Heidenhain ECN 1313 2048 62S12-78 Absolute Rotary Encoder for Monarch Elevator Drives (ID 768295-54) with a 10m cable
- DIRECT REPLACEMENT FOR MONARCH SYSTEMS: Engineered as a proven, direct-fit replacement for elevator systems using Monarch inverters, ensuring seamless integration and restoring original performance.
- DUAL-SIGNAL OUTPUT: Combines 13-bit (8192 positions) absolute positioning via the EnDat01 interface with high-resolution 2048 line count incremental signals (~1VPP​) for both safety and superior speed control.
- BACKLASH-FREE TAPERED SHAFT: Features a Ø 9.25 mm tapered shaft (1:10 taper) that creates a rigid, friction-locked connection to the motor, eliminating play for ultimate control loop accuracy and responsiveness.
- COMPLETE INSTALLATION KIT: This version (ID 768295-54) includes a 10-meter pre-terminated connection cable, providing a complete, ready-to-install solution that saves time and prevents wiring errors.
- ROBUST & RELIABLE: Designed for the demanding environment of elevator machine rooms and industrial automation, with a wide operating temperature range (-40°C to +115°C) and high resistance to shock and vibration.
Guaranteed Safe Checkout
Ensure smooth, reliable operation and precise floor leveling in your elevator or servo system with the Heidenhain ECN 1313 2048 62S12-78. This high-precision absolute rotary encoder is the industry-proven solution for demanding motion control applications, specifically engineered for compatibility with Monarch elevator inverters and other high-performance gearless drives. By providing both absolute position data and high-resolution analog feedback, it delivers the safety, ride quality, and accuracy your system requires.
Why Choose the ECN 1313 2048 62S12-78?
This isn’t just another encoder; it’s a specific, field-tested solution designed to solve critical feedback challenges. When reliability is non-negotiable, the ECN 1313 is the trusted choice for technicians and engineers.
Guaranteed Compatibility with Monarch Elevator Inverters
This encoder is explicitly specified for use with Monarch elevator drive systems. Eliminate guesswork and the risk of incompatibility. Matching the full model number
ECN 1313 2048 62S12-78 and ID 768295-54 ensures you have the correct part for a fast and successful repair.
Dual-Signal Architecture for Safety and Performance
Get the best of both worlds. The robust EnDat01 digital interface provides an absolute position value (13-bit) the moment the system powers on, eliminating the need for a homing cycle—a critical safety feature after a power outage. Simultaneously, it outputs high-resolution 2048-line analog (~1VPP​) signals, allowing the drive to maintain exceptionally smooth speed control for superior ride comfort and precise floor leveling.
Superior Mechanical Design for Unmatched Reliability
The core of this encoder’s performance lies in its mechanical integrity. The tapered shaft creates a perfectly rigid, backlash-free connection to the motor, ensuring that the control loop receives flawless position data for optimal dynamic response.6 The integrated stator coupling is engineered to compensate for minor axial play and thermal expansion, protecting the encoder’s bearings from stress and guaranteeing long-term accuracy and service life.
Complete Plug-and-Play Solution
This specific variant (ID 768295-54) comes as a complete kit with a 10-meter Heidenhain connection cable, pre-terminated for easy integration. This saves valuable installation time, reduces the potential for wiring errors, and ensures a clean, reliable connection right out of the box.
Primary Applications
Elevator Technology
The ECN 1313 is the gold standard for motor feedback in modern elevator systems, especially those with gearless permanent-magnet synchronous motors. Its technical features directly contribute to:
- Exceptional Ride Quality: Smooth, jerk-free acceleration and deceleration.
- Precise Floor Leveling: High system accuracy of ±20 arcseconds ensures the cabin stops perfectly level with the floor.
- Enhanced Safety: Absolute positioning means the system always knows the cabin’s location.
High-Performance Servo Drives
The same attributes that make this encoder ideal for elevators also make it a superb choice for general automation. It is perfectly suited for direct mounting on servo motors in applications such as CNC machinery, robotics, and automated assembly lines where both absolute positioning and dynamic speed control are critical.
Full Technical Specifications
| Category | Specification | Value |
| General | Model Number | ECN 1313 2048 62S12-78 |
| Â | ID Number | 768295-54 |
| Absolute Output | Data Interface | EnDat01 (EnDat 2.1 compatible) |
| Â | Positions per Revolution | 8192 (13 Bits) |
| Incremental Output | Signal Type | ~1VPP​ (Sine/Cosine) |
| Â | Line Count | 2048 |
|  | System Accuracy | ±20″ (arcseconds) |
| Electrical | Supply Voltage | 3.6 V to 14 V DC |
| Â | Electrical Connection | 12-pin PCB Connector |
| Mechanical | Shaft | Tapered Shaft Ø 9.25 mm (Taper 1:10) |
|  | Mounting | Stator Coupling for Ø 65 mm recess |
| Â | Max. Permissible Speed | 15,000 rpm |
|  | Permissible Axial Motion | ±0.5 mm |
| Environmental | Operating Temperature | -40°C to +115°C |
| Â | Protection Rating | IP40 (when mounted) |
|  | Vibration Resistance | ≤ 300 m/s² (EN 60068-2-6) |
|  | Shock Resistance | ≤ 2000 m/s² (EN 60068-2-27) |
| Included | Cable | 10 meters, pre-terminated |
Installation and Compatibility Notes
Confirming Your Part
To guarantee a 100% compatible replacement, please verify that the model number on your existing encoder matches ECN 1313 2048 62S12-78 exactly. The ID number should also match 768295-54 or a compatible variant like 768295-03. Using the correct ID ensures the firmware and specific configuration are a perfect match for your system.
Installation Best Practices
After mechanical installation, most drive systems (like Monarch) will require a “self-learning” or commissioning procedure to align the encoder’s position with the motor’s magnetic field. Always ensure the power is off before connecting the cable and double-check the pinout. Incorrect wiring can cause permanent damage to the encoder’s internal circuitry.
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