Arduino code issue

Good Morning Sir, Can you please help here.

Good Morning Sir, Can you advise how to take a hex dump. Is there a flag that can be enabled to produce the hex dump on debug port?

Good Morning Sir,

I added a bit of code to get the trace in the int readDLMSPacket(gxByteBuffer* data, gxReplyData* reply) sub-routine.
The code looks like this
// Read DLMS Data frame from the device.
int readDLMSPacket(
gxByteBuffer* data,
gxReplyData* reply)

{
char* hex;
int resend = 0, ret = DLMS_ERROR_CODE_OK;
if (data->size == 0)
{
return DLMS_ERROR_CODE_OK;
}
reply->complete = 0;
frameData.size = 0;
frameData.position = 0;

//Send Trace
hex = bb_toHexString(data);
GXTRACE("TX:", hex);
GXTRACE("\n", NULL);
free(hex);
//Send data.
if ((ret = Serial.write(data->data, data->size)) != data->size)
{
//If failed to write all bytes.
GXTRACE(GET_STR_FROM_EEPROM("Failed to write all data to the serial port.\n"), NULL);
}

//Loop until packet is complete.
do
{
if ((ret = com_readSerialPort(0x7E)) != 0)
{
if (ret == DLMS_ERROR_CODE_RECEIVE_FAILED && resend == RESEND_COUNT)
{
return DLMS_ERROR_CODE_SEND_FAILED;
}
++resend;
GXTRACE_INT(GET_STR_FROM_EEPROM("Data send failed. Try to resend."), resend);
if ((ret = Serial.write(data->data, data->size)) != data->size)
{
//If failed to write all bytes.
GXTRACE(GET_STR_FROM_EEPROM("Failed to write all data to the serial port.\n"), NULL);
}
}
ret = Client.GetData(&frameData, reply);
if (ret != 0 && ret != DLMS_ERROR_CODE_FALSE)
{
break;
}
} while (reply->complete == 0);
hex=bb_toHexString(&frameData);
GXTRACE("RX:", hex);
GXTRACE("\n", NULL);
return ret;
}

On the debug Serial Terminal I get the following dump

<HT> :Start application<HT> :Start reading<HT> :TX:7E A0 07 03 21 93 0F 01 7E<HT> :<LF>
<HT> :RX:7E A0 20 21 03 73 73 98 81 80 14 05 02 03 40 06 02 03 40 07 04 00 00 00 01 08 04 00 00 00 01 B7 29 7E<HT> :<LF>
<HT> :TX:7E A0 2B 03 21 10 FB AF E6 E6 00 60 1D A1 09 06 07 60 85 74 05 08 01 01 BE 10 04 0E 01 00 00 00 06 5F 1F 04 00 40 1E 1D FF FF E7 25 7E<HT> :<LF>
<HT> :RX:7E A0 37 21 03 30 6C 7C E6 E7 00 61 29 A1 09 06 07 60 85 74 05 08 01 01 A2 03 02 01 00 A3 05 A1 03 02 01 00 BE 10 04 0E 08 00 06 5F 1F 04 00 00 00 10 02 EE 00 07 A6 F3 7E<HT> :<LF>
<HT> :TX:7E A0 19 03 21 32 6F D8 E6 E6 00 C0 01 C1 00 01 00 00 2B 01 02 FF 02 00 0B B6 7E<HT> :<LF>
<HT> :RX:7E A0 15 21 03 52 5D 8A E6 E7 00 C4 01 C1 00 06 00 00 07 31 7F 75 7E<HT> :<LF>
<HT> :Invocation Counter: 1841<HT> :TX:7E A0 23 03 21 54 03 4E E6 E6 00 62 15 80 01 00 BE 10 04 0E 01 00 00 00 06 5F 1F 04 00 40 1E 1D 02 EE CE 40 7E<HT> :<LF>
<HT> :RX:7E A0 0B 21 03 63 B4 C7 63 00 E3 B3 7E<HT> :<LF>
<HT> :TX:7E A0 07 03 21 53 03 C7 7E<HT> :<LF>
<HT> :RX:7E A0 20 21 03 73 73 98 81 80 14 05 02 03 40 06 02 03 40 07 04 00 00 00 01 08 04 00 00 00 01 B7 29 7E<HT> :<LF>
<HT> :TX:7E A0 07 03 41 93 5A 64 7E<HT> :<LF>
<HT> :RX:7E A0 20 41 03 73 3E 9D 81 80 14 05 02 03 40 06 02 03 40 07 04 00 00 00 01 08 04 00 00 00 01 B7 29 7E<HT> :<LF>
<HT> :TX:7E A0 63 03 41 10 C1 39 E6 E6 00 60 55 A1 09 06 07 60 85 74 05 08 01 03 A6 0A 04 08 31 32 33 34 35 36 37 38 8A 02 07 80 8B 07 60 85 74 05 08 02 01 AC 0A 80 08 4E 43 43 4D 53 45 4C 4C BE 23 04 21 21 1F 30 00 00 07 32 58 F9 3B 61 A2 68 60 3A C8 6C 3A 8E B6 DC 87 27 14 2F 29 5A 22 27 38 75 B9 E7 41 B2 7E<HT> :<LF>
<HT> :RX:7E A0 56 41 03 30 7E FC E6 E7 00 61 48 A1 09 06 07 60 85 74 05 08 01 03 A2 03 02 01 00 A3 05 A1 03 02 01 00 A4 0A 04 08 43 52 59 00 00 11 83 A5 BE 23 04 21 28 1F 30 00 00 07 32 11 1E 1E 6C 79 1E 78 5B 3F 93 9A 0B 66 BF C7 E3 43 4C 3B 22 E3 61 7D 42 16 06 58 75 7E<HT> :<LF>
<HT> :com_initializeConnection SUCCEEDED 0<HT> :TX:7E A0 2C 03 41 32 9F 9F E6 E6 00 C8 1E 30 00 00 07 33 B7 96 74 D7 23 65 91 6E 2E BA 76 13 02 78 26 80 1F D7 6E ED 08 2A 0E DC 3D 6C 77 7E<HT> :<LF>
<HT> :RX:7E A0 29 41 03 52 D6 54 E6 E7 00 CC 1B 20 00 00 07 33 F1 1D D5 8F F2 B5 ED 62 D6 2E 32 8E BC 80 E4 73 B8 65 2D C2 BB 32 F4 51 7E<HT> :<LF>
<HT> :com_read failed. 285<HT> :Logical Device NameIndex: 2 Value: <LF>
<HT> :TX:7E A0 2C 03 41 54 AF 99 E6 E6 00 C8 1E 30 00 00 07 34 E9 B4 B0 75 EB 65 1D 4C AA B5 B9 43 2A 0F 10 ED E6 AD EB F2 61 EC 14 87 C6 FD 17 7E<HT> :<LF>
<HT> :RX:7E A0 1A 41 03 74 DD 79 E6 E7 00 CC 0C 20 00 00 07 34 9A 7B CF 84 EB 0D F9 27 4A 7E<HT> :<LF>
<HT> :com_read failed. 285<HT> :TX:7E A0 2C 03 41 76 BF 9B E6 E6 00 C8 1E 30 00 00 07 35 07 62 50 60 03 C6 B1 12 FC 29 12 02 58 1A D6 BC CB 0C 77 39 17 DC C3 B2 DB C3 CA 7E<HT> :<LF>
<HT> :RX:7E A0 25 41 03 96 CA 43 E6 E7 00 CC 17 20 00 00 07 35 E4 DA AE 93 07 BE DD DB 6A 09 FD C8 5C AF DF 0D 39 8D 2D 95 7E<HT> :<LF>
<HT> :com_read failed. 285<HT> :ClockIndex: 2 Value: 01/01/1970 00:00:00 UTC+00:00<LF>
Index: 3 Value: 0<LF>
Index: 4 Value: 0<LF>
Index: 5 Value: 01/01/1970 00:00:00 UTC+00:00<LF>
Index: 6 Value: 01/01/1970 00:00:00 UTC+00:00<LF>
Index: 7 Value: 0<LF>
Index: 8 Value: 0<LF>
Index: 9 Value: 0<LF>
<HT> :TX:7E A0 36 03 41 98 C0 8A E6 E6 00 62 28 80 01 00 BE 23 04 21 21 1F 30 00 00 07 36 0D EE 0A 5D 41 CE 1B 42 80 FC 0C 7D 8C 42 18 1A 35 26 8A AD 0A 34 F5 9B 8D B7 97 AB 7E<HT> :<LF>
<HT> :RX:7E A0 0B 41 03 63 F9 C2 63 00 E3 B3 7E<HT> :<LF>
<HT> :TX:7E A0 07 03 41 53 56 A2 7E<HT> :<LF>
<HT> :RX:7E A0 20 41 03 73 3E 9D 81 80 14 05 02 03 40 06 02 03 40 07 04 00 00 00 01 08 04 00 00 00 01 B7 29 7E<HT> :<LF>

Please help to identify the failure of Logical Device Name read if this data is correct or advise the correct code snippet to get the correct dump.

Best Regards

Thank you Sir,

I ran the Gurux Python on the same meter and it shows correct loginal name with no errors.
Here is the dump. Arduino code should also produce the same result. Any advise if I am missing anything.?

PS D:\KIGG\GURUX-06-06-2025\Gurux.DLMS.Python-master\Gurux.DLMS.Client.Example.python> python main.py -S COM7:9600:8None1 -c 32 -a Low -P NCCMSELL -C Encryption -T 4142434445464748 -A 4E43434D534544434C637279705F454E -B 4E43434D534544434C637279705F454E -v 0.0.43.1.2.255 -d India -t Verbose
gurux_dlms version: 1.0.181
gurux_net version: 1.0.22
gurux_serial version: 1.0.21
Authentication: 1
ClientAddress: 0x20
ServerAddress: 0x1
Standard: 1
Security: 32
System title: 41 42 43 44 45 46 47 48
Authentication key: 4E 43 43 4D 53 45 44 43 4C 63 72 79 70 5F 45 4E
Block cipher key: 4E 43 43 4D 53 45 44 43 4C 63 72 79 70 5F 45 4E
TX: 12:52:57 7E A0 07 03 21 93 0F 01 7E
RX: 12:52:57 7E A0 20 21 03 73 73 98 81 80 14 05 02 03 40 06 02 03 40 07 04 00 00 00 01 08 04 00 00 00 01 B7 29 7E
TX: 12:52:57 7E A0 2B 03 21 10 FB AF E6 E6 00 60 1D A1 09 06 07 60 85 74 05 08 01 01 BE 10 04 0E 01 00 00 00 06 5F 1F 04 00 40 1E 5D FF FF 91 23 7E
RX: 12:52:58 7E A0 37 21 03 30 6C 7C E6 E7 00 61 29 A1 09 06 07 60 85 74 05 08 01 01 A2 03 02 01 00 A3 05 A1 03 02 01 00 BE 10 04 0E 08 00 06 5F 1F 04 00 00 00 10 02 EE 00 07 A6 F3 7E
TX: 12:52:58 7E A0 19 03 21 32 6F D8 E6 E6 00 C0 01 C1 00 01 00 00 2B 01 02 FF 02 00 0B B6 7E
RX: 12:52:58 7E A0 15 21 03 52 5D 8A E6 E7 00 C4 01 C1 00 06 00 00 07 43 EA 25 7E
Invocation counter: 1860
DisconnectRequest
TX: 12:52:58 7E A0 07 03 21 53 03 C7 7E
RX: 12:52:58 7E A0 20 21 03 73 73 98 81 80 14 05 02 03 40 06 02 03 40 07 04 00 00 00 01 08 04 00 00 00 01 B7 29 7E
TX: 12:52:58 7E A0 07 03 41 93 5A 64 7E
RX: 12:52:58 7E A0 20 41 03 73 3E 9D 81 80 14 05 02 03 40 06 02 03 40 07 04 00 00 00 01 08 04 00 00 00 01 B7 29 7E
TX: 12:52:58 7E A0 57 03 41 10 DF 07 E6 E6 00 60 49 A1 09 06 07 60 85 74 05 08 01 03 A6 0A 04 08 41 42 43 44 45 46 47 48 8A 02 07 80 8B 07 60 85 74 05 08 02 01 AC 0A 80 08 4E 43 43 4D 53 45 4C 4C BE 17 04 15 21 13 20 00 00 07 44 71 AB C4 B4 8D 04 90 CF 84 E4 33 E3 A8 BD A8 E8 7E
RX: 12:52:59 7E A0 4A 41 03 30 EB A8 E6 E7 00 61 3C A1 09 06 07 60 85 74 05 08 01 03 A2 03 02 01 00 A3 05 A1 03 02 01 00 A4 0A 04 08 43 52 59 00 00 11 83 A5 BE 17 04 15 28 13 20 00 00 07 44 5A 1C 8D 50 DA 3A 7F 9E 02 7E C5 27 CE 4E 45 EF 7E
Decrypted PDU: C0 01 C1 00 01 00 00 2A 00 00 FF 02 00
<GetRequest>
<GetRequestNormal>
<InvokeIdAndPriority Value="C1" />
<AttributeDescriptor>
<ClassId Value="0001" />
<InstanceId Value="00002A0000FF" />
<AttributeId Value="02" />
</AttributeDescriptor>
</GetRequestNormal>
</GetRequest>

TX: 12:52:59 7E A0 20 03 41 32 AB 08 E6 E6 00 C8 12 20 00 00 07 45 64 F4 18 8F 42 A1 9C 40 09 66 2A 44 18 69 44 7E
Decrypted PDU: C4 01 C1 00 0A 10 43 52 59 30 30 30 30 4D 48 31 31 34 37 38 31 33
<GetResponse>
<GetResponseNormal>
<InvokeIdAndPriority Value="C1" />
<Result>
<Data>
<String Value="CRY0000MH1147813" />
</Data>
</Result>
</GetResponseNormal>
</GetResponse>

RX: 12:52:59 7E A0 29 41 03 52 D6 54 E6 E7 00 CC 1B 20 00 00 07 45 67 6C 28 60 3C 20 93 09 41 4C 40 3A CD 6C 5D 25 13 A6 14 6F 61 94 BC 68 7E
CRY0000MH1147813
DisconnectRequest
TX: 12:52:59 7E A0 11 03 41 54 D2 5E E6 E6 00 62 03 80 01 00 BD 9B 7E
RX: 12:52:59 7E A0 0B 41 03 63 F9 C2 63 00 E3 B3 7E
TX: 12:52:59 7E A0 07 03 41 53 56 A2 7E
RX: 12:52:59 7E A0 20 41 03 73 3E 9D 81 80 14 05 02 03 40 06 02 03 40 07 04 00 00 00 01 08 04 00 00 00 01 B7 29 7E

You are right sir. I corrected to DLMS_SECURITY_ENCRYPTION and now I am able to read Data Objects correctly like Make , Serial Number. But when I use Data type as register the com_read fails and the dump is like this

12-06-2025 17:00:34.296 [RX] - Start Application<HT> :TX:7E A0 07 03 21 93 0F 01 7E<HT> :<LF>
<HT> :RX:7E A0 20 21 03 73 73 98 81 80 14 05 02 03 40 06 02 03 40 07 04 00 00 00 01 08 04 00 00 00 01 B7 29 7E<HT> :<LF>
<HT> :TX:7E A0 2B 03 21 10 FB AF E6 E6 00 60 1D A1 09 06 07 60 85 74 05 08 01 01 BE 10 04 0E 01 00 00 00 06 5F 1F 04 00 40 1E 1D FF FF E7 25 7E<HT> :<LF>
<HT> :RX:7E A0 37 21 03 30 6C 7C E6 E7 00 61 29 A1 09 06 07 60 85 74 05 08 01 01 A2 03 02 01 00 A3 05 A1 03 02 01 00 BE 10 04 0E 08 00 06 5F 1F 04 00 00 00 10 02 EE 00 07 A6 F3 7E<HT> :<LF>
<HT> :TX:7E A0 19 03 21 32 6F D8 E6 E6 00 C0 01 C1 00 01 00 00 2B 01 02 FF 02 00 0B B6 7E<HT> :<LF>
<HT> :RX:7E A0 15 21 03 52 5D 8A E6 E7 00 C4 01 C1 00 06 00 00 08 25 12 A0 7E<HT> :<LF>
<HT> :Invocation Counter: 2085<HT> :TX:7E A0 23 03 21 54 03 4E E6 E6 00 62 15 80 01 00 BE 10 04 0E 01 00 00 00 06 5F 1F 04 00 40 1E 1D 02 EE CE 40 7E<HT> :<LF>
<HT> :RX:7E A0 0B 21 03 63 B4 C7 63 00 E3 B3 7E<HT> :<LF>
<HT> :TX:7E A0 07 03 21 53 03 C7 7E<HT> :<LF>
<HT> :RX:7E A0 20 21 03 73 73 98 81 80 14 05 02 03 40 06 02 03 40 07 04 00 00 00 01 08 04 00 00 00 01 B7 29 7E<HT> :<LF>
<HT> :TX:7E A0 07 03 41 93 5A 64 7E<HT> :<LF>
<HT> :RX:7E A0 20 41 03 73 3E 9D 81 80 14 05 02 03 40 06 02 03 40 07 04 00 00 00 01 08 04 00 00 00 01 B7 29 7E<HT> :<LF>
<HT> :TX:7E A0 57 03 41 10 DF 07 E6 E6 00 60 49 A1 09 06 07 60 85 74 05 08 01 03 A6 0A 04 08 31 32 33 34 35 36 37 38 8A 02 07 80 8B 07 60 85 74 05 08 02 01 AC 0A 80 08 4E 43 43 4D 53 45 4C 4C BE 17 04 15 21 13 20 00 00 08 26 5A 02 41 90 8D 1D DB A4 0C A0 B7 5B 8F 1F 74 18 7E<HT> :<LF>
<HT> :RX:7E A0 4A 41 03 30 EB A8 E6 E7 00 61 3C A1 09 06 07 60 85 74 05 08 01 03 A2 03 02 01 00 A3 05 A1 03 02 01 00 A4 0A 04 08 43 52 59 00 00 11 83 A5 BE 17 04 15 28 13 20 00 00 08 26 03 2F 1C A6 0F 0E B3 46 10 8B A2 F6 C9 EE C3 9C 7E<HT> :<LF>
<HT> :TX:7E A0 20 03 41 32 AB 08 E6 E6 00 C8 12 20 00 00 08 27 6B 85 5B EE 60 DB D2 8B D2 87 70 83 86 CF 76 7E<HT> :<LF>
<HT> :RX:7E A0 1D 41 03 52 C8 6A E6 E7 00 CC 0F 20 00 00 08 27 1D A1 11 BE 3F 5A 7E 8E 68 63 4E 46 7E<HT> :<LF>
<HT> :TX:7E A0 20 03 41 54 9B 0E E6 E6 00 C8 12 20 00 00 08 28 BC 01 79 64 8D FA 7D CE AF 5C 82 D5 77 AF 73 7E<HT> :<LF>
<HT> :RX:7E A0 1C 41 03 74 47 32 E6 E7 00 CC 0E 20 00 00 08 28 87 F3 69 B8 87 33 70 A2 A6 00 AC 7E<HT> :<LF>
<HT> :com_read failed. 2580.000000 KWh<HT> :TX:7E A0 2A 03 41 76 25 D0 E6 E6 00 62 1C 80 01 00 BE 17 04 15 21 13 20 00 00 08 29 7E 1A D0 1A FA 72 79 2F 13 AB E7 50 AA 6D 0E 2F 7E<HT> :<LF>
<HT> :RX:7E A0 0B 41 03 63 F9 C2 63 00 E3 B3 7E<HT> :<LF>
<HT> :TX:7E A0 07 03 41 53 56 A2 7E<HT> :<LF>
<HT> :RX:7E A0 20 41 03 73 3E 9D 81 80 14 05 02 03 40 06 02 03 40 07 04 00 00 00 01 08 04 00 00 00 01 B7 29 7E<HT> :<LF>

The code used was

int com_readActive()
{
int ret;
char str[50];
char* data = NULL;
float scale;
float active_energy,reactive_energy,apparent_energy;
//Initialize connection.
ret = com_initializeConnection();
if (ret != DLMS_ERROR_CODE_OK)
{
GXTRACE_INT(PSTR("F"), ret);

return ret;
}

gxRegister reg1;

cosem_init(BASE(reg1), DLMS_OBJECT_TYPE_REGISTER, "1.0.1.8.0.255"); // OBis for Cum Active Energy (Imp)
com_read(BASE(reg1), 3); // Read Scaler and Units
com_read(BASE(reg1), 2); // Read Value

active_energy= var_toInteger(&reg1.value) *pow(10, reg1.scaler); // Read Active Energy Value by using var_toInteger()
sprintf(str, "%f KWh", active_energy);
Serial2.print(str);
obj_clear(BASE(reg1));
free(data);
com_close();

}

Request you to help with this error.

Thank You and Regards

Good Morning Sir,

Could you take a look at this latest issue where I am able to read the data objects but not register objects using ciper.?

Thank You

Thank You Sir,

I tried but there is a error like this
error: 'dlmsVARIANT' {aka 'struct tagdlmsVARIANT'} has no member named 'fltVal'
1112 | active_energy=reg1.value.fltVal * pow(10, reg1.scaler);

Please advise

I also tried to check the type of data using reg1.value.vt but
Thank you and best regards

Here is the hex dump

Start Application<HT> :Start reading<HT> :TX:7E A0 07 03 21 93 0F 01 7E<HT> :<LF>
<HT> :RX:7E A0 20 21 03 73 73 98 81 80 14 05 02 03 40 06 02 03 40 07 04 00 00 00 01 08 04 00 00 00 01 B7 29 7E<HT> :<LF>
<HT> :TX:7E A0 2B 03 21 10 FB AF E6 E6 00 60 1D A1 09 06 07 60 85 74 05 08 01 01 BE 10 04 0E 01 00 00 00 06 5F 1F 04 00 40 1E 1D FF FF E7 25 7E<HT> :<LF>
<HT> :RX:7E A0 37 21 03 30 6C 7C E6 E7 00 61 29 A1 09 06 07 60 85 74 05 08 01 01 A2 03 02 01 00 A3 05 A1 03 02 01 00 BE 10 04 0E 08 00 06 5F 1F 04 00 00 00 10 02 EE 00 07 A6 F3 7E<HT> :<LF>
<HT> :TX:7E A0 19 03 21 32 6F D8 E6 E6 00 C0 01 C1 00 01 00 00 2B 01 02 FF 02 00 0B B6 7E<HT> :<LF>
<HT> :RX:7E A0 15 21 03 52 5D 8A E6 E7 00 C4 01 C1 00 06 00 00 08 CA EB BF 7E<HT> :<LF>
<HT> :Invocation Counter: 2250<HT> :TX:7E A0 23 03 21 54 03 4E E6 E6 00 62 15 80 01 00 BE 10 04 0E 01 00 00 00 06 5F 1F 04 00 40 1E 1D 02 EE CE 40 7E<HT> :<LF>
<HT> :RX:7E A0 0B 21 03 63 B4 C7 63 00 E3 B3 7E<HT> :<LF>
<HT> :TX:7E A0 07 03 21 53 03 C7 7E<HT> :<LF>
<HT> :RX:7E A0 20 21 03 73 73 98 81 80 14 05 02 03 40 06 02 03 40 07 04 00 00 00 01 08 04 00 00 00 01 B7 29 7E<HT> :<LF>
<HT> :TX:7E A0 07 03 41 93 5A 64 7E<HT> :<LF>
<HT> :RX:7E A0 20 41 03 73 3E 9D 81 80 14 05 02 03 40 06 02 03 40 07 04 00 00 00 01 08 04 00 00 00 01 B7 29 7E<HT> :<LF>
<HT> :TX:7E A0 57 03 41 10 DF 07 E6 E6 00 60 49 A1 09 06 07 60 85 74 05 08 01 03 A6 0A 04 08 31 32 33 34 35 36 37 38 8A 02 07 80 8B 07 60 85 74 05 08 02 01 AC 0A 80 08 4E 43 43 4D 53 45 4C 4C BE 17 04 15 21 13 20 00 00 08 CB 44 DA F2 81 A1 FC E2 A0 AD 77 84 3C F0 D2 96 10 7E<HT> :<LF>
<HT> :RX:7E A0 4A 41 03 30 EB A8 E6 E7 00 61 3C A1 09 06 07 60 85 74 05 08 01 03 A2 03 02 01 00 A3 05 A1 03 02 01 00 A4 0A 04 08 43 52 59 00 00 11 83 A5 BE 17 04 15 28 13 20 00 00 08 CB CF EC E8 5F B7 27 CB 56 93 83 29 50 16 08 7C 88 7E<HT> :<LF>
<HT> :com_initializeConnection SUCCEEDED 0<HT> :TX:7E A0 20 03 41 32 AB 08 E6 E6 00 C8 12 20 00 00 08 CC 80 0C 15 C2 19 94 4F CE 21 BF 58 8E 61 F6 57 7E<HT> :<LF>
<HT> :RX:7E A0 2F 41 03 52 4C 1F E6 E7 00 CC 21 20 00 00 08 CC A1 A6 C2 3C 97 D7 08 2A B8 A7 B6 DB 3E 9C 9D F9 3D 18 39 F6 02 3E 22 42 AE 6A 7C C0 A9 89 7E<HT> :<LF>
<HT> :Meter Make:Index: 2 Value: Sinhal Udyog Pvt. Ltd.<LF>
<HT> :TX:7E A0 20 03 41 54 9B 0E E6 E6 00 C8 12 20 00 00 08 CD 6F 04 CB 08 AD BC 39 51 C1 0B F6 D1 8C A3 B3 7E<HT> :<LF>
<HT> :RX:7E A0 1A 41 03 74 DD 79 E6 E7 00 CC 0C 20 00 00 08 CD 09 B3 CD 19 16 B5 D8 A0 4A 7E<HT> :<LF>
<HT> :TX:7E A0 20 03 41 76 8B 0C E6 E6 00 C8 12 20 00 00 08 CE EA CF 49 4B F3 AF F3 FC FF 70 ED 00 BE 0C 54 7E<HT> :<LF>
<HT> :RX:7E A0 25 41 03 96 CA 43 E6 E7 00 CC 17 20 00 00 08 CE BD 2E B0 29 6A E2 48 8B 5D 32 1C 57 E1 BF 66 BD 0E 1A 26 E1 7E<HT> :<LF>
<HT> :ClockIndex: 2 Value: 06/16/2025 20:19:34 UTC+05:30<LF>
Index: 3 Value: -330<LF>
Index: 4 Value: 0<LF>
Index: 5 Value: 01/01/1970 00:00:00 UTC+00:00<LF>
Index: 6 Value: 01/01/1970 00:00:00 UTC+00:00<LF>
Index: 7 Value: 0<LF>
Index: 8 Value: 0<LF>
Index: 9 Value: 0<LF>
<HT> :TX:7E A0 20 03 41 98 FB 02 E6 E6 00 C8 12 20 00 00 08 CF 8F 54 80 1A 04 5F 6E E0 16 07 96 EA 59 40 77 7E<HT> :<LF>
<HT> :RX:7E A0 1D 41 03 B8 9C 22 E6 E7 00 CC 0F 20 00 00 08 CF 4F 19 05 6F 72 B7 A5 D1 96 41 DB 7C 7E<HT> :<LF>
<HT> :TX:7E A0 20 03 41 BA EB 00 E6 E6 00 C8 12 20 00 00 08 D0 D4 96 FA 10 15 9B CF DB A9 AB 74 36 6A A2 75 7E<HT> :<LF>
<HT> :RX:7E A0 1C 41 03 DA 33 7E E6 E7 00 CC 0E 20 00 00 08 D0 C7 42 45 E2 3D 0F 43 BF C5 D7 66 7E<HT> :<LF>
<HT> :com_read failed. 258