Control System Models and Configurations | Poultry Equipment

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Control System Models & Configurations

HJN International range of PLC Control systems provide the latest in technology at affordable prices. We have designed a range of systems tailored to suit both single machine hatcheries through to large operations with forty or more machines.

Available equipment:

• Display Screen Options
• Electromechanical Systems
• Thermometers
• Thermostats

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Display Screen Options

HJN offers two options in display screens, we have done this to provide the most benefit to our customers in making the most of modern technology to provide a well integrated solution at minimum cost.

Option 1 - Simple Text Screen Display

For hatchery sites where there is more than one machine operating, the text display option offers considerable cost savings when integrated with our Supervisory Software. It allows all current readings and alarms to be viewed at the individual machine but all modifications to incubator profiles, viewing of historical data and so forth can be done through a central computer located in the hatchery office. This also provides the benfit that the savings from using text screen display can be used to purchase the Supervisory Software which allows data logging and analysis in a office environment.

Option 2 - Colour Touch Screen Display

For hatchery sites that have a single machine or prefer having a comprehensive display at the machine, we offer our Colour Touch Screen option. The image detailed below provide a good indication of the level of feedback, ease of reading and rich features that the system offers. The colour Touch Screen System also offers the option of being integrated with our Hatchery Supervisory System.

Electromechanical Systems

The electromechanical Setter & Hatcher control units use mercury thermostats to control both temperature and humidity and relays to carry out the logic functions. This style of technology although out dated when compared to modern PLC style systems is still in favour with small hatchery operators due to its simplicity of operation and ease of fault finding due to the use of relay logic. A number of improvements have been made though to improve performance, longevity and ease of maintenance:

• All 240V circuits now use Solid State Relays, instead of mechanical contacts. Solid State Relays do not wear out and can handle much higher switching cycles than the older style contactors.
• All solenoid valves are now 24VAC minimising the possibility of electrocution when replacing valves in breakdown situations.
• Quality switchgear used throughout with much more visable alarm lighting.
• Spray test buttom integrated in front panel.