Siemens MediaService Industries October 2017
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A grip on every door
Sidoor – condition-oriented maintenance and a new power pack
Nuremberg, Germany. At this year’s SPS/IPC/Drives trade fair, Siemens will be demonstrating how the timely detection of failure in protective doors will be possible in the future with its automatic door control system Sidoor. This capability is provided by a new firmware function which supports condition-oriented maintenance and so ensures a significant increase in plant availability. Siemens is also extending its Sidoor portfolio to include a powerful drive for particularly heavy doors and guards. The new Sidoor MDG700 NMS motor with its high torque is particularly suited for moving weights of up to 700 kilograms. With its single-button commissioning, Sidoor helps reduce the effort involved in commissioning mechanical sliding doors by up to 90 percent.
From motor current to maintenance requirements
In electrically driven protective doors, the motor current required provides an indication of the mechanical friction created by the door system. The greater the friction which is created when the doors are moved, the more electrical power the motor requires for opening and closing. Using the new firmware V1.10 for ATD4xxW Sidoor door controllers, the measured current value is instantaneously and continuously made available over the process interface. As the current flow does not remain constant during the opening and closing process, using a mathematical calculation in the Simatic or Sinumerik controller, it is possible to form a characteristic value which allows even minor changes in motor current to be determined.
Worldwide access to diagnostic parameters with MindSphere from Siemens
If the characteristic value is also transmitted to MindSphere, the cloud-based open operating system from Siemens for the Internet of Things; it can be made available for worldwide access by servicing personnel. Here, using freely definable rules, the characteristic value can be monitored for limiting values. When these limits are exceeded, MindSphere generates automatic requests by sending an email notification. These can be viewed and analyzed by servicing personnel, for instance using the “FleetManager” and “Visual Analyzer” MindApps. This makes maintenance work selectively plannable and reduces machine and standstill periods.
Significantly simplified commissioning
The new motor Sidoor MDG700 NMS from Siemens provides the ideal drive for heavy doors and guards weighing up to 700 kilograms. Requiring a supply voltage of just 36 volts, this is a highly efficient solution. In addition, the motor combines the previous protection rating of IP56 with a high torque level. The neutral mechanical interface (NMS) designed for variable drive transmission ratios makes a number of power transmission options available to users, such as toothed belt, chain or rack systems. By the individual selection of belt wheels, which allow the groove and feather key fixture of NMS motors on the motor shaft, even the most complex door solutions can be implemented with the utmost simplicity. Single-button commissioning and parameter sets loadable over Simatic or Sinumerik controls reduce the effort involved in commissioning by up to 90 percent in comparison with pneumatic drives, and by up to 75 percent compared to servo axis drives.
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