Overhead Crane Automation
Fully autonomous systems are possible. Cranes can be PLC or computer controlled to perform specific and repetitive tasks. Stacker cranes can also be automated where the crane is sent to retrieve parts/pallets from specific locations (warehousing). All VFD’s can be controlled through use of Modbus and CANopen which are integrated into the drive controller through the use of an RJ45 connecter as a standard. Up to 31 drives can be linked with Modbus, and 127 drives through CANopen. Other protocols can be utilized used by means of optional control cards.
Fully autonomous systems are possible. Cranes can be PLC or computer controlled to perform specific and repetitive tasks. Stacker cranes can also be automated where the crane is sent to retrieve parts/pallets from specific locations (warehousing). All VFD’s can be controlled through use of Modbus and CANopen which are integrated into the drive controller through the use of an RJ45 connecter as a standard. Up to 31 drives can be linked with Modbus, and 127 drives through CANopen. Other protocols can be utilized used by means of optional control cards.
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Call: 1 (800) 461-4509 |
AC Variable Freuency Drives
Installation of a VFD allows full variable speed control of any motor. Existing motors can be single speed, 2 speed, squirrel cage, tapered rotor, or wound rotor configuration. VFD’s virtually eliminates wear and tear to the braking system, as the motor is electrically braked by using the regenerative energy of the system, and then only uses the existing brake as a holding device. There is significantly less mechanical wear and tear on the components as the motor is ramped at a user defined rate. It also eliminates rough starting and stopping on your system which in turn reduces the mechanical stresses to your gear boxes and shafts.
The motor will run much cooler as the inrush current experienced with across the line starting is eliminated therefore showing 20 to 30 degrees Celcius lower winding temperatures. Extended speeds available, from 0 to 90 hertz operation which is the normal available range. In hoisting applications, torque limitation can be adapted to act as a load limitation means without the addition of other components, and with or without the use of an encoder.
Overhead Crane Runway Extensions
If an existing runway system requires modification or extension, MSD can perform the engineering and provide all required professional labour equipment and materials to ensure the scope of work is conducted in a safe and timely manner complete with all required support documentation.
Installation of a VFD allows full variable speed control of any motor. Existing motors can be single speed, 2 speed, squirrel cage, tapered rotor, or wound rotor configuration. VFD’s virtually eliminates wear and tear to the braking system, as the motor is electrically braked by using the regenerative energy of the system, and then only uses the existing brake as a holding device. There is significantly less mechanical wear and tear on the components as the motor is ramped at a user defined rate. It also eliminates rough starting and stopping on your system which in turn reduces the mechanical stresses to your gear boxes and shafts.
The motor will run much cooler as the inrush current experienced with across the line starting is eliminated therefore showing 20 to 30 degrees Celcius lower winding temperatures. Extended speeds available, from 0 to 90 hertz operation which is the normal available range. In hoisting applications, torque limitation can be adapted to act as a load limitation means without the addition of other components, and with or without the use of an encoder.
Overhead Crane Runway Extensions
If an existing runway system requires modification or extension, MSD can perform the engineering and provide all required professional labour equipment and materials to ensure the scope of work is conducted in a safe and timely manner complete with all required support documentation.
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