Arduino-tomation Part 5: LE TUNNEL DE CHAUFFE

Introduction: Arduino-tomation Part 5: LE TUNNEL DE CHAUFFE

About: Interest in PUNK/HARDCORE/METAL/HIGHLAND BAGPIPES

Two month ago I decided to retrofit a small forgotten system stored in the warhouse of the place I work in. This system was made to heat and warm electronic devices or whatever put on special high temperature resist conveyor belt.

So I created some arduino clone boards :

-in oder to measure various temperature with thermo-couple sensors

-and to control the heat of resistors with AC dimmers

-and to control the sens of the DC motor

The main program is embedded in an industrial PLC: the famous WAGO 750-880 with additionnal I/O card. It's still very expensive (used: 250 euros, new: xxxx!! euros).

Step 1: Operating Part Description

I used some arcade push buttons to make this system eyes catchy and I bought a touch screen COOLMAY HMI (150 euros) to supervise the system in MODBUS TCP.

Step 2: Electrical Schematics

You will find here how it's wired: the PLC, the various electronic boards, the buttons and the emergency circuit check with a security module PILZ.

I supply too the programs of the PLC and the HMI.

Before using the PLC you need to install the free CODESYS software in two times:

-1 install the CODESYS V2.3 V23962

-2 the stand alone soft given by wago website: WAGO_SW0759-0333_V20200326_Codesys_S

Step 3: Electronics Schematics and Programs of the Boards

You will find here:

-the measurement board with 3 MAX6675

-the 3 dimmer boards: 0/10V DC to 0/230V AC

-the DC MOTOR controller

-the various arduino sketches:

-for the 3 dimmers: with SM lib and devided in 3 arduino, I tried to use only one atmega328 to control the whole dimmers but it was not enough because the boards needs 2 interruption lines for a dimmer may be I will try to use in the future only one atmega1284P.

-for the measurement board with the MAX6675 lib inside.

Step 4: Conclusion

I tried to lower the cost of this retrofit so I bought used devices. But I seems to be expensive. It was a very very interesting and rich project in skills and knowledges:

-codesys programing in SFC and LADDER (IEC 61-131)

-power electronics design

-electrical engeneering design

-automation,security and control design

-SCADA and HMI programming

-micro-controller programming

-wiring and schematics design

I enjoyed myself and I hope you will apreciate this rewarding project.

Thanx to all valuable instructables allover the net. Happy instructable!!!

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