ABB PFEA113-IP65 3BSE028144R265 tension amplifier for the steel industry

Description

This advanced tension electronics can supply up to four load cells and has six configurable analog outputs for control and/or monitoring of web tension. The output signals are also available on Profibus-DP. Another useful feature is the possibility to, via the digital input or Profibus, switch the gain for two different web paths (gain scheduling) and zero set.

This unit also includes a self-diagnostic function and four configurable digital outputs for alarms and level detection. Status of self-diagnostic functions are also available on Profibus-DP. By combining up to three PFEA113 the system can handle segmented roll applications, for example winders, with up to 12 load cells. The high level of functionality and user friendliness make the PFEA113 one of the most complete tension electronics on the market. Covering a wide range of applications the Tension Electronics comes in three versions (PFEA 111 and PFEA 112 are described in a separate manual), with different levels of performance and functionality. All three versions have multi-language digital display and configuration keys.

The configuration keys being used for setting different parameters and to check the status of the tension system. The 2 x 16-character display can present sum, difference or individual load cell signals. All three versions are available in both DIN-rail version (IP 20-version, unsealed) and enclosed IP 65-version (NEMA 4) for mounting in more severe environments. The equipment is intended for use in a wide range of manufacturing processes where web material of any kind, for example paper, plastic or textile, is transported in a machine. The only requirement is that the web is wrapped over a roll.

The force on the roll is proportional to the web tension. The resulting force is transferred through the bearing housings into the load cells. The load cells create a signal that is proportional to the force acting in the measuring direction of the load cells. This signal is processed and amplified in the tension electronics and can be used as an input signal for process control, presentation on a display or for registration.

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