Mesh & Chain-link Conveyor System

Mesh & Chain-link Conveyor System

DBI Control were asked by a regular client to design and install a control system to control an extending chain-link conveyor system manufactured at their site, and then commissioned to their customer a leading UK dog food brand manufacturer, and integrated into the existing system.

The project parameters were to run x60 dry dog food bags weighing 3kgs each per minute on the mesh and slat conveyor. The layout of the main control panel was to be located adjacent to the conveyor system and accommodate …

• 1x Siemens S7 1200 PLC with remote I/O
• 22x 0.55KW Motor drives (19x New, 3x Existing)
• 2x Siemens 7” Colour Touch Panel (Human Machine Interface)
• 2x Emergency stop system (3x field Stops per system)
• System control pushbuttons and indication
• Control for 2x Luffing units
• Control for 1x Bag manipulation system

We were required to supply all electrical site materials and carry out all electrical installation

• Site materials (Cable & Cable basket etc.)
• 22x Motor Isolators and terminate to motors
• 34x Photo electrical cells and brackets

The general mode of operation was to be

• Automatic with accumulation
• Manual control of luffing and bag sorting
• Packing selection for each line
• Auto packing

The PLC & Inverter Control Panel and remote Inverter panel consisted of

• 2x Rittal Floor Mounted Enclosures – Mild steel RAL 7035, 2000mm (h) x 1000mm (w) x 500mm (d), LED Lighting kit door operated, Fan Cooling
• 2x LV Kit of parts
• 2x RCD protected Socket
• 2x RJ45 Socket
• Siemens Drive Equipment
• S7-1200 CPU with ET200 remote with Profinet
• 60 x Input
• 60 x Output
• 2 x 7” Colour Touch Panel HMI w/ Complete system Manual functionality and alarms
• Door Indicator Lamps
• Emergency Stop Relay
• Reset Pushbutton
• 3 Colour system health LED indication
• 2x 24vdc PUS
• Wago Terminals, Flexible Cables. Ferrules, Numbers, Din Rail, Trunking and Fixings
• Legends & Labels

We designed the system and generated a set of electrical schematics to facilitate the manufacture of all the enclosures and field wiring listed.

We configured the hardware and created manual HMI screens on the Touch panel in the system software to operate the system. All alarms and feedback signals were going to be mimicked on the HMI’s.

DBI Control designed the system so that the operator of the machine is not caused undue stress or strain. After the system was successfully tested at our customers’ site, it was taken to our clients factory in Yorkshire where the completed equipment was successfully tested with all the panels networked and powered up.

The HMI screens were demonstrated for functionality and there was a trial of the completed system ensuring it was fully functioning with the product.

We supplied a comprehensive documentation pack, and technician training was given by DBI Control during the commissioning of the system.

DBI Control successfully delivered, installed and electrically commissioned all equipment to Thirsk, North Yorkshire within 8 weeks of the order being placed, giving the customer complete satisfaction by providing a high quality machine in a specified time frame.