wip

Author: premultiply

meters/rs485/dtsu666h.go

@@ -0,0 +1,101 @@
+package rs485
+
+import (
+	. "github.com/volkszaehler/mbmd/meters"
+)
+
+func init() {
+	Register("DTSU666H", NewDTSU666HProducer)
+}
+
+type DTSU666HProducer struct {
+	Opcodes
+}
+
+func NewDTSU666HProducer() Producer {
+	/***
+	 * Opcodes as defined by Chint DTSU666-H (Huawei firmware).
+	 * Based on https://github.com/salakrzy/DTSU666_CHINT_to_HUAWEI_translator
+	 * Huawei firmware uses different register addresses starting at 0x0836 (2102).
+	 */
+	ops := Opcodes{
+		CurrentL1:       2102, // Phase current A (IEEE754 float32, A, scale: 1000) - Pos 0
+		CurrentL2:       2104, // Phase current B (IEEE754 float32, A, scale: 1000) - Pos 1
+		CurrentL3:       2106, // Phase current C (IEEE754 float32, A, scale: 1000) - Pos 2
+		VoltageL1:       2110, // Phase voltage A (IEEE754 float32, V, scale: 10) - Pos 4
+		VoltageL2:       2112, // Phase voltage B (IEEE754 float32, V, scale: 10) - Pos 5
+		VoltageL3:       2114, // Phase voltage C (IEEE754 float32, V, scale: 10) - Pos 6
+		Frequency:       2124, // Grid frequency (IEEE754 float32, Hz, scale: 100) - Pos 11
+		Power:           2126, // Active power total (IEEE754 float32, kW, scale: 10) - Pos 12
+		PowerL1:         2128, // Active power A (IEEE754 float32, kW, scale: 10) - Pos 13
+		PowerL2:         2130, // Active power B (IEEE754 float32, kW, scale: 10) - Pos 14
+		PowerL3:         2132, // Active power C (IEEE754 float32, kW, scale: 10) - Pos 15
+		ReactivePower:   2134, // Reactive power total (IEEE754 float32, kVar, scale: 10) - Pos 16
+		ReactivePowerL1: 2136, // Reactive power A (IEEE754 float32, kVar, scale: 10) - Pos 17
+		ReactivePowerL2: 2138, // Reactive power B (IEEE754 float32, kVar, scale: 10) - Pos 18
+		ReactivePowerL3: 2140, // Reactive power C (IEEE754 float32, kVar, scale: 10) - Pos 19
+		Cosphi:          2144, // Power factor total (IEEE754 float32, scale: 10) - Pos 24
+		CosphiL1:        2146, // Power factor A (IEEE754 float32, scale: 10) - Pos 25
+		CosphiL2:        2148, // Power factor B (IEEE754 float32, scale: 10) - Pos 26
+		CosphiL3:        2150, // Power factor C (IEEE754 float32, scale: 10) - Pos 27
+		Import:          2166, // Total positive active energy (IEEE754 float32, kWh, scale: 1) - Pos 32
+		Export:          2180, // Total negative active energy (IEEE754 float32, kWh, scale: 1) - Pos 36
+	}
+
+	return &DTSU666HProducer{Opcodes: ops}
+}
+
+func (p *DTSU666HProducer) Description() string {
+	return "Chint DTSU666-H (Huawei)"
+}
+
+func (p *DTSU666HProducer) snip(iec Measurement, scaler ...float64) Operation {
+	operation := Operation{
+		FuncCode:  ReadHoldingReg,
+		OpCode:    p.Opcode(iec),
+		ReadLen:   2,
+		IEC61850:  iec,
+		Transform: RTUIeee754ToFloat64,
+	}
+
+	if len(scaler) > 0 {
+		operation.Transform = MakeScaledTransform(operation.Transform, scaler[0])
+	}
+
+	return operation
+}
+
+func (p *DTSU666HProducer) Probe() Operation {
+	return p.snip(VoltageL1, 10)
+}
+
+func (p *DTSU666HProducer) Produce() (res []Operation) {
+	for _, op := range []Measurement{
+		VoltageL1, VoltageL2, VoltageL3,
+		Power, PowerL1, PowerL2, PowerL3,
+		ReactivePower, ReactivePowerL1, ReactivePowerL2, ReactivePowerL3,
+		Cosphi, CosphiL1, CosphiL2, CosphiL3,
+	} {
+		res = append(res, p.snip(op, 10))
+	}
+
+	for _, op := range []Measurement{
+		CurrentL1, CurrentL2, CurrentL3,
+	} {
+		res = append(res, p.snip(op, 1000))
+	}
+
+	for _, op := range []Measurement{
+		Frequency,
+	} {
+		res = append(res, p.snip(op, 100))
+	}
+
+	for _, op := range []Measurement{
+		Import, Export,
+	} {
+		res = append(res, p.snip(op, 1))
+	}
+
+	return res
+}