Blue M, a global manufacturer of industrial and laboratory ovens, has shipped a mechanical convection oven to a medical products manufacturer.
This oven has a temperature range of 15°C above ambient to 350°C and interior chamber dimensions of 48” W x 24” D x 36” H. The unit is designed with silicone-free construction, so the silicone parts in the oven have been replaced with materials that reduce contamination inside a cleanroom. Seven 304 stainless steel slotted shelves were included and provide excellent resistance to high-temperature operation.
This unit features an industrial uninterrupted power supply (UPS) system wired to the oven’s control circuit. In the event of a power loss the UPS system will supply power to the control circuit only for approximately 15 minutes. Since the main temperature controller stays on during a power loss event with a UPS, any recorded temperature data will help identify quality issues with that batch of product. A safety door switch and buzzer are also installed on the control panel which automatically shuts off the oven blower system and heating elements when the door is opened and sounds the buzzer. This feature allows the operator to load the oven without hot air blowing on them.
The special PLC and HMI control system installed on this unit are considered top of the line and offers the customer advanced control capabilities. The PLC uses analog and digital input/output modules for monitoring process inputs and for the control of external devices as directed through the OIT. The large color touchscreen is programmed with a multitude of user-friendly menus and functions. The operator can easily use these menus to set up and tune the heat-control system, access maintenance and security functions, and graph temperature trends. The system also includes on-board Ethernet and USB connectivity.
“This Blue M oven is designed with an advanced PLC/HMI system,” said Jonathan Young, Blue M product manager. “The system features a large display which makes it easier for the operator to navigate through the menus.”
Unique features of this Blue M mechanical convection oven include:
- Silicone-free construction.
- Uninterrupted power supply system.
- Advanced PLC/HMI system with Ethernet connectivity.
- Space-saving design that saves on facility floorspace.
- Airflow switch shuts off heating elements if blower system fails.
- Over-temperature protection.
- UL508A certified control panel.
- Swivel casters with leveling feet.
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