Library for reading ORNO WE Modbus Energy meters.

SECTIONS:

1. INTRODUCTION

2. ModbusMaster

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Introduction:

This library allows you reading ORNO WE energy meter(s) using:

• Hardware Serial (recommended option, smallest number of reads errors) or
• Software Serial (library for ESP8266) and
• ModbusMaster (library for Arduino)

you also need rs232<->rs485 converter:

• with automatic flow direction control
• WITHOUT automatic flow direction control

Default DeRe Pin is D6 (NodeMCU) - in the OR_WE.h file you can redefine the Pin for your needs.

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modbusmaster:

You need to change the value "ku8MaxBufferSize" inside the library to 100!