Royal Down Collective Memory System is best suitable for low rise residential buildings where main requirement is to go from ground floor to any specific floor and vice versa.
This control system registers and retains in memory, the down hall calls and car calls. These are answered in a logical order to ensure minimum necessary car movement, resulting in quick response to passenger traffic and thereby substantial power saving.
If the elevator is moving in upward direction, it will respond to car calls in floor sequence and the highest down hall call only. Once the car reaches the highest registered call it will reserve and collect all hall calls in floor sequence during downward movement.

Royal Full Collective Memory System registers and retains in memory, the calls of both directions and hence is best suitable for high rise residential buildings and commercial / industrial buildings where in addition to the movement between ground floor and specific floor there is also a need to serve inter-floor traffic.
On every landing there will be two buttons for Hall Calls, one for upward direction and other for downward direction (except for starting and top landings). While elevator is moving in upwards direction, the lift will attend all Car calls and only Up Hall calls and while moving in downward direction it will attend all Car calls and only Down Hall calls in logical sequence and thus results in substantial power saving.

As car air conditioner has become a standard feature in any modern car, V3F drive is an essential feature of modern elevator and it is real value for money. Here are some of the salient features of elevator with V3F Drive :

• Smooth Start & Stop
• Better Level accuracy irrespective of Load
• Extra Loading Capacity
• Reduces Breakdowns
• Improves Life of Lift
• Reduces Electricity consumption
• Floor Announcement System
• Soft Music while lift is working
• Better integration with generator or battery backup Inverters