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PCB development - DX air curtains project

INTRODUCTION

The purpose of this document is to define the requirements for a new PCB development of a Control Interface for Air Curtains unit.

Schematics & PCB design must be made in Protel DXP or Altium Designer software

Now we have three different kind of Control Interface for Air Curtains:

• BASIC CONTROL INTERFACE: Designed to control the two-speed fan motor.

• WATER CONTROL INTERFACE: Designed to control the two-speed fan motor and the water heat electric-valve for temperature regulation.

• ELECTRIC CONTROL INTERFACE: Designed to control the two-speed fan motor and the electric heater for temperature regulation (two stages).

GENERAL REQUIREMENTS

• Two different PCB design: Basic/Water control interface or Electric control Interface.

• Universal AC input Power Supply: 100Vac to 260Vac 50/60Hz

• SMPS output voltage / power: 24Vdc / 15W

• General Overvoltage protection

• Overcurrent motor protection, maximum current 1A (PPTC preferred)

• Overcurrent/overvoltage/EMC SMPS protection

• PCB dimensions: 150mm x 85,5mm

• Maximum component height: 28mm

• RS485 communication: Two RJ11 connectors CONTROL and AUX in frontal to allow daisy-chain connection.

• 4 SMD LED indicators (frontal):

• Supply ON (RED)

• Status/Alarm indicator (BLUE)

• Low FAN speed (GREEN)

• Fast FAN speed (GREEN)

• AC input connector (Basic/Water): frontal AC receptacle C14 (IEC60320) for Basic/Water air curtains.

• AC input connector (Electric): 3-way screwed connector behind PCB.

• 4-way connector: Two External digital input signals NO: External OFF and closed-door detector. This connector is in frontal for Electric air curtain and behind for Basic/Water Air curtain.

• 2-way connector: External opto-isolated signal indicating FAN is running. This connector is in frontal for Electric air curtain and behind for Basic/Water Air curtain.

• Internal 2-way connector for a PTC1000 temperature sensor

• Electric valve (Basic/Water): relay output signal to switch-on an external electro-valve. 2-way connector behind PCB.

• Electric heater (Electric): 24Vdc Transistor output signals to control external relays for the 2-stage electric heater. 3-way connector behind PCB.

HARDWARE REQUIREMENTS

There are two PCB designs: one for BASIC or WATER air curtains and the other for ELECTRIC air curtains.

Safety standard rules compliance is required in all design process:

• primary AC components election (UL/VDE)

• Routing considerations (creepage, isolation distances, track with, etc…)

PLANNING & MILESTONES

We will supply 3 hardware units: BASIC CONTROL INTERFACE, WATER CONTROL INTERFACE and ELECTRIC CONTROL INTERFACE, to be used as reference for the new hardware design.

Proposal phases / milestones of hardware project:

• 4.1) SMPS PCB design: Translate Schematics to Altium/Protel DXP platform. PCB layout & PCB routing. Deliverables: schematics, BOM, PCB, Gerber fabrication files

• 4.2) SMPS PCB design prototype. This prototype will be mounted and assayed in our laboratory to assure the requirements compliance (100Vac to 260Vac 50/60Hz, output voltage / power: 24Vdc / 15W. Modifications will be reported for PCB design corrections. Deliverables: schematics, BOM, PCB, Gerber fabrication files

• 4.3) Basic/Water control interface PCB design. Translate Schematics to Altium/Protel DXP platform. PCB layout & PCB routing. Deliverables: schematics, BOM, PCB, Gerber fabrication files

• 4.4) Electric control interface PCB design. Translate Schematics to Altium/Protel DXP platform. PCB layout & PCB routing. Deliverables: schematics, BOM, PCB, Gerber fabrication files

• 4.5) Protypes validation for Basic, Water & Electric air curtain. Units will be mounted and assayed in our laboratory. Modifications will be reported for PCB design corrections. Deliverables: PCB & schematic project completed.

SKILLS

REQUIRED (mandatory):

• PCB layout

• Circuit Board Layout

• PCB design

Kemahiran: Susun Atur PCB, Schematics, PCB Design and Layout, Circuit Board Layout, Reka Bentuk Litar

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Tentang Majikan:
( 12 ulasan ) Castellar del Vallès, Spain

ID Projek: #20562078

Dianugerahkan kepada:

StefanP

I have a lot of experience as PCB designer using Altium. I appreciate communication, and I want to assure you that I will respond/ask questins regerding the projects any time when it's necessary Relevant Skills and Ex Lagi

€3888 EUR dalam 30 hari
(9 Ulasan)
4.7

37 pekerja bebas membida secara purata €4519 untuk pekerjaan ini

highfliercnr

Dear Sir, If you are looking for an highly skifull hardware engineer, I believe that I am the one who you're looking for. I am an experienced PCB designer who has over 15 years design experience on complex PCB design Lagi

€4300 EUR dalam 25 hari
(103 Ulasan)
8.3
sagradoamicus

Hi I am experienced electronics engineer with more than 9 years of experience I can do it for you. I have completed more than 200 projects here. Please share the further details of the project. I am waiting for your re Lagi

€4000 EUR dalam 30 hari
(173 Ulasan)
7.7
Euroaccount

Hello! How are you? I see you are looking for a PCB designer who can design the new PCB design using the current PCB of Air curtain unit. This project is very suitable for me and I can do your project well. I have 7 y Lagi

€4000 EUR dalam 7 hari
(13 Ulasan)
7.1
SEELaboratory

Hello! Our team is ready to take on your project. We have experience in creating various devices: industrial controllers, industrial meters, power supplies of various types up to 6 kW, USB 3.0 hubs with Power Delivery, Lagi

€3400 EUR dalam 42 hari
(18 Ulasan)
6.5
ExpertEngineer7

Before awarding to anyone, give me a chance to discuss it with you. I am embedded system electronics engineer with 6 years of experience in design and development of multiple layer pcb layouts. I am based in ITALY and Lagi

€7000 EUR dalam 40 hari
(10 Ulasan)
6.2
navernjaka

Hi. I have extensive experience in designing various types and forms of PCBs for AC voltage of 110-220V and DC voltage of 3.3V, 5V, 12V, 24V, etc. I also have extensive experience in Altium - more than 10 years. I crea Lagi

€3000 EUR dalam 14 hari
(20 Ulasan)
6.1
alldevhw

Hello, I've carefully checked your job posting and I'm very interested in forming a good relationship with you as an experienced engineer. I've been working in this field for more than 8 years so far and have excelle Lagi

€4400 EUR dalam 7 hari
(4 Ulasan)
5.6
vijay1307

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€5000 EUR dalam 30 hari
(23 Ulasan)
5.6
gaoshou007

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(8 Ulasan)
4.7
leons01

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€4000 EUR dalam 30 hari
(1 Ulasan)
4.4
RaspberryOculus

Dear Sir, I am an electrical engineer with 19 years experience in this area . I have built a curtain project here on freelancer. I am going through your requirements and will have some question. I am interested in yo Lagi

€4000 EUR dalam 7 hari
(8 Ulasan)
5.4
horaciodrut

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€3500 EUR dalam 25 hari
(3 Ulasan)
4.5
microembedded

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(9 Ulasan)
4.7
Ivan927

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€4000 EUR dalam 30 hari
(3 Ulasan)
4.6
intellisenseIN

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(4 Ulasan)
4.4
MrDmytro

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(7 Ulasan)
4.3
HXElectronics

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(3 Ulasan)
3.4
ChewGekKhim

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(6 Ulasan)
3.3
Sourabh071092

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€4000 EUR dalam 15 hari
(1 Ulasan)
3.2
beemf1633

For CONTROL INTERFACE: It will need sensors with coding and relays for switching purposes like to control the two-speed fan motor. For GENERAL REQUIREMENTS: PPTC is the best option and i read all thing like dimensions, Lagi

€3099 EUR dalam 45 hari
(5 Ulasan)
2.9