Dear Friends,
In our Corrugator machine, there is Slitter Scorer unit which has very old technology used to move the tools via servo motors. Because of facing problems again and again, we have started working for installation of a separate PLC with program to move the tools for job set as within 10months; we would get a new unit but till that, we would have to run the existing unit. For this reason we need some suggestion how to communicate the servo drives with PLC. First I explain the current system;
Current system
As shown in picture, there is a communication module RS232/485 is used with which all 20 servo drives are connected in parallel. This module is then connected with a PC having machine program in MS DOS. During job set, PC sends pre-set position of tools and start/stop commands to drive via communication module.
New system
We want to install a PLC Allen Bradley “SLC 5/03” with I/O modules (currently available). Servo Drives and communication module would be remained the same. Now question is that which device should we use to build a communication between PLC to servo drives?
http://www.facebook.com/media/set/?...5.100001137993298&type=3&l=faffc26440&theaterhttp://www.facebook.com/media/set/?set=a.247259475321984.56895.100001137993298&type=1&l=faffc26440#!/photo.php?fbid=247259498655315&set=a.247259475321984.56895.100001137993298&type=3&l=faffc26440&theater
In our Corrugator machine, there is Slitter Scorer unit which has very old technology used to move the tools via servo motors. Because of facing problems again and again, we have started working for installation of a separate PLC with program to move the tools for job set as within 10months; we would get a new unit but till that, we would have to run the existing unit. For this reason we need some suggestion how to communicate the servo drives with PLC. First I explain the current system;
Current system
As shown in picture, there is a communication module RS232/485 is used with which all 20 servo drives are connected in parallel. This module is then connected with a PC having machine program in MS DOS. During job set, PC sends pre-set position of tools and start/stop commands to drive via communication module.
New system
We want to install a PLC Allen Bradley “SLC 5/03” with I/O modules (currently available). Servo Drives and communication module would be remained the same. Now question is that which device should we use to build a communication between PLC to servo drives?
http://www.facebook.com/media/set/?...5.100001137993298&type=3&l=faffc26440&theaterhttp://www.facebook.com/media/set/?set=a.247259475321984.56895.100001137993298&type=1&l=faffc26440#!/photo.php?fbid=247259498655315&set=a.247259475321984.56895.100001137993298&type=3&l=faffc26440&theater
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