Rice Lake LaserLT-60 User manual

LaserLT-60 and LaserLT-100
Large-Display Weight Indicators
Firmware Version: 8.05
Technical Manual
LaserLT-60
LaserLT-100
PN 203090 Rev BJanuary 29, 2021

An ISO 9001 registered company
© Rice Lake Weighing Systems. All rights reserved.
Rice Lake Weighing Systems® is a registered trademark of
Rice Lake Weighing Systems.
All other brand or product names within this publication are trademarks or
registered trademarks of their respective companies.
All information contained within this publication is, to the best of our knowledge, complete and
accurate at the time of publication. Rice Lake Weighing Systems reserves the right to make
changes to the technology, features, specifications and design of the equipment without notice.
The most current version of this publication, software, firmware and all other product
updates can be found on our website:
www.ricelake.com

Contents
Contents
Technical training seminars are available through Rice Lake Weighing Systems.
Course descriptions and dates can be viewed at www.ricelake.com/training
or obtained by calling 715-234-9171 and asking for the training department.
© Rice Lake Weighing Systems ● All Rights Reserved i
1.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.1 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.2 FCC Compliance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.3 Product Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.4 Product Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.0 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.1 Grounding the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 Wiring Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.3 Basic Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3.1 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.4 Legal-for-Trade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.4.1 LED Modification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.4.2 Sealing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.0 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.1 Power On . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.2 Standby . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.3 Power Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.4 Zero. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.5 Tare. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.5.1 Semiautomatic Tare . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.5.2 Manual Tare . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.5.3 Cancel a Tare. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.5.4 Locked or Unlocked Tare . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.6 Multi-Range Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.7 Display Configuration Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.8 Selecting the Channel to be Displayed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.9 Simultaneous Transmitter Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.10 Selecting Printing Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.11 Selecting the Operating Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.11.1 Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.11.2 Alibi Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.11.3 Sensitivity Times Ten . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.11.4 Peak Hold Weight Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.0 Setup Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.1 Menu Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.2 Quick Setup Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4.2.1 Default Factory Calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4.2.2 Quick Scale Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.2.3 Input Functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.2.4 Output Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.3 Setup Mode Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4.3.1 Type Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4.3.2 F.Mode Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4.3.3 Setup Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.3.4 Diagnostic Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.4 Configuration Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

LaserLT-60 and LaserLT-100 Large-Display Weight Indicators
ii Visit our website www.RiceLake.com
Rice Lake continually offers web-based video training on a growing selection
of product-related topics at no cost. Visit www.ricelake.com/webinars
4.4.1 Filter Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.5 Input/Output Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
4.5.1 Inputs Functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
4.5.2 Output Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
4.6 Audit Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
4.6.1 Access the Audit Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
5.0 Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
5.1 Calibration Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
5.1.1 Calibration Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
5.2 Scale Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5.3 Calibration Single Channel (Known Weight) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5.4 Calibration Multi Channel (Known Weight) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5.5 Calibration With Linearization Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5.5.1 Dependent Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5.5.2 Independent Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
5.6 Theoretical Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
5.6.1 Independent Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
5.6.2 Dependent Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
5.7 Gravity Setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
5.8 Zero Dead Load A/D Counts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.0 Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
6.1 Serial Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
6.1.1 COM1 Serial Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
6.1.2 COM2 Serial Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
6.2 Serial Port Transmission Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
6.2.1 PC Port Selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
6.2.2 PRN PORT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
6.2.3 PC PORT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
6.3 Serial Commands Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
6.4 Transmission Protocols. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
6.4.1 Standard String . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
6.4.2 Extended String . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
6.4.3 Multi-Scale String . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
6.4.4 Secondary Mode Strings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
6.5 Connection to a Remote Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
7.0 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
8.0 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Introduction
© Rice Lake Weighing Systems ● All Rights Reserved 1
1.0 Introduction
The purpose of this manual is to help the technician understand the LaserLT-60 and LaserLT-100 Large-Display Weight
Indicator functioning modes, key functions, display indications, setup and configuration. This manual applies to indicators using
version 8.05 or higher. Configuration and calibration of the indicator can be accomplished by pressing the indicator front panel
keys, the serial command set or the RLTools utility. The LaserLT-60 and LaserLT-100 Large-Display Weight Indicators are
designed to work with up to 4 load cells in either a dependent or independent channel mode.
Manuals and additional resources are available from the Rice Lake Weighing Systems website at www.ricelake.com
Warranty information can be found on the website at www.ricelake.com/warranties
1.1 Safety
Safety Signal Definitions:
Indicates an imminently hazardous situation that, if not avoided, will result in death or serious injury. Includes
hazards that are exposed when guards are removed.
Indicates a potentially hazardous situation that, if not avoided, could result in serious injury or death. Includes
hazards that are exposed when guards are removed.
Indicates a potentially hazardous situation that, if not avoided, could result in minor or moderate injury.
Indicates information about procedures that, if not observed, could result in damage to equipment or corruption
to and loss of data.
General Safety
Do not operate or work on this equipment unless this manual has been read and all instructions are understood.
Failure to follow the instructions or heed the warnings could result in injury or death. Contact any Rice Lake
Weighing Systems dealer for replacement manuals.
Failure to heed could result in serious injury or death.
Electric shock hazard!
There are no user serviceable parts. Refer to qualified service personnel for service.
The unit has no power switch, to completely remove power from the unit, disconnect the power source.
For pluggable equipment the socket outlet must be installed near the equipment and must be easily accessible.
Always disconnect from main power before performing any work on the device.
Do not allow minors (children) or inexperienced persons to operate this unit.
Do not operate without all shields and guards in place.
Do not use for purposes other then weighing applications.
Do not place fingers into slots or possible pinch points.
Do not use this product if any of the components are cracked.
Do not make alterations or modifications to the unit.
Do not remove or obscure warning labels.
Do not use near water, avoid contact with excessive moisture.
DANGER
WARNING
CAUTION
IMPORTANT
WARNING

LaserLT-60 and LaserLT-100 Large-Display Weight Indicators
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1.2 FCC Compliance
United States
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC
Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated
in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and
used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this
equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the
interference at his own expense.
Canada
This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio
Interference Regulations of the Canadian Department of Communications.
Le présent appareil numérique n'émet pas de bruits radioélectriques dépassant les limites applicables aux appareils
numériques de la Class A prescites dans le Règlement sur le brouillage radioélectrique edicté par le ministère des
Communications du Canada.

Introduction
© Rice Lake Weighing Systems ● All Rights Reserved 3
1.3 Product Dimensions
Product Dimensions
LaserLT-60
LaserLT-100
Standard Mounting
Bracket for LaserLT-60
and LaserLT-100
Optional Side Mount
Bracket for LaserLT-100
Table 1-1. Product Dimensions
16.14''
410 mm 4.84''
123 mm
6.49''
165 mm
16.93''
430 mm 3.98''
101 mm
7.28''
185 mm
2.36''
60.0 mm
1.57''
40.0 mm
10.5 mm
0.41''
10.0 mm
0.39''
16.5 mm
0.65''
30.0 mm
1.18''
10.0 mm
0.39''
10.0 mm
0.39''
2 x Ø 6.0 mm
2 x Ø 0.24''
2 x Ø 9.0 mm
2 x Ø 0.35''
15.0 mm
0.59''
21.5 mm
0.85''
140.0 mm
5.51''
76.0°
AB
2 x Ø 0.28''
2 x Ø 7.0 mm
7.0 mm
0.28''
B
A
0.43''
11.0 mm
3.15''
80.0 mm
40.0 mm
1.57''
1.06''
27.0 mm
50.0 mm
1.97''
105.0 mm
4.13''
Ø 6.5 mm
Ø 0.26''
A
B
50.0 mm
1.97''

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1.4 Product Displays
The front panel of the LaserLT-60 Weight Indicator has a six digit display that is 2.4" high, six LED annunciators and five
function keys.
The front panel of the LaserLT-100 Weight Indicator has a six digit display that is 3.9" high, six LED annunciators and five function keys.
Figure 1-1. LaserLT-60 Weight Indicator Front Panel
The following table describes the function keys:
The following table describes the function LEDs:
Net, W1 and W2 require setting values in Adv.CEd. The labeled default unit of measurement is pound.
A kilogram sticker label is provided with the unit to indicate a change in units of measurement.
Stickers for unit of measurement are provided to replace W1 and W2 function LED labels.
Key Description
Zero – Clears the displayed gross weight of up to ± 2% of the total capacity; Cancels tare;
At power up – Momentary press during startup displays current settings (Section 3.1 on page 8);
In setup – Scroll through parameters;
In numeric input – Decreases the digit to be modified;
To modify display intensity press and hold until  (Lint 01) displays then press again to increment the
display intensity from  –  (Lint 01 – Lint 05)
Tare – Momentary press executes semiautomatic tare; Cancels tare;
At power up – Momentary press during startup displays Setup mode (Section 4.1 on page 15);
Long press allows for entering a manual tare from the keyboard;
In setup – Scroll through the parameters;
In numeric input – Increases the digit to be modified
Mode – Executes a specific function (set in the Setup mode) (Section 3.11 on page 12);
Long press allows for toggling the displayed channel (if configured in Independent Channels mode (Ind.Ch);
At power up – Momentary press during startup displays quick Setup menu (Section 4.2 on page 16);
In setup – Enter into a parameter or to confirm a setting;
In numeric input – Confirms the entry made
Print – Executes a specific function (set in the Setup mode) (Section 4.4.1 on page 24);
Executes a printout or transmission of data from the serial port dedicated to the printer;
In setup – Enter into a parameter or to confirm a setting;
In numeric input – Confirms the entry made
Clear (Power On/Off) – Turns the instrument on and off;
In setup – Press multiple times to display SAvE? and/or press to exit a step without confirming the setting;
In numeric input – Momentary press clears the present value;
Long press beyond -off- – Displays information of the scale (capacity, division, minimum weight for each
configured range, gravitational acceleration value, number of configured channels)
Table 1-2. Front Panel Key Descriptions
Annunciator Description
>0< Illuminates when the weighing system is within ±1/4 division of zero
~Illuminates when the weight is unstable
Net Illuminates when a tare is established, measuring net weight
W1 Indicates the activation of the first output (Sp1)
W2 Indicates the activation of the second output (Sp2)
Func Illuminates:
• When the specification function of the instrument is active (set in F.ModEFUnCt parameter)
• When a key is pressed
Turns off:
• When the specification function of the instrument is disabled with an active function
• Blinking indicates instrument function is active for five seconds
Table 1-3. LED Annunciator Descriptions
Note

Installation
© Rice Lake Weighing Systems ● All Rights Reserved 5
2.0 Installation
This section provides an overview of LaserLT-60 and LaserLT-100 Weight Indicator installation.
Install the instrument on a stable, vibration free, flat surface. Disconnect from power source to completely power off the
instrument. The back mounting bracket is for vertical mounting. An optional side mount for horizontal surfaces is available for
the LaserLT-100.
Remove protective film from the overlay as it may become difficult to remove if exposed to heat or sunlight.
2.1 Grounding the System
For proper grounding and optimal functioning of the system, it is necessary to create a single point ground in proximity of the
instrument on which to connect the ground of the instrument, an interface cable and shields. Connect the ground point of the
weight indicator directly to the ground bar of the electric panel or to a grounding rod.
2.2 Wiring Schematic
For proper device wiring, refer to the schematic below:
Figure 2-1. Wiring Schematic
Pins 3 – 12 and 18 – 35 are not used for remote display models.
Connector Pin Function
12/24 VDC 1 +24 VDC
2 GND
RS-485 Serial Port 13 (A) 485 + Line
14 (B) 485 - Line
RS-232 Serial Port 15 (TX) Transmit
16 (RX) Receive
17 GND
Table 2-1. Weight Indicator Connections
IMPORTANT
Note

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2.3 Basic Operation
Power must be provided to the LaserLT through an external AC/DC charger that supplies a stabilized voltage of 12 VDC to
24 VDC while connected to an appropriately rated AC power supply. Connect the two power supply wires to the appropriate
terminals on the side of the instrument.
2.3.1 Power Supply
The instrument is supplied with an AC power cord, connected to an internal AC/DC power adapter. To power the instrument
with 12 VDC or 24 VDC, connect the power supply cable directly to the terminal strip on the CPU board, see J1 in Figure 2-1 on
page 5. This input is for static DC, not for an automotive source.
The maximum power of the outputs 48 VAC 0.15A max (or 60 VDC 0.15 A max), the maximum voltage applicable to the inputs
is between 12 VDC and 24 VDC with current from minimum 5 mA to maximum 20 mA.
2.4 Legal-for-Trade
In Legal-for-Trade applications, it is necessary to modify and seal the unit.
2.4.1 LED Modification
Cover the lower LED of each decimal separator with black epoxy or equivalent.
Do not cover or block the upper LED. Each digit must show a period.
If any digit displays a coma while powered on the device is not Legal-for-Trade.
Figure 2-2. Black Epoxy LED Modification
Note
Black Epoxy
LED Modification

Installation
© Rice Lake Weighing Systems ● All Rights Reserved 7
2.4.2 Sealing
In certain Legal-for-Trade applications, it is necessary to seal the unit to restrict access.
Seal the LaserLT-60 and LaserLT-100 Weight Indicators as shown below:
For proper sealing, four standoff screws (PN 202259) (not provided) are required.
1. Remove the four corner screws of the unit.
2. Install four standoff screws (PN 202259) (not provided) where the four corner screws have been removed in Step 1.
3. Feed sealing wire through two standoff screws located on the same side of the unit.
4. Crimp the sealing wire for proper sealing.
5. Repeat for the other side of the unit.
Figure 2-3. LaserLT-60 Weight Indicator Four-Point Sealing Method
Seal the LaserLT-100 Weight Indicator as shown below:
Figure 2-4. LaserLT-100 Weight Indicator Four-Point Sealing Method
Note
Sealing Wire Sealing Wire
Standoff Screws
(PN 202259)
Standoff Screws
(PN 202259)
Sealing WireSealing Wire
Standoff Screws
(PN 202259)
Standoff Screws
(PN 202259)

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3.0 Operation
This section provides an overview of LaserLT-60 and LaserLT-100 Weight Indicator operation.
3.1 Power On
Press until the unit powers on. The unit executes a start up procedure and displays the installed software version.
An auto zero function zeros the instrument at startup if the weight detected on the scale is ± 10% of the capacity.
If the weight is not within this tolerance the instrument displays ZERO and, after 10 seconds, the current weight is displayed.
The auto zero function at startup can be disabled in the Setup mode.
See SEtuPConFiGPArAMAuto-0 in Table 4-6 on page 22.
To view the following settings momentarily press while the display self-check is running:
•XX.YY – XX – The software release and YY is the sub release
•XX.YY – XX – Indicates the type of instrument, YY indicates the software version
•XX.YY.ZZ – The installed software version
•XXXXXX – The name of the installed software
•XXX.XXX – Capacity and division of channel 1
•hi rE S – Displayed together with the gravitational acceleration value of the area of use
The instrument then executes a self-check.
3.2 Standby
Press then hold until OFF displays. The LED at the left of the display remains on.
3.3 Power Off
To completely power off the unit, remove the power supplied voltage.
3.4 Zero
Press to zero a gross weight within ± 2% of the total capacity (or as set). Weight value displays as 0 and the relative
annunciators illuminate.
3.5 Tare
3.5.1 Semiautomatic Tare
Press to tare the weight value on the scale. tArE displays momentarily then 0 displays (net weight). The relative
annunciators illuminate.
3.5.2 Manual Tare
Press for a few seconds. -tM- displays and then 000000. Enter the desired tare value with the following keys:
• selects the digit to be modified (moves left to right, selected digit blinks)
• decreases the blinking digit
• increases the blinking digit
• momentary press clears the present value, long press returns to the Weigh mode without saving changes
• confirms the entered tare value
The tare value is subtracted from the weight on the scale and the relative annunciators illuminate.
The entered tare will be rounded off to the nearest division.
Note
Note

Operation
© Rice Lake Weighing Systems ● All Rights Reserved 9
3.5.3 Cancel a Tare
A tare value can be manually canceled in multiple ways:
• Unload the scale and press or
• Press without unloading the scale
• Enter a manual tare equal to zero
3.5.4 Locked or Unlocked Tare
When a tare value is entered manually, automatically or from storage the tare value displays with a negative sign when the
scale is unloaded. This is known as a locked tare. An unlocked tare is automatically canceled each time the scale is unloaded.
To set the tare type:
1. Turn on the instrument and press while the firmware version displays. F.Mode displays.
2. Press to enter the menu.
3. Press or until tArE displays. Press to select.
4. Press or to scroll through options.
•LoCK – Locked tare
•unLoCK – Unlocked tare
•diSAb – Disable tare
5. Press to confirm selection.
6. Slowly press multiple times until SAVE? displays.
• Press to confirm and store to the instrument memory
• Press any other key to cancel and exit without saving
3.6 Multi-Range Function
The multi-range function allows for subdividing the scale capacity in two, each up to 3000 divisions.
Example: With a 10 kg cell platform it is possible to approve the weighing system with:
Single Range: 6 kg capacity and 2 g division (3000 div.)
Dual Range: 6/3 kg capacity and 2/1 g division (3000 + 3000 div.)
Multi-range functioning is indicated by illumination of the relative LED identifying the operating range.
When the weight on the scale enters into the second range, the division of the second range is enabled.
The first range division is restored only when the weight on the scale goes below the gross zero of the scale.
The selection of the range number with multi-range functioning is made during the instrument’s calibration
(Section 5.0 on page 30).
Note

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3.7 Display Configuration Data
The INFO function makes it possible to view the configuration data:
• First range capacity, first range minimum weight, first range division
• Second range capacity, second range minimum weight, second range division (if set)
• Gravitational Acceleration Value
The minimum weight corresponds to 20 net weight divisions.
The data of the second range appears only if a range is configured.
To view the configuration data:
1. Press and hold until inFO displays.
2. Release . The capacity value of the first range displays. Press or to scroll forward or back through the
following data.
• First range capacity (Ch1.MAX)
• First range minimum weight (Ch1.Min)
• First range division (Ch1.E)
• Second range division (Ch1.MAX)
• Second range minimum weight (Ch1.Min)
• Second range division (Ch1.E)
• Gravitational Acceleration Value (GrAVit )
• Number of Configured Channels (ConF.Ch)
3. Press to return to the Weigh mode.
Pressing when information of the currently active channel is displayed allows for the data of the other configured channels
to be viewed. This selects and pauses the information for each channel, otherwise the information automatically cycles through
all channels.
Example: If channels 2 and 3 are configured, for the maximum capacity of the 1st range:
1st range capacity channel 1 (1 Ch1.MAX). Press . 1st range capacity channel 2 (Ch2.MAX).
Press . 1st range capacity channel 3 (Ch3.MAX).
3.8 Selecting the Channel to be Displayed
When indicator has multiple scale channels configured in transM type mode or ind.Ch type mode, it is possible to select the
channel to be displayed using . See Section 4.3.1 on page 19 for configuring type parameters. See Section 4.4 on
page 22 for configuring the number of channels.
1. Press and hold . The currently selected channel displays first followed by ChAn momentarily. A menu of available
channels displays.
2. Select the channel to be displayed. Press to confirm.
Note

Operation
© Rice Lake Weighing Systems ● All Rights Reserved 11
3.9 Simultaneous Transmitter Mode
The Transmitter mode makes it possible to have simultaneous transmission of the values on each single channel via the serial
line. In addition, through the optional alibi memory board, the transmitted weight values can be stored in a computer for data
processing and/or integration. The filed values can then be recalled from the PC serial line or directly on the instrument’s
display. See Section 4.3.1 on page 19 for configuring type parameters and Section 4.4 on page 22 for configuring the number
of channels.
In this mode the zero tracking and the scale keys , and are disabled. It is not possible to set
functioning modes and the Aibi mode is set automatically.
To set the Transmitter mode:
1. Power on the instrument and press while firmware version displays. tYPE displays.
2. Press to enter the menu.
3. Navigate until trAnSM displays. Press to select.
4. Press multiple times until SAVE? displays. Press to confirm.
Operation
In the simultaneous Transmitter mode it is possible to view the weighing information. See Section 3.11.2 on page 12 regarding
Reviewing Stored Weigh Information.
• Press to switch channels, if the scale is configured as multichannel
• Only functions which can be enabled through serial commands can be performed; Not all serial commands can be
performed (Section 6.3 on page 42); It is not possible to carry out other operations in simultaneous Transmitter mode
• The list of usable serial commands includes: PID, ALRD, ALDL, VER, REXT, REXTA, READ, MVOL, RAZF,
CGCHN, ECHO, DISP, DINT, PCOK, STAT, KEYP, KEYR, KEYEE, KEYED
Pressing simulation of the scale keys through the KEYP and KEYR commands allows for management of the
functions linked to .
3.10 Selecting Printing Functions
Use the following procedure below to set printing functions (Section 4.3.2 on page 19):
1. Turn on the instrument and press while the firmware version displays. F.ModE displays.
2. Press to enter the menu.
3. Press or until rEACT displays. Press to enter the menu.
4. Press or to scroll through the options.
•ZEro – Rearms print at zero; Only prints after rearming
•inSt – Rearms print when weight becomes stable
•ALWAyS – Prints when is pressed, regardless of condition
5. Press to confirm.
6. Slowly press multiple times until SAVE?displays.
• Press to confirm and store to the instrument memory
• Press any other key to cancel and exit without saving
Note
Note

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3.11 Selecting the Operating Mode
In addition to the Standard Weighing mode, the instrument can be set to carry out four alternative operational functions.
Each operating mode activates certain LEDs.
To set the operating mode:
1. Turn on the instrument and press when firmware version displays then F.ModE displays.
2. Press to enter the menu.
3. Navigate to FunCt. Press to enter the menu.
4. Select operating mode:
•Conver – Convert displayed value to a calculated value (Section 3.11.1)
•Alibi – Alibi memory (Section 3.11.2)
•ViSS – Sensitivity times ten (Section 3.11.3 on page 13)
•PEAk – Peak hold detector (Section 3.11.4 on page 14)
5. Press to confirm selection.
6. Slowly press multiple times until SAVE? displays.
• Press to confirm and store to the instrument memory
• Press any other key to cancel and exit without saving
3.11.1 Conversion
This function toggles the displayed weight between the scale unit of measure and an alternative unit measure.
• Long press to set the conversion factor
• Short press to toggle between the unit of measures
• Press to save the conversion value
3.11.2 Alibi Memory
The alibi memory allows for transmitted weight values to be filed in the PC for data processing and/or integration.
The filed values can then be recalled from the PC serial line or directly on the instrument’s display for a following check.
Storage of a weight value occurs following the reception of the serial command or by pressing . The instrument transmits
the gross and tare weights and an ID on the serial port.
The ID has the format: <Rewriting number>-<Weigh number>
• The rewriting number is a five digit number from 00000-00255; It indicates the number of complete rewritings of the alibi
memory
• Weigh number is a six digit number from 000000-131072; It indicates the weigh number in the current rewriting of the
alibi memory; The weigh number is increased by 000001 with each weigh storage; Once the value reaches 131072, it
restarts from 000000
The storage of a weigh value occurs only if the gross weight is greater than or equal to zero, it is stable and valid (not in
under-load or overload). Depending on how F.ModErEACt has been configured in the technical set up, the storage of a
weight by pressing a key is possible only if the condition is met (weight exceeds zero, weight instability or always).

Operation
© Rice Lake Weighing Systems ● All Rights Reserved 13
Reviewing Stored Weigh Information
To review stored information:
1. Press . rEW.id displays.
2. Enter the rewriting number (from 00000-00255).
3. Press .  displays.
4. Enter the weigh number (from 000000-131072).
5. Press . The weigh information displays.
6. Press or to view the weigh information.
•ch.x - x is the scale number (from 1-4)
•umyy - yy is the unit of measure (lb, kG, G)
•GroSS momentarily displays and then the gross weight value
•tArEorTarEPt (manual tare) momentarily displays and then the tare weight value
7. Press to return to the Weigh mode.
If the alibi memory is empty and is pressed,  displays momentarily and the instrument returns to the
Weigh mode.If the entered ID is not valid,   displays and the instrument returns to the Weigh mode.
Clearing the Alibi Memory
The alibi memory can be cleared directly on the instrument in the SETUPini.ALparameter.
1. Turn on the instrument and press while the firmware version displays. F.ModE displays.
2. Press until SEtUp displays. Press to enter the menu.
3. Press or until ini.AL displays. Press . i.ALib.?displays.
4. Press to clear the alibi memory or any other key to cancel.
•AL.OKdisplays if the operation is successful
•AL.ERRdisplays if the memory was not successfully cleared (repeat procedure)
5. Press to return to the Weigh mode.
It is not possible to clear an individual weigh record.
3.11.3 Sensitivity Times Ten
This mode converts the weight to sensitivity times ten for display and is used for testing during calibration.
Press to toggle the weight display between standard sensitivity and sensitivity times ten.The last digit on the right of the
display has a sensitivity equal to the scale’s division divided by 10.
Note
Note

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3.11.4 Peak Hold Weight Detection
This mode can be used to store the maximum (peak) weight value measured during the weighment.
Operation
If Peak Hold Weight Detection has been set as the functioning mode, the following functions are enabled while in Weigh mode:
1. Press to enable the peak weight detection. -PEAK- displays alternately with the maximum weight value reached
up to that point.
2. Press again to terminate the peak weight detection. Peak weight detection also terminates if the weight
surpasses the maximum capacity of the instrument. In both cases, PEAK.oF displays and then the current weight on
the scale displays. The detected weight value will be:
• The maximum before a rapid decrease of the weight (measurement of the highest weight)
• The maximum and persistent weight detected on the scale
Exit the Peak mode to toggle from one scale to another when multiple scales are connected to the instrument.
Setting Sampling Time
To set the minimum sample time of the peak weight detection while in Weigh mode:
1. Press and hold .
2. Select PIC.tlM. displays followed by a number which corresponds to the minimum time length of the impulse
expressed in hundredths of seconds.
3. Press or until the desired value displays. See Table 3-1 for a list of settable values.
4. Press to confirm. The instrument returns to the Weigh mode.
The peak detection function sensitivity is dependent on the parameter set. The higher the number of samplings, the greater the
sensitivity. If an unexpected peak is detected immediately, decrease the sensitivity.
Example: If 0.000 lb is on the load cell of 20 lb (350 Ω), and the sampling time is equal to 1, when the peak
function is enabled, 0.005 lb displays.
Time in
1/100 sec
Sample per
Second
Acquired
Values
Mediated
Values
1 400 1 1
2 200 1 1
3 100 1 1
4 100 4 2
5 50 4 2
10 25 4 2
20 12 4 2
50 6 4 2
100 6 8 2
127 6 12 2
Table 3-1. Sample Times in Peak Weight Detection
Note

Setup Mode
© Rice Lake Weighing Systems ● All Rights Reserved 15
4.0 Setup Mode
The Setup mode is used to set the functioning parameters of the instrument.
There are two setup menus in the LaserLT-60 and LaserLT-100 Weight Indicator:
Quick Setup Menu
The Quick Setup menu is a limited menu that includes settings essential to basic scale configuration such as quick calibration
and communication. See Section 4.2 on page 16 for more information on the Quick Setup menu
• To enter the Quick Setup menu, press to turn the instrument on then press as the firmware version displays
Setup Mode Menu
The Setup Mode menu is a more in-depth menu that incorporates all configuration settings. See Section 4.3 on page 18 for
more information on the Setup Mode menu.
• To enter the Setup Mode menu, press to turn the instrument on then press as the firmware version displays
4.1 Menu Navigation
Use the keys on the front panel of the indicator to navigate through the menu options as follows:
Key Function
Scroll through parameters;
In numeric input: Decreases the digit to be modified
Scroll through the parameters;
In numeric input: Increases the digit to be modified
Quickly position at the first step of a menu;
In numeric input: Selects the digit to be modified, from left to right
Enter into a parameter or confirm a setting;
In numeric input: Confirms the entry made
Exit a step without confirming the setting;
In setup: Press multiple times to display SAvE? prompt and/or
press to exit a step without confirming the setting;
In numeric input: Clears the present value
Table 4-1. Menu Navigation Key Functions

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4.2 Quick Setup Menu
Figure 4-1. Quick Setup Menu
When settings are complete press until the indicator displays SAVE?. Press to save set up and return to
Weigh mode. Pressing any other key exits the setup and discards changes.
4.2.1 Default Factory Calibration
The instrument is shipped with the following default calibration settings:
• Capacity – 10,000 lb
• Load cell sensitivity – 2.000 mV/V
• Division – 1
See Table 4-4 on page 20 to return indicator to default settings.
Press and to set decimals and minimum division.
Press , and to set the total capacity of the load cells.
Press , and to set the mV/V sensitivity of the load cell.
Press , and to set the dead load present on the load cell.
Press , and to set the scale capacity.
Apply calibration weight. Press , and to enter calibration weight that was applied.
Set the analog output on net or gross weight.
Select channel to be configured.
Set the maximum value of the analog output.
Set the analog output when the scale shows zero weight.
Set the minimum value of the analog output.
Set the key to be emulated by the input.
Press and to select number of channels.
Press and to select channel to calibrate.
Press and to set channel type ind.ch, transm, or dep.ch.
For new acquisition of zero, with scale empty. Establishes new zero reference.
Disabled.
Setpoint on the gross weight.
Setpoint on the net weight.
Press , and to set number of additional units.
Press and to set baud rate.
Set the output normal state.
Quick calibration of zero.
Check the load cell signal in millivolts.
FUNC
set.Add
baud
OUT.01 No/NC
485
oUTPUT
AoZER
MODE
chan
AoMAX
INP.02
AoMIN
INP.01
OUT.02
nChan
Chan
type
CEL.CAP
CEL.SEN
DEAD.LD
CAPAC
0.CALIB
ZERo
SPAN
ADC.uV
AN.oUT
INPUTS
NoNE
GRoS
NET
DIV.DEC
Note
Note