Numerik Jena LIA series User Manual

SIMPLY PRECISE
USER MANUAL
LIA SERIES
Optical Linear Encoder with Online Compensation

Numerik Jena LIA series Specifications

General

Brand	Numerik Jena
Model	LIA series
Category	Media Converter
Language	English

Summary

Features and Applications

Safety

General Information

General safety instructions and precautions for operating the encoder.

Notes on Legal Requirements

Information on EC standards, Product Safety Act, and PELV systems.

Notes on Transport, Storage and Handling

Guidelines for safe transportation, storage, and handling of encoders and scale tapes.

Notes on Operation

Operating instructions and precautions for the encoder.

Notes on Maintenance

Maintenance requirements and procedures for the encoder system.

Functional Elements

Online Compensation (Offset and Amplitude Control)

Explanation of how online compensation corrects signal deviations.

Switch Sensor

Details on the integrated opto-electronic switch sensor and its output settings.

Switch Foil

Information on applying switch foil for switch signals and mounting options.

Technical Data

Resolution and Accuracy (Definition)

Definition and explanation of resolution and accuracy parameters for the measuring system.

Mechanical Data

Specifications for dimensions, weight, speed, scale tape, and cable.

SINGLEFLEX and DOUBLEFLEX Scale Tape

Description of SINGLEFLEX and DOUBLEFLEX scale tape constructions and features.

Guide Tape and Mounting Tool (FAV)

Details on guide tapes and the FAV mounting tool for scale tape installation.

Electrical Data

Electrical specifications for output interfaces, voltage, and current consumption.

Switch-On Behaviour

Describes the encoder's behavior during power-up and reset.

Attainable Traversing Speed

Formula and factors determining the maximum traversing speed of the encoder.

Ambient Conditions

Specifications for operating and storage temperature, vibration, shock, and humidity.

Cable

Guidelines for installing scanning head and extension cables for optimal performance.

Connector Variants

Overview of different connector types with images and pin assignments.

PIN Assignment for LIA 20

Pin assignments for LIA 20 (15-pin D-Sub, 9-pin D-Sub, 12-pin Round).

PIN Assignment for LIA 21

Pin assignments for LIA 21 (15-pin D-Sub connector).

PIN Assignment for JST Miniature Connector

PIN assignments for LIA 20/21 with JST miniature connectors.

Electromagnetic Compatibility (EMC)

Guidelines for ensuring maximum protection against electrical and magnetic fields.

Shielding Concepts

Diagrams illustrating shielding concepts for LIA encoders.

Voltage Output 1 Vpp

Optimal connection circuit and signal curves for 1 Vpp voltage output.

Square-Wave Output RS 422

Optimal connection circuit and signal curves for RS 422 output.

Switch Sensor TTL

Optimal connection circuit and signal curves for TTL switch sensors.

Switch Sensor MOS-Relay LIA 21

Output circuitry for MOS-Relay switch signals for LIA 21.

Switch Sensor Open Collector

Optimal connection circuit for open collector switch sensors.

Connection Circuits for JST Miniature Connector

Recommended connection circuits for signal adjustment with JST connectors.

General Installation Notes

Delivery Contents

Lists standard and optional components included in the encoder delivery.

Installation Position

Recommendations for optimal installation position to avoid contamination and ensure proper function.

Scale Tape Position

Guidance on marking and aligning the scale tape relative to the scanning head.

Mounting Surfaces for Scanning Head and Scale Tape

Specifies required surface quality and dimensions for mounting components.

Mounting Steps

Step-by-step instructions for mounting the encoder system components.

Specifying the Switch Point of the Switch Sensor for LIA 21

Procedure for setting the switch point of the sensor for LIA 21.

Mounting Drawing - LIA 20 / 21

Scanning Head LIA 20 / 21

Technical drawing and dimensions of the LIA 20/21 scanning head.

Assignment of Scanning Head, Scale Tape and Measuring Length

Diagram showing how to align scanning head, scale tape, and define measuring length.

Using of Switch Sensor and Switch Foil (LIA 21)

Instructions on using the switch sensor and switch foil for LIA 21.

Signal Adjustment with ADJUSTMENT TOOL

Functions of the ADJUSTMENT TOOL

Overview of the features and capabilities of the ADJUSTMENT TOOL.

Dynamic Offset and Amplitude Control (Online Compensation)

Details on the dynamic compensation feature for signal correction.

Scope of Delivery

Lists the components included with the ADJUSTMENT TOOL.

EPIFLEX Software

Information about the EPIFLEX software for signal adjustment and optimization.

Cleaning

Measuring System

Procedures for cleaning the scale tape surface and scanning head sensor.

Scale Tape

Specific instructions for cleaning the scale tape to avoid damage.

Troubleshooting

Ordering Key

Scanning Head

Explains the ordering key structure for scanning heads.

LIK Series with Op-Amp Speed Charts

Speed charts for LIK series encoders with Op-Amp.

LIK Series without Op-Amp Speed Charts

Speed charts for LIK series encoders without Op-Amp.

Scale Tape

Explains the ordering key structure for scale tapes.

ADJUSTMENT TOOL

Lists the ADJUSTMENT TOOL and related optional components with order numbers.