jeans/Tasmota
jeans/Tasmota
1
0
Fork 0
mirror of https://github.com/arendst/Tasmota.git synced 2025-07-25 11:46:31 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix for iem3155 wattmeter - CRC error, Power unit error, Energy total number type mismatch

Browse Source
This commit is contained in:
Vojtěch Kůrka 2021-08-22 11:09:44 +02:00
parent 01827670e8
commit 35698dbe64
2 changed files with 30 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
tasmota/my_user_config.h
View File

@ -778,6 +778,7 @@
//#define USE_IEM3000 // Add support for Schneider Electric iEM3000-Modbus series energy monitor (+0k8 code)
#define IEM3000_SPEED 19200 // iEM3000-Modbus RS485 serial speed (default: 19200 baud)
#define IEM3000_ADDR 1 // iEM3000-Modbus modbus address (default: 0x01)
// #ifdef IEM3000_IEM3155 //Compatibility fix for Iem3155 (changes Power and Energy total readout)
//#define USE_WE517 // Add support for Orno WE517-Modbus energy monitor (+1k code)
// -- Low level interface devices -----------------

32
tasmota/xnrg_16_iem3000.ino
View File

@ -51,9 +51,19 @@ const uint16_t Iem3000_start_addresses[] {
0x0bef, // 7 . IEM3000_P2_POWER (2/Float32) [KW] Active Power Phase 2
0x0bf1, // 8 . IEM3000_P3_POWER (2/Float32) [KW] Active Power Phase 3
0x0c25, // 9 . IEM3000_FREQUENCY (2/Float32) [Hz] Frequency
#ifdef IEM3000_IEM3155
0xb02b, // 10 . IEM3000_TOTAL_ACTIVE (2/Float32) [Wh] Total Active Energy Import
#else
0xb02b, // 10 . IEM3000_TOTAL_ACTIVE (4/Int64) [Wh] Total Active Energy Import
#endif
};
#ifdef IEM3000_IEM3155
#define FLOAT_ParamLimit 11
#else
#define FLOAT_ParamLimit 10
#endif
struct IEM3000 {
uint8_t read_state = 0;
uint8_t send_retry = 0;
@ -65,12 +75,12 @@ void IEM3000Every250ms(void)
{
bool data_ready = Iem3000Modbus->ReceiveReady();
uint8_t reg_count = 4;
if (Iem3000.read_state < 10) {
if (Iem3000.read_state < FLOAT_ParamLimit) {
reg_count = 2;
}
if (data_ready) {
uint8_t buffer[14]; // At least 5 + sizeof(int64_t) = 13
uint8_t buffer[16]; // At least 5 + sizeof(int64_t) = 13
uint32_t error = Iem3000Modbus->ReceiveBuffer(buffer, reg_count);
AddLogBuffer(LOG_LEVEL_DEBUG_MORE, buffer, Iem3000Modbus->ReceiveCount());
@ -85,7 +95,7 @@ void IEM3000Every250ms(void)
// 01 04 04 43 66 33 34 1B 38 = 230.2 Volt
float value;
int64_t value64;
if(Iem3000.read_state >= 0 && Iem3000.read_state < 10) {
if(Iem3000.read_state >= 0 && Iem3000.read_state < FLOAT_ParamLimit) {
((uint8_t*)&value)[3] = buffer[3]; // Get float values
((uint8_t*)&value)[2] = buffer[4];
((uint8_t*)&value)[1] = buffer[5];
@ -127,15 +137,27 @@ void IEM3000Every250ms(void)
break;
case 6:
#ifdef IEM3000_IEM3155
Energy.active_power[0] = value*1000;
#else
Energy.active_power[0] = value;
#endif
break;
case 7:
#ifdef IEM3000_IEM3155
Energy.active_power[1] = value*1000;
#else
Energy.active_power[1] = value;
#endif
break;
case 8:
#ifdef IEM3000_IEM3155
Energy.active_power[2] = value*1000;
#else
Energy.active_power[2] = value;
#endif
break;
case 9:
@ -143,7 +165,11 @@ void IEM3000Every250ms(void)
break;
case 10:
#ifdef IEM3000_IEM3155
EnergyUpdateTotal(value, true);
#else
EnergyUpdateTotal(value64 * 0.001f, true); // 1125 => 1.125
#endif
break;
}