Modernization of paper cutter control:
replacement of the old controller, programming the technological functions,
replacement of the old control panel with the new panel
replacement of the visualization system
execution of SCADA system for archiving and extension of diagnostic functions
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:
design,
software,
system start-up
Used PLC controllers, terminals, communication, visualization systems:
1 S7-412-2 PN central controller,
distributed structure of inputs / outputs on the site – 1 station with PROFINET in the operator’s panel,
1 MP277 touch-screen control terminal,
1 diagnostic station with the Zenon SCADA system,
AC, DC drives with encoder cards, controlled via Profibus DP.
List of controlled and measuring devices, control devices:
350 binary signals,
24 analog signals,
1 DC DCS800 DC motor with adjustable speed and encoder feedback,
2 ACS800 AC motors with adjustable revolutions with encoder feedback,
3 motors with direct drive,
unwind and winding functions implemented in the PLC,
regulation of web tension,
1 ultrasonic diameter measurement.
Modernization of the entire MP2 paper machine drive:
replacement of existing old DC drives,
replacement of an existing controller, programming the software of the technological functions,
replacement of operator panels on the site,
replacement of the visualization system,
implementation of 24 drives control in master-slave mode with concurrent angles and in master-follower mode with load sharing,
precise coordination of drive section work.
Scope of work:
design,
software
commissioning
Used PLC controllers, terminals, communication, visualization systems:
1 S7-317-2DP central driver,
distributed structure of inputs / outputs on the site through the use of local inputs of drive systems read through
PROFIBUS DP,
24 text OP77B operator panels on the site,
2 zenOn visualization systems in the main wheelhouse and for the needs of the maintenance department,
DC DC800 drives with encoder and fiber optic cards, controlled by Profibus DP,
OPC server for the superior production management system.
List of controlled and measuring devices, control devices:
170 binary signals,
15 analog signals,
24 DC motors with adjustable revolutions with encoder feedback.
