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Renishaw RGH22 User Manual

Renishaw RGH22
15 pages
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Installation guide
M-9531-9818-01-B
RGH22 RGS20 linear encoder system
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Renishaw RGH22 Specifications

General IconGeneral
BrandRenishaw
ModelRGH22
CategoryMedia Converter
LanguageEnglish

Summary

Product Compliance and Safety Information

CE Marking and Regulatory Compliance

Details FCC and RoHS compliance, and packaging recyclability.

FCC Compliance Requirements

Outlines conditions for FCC compliance and potential interference.

RoHS Compliance Statement

Confirms compliance with EC directive 2011/65/EU.

Disclaimer and Further Information

States disclaimer and directs users to additional documentation.

Storage and Handling Guidelines

Chemical Compatibility and Cleaning Agents

Lists compatible and incompatible solvents for cleaning and handling.

Environmental and Operational Conditions

Specifies temperature and humidity ranges for storage and operation.

Scale Bend Radius Requirements

Details minimum bend radius for the scale during installation and handling.

RGH22 Readhead Installation Dimensions

Key Dimensions and Tolerances

Provides detailed dimensional data for readhead mounting and alignment.

Actuator and Sensor Positions

Illustrates positions for limit switch and reference mark actuators.

Readhead to Scale Clearance

Shows required clearance between readhead and scale surface.

RGS20 Scale Installation Details

Scale Length and Actuator Placement

Shows overall and scale lengths, and actuator position ranges.

Scale Surface and Parallelism

Notes requirements for scale mounting surface roughness and parallelism.

Optional Bolted Reference Mark Actuator

Details dimensions for an optional bolted reference mark actuator.

Scale Application and Mounting

Scale Applicator Usage (RGA22/RGA22G)

Explains how to use scale applicators for installation.

Step-by-Step Scale Installation

Details the procedure for applying the scale to the substrate.

End Clamp Installation and Function

Describes fitting end clamps for scale stability and repeatability.

Actuator Installation and Types

Reference Mark and Limit Switch Placement

Guides on positioning actuators using the orange shim.

Available Limit Switch Actuators

Lists different size limit switch actuators.

Available Reference Mark Actuators

Shows options for epoxy-mounted and screw-mounted actuators.

Readhead Mounting and Alignment

Mounting Bracket Requirements

Specifies criteria for readhead mounting brackets for stability and adjustment.

Readhead Set-up Procedure

Details using spacers and checking the LED for correct rideheight and alignment.

Reference Mark Setup and Phasing

Ensuring Uni-directional Repeatability

Explains phasing the reference mark for consistent datuming.

Phasing Procedure and LED Feedback

Describes the process using the set-up LED and adjuster screw.

Output Signal Definitions

Incremental Signal Outputs (A, B)

Details quadrature signals for different models.

Reference Mark and Limit Switch Signals

Explains Z signal duration and limit switch outputs.

Alarm and External Set-up Signals

Describes alarm indication and external set-up signal usage.

Analogue Output Signals (1Vpp)

Incremental and Reference Signals

Details analogue V, V2, and V0 signals.

Reference Mark Direction Control

Explains BID/DIR pin functions for reference mark direction.

Readhead Speed Specifications

Lists maximum speeds and counter input frequencies for readhead types.

Electrical Connections and Termination

Grounding and Shielding Practices

Emphasizes proper connection of shields to machine earth and 0V.

Digital Output Signal Termination

Shows recommended termination for digital outputs with capacitors.

Analogue Output and Limit Signal Termination

Details termination for analogue V, V2, V0 and limit outputs.

Digital Output Specifications

Incremental Signal Characteristics

Defines signal period, resolution, and phase for digital outputs.

Reference and Limit Signal Outputs

Explains Z signal duration and limit switch outputs.

Alarm Output Conditions

Details conditions that trigger alarm outputs for different readhead types.

Analogue Output Specifications

Analogue Incremental Signals (V, V₂)

Describes sinusoidal analogue incremental signals.

Analogue Reference and Limit Signals

Details analogue reference pulse and limit output signals.

Analogue External Set-up Signal (Vx)

Explains the Vx signal for set-up purposes.

General Specifications

Power, Ripple, and Temperature Ratings

Lists power supply, ripple, and temperature limits.

Humidity, Sealing, and Environmental Resistance

Details humidity, sealing (IP50), and resistance to acceleration and vibration.

Mass and Cable Specifications

Provides mass of readhead and cable details including flex life.

Scale Specifications

Scale Type and Period

Describes RGS20-S and RGS20-P scale types and their period.

Linearity and Scale Length

Specifies linearity tolerances and available scale lengths.

Scale Form, Materials, and Fixing

Details scale dimensions, substrate compatibility, and end fixing methods.

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