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Design an Auto backwashing Controller for a Screen filter


Design an Auto backwashing Controller for a screen filter as follows:

- Complete Control System Drawings

- Screen Design

- Work with Suppliers to get:

o best screen design

o Circuit Design

o Control Panel Layout

o Control Panel Design

o Costings

- Manuals


- 2 x 4-20mA Pressure Sensors input (Pressure Sensors 1 & 2)

- 1 x Flush Valve (Option for more)

- 2 x Piston Position Switches (Option)


- 2 x 4-20mA or 0-10V Inputs from Pressure Sensors (which ever is easiest)

- External signal to (switch to start backwash)

- External signal to pause backwash

- (relay for Piston position)

- Flush Valve 1 Position

- Flush Valve 2 Position

- Flush Valve 3 Position


- System Fault/ok (relay)

- In backwash

- Relay to open

o Flush Valve 1

o Flush Valve 2

o Flush Valve 3

- RS485 Connection (TBC)


- DP Set Point (measuring the difference between Transducer 1 & 2.

- Timer backwash (DP Over Ride)

- Timer for DP set point before backwash

- Backwash Duration

- (option of Piston pistons)

Admin Set points ( Password Protected)

- Time to Open Backwash valve

- Min records for Above.

- History – Over Pressure Recordings

- Last 10 backwashes

Bluetooth Setup & Monitoring

Kĩ năng: Thiết kế vi mạch, Kĩ thuật điện, Điện tử, PCB Layout, Thiết kế sản phẩm

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Về Bên Thuê:
( 33 nhận xét ) Ropes Crossing, Australia

ID dự án: #18938283

5 freelancer đang chào giá trung bình $18/giờ cho công việc này


Hello. Thanks for posting this project. I am an expert having rich experience in schematic circuit and PCB layout. best regards.

$13 AUD / giờ
(12 Nhận xét)

Hi Sir. Your project is very interested to me. I have rich experience on embedded system program including various MICROCHIP PIC. I am also experienced with LCD and MODBUS protocol. I would like to help your project a Thêm

$40 AUD / giờ
(1 Nhận xét)

I DO NOT OUTSOURCE I have been a freelancer for the past 8 years, I believe that my experience and skill in this background will prove to be of great help to you. Contact me to discuss more on the details

$12 AUD / giờ
(2 Nhận xét)

Hi, We are a professional Manufacturing service that has extensive experience in CNC machining, 3D Printing, Injection Molding, Laser Cutting. We work with all materials and to all finishes including prototyping & Thêm

$15 AUD / giờ
(1 Nhận xét)

I am specialist in all types of controller panel design and developing with avr micro controller and interested to complete your project

$12 AUD / giờ
(0 Nhận xét)