The outstanding master-follower position control of the CR700 is the key function for applications where multiple motors are not mechanically connected together but still require synchronous and precise position control. Thespeed and position control functions constantly monitor and compare the target and actual value of the motor shaft and ensure super precise tandem operation.

• Master-follower position control
• Super precise tandem applications
• Speed controlled positioning
• No external controller needed, all control features built-in
• Automatic operation stop in case of position deviation

The anti-sway function improves the efficiency and safety in long and cross travel applications. Minimizing horizontal load sway allows for faster and easier positioning of the load. This intelligent function supports the crane operator and reduces maintenance costs by reducing wear.

• Reduces accidents and damage caused by load sway
• Works without external anti-sway sensors
• No motor encoder necessary
• Improves crane productivity and efficiency
• Applicable for long and cross travel

The light-load function optimizes cycle times of the crane by adjusting the hoist speed according to the weight of the load. If a light load is detected it automatically switches the operation speed to maximum. This minimizes the hoist uptime and increases productivity.

• Detects load
• Automatically adjusts operation speed
• Shorter takt time
• Increases hoist efficiency

The CR700 is optimized to combine the required power gained from all travel drives to overcome friction force during travel in Open Loop Vector Control. This feature solves the problem of one motor becoming overloaded due to an unbalanced load and minimizes the risk of mechanical wear by sharing the load impact between multiple drives.

• Reduces costs and the risk of encoder failure
• Prevents unbalanced load and motor overload
• Reduces mechanical friction and crane wear
• Smooth and precise travel acceleration

In applications with long hoisting distance, the wire length detection function supports the crane operator to work more safely by sharing the information about actual load position.

• Prevents operation range mismatch
• Monitors hook and load position
• Improves hoist safety
• Travel limit monitor

Preventive maintenance monitors increase crane safety and product availability. All drive lifetime monitors can be easily accessed via keypad operator or network communication options. These comprehensive service functions support you to schedule preventive maintenance before fault happens.

• Number of run commands
• Drive and cooling fan operation time
• Capacitor, IGBT and SoftCharge relay lifetime
• Drive temperature
• Actual operation peak load

The travel limit sensor connected to the drive prevents over-traveling and overwinding outside the defined work area.

• Defined work area limits
• Support Anti-collision

The programmable counter monitors the number of run commands and brake release commands and outputs an alarm once the number reaches the operation value. This supports the maintenance team to schedule preventive maintenance of the mechanical brake.

• Preventive maintenance
• Reduce brake wear
• Increase brake safety and reliability

• Designed for 10 years of maintenance free operation
• Real-time clock
• Automatic parameter backup function
• Advanced keypad and start-up wizard navigation
• Parameter setting up to 4 motors
• Copy function
• Micro SD storage
• Hi-resolution display
• Optional LCD keypad with Bluetooth connectivity