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The following Flexo/Folder/Gluers were upgraded with all new controls featuring a PLC-based system with a color touchscreen as the central operator interface:
The first three machines used a main A-B SLC PLC and remote Flex I/O in each section with a central 10” color Panelview touchscreen for operator setup and status feedback. The Marten machine featured a Koyo 200-Series PLC with a 8” color touchscreen from AVG as the central operator interface. All included an intuitive job entry procedure for the next box to be run with Auto Setup capability. Three of the systems were purchased by companies for facilities in Mexico and had the additional features of one-button switchable inch/metric and English/Spanish language functionality. Finally, a diagnostic package was integrated into the system to provide operators and maintenance personnel with information concerning certain mechanical or electrical problems in the machine or controls. In another case, Global Equipment contracted NEU-TECH SYSTEMS for a new, improved control design for their family of GT-Series Gluer/Tapers. This design featured encoders on the transport rolls and on the tape head for the ease of job setup as well as for superior control of the glue and tape placement on the box. The central element of the control system was a PLC with a 6” color touchscreen as the operator interface. The system functionality included a wide speed range to handle a multitude of configurations and an easy-to-use glue/tape setup procedure. In addition, Job Memory capability was programmed so that repeat orders could be easily recalled for even quicker job setup. Two versions were developed for the GT equipment. The initial design featured a Koyo PLC with Danfoss VFDs. The subsequent design used an A-B Micrologix 1500 PLC and PowerFlex VFDs. Other projects include:
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AUTOMOTIVE
We designed, programmed and implemented Allen-Bradley PLC systems for several paint booth applications featuring recipe control for various body types including the ability to purge paint lines and change colors between jobs as they passed robot stations. In other projects, we provided design and commissioning services for various PLC-based “power and free” conveyor control systems to several major automotive assembly facilities. For a particular assembly plant, we implemented an A-B PLC-based system for a parts and delivery line to assemble automotive seats in a JIT environment. |
FOOD/BEVERAGE
We designed, programmed and commissioned a PLC system for high-speed sortation equipment that received product from (18) production lines and then delivered each product to its proper warehouse area. The system used a bar code scanner to identify the product and divert it to the proper conveying equipment as set up by operations personnel at the operator interface station. For another food processing company, we implemented a complete, plant-wide SCADA system featuring A-B PLC5 processors interfaced to SmartPanel operator interface stations located throughout the facility for recipe control and data collection.
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HEAVY EQUIPMENT
We commissioned a new engine assembly and
testing “power and free” conveyor system for a major
agricultural manufacturer using an Allen-Bradley ControLogix PLC
with a MES link for routing and tracking information. |
CHEMICAL
We designed and implemented PLC systems for
several “blown film” manufacturers. The systems included the
weighing and delivery of the plastic pellets to the extruder,
control of the extruder heater zones and the logic for the
rewinders. Operator interface stations were also configured for
production setup and data logging. |
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