node-red-MercuryStats
Communication with energy power meter Mercury 200.02 over serial interface.
[{"id":"ba386057.845d3","type":"mqtt-broker","broker":"api.xively.com","port":"1883","clientid":""},{"id":"b28d45e3.18cd","type":"serial-port","serialport":"/dev/ttyUSB0","serialbaud":"9600","databits":"8","parity":"none","stopbits":"1","newline":"500","bin":"bin","out":"time","addchar":true},{"id":"9e8d7bd0.703918","type":"serial out","name":"(in) Mercury200.02","serial":"b28d45e3.18cd","x":719,"y":394,"z":"c2f61f76.2fd47","wires":[]},{"id":"2ed275cf.9e4f72","type":"inject","name":"getCurrentEnergy","topic":"","payload":"","payloadType":"none","repeat":"60","crontab":"","once":false,"x":293,"y":199,"z":"c2f61f76.2fd47","wires":[["e957721d.477ee"]]},{"id":"5190eab0.c467c4","type":"serial in","name":"(out) Mercury200.02","serial":"b28d45e3.18cd","x":723,"y":480,"z":"c2f61f76.2fd47","wires":[["d917dde9.93694"]]},{"id":"e957721d.477ee","type":"function","name":"BinaryRequest","func":"msg.payload = new Buffer ([0x00,0x06,0x47,0x5E,0x63,0xEC,0xD4]);\nreturn msg;","outputs":1,"x":468,"y":199,"z":"c2f61f76.2fd47","wires":[["9e8d7bd0.703918"]]},{"id":"d917dde9.93694","type":"function","name":"Parser","func":"var cmd = msg.payload.toString('hex',4,5);\nif(cmd==63) {\n\tmsg.payload.voltage = Number(msg.payload.toString('hex',5,7)/10);\n\tmsg.payload.amperage = Number(msg.payload.toString('hex',7,9)/100);\n\tmsg.payload.energy = Number(msg.payload.toString('hex',9,12)/1);\n\treturn [ msg, null ];\n} else if (cmd==27) {\n\tmsg.payload.T1Power = Number(msg.payload.toString('hex',5,9)/100);\n\tmsg.payload.T2Power = Number(msg.payload.toString('hex',9,13)/100);\n\treturn [ null, msg ];\n}\n","outputs":"2","x":908,"y":480,"z":"c2f61f76.2fd47","wires":[["4f3b5afc.c3b48c"],["3dc28dea.3a3b5a"]]},{"id":"82a77e34.d2d158","type":"mqtt out","name":"Xively","topic":"/v2/feeds/19249442.json","qos":"","retain":"","broker":"ba386057.845d3","x":1166,"y":433,"z":"c2f61f76.2fd47","wires":[]},{"id":"77b961aa.72b808","type":"inject","name":"getTotalEnergy","topic":"","payload":"","payloadType":"none","repeat":"3600","crontab":"","once":false,"x":293,"y":269,"z":"c2f61f76.2fd47","wires":[["59e6f1e8.5e931"]]},{"id":"59e6f1e8.5e931","type":"function","name":"BinaryRequest","func":"msg.payload = new Buffer ([0x00,0x06,0x47,0x5E,0x27,0xEC,0xE7]);\nreturn msg;","outputs":1,"x":468,"y":269,"z":"c2f61f76.2fd47","wires":[["9e8d7bd0.703918"]]},{"id":"f456257d.620be8","type":"comment","name":"Read data from Energey Meter 'Mercury 200.02'","info":"","x":358,"y":446,"z":"c2f61f76.2fd47","wires":[]},{"id":"61ac228.ff1035c","type":"file","name":"HTTP page","filename":"/var/www/power.html","appendNewline":false,"overwriteFile":"true","x":1181,"y":519,"z":"c2f61f76.2fd47","wires":[]},{"id":"3dc28dea.3a3b5a","type":"template","name":"html","field":"payload","template":"<html>\n<head>\n<meta http-equiv=\"refresh\" content=\"3600\">\n<meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\" />\n<style>\nbody {font-size:30px;font-family:Verdana;} a,a:hover,a:visited{color:green;}\n</style>\n</head>\n<body>\nEnergy Meter<br/>\n\"Day\":<span style=\"font-weight: bolder;font-size:90px;color:red;\">{{payload.T1Power}}</span>kW*h<br/>\n\"Night\":<span style=\"font-weight: bolder;font-size:90px;color:red;\">{{payload.T2Power}}</span>kW*h<br/>\n\n<a href=\"https://xively.com/feeds/19249442\" />ïàðàìåòðû ñåòè</a>","x":965,"y":584,"z":"c2f61f76.2fd47","wires":[["61ac228.ff1035c"]]},{"id":"4f3b5afc.c3b48c","type":"template","name":"json","field":"payload","template":"{\n\t\"version\":\"1.0.0\",'\n\t\"datastreams\":['\n\t {\"id\":\"voltage\", \"current_value\":\"{{payload.voltage}}\"},\n\t {\"id\":\"amperage\", \"current_value\":\"{{payload.amperage}}\"},\n\t {\"id\":\"energy\", \"current_value\":\"{{payload.energy}}\"}\n\t]\n}","x":956,"y":383,"z":"c2f61f76.2fd47","wires":[["82a77e34.d2d158"]]}]
