PEPPERL+FUCHS ENI90PL-H25JA5-1024UD1-RC1 Incremental Rotary Encoder

Technical Overview

Robust industrial hollow shaft encoder, Ø93mm, 25mm shaft, 1024 pulses, IP65, 4.75-30VDC, universal output driver, 400kHz max frequency, BlueBeam for precision.

Key Features

Hollow shaft design for direct mounting onto motor shafts
Robust Ø 93 mm housing for industrial durability
BlueBeam technology for enhanced measurement precision
Universal output driver (push-pull or RS422) for broad compatibility
High resolution (1024 pulses in this configuration, up to 5000 pulses overall)
Wide operating voltage range of 4.75 V to 30 V DC
Max. output frequency of 400 kHz
IP65 degree of protection against dust and water jets
Excellent shock (300 g) and vibration (30 g) resistance
Extended operating temperature range: -40 to 85 °C (fixed cable)
Low starting torque (≤ 0.1 Nm for IP65) for minimal impact on mechanics
Anodized aluminum shaft and powder-coated aluminum housing

Technical Specification Matrix

Parameter	Value
Device Type	Incremental Rotary Encoder
Housing Diameter	93 mm
Shaft Type	Hollow shaft
Shaft Diameter	25 mm
Pulse Count	1024 pulses
Flange Type	Spring plate, single short
Detection Type	Photoelectric sampling
Linearity Error	± 0.025°
Max. Pulse Count	5000 pulses
Operating Voltage (UB)	4.75 ... 30 V DC
No-load Supply Current	max. 50 mA
Output Type	Push-pull or RS422 (universal output driver)
Load Current	max. per channel 40 mA, short-circuit protected
Output Frequency	max. 400 kHz
Rise Time	300 ns
Phase Position A to B (< 3600 pulses)	90° ± 9° electrical
Phase Position A to B (≥ 3600 pulses)	90° ± 25° electrical
Duty Cycle	1/2 ± 10%
Degree of Protection (DIN EN 60529)	IP65
Housing Material	Powder coated aluminum
Flange Material	Aluminum, blank
Shaft Material	Anodized aluminum
Max. Rotational Speed (IP65)	6000 min⁻¹
Max. Rotational Speed (IP66/IP67)	3000 min⁻¹
Starting Torque (IP65)	≤ 0.1 Nm
Starting Torque (IP66/IP67)	≤ 0.25 Nm
Shaft Insulation	max. 2 kV
Shaft Load Axial	≤ 50 N
Shaft Load Radial	≤ 100 N
Shock Resistance (DIN EN 60068-2-27)	300 g, 6 ms
Vibration Resistance (DIN EN 60068-2-6)	30 g, 10 ... 2000 Hz
Operating Temperature (fixed installation)	-40 ... 85 °C (-40 ... 185 °F)
Operating Temperature (movable cable)	-5 ... 85 °C (23 ... 185 °F)
Storage Temperature	-40 ... 85 °C (-40 ... 185 °F)
Connection Alignment	Radial
Connection Type	Cable, 1 m
Cable Dimensions	Ø6 mm, 4 x 2 x 0.14 mm²
Electrical Interface	Universal output driver, UB 5 V ... 30 V
Physical Weight (kg)	0.7
Dimensions L x W x H (cm)	5.5 x 9.3 x 9.3

Industrial Applications

1. Precision Motion Control in Robotics

The ENI90PL-H encoder's high pulse count (1024 PPR) and BlueBeam technology enable highly accurate angular position feedback. Its universal output driver (RS422 compatible) ensures seamless integration with robotic controllers for precise joint articulation.

Problem Solved

Accurate and repeatable position tracking for multi-axis robotic arms and articulated machinery, crucial for delicate assembly tasks or high-speed pick-and-place operations, minimizing positioning errors and improving cycle times.

RoboticsAngular Position FeedbackMotion ControlPrecisionAutomationRS422 Interface

2. Industrial Conveyor Belt Speed Monitoring

With a hollow shaft design and high maximum rotational speed (6000 min⁻¹ for IP65), this encoder is perfectly suited for direct mounting onto conveyor motor shafts. The IP65 protection ensures reliable operation in dusty or wet industrial environments.

Problem Solved

Precisely monitoring the speed of conveyor belts to maintain synchronized material flow, prevent bottlenecks, and ensure consistent product quality in manufacturing or logistics lines, even under challenging environmental conditions.

Conveyor SystemsSpeed SensingProcess AutomationMaterial HandlingIP65Industrial Control

3. High-Speed Packaging Machine Synchronization

The encoder's universal output driver and high output frequency (max. 400 kHz) provide rapid and reliable feedback for synchronizing multiple axes in fast-paced packaging equipment. Its robust aluminum construction ensures longevity in demanding production settings.

Problem Solved

Achieving precise synchronization between various mechanical components (e.g., feeders, cutters, sealers) within high-speed packaging machines, which prevents material jams, reduces waste, and maximizes throughput for efficient production.

Packaging MachinerySynchronizationHigh-Speed AutomationRotary FeedbackProduction EfficiencyIndustrial Sensing