Summary of Contents for Lazer Safe LS-CS-M-066
- Page 1 SENTINEL PRESS BRAKE GUARDING SYSTEM Operation Manual LS-CS-M-066 27 Action Road, Malaga WA 6090, Australia PO Box 2368, Malaga WA 6944, Australia +61 8 9249 4388 +61 8 9249 6011 info@lazersafe.com...
- Page 2 Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 Document Status Document Reference Code: LS-CS-M-066 Version: 1.06 Released: 03/07/2019 Page i Original Language Version: 1.06 Released: 03/07/2019...
- Page 3 Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 Document Revision History Date Manual Software Summary of Change Version Version 21/10/2014 1.00 New Manual 28/11/2014 1.01 Updated Supervisor password, minor corrections. 02/12/2014 1.02 Updated web link, title page, copyright notice, Info Screen section.
- Page 4 Copyright in this documentation is owned by Lazer Safe Pty Ltd. No part of this document may be reproduced or copied in any form or by any means (graphic, electronic, or mechanical including photocopying, recording, taping, or information storage and retrieval systems) without the written permission of Lazer Safe Pty Ltd.
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Page 5: Table Of Contents
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 Table of Contents Error! Bookmark not defined. About This Manual ........................1 Document Objectives ......................1 Technical Competence Requirements ................... 1 Document Organisation ...................... 1 Related Documentation ....................... 1 Guide to Notes, Cautions and Warnings ................2 Obtaining Technical Assistance .................... - Page 6 Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 Mounting Brackets ......................14 Tool Change ........................14 Adjustment After Tool Change ................... 14 Periodic Alignment Check ....................16 The Sentinel User Interface Panel ..................17 User Interface Overview ....................17 Error Reset Indicator and Reset Button ................18 Optional Indicators ......................
- Page 7 Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 User and Supervisor Menus ....................40 9.1.1 Selecting Menu Parameters ................. 41 9.1.2 Setting Option Parameters .................. 42 9.1.3 Setting Numeric Parameters ................42 User Menu ........................43 9.2.1 Parameter 0 – Buzzer On/Off ................43 Supervisor Menu ......................
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Page 8: About This Manual
• Obtaining Technical Assistance. Document Objectives This manual provides information about the operation of the Lazer Safe Sentinel Press Brake Guarding System. Technical Competence Requirements All operators of the Sentinel Press Brake Guarding System should be trained in its use, and the press brake upon which it is installed in a manner that complies with established safety practices. -
Page 9: Guide To Notes, Cautions And Warnings
The operation manual for your light curtains (optional). Guide to Notes, Cautions and Warnings Note: This symbol indicates helpful information that helps you make better use of your Lazer Safe product. Caution: This symbol alerts you to situations that could result in equipment damage. Warning: This symbol indicates danger. -
Page 10: Critical Safety Information
• The Sentinel system must be installed either in the press brake factory, or by specialist technicians trained by Lazer Safe (or its authorised representatives). • The operator must be fully conversant with the operation of the press brake and the risks associated with it, as well as the operation of the Sentinel Press Brake Guarding System. -
Page 11: Requirements For Factory-Fitted Systems-Within The European Union
Similarly, any alteration of the Sentinel system, or its bridging, or both, either in part or full is expressly prohibited. Access to the electrical equipment cases of the machine control unit and the components within them is restricted to personnel trained and authorised for this purpose by Lazer Safe. Page 4 Original Language Version: 1.06... -
Page 12: System Overview
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 System Overview The Lazer Safe Sentinel Press Brake Guarding System is a guarding system designed for hydraulic press brakes that provides a highly effective solution for both operator protection and machine productivity. -
Page 13: System Components
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 System Components The system contains the following components: • LZS-2 Transmitter/Receiver pair. • PGS-2 Safety Controller. • Sentinel User Interface Panel. • Optical Rotary Encoder. • Bracket system for the LZS-2 Transmitter and Receiver. - Page 14 Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 Behind the front window of the LZS-2 receiver are two parallel laser sensors, sensor A and sensor B, that extend horizontally across the window. When the receiver is correctly aligned sensor A is 4mm below the tool tip, and sensor B is 14mm below the tool tip. Each of these sensors is divided into three zones;...
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Page 15: Laser Classification And Warnings
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 3.3.2 Laser Classification and Warnings Warning: CLASS 1 LASER DEVICE The LZS-2 block laser transmitter emits a CLASS 1 laser approximately 48 mm x 30 mm. Do not stare directly into the lasers or the transmitter window. -
Page 16: Obstruction Detection - When Tools Are Closing
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 Note: The LZS-2 transmitter never turns off the block laser during normal operation. The LASERS INACTIVE message refers to a previous model of laser guards, and is maintained for backwards compatibility. 3.4.2 Obstruction Detection –... -
Page 17: Tray Mode - From A Stationary Position
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 3.5.1 Tray Mode - From a Stationary Position If there is no obstruction to any of the sensors then the system operates as it does in Normal Mode (refer Section 3.4). If the front and/or rear of the sensors are obstructed when the pedal is pressed, then the tools will not close and the message Front/rear sensor blocked –... -
Page 18: Back Gauge Mode
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 2. On the second pedal press the beam moves down in high speed with the front and rear of the sensors muted for the entire stroke. An obstruction to the front or rear of a sensor will not halt the machine and it will continue down in high speed until the mute point. -
Page 19: Tool Set-Up Mode (Optional)
DOCUMENTATION BEFORE OPERATING LIGHT CURTAIN MODE The light curtain is a third party device and is not manufactured or supplied by Lazer Safe. Please ensure that the light curtain is installed and configured according to the manufacturer’s instructions. Ensure the machine operator has... -
Page 20: Closed Loop Design
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 The receiver is simply adjusted so that the laser is aligned to the window area. After the tool change is complete the mute point is then quickly and easily reset during the first stroke. -
Page 21: Transmitter And Receiver Adjustment
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 Transmitter and Receiver Adjustment Initial Alignment When the system is first installed, a complete alignment of the laser transmitter and receiver is required. Refer to LZS-2 Alignment Guide (LS-CS-M-101) for detailed step by step instructions. - Page 22 Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 The operator attaches the alignment card to the punch, locating the tool tip as shown in Figure 4-2. Figure 4-2: Fitting the Alignment Card to the Punch Next, hold the bottom of the transmitter unit with one hand, and with your other hand turn the locking handle on the transmitter bracket to release the clamp.
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Page 23: Periodic Alignment Check
3.4), and set again on the first stroke with the new punch. Periodic Alignment Check The alignment of the transmitter, receiver and punch should be checked using the supplied Lazer Safe alignment cards at the following times. • After system start-up. •... -
Page 24: The Sentinel User Interface Panel
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 The Sentinel User Interface Panel User Interface Overview The User Interface Panel is an advanced, industrial grade Human Machine Interface (HMI) specifically designed for the Sentinel system. The operator controls the Sentinel Press Brake Guarding System through a simple, menu-style user interface. -
Page 25: Error Reset Indicator And Reset Button
See the Status and Action screens of the Sentinel User Interface for further information. If the error cannot be cleared contact your supplier or Lazer Safe Customer Support for assistance. Optional Indicators... -
Page 26: Status And Action Windows
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 5.4.1 Status and Action Windows The Status window informs the operator of the current status of the Sentinel system, and the machine it is guarding. The information provided by the Status screen includes: •... -
Page 27: Mode Select Screen
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 Light Curtain Sensor A, B If laser guarding is If light curtain guarding is selected this symbol shows selected these symbols show the status of the the status of the receiver sensor – green for clear, red FRONT, MIDDLE and for obstructed. -
Page 28: Menu Screen
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 Menu Screen The Menu screen gives access to the menus that are used to configure the way that the Sentinel system operates. There are three levels of access to the menu system; User, Supervisor and System. -
Page 29: User Guides
The User Guides are simple, step by step graphical guides for common procedures that need to be performed regularly on Lazer Safe equipment (such as how to align LZS-2 laser guards). If the guide contains more than one page, the left/right arrow keys can be used to navigate the pages of the guide. -
Page 30: System Information
Connected or Not connected. • HMI type. The User Interface Panel or HMI is used in several Lazer Safe guarding products. This is the particular guarding system for which the panel has been configured. - Page 31 Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 • Stop Distance. Measured by the PGS-2 each time the beam is stopped. • Stop Time Limit. The maximum allowable stopping time for the machine, and only applies when light curtain guarding is active (stopping performance is normally indicated by the stopping distance).
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Page 32: System Operation
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 System operation This section describes the operation of the Sentinel Press Brake Guarding System from power up. Power-up When the Sentinel is first powered it displays a start-up screen with the message SYSTEM STARTING –... -
Page 33: Setting The Mute Point
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 Before performing the overrun test check the following. • Open the tools to a minimum opening of 100mm. • Check that the transmitter and receiver are correctly aligned. • Check the laser to punch distance. - Page 34 Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 STATUS SET MUTE POINT 0000 ACTI ON PRESS FOOT PEDAL TOOL M OD E M ENU INFO SETU P SELECT Figure 6-4: Set Mute Point Prompt Screen Note: During mute point set-up the Sentinel Press Brake Guarding System uses only the front and middle detection zones of the sensors to detect the material.
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Page 35: Resetting The Mute Point
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 STATUS Sensors blocked 4220 ACTI ON RELEASE FOOT PEDAL TOOL M OD E M ENU INFO SETU P SELECT Figure 6-6: Laser B Obstructed by the Material Release the foot pedal. The Status screen changes to a red background, and prompts the... -
Page 36: Selecting Tray/Box Modes
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 When pressed and released, the MUTE RESET button will flash three times while the mute point is cleared. During this time the message Mute point resetting – PRESS FOOT PEDAL TO CANCEL is displayed. After the reset is complete, the screen again appears as in Figure 6-4 prompting the operator to SET MUTE POINT –... -
Page 37: Selecting Field Muted Mode
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 The selected mode is displayed as a message in the Status screen (as long as no error messages are current), and as a symbol in the Sensor window. Figure 6-10 shows the Sensor window for (left to right) Normal, Tray and Tray 2 modes. If an external mute lamp has been connected, it will flash slowly in Tray/Tray 2 mode. - Page 38 Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 Warning: NO OPTICAL PROTECTION IN FIELD MUTED MODE In Field Muted mode, all optical guarding is deactivated. Although the Sentinel Press Brake Guarding System ensures that the machine does not exceed safe speed in this mode, particular caution must still be exercised.
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Page 39: Exiting Field Muted Mode
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 6.6.1 Exiting Field Muted Mode To exit Field Muted mode and return to Normal mode press the GUARD MODE button when the tools are open. If the tools are not open, the Status window will display the message Open tools to enable button function. -
Page 40: Exiting Stop At Mute Mode
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 There are two Stop at mute symbols that can be displayed in the Sensor window. Stop at mute – optical protection is active. Stop at mute – optical protection is muted. 6.7.1 Exiting Stop at Mute Mode To turn off Stop at Mute mode, press the MUTE STOP button when the tools are open. -
Page 41: Exiting Back Gauge Mode
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 6.9.1 Exiting Back Gauge Mode To turn off Back Gauge mode, press the BACK GAUGE button when the tools are open. If the tools are not open, the Status window will display the message Open tools to enable button function. -
Page 42: Emergency Stop Operation
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 Press any button to exit Figure 6-18: Tool Setup Mode Screen 6.11 Emergency Stop Operation Depending upon your installation, external inputs may be connected to the PGS-2 which trigger emergency stops (E-Stops). When an E-Stop occurs, operation of the machine is immediately stopped, and cannot continue until all E-Stop conditions are cleared. - Page 43 Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 If the Sentinel detects any voltages on the EDM inputs and the system has not been configured for EDM, it will display the message EDM wiring does not match EDM option - CHECK EDM MENU OPTION.
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Page 44: Light Curtain Mode (Optional)
PARAMETER 5 – Guard type selection, and press the ENTER button. Supervisor Parameter 5 has two options: • Planar Laser. Enables the Lazer Safe LZS-2 optical protection (and disables the light curtains). • Light Curtain. Enables the OEM light curtain optical protection (and disables LZS-2 laser guarding). - Page 45 Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 SUPERVISOR PARAMETER 5 Guard type selection ENTER Figure 7-1: Supervisor Parameter 5 Note: The LZS-2 is a block laser system. The Planar Laser message refers to a previous model of laser guards, and is maintained for backwards compatibility.
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Page 46: Setting The Mute Point
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 Setting the Mute Point Upon returning to the Main screen, the operator will be prompted to set the mute point by the message SET MUTE POINT – PRESS FOOT PEDAL. When using laser optical protection the... -
Page 47: User And Supervisor Menus
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 User and Supervisor Menus The Menu screen gives access to the menus that are used to configure the way that the Sentinel system operates. There are three levels of access to the menu system; User, Supervisor and System. -
Page 48: Selecting Menu Parameters
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 Once a menu has been selected the parameters can be navigated, selected and edited. The parameters are stored in non-volatile memory that is maintained even when the Sentinel system is powered down. -
Page 49: Setting Option Parameters
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 8.1.2 Setting Option Parameters Option parameters are navigated in the same way as menus, using the buttons described in Figure 8-2 Table 8-2. The arrow buttons step through the list of options; the desired option is then selected by pressing the ENTER button. -
Page 50: User Menu
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 Note: The Sentinel system will not allow a value to be entered which is outside of the allowable range for that parameter. The valid range of values is displayed next to the parameter’s name in the Parameter screen (ignore the units). If an attempt is made to exceed the valid range, an Entry out of range message is displayed, and the value will not be saved. -
Page 51: Parameter 1 - Field Muted Button Functionality
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 Use the ► button to navigate the digits, and the ▲▼ buttons to change the digit value. Changes can be abandoned at any time by pressing the button. When the desired digit has been set press the ENTER button, the value will be written into the Sentinel’s non-volatile... -
Page 52: Parameter 5 - Guard Type Selection
The parameter has two options: • Planar Laser. Enables the Lazer Safe LZS-2 optical protection (and disables the light curtains). The label “Planar Laser” refers to a previous model of laser guards, and is maintained for backwards compatibility. -
Page 53: Operator Instruction And Demonstration
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 Operator Instruction and Demonstration Installer Reference #: _______________ Instructor's Name: _________________ Company: _______________________ Signature: ________________________ Date: ___________________________ Ensure that the responsible person - Operator, Foreman or Manager (whoever the company designates as responsible) reads and understands the manual (translate if necessary). -
Page 54: Operation In Normal Mode
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 Operation in Normal Mode Refer to Section 3.4 for a detailed description. Refer to Section 6.5 for selecting guard modes. • Ensure that it is understood what happens when the system runs in normal mode. -
Page 55: Setting The Laser Position
DOCUMENTATION BEFORE OPERATING LIGHT CURTAIN MODE The light curtain is a third party device and is not manufactured or supplied by Lazer Safe. Please ensure that the light curtain is installed and configured according to the manufacturer’s instructions. Ensure the machine operator has... -
Page 56: Up-Acting Option (If Installed)
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 Warning: NO OPTICAL PROTECTION IN TOOL SET-UP MODE In Tool Set-up Mode, all optical guarding is deactivated. Although the Sentinel Press Brake Guarding System ensures that the machine does not exceed safe speed in this mode, particular caution must still be exercised. -
Page 57: Maintenance
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 Maintenance 10.1 Transmitter & Receiver To maintain the transmitter and receiver, the filter window on both units should be regularly inspected to ensure they are free from finger prints, grease, dirt and scratches. The filter window should be replaced if it is damaged in any way. -
Page 58: Glossary Of Terms
Sentinel Press Brake Guarding System Operation Manual LS-CS-M-066 Glossary of Terms Term Description Approach The closing movement of the tools Approach signal A signal from the press brake controller to the Sentinel system to indicate that the foot pedal has been pressed to allow the tools to...
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