Add Schneider kWh meter

Author: mstegen

SmartEVSE-3/include/main.h

@@ -361,7 +361,7 @@
 #define EM_EASTRON1P 10
 #define EM_FINDER_7M 11
 #define EM_SINOTIMER 12
-#define EM_UNUSED_SLOT1 13
+#define EM_SCHNEIDER 13
 #define EM_UNUSED_SLOT2 14
 #define EM_UNUSED_SLOT3 15
 #define EM_UNUSED_SLOT4 16

SmartEVSE-3/src/glcd.cpp

@@ -1225,13 +1225,13 @@ void GLCDMenu(uint8_t Buttons) {
                     case MENU_MAINSMETER:
                         do {
                             value = MenuNavInt(Buttons, value, MenuStr[LCDNav].Min, MenuStr[LCDNav].Max);
-                        } while (value >= EM_UNUSED_SLOT1 && value <= EM_UNUSED_SLOT4);
+                        } while (value >= EM_UNUSED_SLOT2 && value <= EM_UNUSED_SLOT4);
                         setItemValue(LCDNav, value);
                         break;
                     case MENU_EVMETER:                                          // do not display the Sensorbox or unused slots here
                         do {
                             value = MenuNavInt(Buttons, value, MenuStr[LCDNav].Min, MenuStr[LCDNav].Max);
-                        } while (value == EM_SENSORBOX || (value >= EM_UNUSED_SLOT1 && value <= EM_UNUSED_SLOT4));
+                        } while (value == EM_SENSORBOX || (value >= EM_UNUSED_SLOT2 && value <= EM_UNUSED_SLOT4));
                         setItemValue(LCDNav, value);
                         break;
                     case MENU_WIFI:

SmartEVSE-3/src/main.cpp

@@ -2771,6 +2771,7 @@ void ModbusRequestLoop() {
                             case EM_EASTRON3P_INV:
                             case EM_ABB:
                             case EM_FINDER_7M:
+                            case EM_SCHNEIDER:
                                 updated = 0;
                                 break;
                             default:

SmartEVSE-3/src/meter.cpp

@@ -20,12 +20,12 @@ struct EMstruct EMConfig[EM_CUSTOM + 1] = {
     {"InvEastrn", ENDIANESS_HBF_HWF, 4, MB_DATATYPE_FLOAT32,    0x0, 0,    0x6, 0,   0x34, 0,  0x48 , 0,0x4A  , 0}, // Since Eastron SDM series are bidirectional, sometimes they are connected upsidedown, so positive current becomes negative etc.; Eastron SDM630 (V / A / W / kWh) max read count 80
     {"ABB",       ENDIANESS_HBF_HWF, 3, MB_DATATYPE_INT32,   0x5B00, 1, 0x5B0C, 2, 0x5B14, 2, 0x5000, 2,0x5004, 2}, // ABB B23 212-100 (0.1V / 0.01A / 0.01W / 0.01kWh) RS485 wiring reversed / max read count 125
     {"SolarEdge", ENDIANESS_HBF_HWF, 3, MB_DATATYPE_INT16,    40196, 0,  40191, 0,  40206, 0,  40234, 3, 40226, 3}, // SolarEdge SunSpec (0.01V (16bit) / 0.1A (16bit) / 1W  (16bit) / 1 Wh (32bit))
-    {"WAGO",      ENDIANESS_HBF_HWF, 3, MB_DATATYPE_FLOAT32, 0x5002, 0, 0x500C, 0, 0x5012, -3, 0x600C, 0,0x6018, 0}, // WAGO 879-30x0 (V / A / kW / kWh)//TODO maar WAGO heeft ook totaal
+    {"WAGO",      ENDIANESS_HBF_HWF, 3, MB_DATATYPE_FLOAT32, 0x5002, 0, 0x500C, 0, 0x5012,-3, 0x600C, 0,0x6018, 0}, // WAGO 879-30x0 (V / A / kW / kWh)//TODO maar WAGO heeft ook totaal
     {"API",       ENDIANESS_HBF_HWF, 3, MB_DATATYPE_FLOAT32, 0x5002, 0, 0x500C, 0, 0x5012, 3, 0x6000, 0,0x6018, 0}, // WAGO 879-30x0 (V / A / kW / kWh)
     {"Eastron1P", ENDIANESS_HBF_HWF, 4, MB_DATATYPE_FLOAT32,    0x0, 0,    0x6, 0,   0x0C, 0,  0x48 , 0,0x4A  , 0}, // Eastron SDM630 (V / A / W / kWh) max read count 80
     {"Finder 7M", ENDIANESS_HBF_HWF, 4, MB_DATATYPE_FLOAT32,   2500, 0,   2516, 0,   2536, 0,   2638, 3,     0, 0}, // Finder 7M.38.8.400.0212 (V / A / W / Wh) / Backlight 10173
     {"Sinotimer", ENDIANESS_HBF_HWF, 4, MB_DATATYPE_INT16,      0x0, 1,    0x3, 2,    0x8, 0, 0x0027, 2,0x0031, 2}, // Sinotimer DTS6619 (0.1V (16bit) / 0.01A (16bit) / 1W  (16bit) / 1 Wh (32bit))
-    {"Unused 1",  ENDIANESS_LBF_LWF, 4, MB_DATATYPE_INT32,        0, 0,      0, 0,      0, 0,      0, 0,     0, 0}, // unused slot for future new meters
+    {"Schneider", ENDIANESS_HBF_HWF, 3, MB_DATATYPE_FLOAT32, 0x0BD3, 0, 0x0BB7, 0, 0x0BF3,-3, 0xB02B, 0,0xB02D, 0}, // Schneider iEM3x5x series (V / A / kW / kWh) iEM3x50 counts only Energy Import, no Export
     {"Unused 2",  ENDIANESS_LBF_LWF, 4, MB_DATATYPE_INT32,        0, 0,      0, 0,      0, 0,      0, 0,     0, 0}, // unused slot for future new meters
     {"Unused 3",  ENDIANESS_LBF_LWF, 4, MB_DATATYPE_INT32,        0, 0,      0, 0,      0, 0,      0, 0,     0, 0}, // unused slot for future new meters
     {"Unused 4",  ENDIANESS_LBF_LWF, 4, MB_DATATYPE_INT32,        0, 0,      0, 0,      0, 0,      0, 0,     0, 0}, // unused slot for future new meters
@@ -254,6 +254,9 @@ uint8_t Meter::receiveCurrentMeasurement(uint8_t *buf) {
         case EM_FINDER_7M:
             offset = 7u;
             break;
+        case EM_SCHNEIDER:
+            offset = 27u;
+            break;    
     }
     if (offset) {                                                               // this is one of the meters that has to measure power to determine current direction
         PowerMeasured = 0;                                                      // so we calculate PowerMeasured so we dont have to poll for this again

SmartEVSE-3/src/modbus.cpp

@@ -363,6 +363,11 @@ void requestCurrentMeasurement(uint8_t Meter, uint8_t Address) {
             // Phase 1-3 power:   Register 2530 - 2535 (signed)
             ModbusReadInputRequest(Address, 4, 2516, 20);
             break;
+        case EM_SCHNEIDER:
+            // Phase 1-3 current: Register 0x0BB7 - 0x0BBC (unsigned)
+            // Phase 1-3 power:   Register 0x0BED - 0x0BF2 (signed)
+            ModbusReadInputRequest(Address, 3, 0x0BB7, 60);
+            break;    
         default:
             // Read 3 Current values
             requestMeasurement(Meter, Address, EMConfig[Meter].IRegister, 3);

docs/installation.md

@@ -11,6 +11,7 @@ The following meters are directly supported as Mains or EV meter:
 - ABB B23 212-100
 - Sinotimer DTS6619
 - WAGO 879-30x0
+- Schneider iEM3x5x
 
 If your meter is not listed, you might be able to use the Custom option in the menu, that let's you enter each register manually.<br>
 Connect the A and B of your meter to the A and B terminals of the SmartEVSE.<br>