CRC issue when reading multiple meters

[jayvdw13]

whenever i connect multiple meters i get a timeout or a CRC error and a timeout error. here is my code `#include

include

float voltage1L1; float voltage1L2; float voltage1L3; float current1L1; float current1L2; float current1L3; float power1L1; float power1L2; float power1L3; float kwh1L1; float kwh1L2; float kwh1L3; float kwh1;

float voltage2L1; float voltage2L2; float voltage2L3; float current2L1; float current2L2; float current2L3; float power2L1; float power2L2; float power2L3; float kwh2L1; float kwh2L2; float kwh2L3; float kwh2;

float voltage3L1; float voltage3L2; float voltage3L3; float current3L1; float current3L2; float current3L3; float power3L1; float power3L2; float power3L3; float kwh3L1; float kwh3L2; float kwh3L3; float kwh3;

if defined ( USE_HARDWARESERIAL ) //for HWSERIAL

if defined ( ESP8266 ) //for ESP8266

SDM sdm(Serial1, 2400, 22, SERIAL_8N1); //config SDM

elif defined ( ESP32 ) //for ESP32

SDM sdm(Serial1, 2400, 22, SERIAL_8N1, SDM_RX_PIN, SDM_TX_PIN); //config SDM

else //for AVR

SDM sdm(Serial1, 2400, 22); //config SDM on Serial1 (if available!)

endif

else //for SWSERIAL

include //import SoftwareSerial library

if defined ( ESP8266 ) || defined ( ESP32 ) //for ESP

SoftwareSerial swSerSDM; //config SoftwareSerial SDM sdm(swSerSDM, 2400, 22, SWSERIAL_8N1, SDM_RX_PIN, SDM_TX_PIN); //config SDM

else //for AVR

SoftwareSerial swSerSDM(SDM_RX_PIN, SDM_TX_PIN); //config SoftwareSerial SDM sdm(swSerSDM, 2400, 22); //config SDM

endif

endif

                                                                                                                   //!
                                                                                                                                  //!

void setup(){ //!

Serial.begin(115200); SPIFFS.begin(true); sdm.begin(); }

//-------------------------------------------------------------------- void loop() { char bufout[10]; sprintf(bufout, "%c[1;0H", 27); Serial.print(bufout); //meter1 float voltage1l1 = sdm.readVal(SDM_PHASE_1_VOLTAGE, 0x01); Serial.print("Last ERROR: "); Serial.println(sdm.getErrCode(true)); delay(100); float voltage1l2 = sdm.readVal(SDM_PHASE_2_VOLTAGE, 0x01); Serial.print("Last ERROR: "); Serial.println(sdm.getErrCode(true)); delay(100); float voltage1l3 = sdm.readVal(SDM_PHASE_3_VOLTAGE, 0x01);

delay(100); voltage1L1 = voltage1l1; voltage1L2 = voltage1l2; voltage1L3 = voltage1l3; Serial.println(voltage1L1); Serial.println(voltage1L2); Serial.println(voltage1L3);

float current1l1 = sdm.readVal(SDM_PHASE_1_CURRENT, 0x01); Serial.print("Last ERROR: "); Serial.println(sdm.getErrCode(true)); delay(100); float current1l2 = sdm.readVal(SDM_PHASE_2_CURRENT, 0x01); Serial.print("Last ERROR: "); Serial.println(sdm.getErrCode(true)); delay(100); float current1l3 = sdm.readVal(SDM_PHASE_3_CURRENT, 0x01);

delay(100); current1L1 = current1l1; current1L2 = current1l2; current1L3 = current1l3; Serial.println(current1L1);
Serial.println(current1L2); Serial.println(current1L3);

float power1l1 = sdm.readVal(SDM_PHASE_1_POWER, 0x01); Serial.print("Last ERROR: "); Serial.println(sdm.getErrCode(true)); delay(100); float power1l2 = sdm.readVal(SDM_PHASE_2_POWER, 0x01); Serial.print("Last ERROR: "); Serial.println(sdm.getErrCode(true)); delay(100); float power1l3 = sdm.readVal(SDM_PHASE_3_POWER, 0x01); delay(100); power1L1 = power1l1; power1L2 = power1l2; power1L3 = power1l3;
Serial.println(power1L1); Serial.println(power1L2); Serial.println(power1L3);

float kwh01 = sdm.readVal(SDM_TOTAL_ACTIVE_ENERGY, 0x01); delay(100); float kwh1l1 = sdm.readVal(SDM_L1_IMPORT_ACTIVE_ENERGY, 0x01); delay(100); float kwh1l2 = sdm.readVal(SDM_L2_IMPORT_ACTIVE_ENERGY, 0x01); delay(100); float kwh1l3 = sdm.readVal(SDM_L3_IMPORT_ACTIVE_ENERGY, 0x01); delay(100); kwh1 = kwh01; kwh1L1 = kwh1l1; kwh1L2 = kwh1l2; kwh1L3 = kwh1l3; Serial.println(kwh1); Serial.println(kwh1l1); Serial.println(kwh1l2); Serial.println(kwh1l3);

//meter2 float voltage2l1 = sdm.readVal(SDM_PHASE_1_VOLTAGE, 0x02); delay(100); float voltage2l2 = sdm.readVal(SDM_PHASE_2_VOLTAGE, 0x02); delay(100); float voltage2l3 = sdm.readVal(SDM_PHASE_3_VOLTAGE, 0x02); delay(100); voltage1L1 = voltage2l1; voltage1L2 = voltage2l2; voltage1L3 = voltage2l3; Serial.println(voltage2L1);

float current2l1 = sdm.readVal(SDM_PHASE_1_CURRENT, 0x02); delay(100); float current2l2 = sdm.readVal(SDM_PHASE_2_CURRENT, 0x02); delay(100); float current2l3 = sdm.readVal(SDM_PHASE_3_CURRENT, 0x02); delay(100); current2L1 = current2l1; current2L2 = current2l2; current2L3 = current2l3; Serial.println(current2L1);

float power2l1 = sdm.readVal(SDM_PHASE_1_POWER, 0x02); delay(100); float power2l2 = sdm.readVal(SDM_PHASE_2_POWER, 0x02); delay(100); float power2l3 = sdm.readVal(SDM_PHASE_3_POWER, 0x02); delay(100); power2L1 = power2l1; power2L2 = power2l2; power2L3 = power2l3; Serial.println(power2L1);

float kwh02 = sdm.readVal(SDM_TOTAL_ACTIVE_ENERGY, 0x02); delay(100); float kwh2l1 = sdm.readVal(SDM_L1_IMPORT_ACTIVE_ENERGY, 0x02); delay(100); float kwh2l2 = sdm.readVal(SDM_L2_IMPORT_ACTIVE_ENERGY, 0x02); delay(100); float kwh2l3 = sdm.readVal(SDM_L3_IMPORT_ACTIVE_ENERGY, 0x02); delay(100); kwh2 = kwh02; kwh2L1 = kwh2l1; kwh2L2 = kwh2l2; kwh2L3 = kwh2l3; Serial.println(kwh2L1);

//meter3 float voltage3l1 = sdm.readVal(SDM_PHASE_1_VOLTAGE, 0x03); float voltage3l2 = sdm.readVal(SDM_PHASE_2_VOLTAGE, 0x03); float voltage3l3 = sdm.readVal(SDM_PHASE_3_VOLTAGE, 0x03);
voltage3L1 = voltage3l1; voltage3L2 = voltage3l2; voltage3L3 = voltage3l3; Serial.println(voltage3L1);

float current3l1 = sdm.readVal(SDM_PHASE_1_CURRENT, 0x03); float current3l2 = sdm.readVal(SDM_PHASE_2_CURRENT, 0x03); float current3l3 = sdm.readVal(SDM_PHASE_3_CURRENT, 0x03); current3L1 = current3l1; current3L2 = current3l2; current3L3 = current3l3; Serial.println(current3L1);

float power3l1 = sdm.readVal(SDM_PHASE_1_POWER, 0x03); float power3l2 = sdm.readVal(SDM_PHASE_2_POWER, 0x03); float power3l3 = sdm.readVal(SDM_PHASE_3_POWER, 0x03); power3L1 = power3l1; power3L2 = power3l2; power3L3 = power3l3; Serial.println(power3L1);

float kwh03 = sdm.readVal(SDM_TOTAL_ACTIVE_ENERGY, 0x03); float kwh3l1 = sdm.readVal(SDM_L1_IMPORT_ACTIVE_ENERGY, 0x03); float kwh3l2 = sdm.readVal(SDM_L2_IMPORT_ACTIVE_ENERGY, 0x03); float kwh3l3 = sdm.readVal(SDM_L3_IMPORT_ACTIVE_ENERGY, 0x03); kwh3 = kwh03; kwh3L1 = kwh3l1; kwh3L2 = kwh3l2; kwh3L3 = kwh3l3; Serial.println(kwh3L1);

}`

` //define user baudrate

define SDM_UART_BAUD 2400

//------------------------------------------------------------------------------

//------------------------------------------------------------------------------

define USE_HARDWARESERIAL

//------------------------------------------------------------------------------

if defined ( ESP8266 ) || defined ( ESP32 )

define SDM_RX_PIN 13

define SDM_TX_PIN 15

endif

//------------------------------------------------------------------------------

define DERE_PIN 22

//------------------------------------------------------------------------------

define SDM_UART_CONFIG SERIAL_8N1

//#define SDM_UART_CONFIG SWSERIAL_8N1

//------------------------------------------------------------------------------

define WAITING_TURNAROUND_DELAY 800

//------------------------------------------------------------------------------

define RESPONSE_TIMEOUT 600

//------------------------------------------------------------------------------ `

no changes where made to SDM.h or SDM.cpp

[jayvdw13]

01 04 00 0E 00 02 10 08 01 04 00 7F F8 84

here is an example of a request and answer from the meter

[jayvdw13]

03 04 00 0C 00 02 B0 2A 03 04 04 41 1C 96 E9 A3 90 another example

[jayvdw13]

01 04 00 04 00 02 30 0A 01 04 04 00 00 00 00 FB 84

i noticed i had two meters with the same id this is a request and answer after i fixed it