RI-D35 Energy Meter

These are inexpensive and readily available MODBUS single-phase energy meters.

namespace RID35

Modbus/RID35/Request.h

Created on: 24 March 2022

This file is part of the IOControl Library

This library is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 3 or later.

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this library. If not, see https://www.gnu.org/licenses/.

Enums

enum class Unit

Values:

enumerator NONE

enumerator KW

enumerator KVAR

enumerator KVA

enumerator KWH

enumerator KVARH

enumerator KVAH

enumerator VOLT

enumerator AMP

enumerator HERTZ

enum class Register

Values:

enumerator XX

enumerator RID35_STDREG_MAP

Variables

constexpr uint16_t stdRegBase = 0x01

constexpr uint16_t ovfRegBase = 0x96

constexpr size_t stdRegCount = (1 + unsigned(Register::MaxDemandApparentPower)) * 2

constexpr size_t ovfRegCount = 1 + unsigned(Register::Kvah) - unsigned(Register::TotalKwh)

constexpr size_t registerCount = stdRegCount + ovfRegCount

class Device : public IO::Modbus::Device

#include <Device.h>

Public Functions

virtual IO::Request *createRequest() override

Create a request object for this device.

Return values:: Request* – Caller must destroy or submit the request

class Factory : public IO::RS485::Device::FactoryTemplate<Device>

#include <Device.h>

Public Functions

inline virtual const FlashString &deviceClass() const override: Return the Device class name, e.g. ‘r421a’.

class Request : public IO::Modbus::Request

#include <Request.h>

Public Functions

virtual void getJson(JsonObject json) const override: Get result of a completed request in JSON format.

virtual ErrorCode callback(PDU &pdu) override

Process a received PDU.

Parameters:: pdu –
Return values:: ErrorCode – If request is re-submitted, return Error::pending, otherwise request will be completed with given error.