Technology we use
Technology behind Safe & Reliable Lift Installation
Controller
North Eye Elevator Integrated V3F Controller
North Eye newly upgraded “Integrated Drive Controller” is very easy to adjust at site. This controller adopts “CAN BUS” Serial Communication Technology.
Many of the human functions such as Duplex Control, Group Control, Remote Monitoring Emergency Rescue make elevator operations highly safe and highly reliable. Cabling wires are reduced efficiently with new system configuration (Car top board. Car board etc).
More stability and best in class ride comfort are realised due to the excellent V3F Drive System in this North Eye Make “lntegrated CAN Bus Serial” V3F Controller.
Technical Specifications
| Specification | Details |
|---|---|
| Power Supply | AC 380V to 460V, 50Hz, 3 Phase |
| Power Range | 5.5 KW to 22 KW |
| Rated Speed | Up to 2.5 MPS |
| Safety Standard | EN 81 |
| Landing Mode | Direct Landing |
| Accuracy of Leveling | Less than ±3 mm |
| Environmental Temperature | -10°C to 45°C |
| Cabinet Colour | Dark Grey / Customised |
| Installation Method | North Eye Type |
| Main Controller | We Make Integrated Drive Controller Gearless |
Interface Description
| Specification | Details |
|---|---|
| Traction Motor Adopted | AC Asynchronous Motor / PM Synchronous Motor |
| Encoder | Standard DB 15 Plug for Synchronous Motor / Terminal for Asynchronous Motor |
| Brake | DC 110V, Rated Current Less Than 6 Amps |
| Rescue Device | Advanced NERD System |
North Eye Elevator
Gearless Elevator Machlne
- lnconventional AC motor the speed of rotation depends Upon the load on the motor. Hence more the load less is the motor speed. In case of PMSM (Permanent Magnet: Synchronous Motor) provided by North Eye the rotation speed is directly proportional to frequency of the power supply.
- There are no gears.
- The rotor is fixed to the traction sheave with no connection between stator and rotor.
- PMSM are compact and light machines with high efficiency due to the absence of gears. It is less noisy and provides unsurpassed smoothness and the quality.
Elevator Machine
Powerhaul - Geared Elevator Machine
The machine will be traction type with an AC motor, electro mechanical brake, heat treated alloy steel worm shaft, centrifugally cast bronze worm gear wheel and superior grade cast iron drive sheave all compactly mounted on a single base or bed plate.
Taper roller bearings ensure end thrust absorption and spherical roller bearings ensure sufficient traction while minimising rope wear and tear.
North Eye Elevator
North Eye Elevator Rescue Device NERD
The salient features of our North Eye Rescue Device vis a vis the ordinary Automatic Rescue Device are as listed below:
- Running time in case of NERD is mininmised and NERD function completes as soon as the lift reaches floor level & doors open. So, overall efficiency of the system is improved.
- Battery voltage sensing is incorporated in the new NERD
- Unlike ARD, the Door open time window, after reaching floor level, can be selectively set in case of NERD.
- Door sensor (Infrared full height sensor) comes integrated with the NERD.
- Fail safe operation is guaranteed with NERD.
- The motor over current protection and undercurrent protection feature is available with NERD.
- NNNERD design is as per EN-8l safety standards.
- Encoder feedback from the motor can be connected directly to NERD to check and set load sensing direction.
- Brake feedback signal can be connected to NERD to cross check whether the brake is energised.
Elevator Machine
Gaurdian Overspeed Governor
As the name suggests, it governs the speed by braking the lift in case it ever exceeds its rated speed. Fail safe devices like these ensure devices 4 like these ensure strict adherence, to safety standards.
North Eye Elevator
Infra Red Full Length Door Detector
The door detector projects a curtain of 80 criss [zigzag] and direct beams to detect person or object in the path the closing door, reverses the opening process on detecting bstruction, restarts closing afterthe preset time lag foropen doorstate.
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