first (dirty) protoype of having two solar controllers with two seperate mx485
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0c2ac86c32
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d491b335e4
1 changed files with 176 additions and 36 deletions
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@ -53,6 +53,14 @@
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RE => 2
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RO => 10
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MAX4852=>Arduino Uno
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GND => GND
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VCC => 5V
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DI => 9
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DE => 5
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RE => 4
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RO => 6
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TRACER => MAX485
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blue => B
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green => A
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@ -63,14 +71,22 @@
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#include <SoftwareSerial.h>
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#include "ArduinoJson.h"
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bool twoController = true;
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SoftwareSerial myserial(10, 11); // RX, TX
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SoftwareSerial myserial2(6, 9); // RX, TX
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#define MAX485_DE 3
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#define MAX485_RE_NEG 2
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#define MAX485_DE2 5
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#define MAX485_RE_NEG2 4
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// instantiate ModbusMaster object
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ModbusMaster node;
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ModbusMaster node2;
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// not needed...
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//float batVolt;
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@ -79,6 +95,11 @@ float battChargeCurrent, battDischargeCurrent, battChargePower, battOverallCurre
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float bvoltage, ctemp, btemp, bremaining, lpower, lcurrent, pvvoltage, pvcurrent, pvpower;
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float stats_today_pv_volt_min, stats_today_pv_volt_max;
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float battChargeCurrent2, battDischargeCurrent2, battChargePower2, battOverallCurrent2;
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float bvoltage2, ctemp2, btemp2, bremaining2, lpower2, lcurrent2, pvvoltage2, pvcurrent2, pvpower2;
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float stats_today_pv_volt_min2, stats_today_pv_volt_max2;
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bool rs485DataReceived = true;
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bool loadPoweredOn = true;
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@ -86,6 +107,10 @@ bool loadPoweredOn = true;
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uint8_t result;
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uint16_t data[6];
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uint8_t result2;
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uint16_t data2[6];
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void preTransmission()
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{
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digitalWrite(MAX485_RE_NEG, 1);
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@ -98,6 +123,18 @@ void postTransmission()
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digitalWrite(MAX485_DE, 0);
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}
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void preTransmission2()
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{
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digitalWrite(MAX485_RE_NEG2, 1);
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digitalWrite(MAX485_DE2, 1);
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}
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void postTransmission2()
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{
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digitalWrite(MAX485_RE_NEG2, 0);
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digitalWrite(MAX485_DE2, 0);
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}
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void setup()
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{
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pinMode(MAX485_RE_NEG, OUTPUT);
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@ -106,21 +143,36 @@ void setup()
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digitalWrite(MAX485_RE_NEG, 0);
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digitalWrite(MAX485_DE, 0);
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if(twoController == true) {
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pinMode(MAX485_RE_NEG2, OUTPUT);
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pinMode(MAX485_DE2, OUTPUT);
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// Init in receive mode
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digitalWrite(MAX485_RE_NEG2, 0);
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digitalWrite(MAX485_DE2, 0);
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}
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// Modbus communication runs at 115200 baud
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//Tracer connection
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myserial.begin(115200);
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if(twoController == true) {
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myserial2.begin(115200);
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}
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//USB Serial connection
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Serial.begin(115200);
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// Modbus slave ID 1
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node.begin(1, myserial);
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if(twoController == true) {
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node2.begin(1, myserial2);
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}
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// Callbacks allow us to configure the RS485 transceiver correctly
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node.preTransmission(preTransmission);
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node.postTransmission(postTransmission);
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if(twoController == true) {
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node2.preTransmission(preTransmission2);
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node2.postTransmission(postTransmission2);
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}
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}
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//was true
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@ -135,22 +187,40 @@ void loop()
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AddressRegistry_331B();
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StaticJsonDocument<128> jsonOut;
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jsonOut["pvpower"] = pvpower;
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jsonOut["pvcurrent"] = pvcurrent;
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jsonOut["pvvoltage"] = pvvoltage;
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jsonOut["lcurrent"] = lcurrent;
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jsonOut["pvpower"] = pvpower;
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jsonOut["lpower"] = lpower;
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jsonOut["pvpower"] = pvpower;
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jsonOut["btemp"] = btemp;
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jsonOut["bvoltage"] = bvoltage;
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jsonOut["bremaining"] = bremaining;
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jsonOut["ctemp"] = ctemp;
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jsonOut["battChargeCurrent"] = battChargeCurrent;
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jsonOut["battChargePower"] = battChargePower;
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jsonOut["battOverallCurrent"] = battOverallCurrent;
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jsonOut["loadPoweredOn"] = loadPoweredOn;
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StaticJsonDocument<256> jsonOut;
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jsonOut["1"]["pvpower"] = pvpower;
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jsonOut["1"]["pvcurrent"] = pvcurrent;
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jsonOut["1"]["pvvoltage"] = pvvoltage;
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jsonOut["1"]["lcurrent"] = lcurrent;
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jsonOut["1"]["pvpower"] = pvpower;
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jsonOut["1"]["lpower"] = lpower;
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jsonOut["1"]["pvpower"] = pvpower;
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jsonOut["1"]["btemp"] = btemp;
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jsonOut["1"]["bvoltage"] = bvoltage;
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jsonOut["1"]["bremaining"] = bremaining;
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jsonOut["1"]["ctemp"] = ctemp;
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jsonOut["1"]["battChargeCurrent"] = battChargeCurrent;
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jsonOut["1"]["battChargePower"] = battChargePower;
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jsonOut["1"]["battOverallCurrent"] = battOverallCurrent;
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jsonOut["1"]["loadPoweredOn"] = loadPoweredOn;
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if(twoController == true) {
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jsonOut["2"]["pvpower"] = pvpower;
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jsonOut["2"]["pvcurrent"] = pvcurrent;
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jsonOut["2"]["pvvoltage"] = pvvoltage;
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jsonOut["2"]["lcurrent"] = lcurrent;
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jsonOut["2"]["pvpower"] = pvpower;
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jsonOut["2"]["lpower"] = lpower;
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jsonOut["2"]["pvpower"] = pvpower;
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jsonOut["2"]["btemp"] = btemp;
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jsonOut["2"]["bvoltage"] = bvoltage;
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jsonOut["2"]["bremaining"] = bremaining;
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jsonOut["2"]["ctemp"] = ctemp;
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jsonOut["2"]["battChargeCurrent"] = battChargeCurrent;
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jsonOut["2"]["battChargePower"] = battChargePower;
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jsonOut["2"]["battOverallCurrent"] = battOverallCurrent;
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jsonOut["2"]["loadPoweredOn"] = loadPoweredOn;
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}
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serializeJson(jsonOut, Serial);
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Serial.println();
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delay(1000);
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@ -160,28 +230,37 @@ void loop()
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// AddressRegistry from https://github.com/Bettapro/Solar-Tracer-Blynk-V3
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void AddressRegistry_3100() {
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result = node.readInputRegisters(0x3100, 6);
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if (result == node.ku8MBSuccess) {
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if (result == node.ku8MBSuccess) {
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pvvoltage = node.getResponseBuffer(0x00) / 100.0f;
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//Serial.print("PV Voltage: ");
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//Serial.println(pvvoltage);
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pvcurrent = node.getResponseBuffer(0x01) / 100.0f;
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//Serial.print("PV Current: ");
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//Serial.println(pvcurrent);
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pvpower = (node.getResponseBuffer(0x02) | node.getResponseBuffer(0x03) << 16) / 100.0f;
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//Serial.print("PV Power: ");
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//Serial.println(pvpower);
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bvoltage = node.getResponseBuffer(0x04) / 100.0f;
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//Serial.print("Battery Voltage: ");
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//Serial.println(bvoltage);
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battChargeCurrent = node.getResponseBuffer(0x05) / 100.0f;
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//Serial.print("Battery Charge Current: ");
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//Serial.println(battChargeCurrent);
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}
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if(twoController == true) {
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result2 = node2.readInputRegisters(0x3100, 6);
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if (result2 == node2.ku8MBSuccess) {
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pvvoltage2 = node2.getResponseBuffer(0x00) / 100.0f;
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pvcurrent2 = node2.getResponseBuffer(0x01) / 100.0f;
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pvpower2 = (node2.getResponseBuffer(0x02) | node.getResponseBuffer(0x03) << 16) / 100.0f;
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bvoltage2 = node2.getResponseBuffer(0x04) / 100.0f;
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battChargeCurrent2 = node2.getResponseBuffer(0x05) / 100.0f;
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}
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}
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}
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@ -191,8 +270,14 @@ void loop()
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if (result == node.ku8MBSuccess) {
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battChargePower = (node.getResponseBuffer(0x00) | node.getResponseBuffer(0x01) << 16) / 100.0f;
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//Serial.print("Battery Charge Power: ");
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//Serial.println(battChargePower);
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}
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if(twoController == true) {
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result2 = node2.readInputRegisters(0x3106, 2);
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if (result2 == node2.ku8MBSuccess) {
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battChargePower2 = (node2.getResponseBuffer(0x00) | node2.getResponseBuffer(0x01) << 16) / 100.0f;
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}
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}
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}
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@ -211,7 +296,25 @@ void loop()
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} else {
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rs485DataReceived = false;
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//Serial.println("Read register 0x310D failed!");
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}
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}
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if(twoController == true) {
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result2 = node2.readInputRegisters(0x310D, 3);
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if (result2 == node2.ku8MBSuccess) {
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lcurrent2 = node2.getResponseBuffer(0x00) / 100.0f;
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//Serial.print("Load Current: ");
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//Serial.println(lcurrent);
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lpower2 = (node2.getResponseBuffer(0x01) | node2.getResponseBuffer(0x02) << 16) / 100.0f;
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//Serial.print("Load Power: ");
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//Serial.println(lpower);
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} else {
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rs485DataReceived = false;
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//Serial.println("Read register 0x310D failed!");
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}
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}
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}
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void AddressRegistry_311A() {
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@ -229,7 +332,24 @@ void loop()
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rs485DataReceived = false;
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//Serial.println("Read register 0x311A failed!");
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}
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}
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if(twoController == true) {
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result2 = node2.readInputRegisters(0x311A, 2);
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if (result2 == node2.ku8MBSuccess) {
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bremaining2 = node2.getResponseBuffer(0x00) / 1.0f;
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//Serial.print("Battery Remaining %: ");
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//Serial.println(bremaining);
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btemp2 = node2.getResponseBuffer(0x01) / 100.0f;
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//Serial.print("Battery Temperature: ");
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//Serial.println(btemp);
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} else {
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rs485DataReceived = false;
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//Serial.println("Read register 0x311A failed!");
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}
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}
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}
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void AddressRegistry_331B() {
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result = node.readInputRegisters(0x331B, 2);
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@ -249,4 +369,24 @@ void loop()
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rs485DataReceived = false;
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//Serial.println("Read register 0x331B failed!");
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}
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if(twoController == true) {
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result2 = node2.readInputRegisters(0x331B, 2);
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if (result2 == node2.ku8MBSuccess) {
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//battOverallCurrent = (node.getResponseBuffer(0x00)| node.getResponseBuffer(0x01) << 16) / 100.0f;
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// idk why this works not with arduino. with esp8266 it worked
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//battOverallCurrent_war = *((int16_t *)&battOverallCurrent_raw);
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//battOverallCurrent = 0.001 * battOverallCurrent_war;
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battOverallCurrent2 = (battChargeCurrent2 - lcurrent2);
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//Serial.print("Battery Discharge Current: ");
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//Serial.println(battOverallCurrent);
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} else {
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rs485DataReceived = false;
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//Serial.println("Read register 0x331B failed!");
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}
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}
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}
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