IPG Photonics YLR-400 User Manual

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HP Switch Software

Part Number: P21-010106, YLR-Series SLED 3.0

Published: April 2015

Revision: B

DCO: 956

Management and Configuration Guide

YLR-Series User Guide

and Configuration Guide

Table of Contents

Questions and Answers:

N
Nicholas McguireAug 19, 2025
What to do if IPG Photonics Measuring Instruments show High Back Reflection error?
- J
  Joseph JohnstonAug 19, 2025
  If the Measuring Instruments by IPG Photonics display a 'High Back Reflection' error, it means the back reflected power has exceeded the pre-installed maximal applicable level. First, check that the focus position is correctly adjusted and that there are no surfaces that could cause high back reflection. Then, reset the error using the RS-232 command (“RERR”) or the touch-screen display on the front panel.
A
Alicia WatsonAug 21, 2025
Why do IPG Photonics Measuring Instruments show Overheat error?
- S
  Samantha GrayAug 22, 2025
  If you see a 'Overheat' error on your IPG Photonics Measuring Instruments, it indicates that the case temperature of the laser is too high. Check if the outside conditions are within the specified range and ensure sufficient airflow. The error message should disappear once the case temperature drops back within the operating range.
J
josephpetersAug 25, 2025
What to do if IPG Photonics Measuring Instruments show Power Supply Failure 2 error?
- D
  Diana LivingstonAug 25, 2025
  If your IPG Photonics Measuring Instruments display a 'Power Supply Failure 2' error, it means that while the internal main power supply is on and voltage is applied to the laser module, the voltage value is outside the expected range. Try resetting the error and ensure the internal main power supply is switched on. If the error continues, contact IPG Photonics for assistance.
K
Katelyn WilsonAug 26, 2025
What to do if IPG Photonics Measuring Instruments show Power Supply Failure error?
- K
  knightheatherAug 26, 2025
  If your IPG Photonics Measuring Instruments displays a 'Power Supply Failure' error, it indicates that, despite the internal main power supply being switched on, no voltage is being applied to the laser module. Try resetting the error. If the error persists, contact IPG Photonics for assistance.
D
David SpencerAug 28, 2025
What to do if IPG Photonics Measuring Instruments show Module Disconnected error?
- M
  Mark WhiteAug 28, 2025
  If your IPG Photonics Measuring Instruments show a 'Module Disconnected' error, it means that digital data communication with the laser module inside the device is broken. Try resetting the error. If the error appears again, contact IPG Photonics for assistance.
S
Sheri VillanuevaAug 30, 2025
What to do if IPG Photonics Measuring Instruments show Duty Cycle Too High error?
- J
  James NguyenAug 30, 2025
  If your IPG Photonics Measuring Instruments shows 'Duty Cycle Too High' error, the duty cycle is the percentage of how long the laser is in the “on” state in the given modulated period. Check the modulation signal and try to reset the error. If it appears again, contact IPG Photonics for assistance.
L
Latoya JonesSep 1, 2025
What to do if IPG Photonics Measuring Instruments show Internal Communication Error?
- N
  novakchristineSep 1, 2025
  If your IPG Photonics Measuring Instruments display a 'Internal Communication Error', it occurs when there is no connection to the Controller Area Network (CAN). Try to reset the error. If it appears again, contact IPG Photonics for assistance.
T
Tony EvansSep 3, 2025
What to do if IPG Photonics Measuring Instruments show High Pulse Energy error?
- P
  Patrick ShepardSep 3, 2025
  If your IPG Photonics Measuring Instruments show a 'High Pulse Energy' error, check the modulation signal. Try to reset the error. If it appears again, contact IPG Photonics for assistance.
C
coopervictoriaSep 5, 2025
What to do if IPG Photonics Measuring Instruments show Pulse Too Long error?
- S
  Sharon JacksonSep 6, 2025
  If your IPG Photonics Measuring Instruments display a 'Pulse Too Long' error, check the modulation signal. Try to reset the error. If it appears again, contact IPG Photonics for assistance.
P
parkerterriSep 7, 2025
What to do if IPG Photonics Measuring Instruments show Average Power Too High error?
- J
  Joel Patel MDSep 8, 2025
  If your IPG Photonics Measuring Instruments display a 'Average Power Too High' error, check the modulation signal. Try to reset the error. If it appears again, contact IPG Photonics for assistance.

IPG Photonics YLR-400 Specifications

General

Wavelength	1070 nm
Output Power	400 W
Cooling	Water-cooled
Power Stability	±1%
Mode of Operation	CW

Summary

1 Overview of the YLR-Series Fiber Lasers

Safety Information and Conventions

Explains safety symbols, conventions, and general safety instructions.

Safety Features and Compliance to Government Requirements

Details safety features and compliance with regulatory standards and government requirements.

General Safety Instructions

Provides essential safety recommendations and precautions for operating the laser.

Optical Safety

Details crucial safety measures related to optical hazards and eye protection.

Electrical Safety

Outlines essential safety precautions concerning electrical hazards and connections.

Environmental Safety

Covers environmental considerations and precautions for safe operation.

2 Using Your Device

Unpacking Instructions

Electrical Power and Connections

Details connecting electrical power, interface wires, and external circuits.

Interlock Safety Circuit

Explains the functionality and operation of the interlock safety circuit.

Interface Connector Pin Assignments

Initial Power-Up Sequence

Guides through initial power-up and explains the key switch operation.

System Operation and Control Modes

Laser Emission Modes and Sub-Modes

Pulse Shaper Program

3 Computer Interface/Commands

RS-232 Configuration

Ethernet TCP/IP Interface

Interface Commands

Lists and describes the commands used for controlling the laser via computer interface.

4 Pulse Shaping

Connection and Configuration

Details connecting via Ethernet/RS-232 and configuring the Pulse Shaper.

Pulse Shaper Program Usage

Shape Editor Tab

Scaling Editor

Sequence Editor

Pulse Activation Methods

Remote Control Interface

5 Troubleshooting

Error Messages and Solutions

Lists common error messages and their corresponding possible solutions.

A Web User Utility

Accessing the Web User Utility

B Service

Service and Repairs

Serviceable Items and Replacements

C Optical Fiber Connector Inspection and Cleaning

Inspection and Cleaning Procedures

Details the step-by-step process for inspecting and cleaning fiber optic connectors.

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