Sontay Controls
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Dashboard
http://hwwiki.ddns.net:/dashboard/dashboard/snapshot/22Fnhm4pLFNicUBquTK4L0Gto076S6ry
GitHub
GitHub: https://github.com/heatweb/plumbing-controller/blob/main/json/modbus/sontay.json
GitHub raw content: https://raw.githubusercontent.com/heatweb/plumbing-controller/main/json/modbus/sontay.json
Node-RED
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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\nflow.set(\"modbusIn\",\"xxx\");\n\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":850,"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":false,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","x":1070,"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\n//register = 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 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flow.get(\"devices.\"+d+\".address\");\n item.register = flow.get(\"registers.\"+r+\".register\");\n item.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":630,"y":200,"wires":[]},{"id":"ed2532f3.8b2eb","type":"link 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1;\nmsg.register = 34;\nmsg.rlength = 1;\n\nflow.set(\"multiply\", 1);\nflow.set(\"rtopic\", \"test\");\n\n\nmsg.targetv = 60;\n\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[],"x":370,"y":560,"wires":[["33ad8fe7.e6b4"]]},{"id":"78197e95.d9a76","type":"inject","z":"9f18bf08.c2a65","name":"","props":[{"p":"payload","v":"","vt":"date"},{"p":"topic","v":"","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"","payloadType":"date","x":160,"y":560,"wires":[["14e7567b.06d12a"]]},{"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 = 11;\n item.rlength = 1;\n\n oot.push(item);\n \n \n \n item = {};\n item.fc = 3;\n item.address = flow.get(\"devices.\"+d+\".address\");\n item.register = 12;\n item.rlength = 1;\n\n oot.push(item);\n \n \n item = {};\n item.fc = 3;\n item.address = flow.get(\"devices.\"+d+\".address\");\n item.register = 8;\n item.rlength = 1;\n\n oot.push(item);\n \n \n }\n \n\n\nmsg.payload = oot;\n\n\n\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[],"x":380,"y":320,"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":"","payloadType":"date","x":170,"y":320,"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":830,"y":380,"wires":[["2f4d21d5.a442be"]]},{"id":"5a484812.f02ea8","type":"inject","z":"9f18bf08.c2a65","name":"","props":[{"p":"payload","v":"next","vt":"str"},{"p":"topic","v":"","vt":"string"}],"repeat":"1","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"next","payloadType":"str","x":610,"y":400,"wires":[["17020088.5d3acf"]]},{"id":"86708b96.ef5ad8","type":"link 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