Since the advent of the digital drive, few new technologies are changing the motion control landscape faster than the integrated servo motor and drive. By integrating the servo motor and drive into one package, the overall motion system changes dramatically. Smaller control panels, fewer cables and lower cable management are some of the obvious benefits. But, not all integrated technologies are the same. The leader in this technology with the greatest advantages is Bosch Rexroth IndraDrive Mi.

Bosch Rexroth introduced IndraDrive Mi in late 2005. The Mi product is an extension to their market leading IndraDrive product line. Several integrated motor and drive packages are available from other manufacturers but IndraDrive Mi presents the following advantages over the competition:

• 50% less space than conventional drives
• Minimal additional footprint over standard motor
• Only one cable for both power and communications
• Multiple units can be daisy-chained
• IP65 protection rated
• Highest functionality
• Integrated Motion Logic via IEC61131-3
• Optional holding brake with integrated control
• single - and multi-turn absolute encoder available
• Elimination of wearing parts (e.g. fans, relays, electrolytic capacitors…)

By implementing IndraDrive Mi in motion control applications, the following benefits can be realized:

• Reduced direct cost of …
  • Project Engineering
  • Assembly Wiring
  • Components
• Reduced control cabinet size up to 40%
• Reduced cabling up to 75%
• Reduced cabinet cooling (AC)
• Reduced plant floor space
• Reduced spare parts
• Increased flexibility
• Compact design
• High power density
• Rapid installation
• Simple commissioning
• Simple expansion of axes

Given these advantages, major OEMs and end-users alike are standardizing on IndraDrive Mi regardless of industry. By implementing this technology, machines can become more modular. Expansion of existing systems becomes simpler. Floor space and machine footprints shrink. Cable management becomes a non-issue. Motion control systems truly become “Lean”!

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