
Registers
[
{
"register": "7",
"reading": "dat.velocity",
"multiplier": "100",
"datatype": "int16",
"rlength": 2,
"units": "m/s"
},
{
"register": "9",
"reading": "dat.flow",
"multiplier": "100",
"datatype": "int16",
"rlength": 2,
"units": "m3/h"
},
{
"register": "11",
"reading": "dat.power",
"multiplier": "100",
"datatype": "IEEE754",
"rlength": 2,
"units": "kW"
},
{
"register": "13",
"reading": "dat.energy",
"multiplier": "100",
"datatype": "IEEE754",
"rlength": 2,
"units": "kWh"
},
{
"register": "15",
"reading": "dat.tHot",
"multiplier": "100",
"datatype": "IEEE754",
"rlength": 2,
"units": "°C"
},
{
"register": "17",
"reading": "dat.tCold",
"multiplier": "100",
"datatype": "IEEE754",
"rlength": 2,
"units": "°C"
},
{
"register": "19",
"reading": "dat.tDiff",
"multiplier": "100",
"datatype": "IEEE754",
"rlength": 2,
"units": "°C"
},
{
"register": "21",
"reading": "dat.volume",
"multiplier": "100",
"datatype": "IEEE754",
"rlength": 2,
"units": "m3"
}
]
Node-RED Flow
[
{
"id": "b2d492ed.c4def",
"type": "subflow",
"name": "rbe 3min",
"info": "",
"category": "",
"in": [
{
"x": 80,
"y": 160,
"wires": [
{
"id": "ee023f13.5958c"
}
]
}
],
"out": [
{
"x": 460,
"y": 160,
"wires": [
{
"id": "61b66a77.aec334",
"port": 0
}
]
}
],
"env": []
},
{
"id": "61b66a77.aec334",
"type": "switch",
"z": "b2d492ed.c4def",
"name": "",
"property": "reset",
"propertyType": "msg",
"rules": [
{
"t": "null"
}
],
"checkall": "false",
"repair": false,
"outputs": 1,
"x": 330,
"y": 160,
"wires": [
[]
]
},
{
"id": "23f9ad60.8b4b82",
"type": "change",
"z": "b2d492ed.c4def",
"name": "",
"rules": [
{
"t": "set",
"p": "reset",
"pt": "msg",
"to": "1",
"tot": "str"
}
],
"action": "",
"property": "",
"from": "",
"to": "",
"reg": false,
"x": 220,
"y": 120,
"wires": [
[
"ee023f13.5958c"
]
]
},
{
"id": "44580c0c.eb7c04",
"type": "inject",
"z": "b2d492ed.c4def",
"name": "",
"repeat": "180",
"crontab": "",
"once": false,
"onceDelay": "60",
"topic": "",
"payload": "",
"payloadType": "date",
"x": 210,
"y": 80,
"wires": [
[
"23f9ad60.8b4b82"
]
]
},
{
"id": "ee023f13.5958c",
"type": "rbe",
"z": "b2d492ed.c4def",
"name": "",
"func": "rbe",
"gap": "",
"start": "",
"inout": "out",
"property": "payload",
"x": 200,
"y": 160,
"wires": [
[
"61b66a77.aec334"
]
]
},
{
"id": "9f18bf08.c2a65",
"type": "tab",
"label": "Micronics Modbus",
"disabled": false,
"info": "https://www.binaryconvert.com/convert_signed_int.html?hexadecimal=000019FD"
},
{
"id": "19182344.741c9d",
"type": "function",
"z": "9f18bf08.c2a65",
"name": "",
"func": "//if(Buffer.from(msg.payload, 'ascii')[1]!==3) { return null; }\n\nfunction hex2bin(hex){\n return (\"00000000\" + (parseInt(hex)).toString(2)).substr(-8);\n}\n\nfunction dec2bin(dec){\n return (dec >>> 0).toString(2);\n}\n\nfunction Int2Float32(bytes) {\n var sign = (bytes & 0x80000000) ? -1 : 1;\n var exponent = ((bytes >> 23) & 0xFF) - 127;\n var significand = (bytes & ~(-1 << 23));\n\n if (exponent == 128)\n return sign * ((significand) ? Number.NaN : Number.POSITIVE_INFINITY);\n\n if (exponent == -127) {\n if (significand === 0) return sign * 0.0;\n exponent = -126;\n significand /= (1 << 22);\n } else significand = (significand | (1 << 23)) / (1 << 23);\n\n return sign * significand * Math.pow(2, exponent);\n}\n\nvar msg2 = { \"payload\": Buffer.from(msg.payload, 'ascii') };\n\nmsg.address = msg.payload[0];\n//msg.register = (256 * msg.payload[2]) + msg.payload[3];\nmsg.register = flow.get(\"curreg\");\n\n\nvar minfo = flow.get(\"registers.r\" + msg.register) || null;\nvar dinfo = flow.get(\"devices.\" + msg.address) || null;\n\nif (!minfo) { return null; }\nif (!dinfo) { return null; } \n\nif (minfo.datatype==\"bits\") {\n \n var oot = {};\n var bits = minfo.items.split(\",\");\n var bc=15;\n for (var bit in bits) {\n \n var item = {};\n item.payload = (256 * msg.payload[3]) + msg.payload[4]; \n item.payload = (\"00000000000000000\" + dec2bin(item.payload)).substr(-16);\n item.payload = item.payload.substr(bc,1);\n \n item.topic = dinfo.device + \"/\" + bits[bit].replace(\".\",\"/\");\n \n if (minfo[\"units\"]) { item.units = minfo[\"units\"]; }\n item.title = (bits[bit].split(\".\")[1]? bits[bit].split(\".\")[1]:bits[bit]) + \" [Modbus \" + msg.register + \", bit \" + bit + \"]\"; \n\n if (minfo[\"title\"]) { item.title = minfo[\"title\"] + \", \" + item.title; }\n\n if (minfo[\"values\"]) {\n \n if (minfo[\"values\"][15-bc]) {\n if (minfo[\"values\"][15-bc][\"\" + item.payload]) { item.payload = minfo[\"values\"][15-bc][\"\" + item.payload]; }\n }\n }\n\n\n \n oot[item.topic] = item;\n \n bc=bc-1;\n\n }\n msg.payload = oot;\n \n return [null,msg];\n \n \n} \n\nelse if (minfo.datatype == \"IEEE754\") {\n\n msg.payload = String.fromCharCode(msg.payload[3]) + String.fromCharCode(msg.payload[4]) + String.fromCharCode(msg.payload[5]) + String.fromCharCode(msg.payload[6]);\n msg.payload = Buffer.from(msg.payload, 'ascii');\n\n \n let intValue;\n // if (typeof msg.payload === \"number\") {\n // intValue = msg.payload;\n // } else if (typeof msg.payload === \"string\") {\n // intValue = Number(msg.payload);\n // } else if (msg.payload.length == 4) {\n // four byte array or buffer\n intValue = (((((msg.payload[0] << 8) + msg.payload[1]) << 8) + msg.payload[2]) << 8) + msg.payload[3];\n // } else {\n // node.warn(\"Unrecognised payload type or length\");\n // }\n\n msg.payload = Int2Float32(intValue);\n \n\n msg.topic = dinfo.device + \"/\" + minfo[\"reading\"].replace(\".\", \"/\");\n\n\n\n if (minfo[\"units\"]) { msg.units = minfo[\"units\"]; }\n //if (minfo[\"title\"]) { msg.title = minfo[\"title\"]; }\n\n\n if (minfo[\"title\"]) { msg.title = minfo[\"title\"] + \" [Modbus \" + msg.register + \"]\"; }\n else { msg.title = (minfo[\"reading\"].split(\".\")[1] ? minfo[\"reading\"].split(\".\")[1] : minfo[\"reading\"]) + \" [Modbus \" + msg.register + \"]\"; }\n\n return [msg, null];\n\n}\n\nelse {\n \n \n \n msg.payload = (256 * msg.payload[3]) + msg.payload[4]; \n msg.payload = msg.payload / parseFloat(minfo[\"multiplier\"] || 1);\n\n msg.topic = dinfo.device + \"/\" + minfo[\"reading\"].replace(\".\",\"/\");\n\n\n if (minfo[\"values\"]) {\n \n if (minfo[\"values\"]==\"alarmCodes\") { \n \n var ac = flow.get(\"alarmCodes\");\n if (ac[\"\" + msg.payload]) { msg.payload = ac[\"\" + msg.payload]; }\n }\n \n else if (minfo[\"values\"][\"\" + msg.payload]) { msg.payload = minfo[\"values\"][\"\" + msg.payload]; }\n }\n\n if (minfo[\"units\"]) { msg.units = minfo[\"units\"]; }\n //if (minfo[\"title\"]) { msg.title = minfo[\"title\"]; }\n \n \n if (minfo[\"title\"]) { msg.title = minfo[\"title\"] + \" [Modbus \" + msg.register + \"]\"; }\n else { msg.title = (minfo[\"reading\"].split(\".\")[1]? minfo[\"reading\"].split(\".\")[1] : minfo[\"reading\"]) + \" [Modbus \" + msg.register + \"]\"; }\n\n return [msg,null];\n \n}\n\n",
"outputs": 2,
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 430,
"y": 760,
"wires": [
[
"dc3ca7c5.e94698",
"86708b96.ef5ad8",
"5e07fd48.7736c4"
],
[
"3e19cbf3.6791d4",
"5ab178a1.1cde28",
"86708b96.ef5ad8"
]
]
},
{
"id": "dc3ca7c5.e94698",
"type": "debug",
"z": "9f18bf08.c2a65",
"name": "",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "false",
"x": 650,
"y": 640,
"wires": []
},
{
"id": "2f4d21d5.a442be",
"type": "function",
"z": "9f18bf08.c2a65",
"name": "Modbus",
"func": "// http://www.simplymodbus.ca/FC03.htm\n//11 03 006B 0003 7687\n// 11 03 06 AE41 5652 4340 49AD\n\n// uses address 17 as default.\n\n//var offs = 0;\n//if (msg.payload[0] === 0) { offs = 1; }\nif (!msg.payload) { msg.payload={}; }\n\nvar address = msg.payload.address || msg.address ||8;\nvar fc = msg.payload.fc || msg.fc ;\nvar register = msg.payload.register || msg.register || 1;\nflow.set(\"curreg\", register);\nflow.set(\"fc\", fc);\n\nregister = register - 1;\n\nvar rlength = msg.payload.rlength || msg.rlength || 1;\n\nvar r1 = Math.floor(register / 256);\nvar r2 = register % 256;\n\n\n\n\nvar targetv = msg.targetv; //999;\n\n\nif (fc != 3 && fc != 6) { return null; }\n\nflow.set(\"modbusIn\",\"\");\n\n//targetv = global.get(\"modbus.\"+register+\".value\") || 0;\n\n//targetv = parseInt(global.get(\"modbus.\"+register+\".multiply\") || 1) * targetv;\n\n\nfunction crc16(buffer) {\n var crc = 0xFFFF;\n var odd;\n\n for (var i = 0; i < buffer.length; i++) {\n crc = crc ^ buffer[i];\n\n for (var j = 0; j < 8; j++) {\n odd = crc & 0x0001;\n crc = crc >> 1;\n if (odd) {\n crc = crc ^ 0xA001;\n }\n }\n }\n\n crc = \"0000\" + crc.toString(16);\n crc = crc.substr(-4);\n\n return crc;\n}\n\nvar tosend = \"\";\nvar crcString =\"\";\nvar msg2={};\n \nif (fc == 3) { // read\n\n \n tosend = String.fromCharCode(address) + String.fromCharCode(3);\n tosend += String.fromCharCode(r1) + String.fromCharCode(r2);\n tosend += String.fromCharCode(0) + String.fromCharCode(rlength);\n \n crcString = crc16(Buffer.from(tosend, 'ascii'));\n tosend += String.fromCharCode(parseInt(crcString.substr(2,2),16)) + String.fromCharCode(parseInt(crcString.substr(0,2),16)) ;\n \n msg.payload = Buffer.from(tosend, 'ascii');\n \n tosend = \"-\" + tosend;\n \n msg2.payload = Buffer.from(tosend, 'ascii');\n \n \n return [msg,msg2];\n\n} else if (fc == 6 ) { // write\n\n\n tosend = String.fromCharCode(address) + String.fromCharCode(6);\n \n tosend += String.fromCharCode(r1) + String.fromCharCode(r2);\n \n targetv = parseInt(targetv) ;\n var hexStringValue = \"0000\" + targetv.toString(16);\n hexStringValue = hexStringValue.substr(-4);\n \n \n tosend += String.fromCharCode(parseInt(hexStringValue.substr(0,2),16)) + String.fromCharCode(parseInt(hexStringValue.substr(2,2),16)) ;\n \n \n msg.payload = Buffer.from(tosend, 'ascii');\n \n crcString = crc16(msg.payload);\n \n tosend += String.fromCharCode(parseInt(crcString.substr(2,2),16)) + String.fromCharCode(parseInt(crcString.substr(0,2),16)) ;\n \n \n msg.payload = Buffer.from(tosend, 'ascii');\n tosend = \"-\" + tosend;\n msg2.payload = Buffer.from(tosend, 'ascii');\n \n \n return [msg,msg2];\n\n} \n\n\n",
"outputs": "2",
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 880,
"y": 320,
"wires": [
[
"e0f88c79.9f4af",
"7cf5ec60.b4aa74",
"748c3615.f4aed8"
],
[]
]
},
{
"id": "5175b544.b7200c",
"type": "serial in",
"z": "9f18bf08.c2a65",
"name": "",
"serial": "5cc70f0836e6a358",
"x": 230,
"y": 760,
"wires": [
[
"38612c3b.f919e4",
"19182344.741c9d"
]
]
},
{
"id": "748c3615.f4aed8",
"type": "serial out",
"z": "9f18bf08.c2a65",
"name": "",
"serial": "5cc70f0836e6a358",
"x": 1090,
"y": 320,
"wires": []
},
{
"id": "38612c3b.f919e4",
"type": "debug",
"z": "9f18bf08.c2a65",
"name": "",
"active": false,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "false",
"x": 310,
"y": 680,
"wires": []
},
{
"id": "7cf5ec60.b4aa74",
"type": "debug",
"z": "9f18bf08.c2a65",
"name": "",
"active": false,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "false",
"x": 1090,
"y": 280,
"wires": []
},
{
"id": "6cfb0711.4da528",
"type": "inject",
"z": "9f18bf08.c2a65",
"name": "",
"props": [
{
"p": "payload"
},
{
"p": "topic",
"vt": "str"
}
],
"repeat": "15",
"crontab": "",
"once": true,
"onceDelay": "20",
"topic": "",
"payload": "registers",
"payloadType": "flow",
"x": 160,
"y": 240,
"wires": [
[
"329d854f.d78aca"
]
]
},
{
"id": "329d854f.d78aca",
"type": "function",
"z": "9f18bf08.c2a65",
"name": "",
"func": "\nvar oot = [];\n\nfor (var r in flow.get(\"registers\")) {\n for (var d in flow.get(\"devices\")) {\n \n \n var item = {};\n item.fc = 3;\n item.address = flow.get(\"devices.\"+d+\".address\");\n item.register = flow.get(\"registers.\"+r+\".register\");\n item.rlength = flow.get(\"registers.\" + r + \".rlength\") || 1;\n\n oot.push(item);\n \n }\n \n}\n\nmsg.payload = oot;\n\nflow.set(\"msglist\",[]);\n\nreturn msg;",
"outputs": 1,
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 340,
"y": 240,
"wires": [
[
"d3419296.35733"
]
]
},
{
"id": "bef71e0f.deefb",
"type": "split",
"z": "9f18bf08.c2a65",
"name": "",
"splt": "\\n",
"spltType": "str",
"arraySplt": 1,
"arraySpltType": "len",
"stream": false,
"addname": "",
"x": 550,
"y": 320,
"wires": [
[
"17020088.5d3acf"
]
]
},
{
"id": "2a6e4f4c.deb5d",
"type": "debug",
"z": "9f18bf08.c2a65",
"name": "",
"active": false,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "false",
"x": 690,
"y": 160,
"wires": []
},
{
"id": "ed2532f3.8b2eb",
"type": "link out",
"z": "9f18bf08.c2a65",
"name": "",
"links": [
"72fc070f.39dd8"
],
"x": 1075,
"y": 680,
"wires": []
},
{
"id": "3e19cbf3.6791d4",
"type": "split",
"z": "9f18bf08.c2a65",
"name": "",
"splt": "\\n",
"spltType": "str",
"arraySplt": 1,
"arraySpltType": "len",
"stream": false,
"addname": "topic",
"x": 630,
"y": 840,
"wires": [
[
"72c274fa.6b8f9c"
]
]
},
{
"id": "349371d0.2b2f3e",
"type": "debug",
"z": "9f18bf08.c2a65",
"name": "",
"active": false,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "false",
"x": 950,
"y": 840,
"wires": []
},
{
"id": "5ab178a1.1cde28",
"type": "debug",
"z": "9f18bf08.c2a65",
"name": "",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "false",
"x": 650,
"y": 800,
"wires": []
},
{
"id": "203b17cc.280718",
"type": "debug",
"z": "9f18bf08.c2a65",
"name": "",
"active": false,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "false",
"x": 1090,
"y": 780,
"wires": []
},
{
"id": "10d76ef9.420971",
"type": "function",
"z": "9f18bf08.c2a65",
"name": "Read Key Registers",
"func": "\n\nvar oot = [];\n\n for (var d in flow.get(\"devices\")) {\n \n \n var item = {};\n item.fc = 3;\n item.address = flow.get(\"devices.\"+d+\".address\");\n item.register = 5;\n item.rlength = 2;\n\n oot.push(item);\n \n item.register = 11;\n\n oot.push(item);\n \n \n \n }\n \n\n\nmsg.payload = oot;\n\n\n\nreturn msg;",
"outputs": 1,
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 380,
"y": 300,
"wires": [
[
"bef71e0f.deefb"
]
]
},
{
"id": "446f5a59.fe8d44",
"type": "inject",
"z": "9f18bf08.c2a65",
"d": true,
"name": "",
"props": [
{
"p": "payload"
},
{
"p": "topic",
"vt": "str"
}
],
"repeat": "10",
"crontab": "",
"once": false,
"onceDelay": 0.1,
"topic": "",
"payload": "",
"payloadType": "date",
"x": 170,
"y": 300,
"wires": [
[
"10d76ef9.420971"
]
]
},
{
"id": "17020088.5d3acf",
"type": "function",
"z": "9f18bf08.c2a65",
"name": "SHIFT",
"func": "\nvar msglist=flow.get(\"msglist\") || [];\n\n//if (msglist.length> 100) { msglist = []; }\n \nif (msg.payload == \"next\") { \n \n if (!msglist[0]) { return null; }\n \n if (flow.get(\"modbusIn\")===\"\") { return null; }\n \n msg = msglist[0];\n msglist.shift();\n flow.set(\"msglist\",msglist);\n return msg;\n}\n\nelse { \n \n msglist.push(msg); \n flow.set(\"msglist\",msglist);\n return null;\n \n}\n\n\n\n\n",
"outputs": 1,
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 730,
"y": 320,
"wires": [
[
"2f4d21d5.a442be"
]
]
},
{
"id": "5a484812.f02ea8",
"type": "inject",
"z": "9f18bf08.c2a65",
"name": "",
"props": [
{
"p": "payload",
"v": "next",
"vt": "str"
},
{
"p": "topic",
"v": "",
"vt": "string"
}
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