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Paper industry

Modernization of paper cutter control:

 

kwadrat replacement of the old controller, programming the technological functions,

kwadrat replacement of the old control panel with the new panel

kwadrat replacement of the visualization system

kwadrat execution of SCADA system for archiving and extension of diagnostic functions

kwadrat implementation of control of the work of the winding generator and winding shafts with torque regulation in order to obtain the desired tension of the web during cutting

Scope of work:

kwadrat design,

kwadrat software,

kwadrat system start-up

Used PLC controllers, terminals, communication, visualization systems:

kwadrat 1 S7-412-2 PN central controller,

kwadrat distributed structure of inputs / outputs on the site – 1 station with PROFINET in the operator’s panel,

kwadrat 1 MP277 touch-screen control terminal,

kwadrat 1 diagnostic station with the Zenon SCADA system,

kwadrat AC, DC drives with encoder cards, controlled via Profibus DP.

List of controlled and measuring devices, control devices:

kwadrat 350 binary signals,

kwadrat 24 analog signals,

kwadrat 1 DC DCS800 DC motor with adjustable speed and encoder feedback,

kwadrat 2 ACS800 AC motors with adjustable revolutions with encoder feedback,

kwadrat 3 motors with direct drive,

kwadrat unwind and winding functions implemented in the PLC,

kwadrat regulation of web tension,

kwadrat 1 ultrasonic diameter measurement.

 

Modernization of the entire MP2 paper machine drive:
 

kwadrat replacement of existing old DC drives,

kwadrat replacement of an existing controller, programming the software of the technological functions,

kwadrat replacement of operator panels on the site,

kwadrat replacement of the visualization system,

kwadrat implementation of 24 drives control in master-slave mode with concurrent angles and in master-follower mode with load sharing,

kwadrat precise coordination of drive section work.

Scope of work:

kwadrat design,

kwadrat software

kwadrat commissioning

Used PLC controllers, terminals, communication, visualization systems:

kwadrat 1 S7-317-2DP central driver,

kwadrat distributed structure of inputs / outputs on the site through the use of local inputs of drive systems read through
PROFIBUS DP,

kwadrat 24 text OP77B operator panels on the site,

kwadrat 2 zenOn visualization systems in the main wheelhouse and for the needs of the maintenance department,

kwadrat DC DC800 drives with encoder and fiber optic cards, controlled by Profibus DP,

kwadrat OPC server for the superior production management system.

List of controlled and measuring devices, control devices:

kwadrat 170 binary signals,

kwadrat 15 analog signals,

kwadrat 24 DC motors with adjustable revolutions with encoder feedback.