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Packing Machine System Upgrade – LafargeHolcim – Egypt

The Application

The whole rotary cement filling machine is an organic whole automatic control with electricity and gas filling process. In addition to the artificial sidekicks, press cement bag, the discharging mouth opened and closed; Cement bags, weighing measuring, fixed point dropping bags, etc. All can be done automatically, so that reduce the mechanical failure, ensuring the efficient operation of packaging equipment.

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The Solution

EAST being one of the main companies working in this field and having a wide knowledge in cement plants, Automation products and PLC programming upgraded the old control system which is based on Siemens S5-PLC to be S7 PLC with keeping the old control theory and adding more features to the control system.

Packing Machine control system function:

  • Justify pre-start conditions.
  • Auto/Manual fully controlled system.
  • Monitor and modify packing machine parameters.
  • Achieve production requirements by PLC software counters.
  • Fault recognition and elimination during the bagging process.

The solution offers PLC upgrade + HMI monitoring of 4 cement packing machines:

  • Supply and install 4 Siemens PLC’s S7 and 4 Siemens Touch screens.
  • Upgrade the old Step5 S/W for the 4 packing machines to TIA portal
  • Reconnect old wiring to the new components.
  • Prepare new documentation for the installed system.
  • Commissioning and post startup activities.