Gen3 - General - What is Gen 3 LMS?

Gen3 - General - What is Gen 3 LMS?

Notes
The Gen3-LMS is a culmination of the current research and development efforts conducted by EQSS.
The main purpose of the Gen3-LMS is to provide an additional level of safety when lifting both suspended and non-suspended loads. It is in effect a summation of both a Rated Capacity Limiter and a Longitudinal Moment Limiter, combined into a single system that handles both processes simultaneously. This integration of functionality reduces overall system cost and removes operator confusion when having to deal with two different systems and two different displays. 

The EQSS Gen 3 was specifically designed for Telehandlers (example - pictured below)


Unique EQSS Gen 3 Attributes and System Components

The Dynamic Stability Triangle (DST) is a unique method of representing the machine's lateral stability. It provides the operator with a robust interface to quickly determine machine stability and center of gravity (as the stability of the machine decreases with high boom angles and long boom extensions). The current load center of the telehandler is indicated by the on-screen blue cross-hairs within the stability triangle. If these cross-hairs approach the edge of the triangle (which if reached, will result in the telehandler tipping over); a stability indicator will appear and a warning sound will be emitted. Furthermore, when a telehandler is equipped with stabilizers, the Gen 3 system makes allowances and thereby expands the effective size of its stability triangle. An expanded stability triangle translates to greater lifting capacity.
Below: Dynamic Stability Triangle (DST) 
      Without Stabilizers                              With Stabilizers
                    

The Gen3-LMS takes advantage of the most recent developments in embedded processing and display technology to provide the most advanced and intuitive system in the market place and has the following features:
  • Sunlight readable High Definition Graphics Display
  • LMI and RCL dual system processing with one single operator display
  • Advanced operator information, including rating chart display and dynamic stability triangle
  • Automatic or manual tool selection with operator verification
  • Machine reverse camera and forward blind side camera as standard
  • Modern slim line display with high fidelity audio output
  • System status notifications via audio tones 
  • User input via automotive dash mounted 5-Way switch control
  • Automatic fault detection and diagnostic screen
  • Customisable graphic display skins
  • Data logging functionality of all events and black box data storage redundancy
  • Fast installation time
  • Quick configuration for machine type and language
  • System holds all data for all machines, eliminating the requirements for firmware updates
  • Automatic system calibration via software tools
  • Modular design that can be upgraded with the addition of plug and play modules
  • Modular system architecture with CAN bus interconnection
Notes
The Gen3-LMS is composed of a small number of sensors placed around the telehandler and they are connected together using a CAN bus network.

What the Gen 3 system is not
Info
The Gen 3 LMS system was never designed to be a weight measuring system but rather, it is a weight monitoring system, intended to create safety cutouts when the machine (on which it is mounted), is pushed beyond safety limits.
As outlined above, the Gen 3 LMS system uses boom mounted pressure sensors to monitor shifting hydraulic pressures during the normal use of the telehandler. The sensor data is then used to calculate and provide a good approximation of the weight being lifted by the telehandler.

This system is certainly capable of dynamically providing the operator with an indication of the weight being lifted, but this displayed weight should never be treated as if it has been taken from a set of scales. Based upon the Gen 3 calculated load, as soon as the Gen 3 system senses that the telehandler has been pushed into an unsafe state, it will cutout operation of the hydraulics.

Furthermore, EQSS products are an aid to the operator in maintaining the operation of the machine within the rating envelope and in no way are they intended to replace the operator’s judgement, knowledge or experience. EQSS accepts no responsibility for any outcome causing damage to plant, personnel or loss of production due to misuse or failure of the equipment. 
AlertThe weight monitoring capability of the Gen 3 system is perfectly suited for it's intended purpose (to provide an additional level of safety by monitoring the weight being lifted and then to create cutouts if the capacity has been exceeded).

Safety Display Module (CSDM)


The Model 6202 CAN Safety Display Module is a state of the the art embedded computer specifically designed for use with industrial lifting equipment. The slim line display features a 7” wide screen high definition LCD screen capable of displaying high quality graphic effects, to better assist the machine operator.
The display takes advantage of the latest in computer technology, providing the operator with information such as:
  1. digital rating chart with forward prediction
  2. active shading and zoom
  3. the machine dynamic stability triangle.
The CSDM has a NTSC / PAL video input to be used for reverse, forward and remote cameras. The CSDM safety processing software and operating system is easily updated via an on-board SD card. The CSDM operating system includes advanced menu functions for instant system configuration and diagnostics.


Cabin Interface Module (CCIM)


The Model6259 CAN Cabin Interface Module is a universal and fully configurable digital IO module, with smart power management and backup battery. This unit has a small footprint and is designed to be mounted within the cabin of a machine. It provides the interface between the machine electrics and the EQSS technology. The CCIM has an array of configurable input and output channels that can be used to sense signals such as, outrigger positions and to control machine cut-outs. 

The digital input sensors are used to measure digital input states for the following safety related parts:
  1. Override input
  2. Left stabilizer down input
  3. Right stabilizer down input
  4. Forward gear input
  5. Reverse gear input
The inputs are required by the load/rating processing unit to determine if the safety cutout needs to be activated.

The module features tri-state input channels to effectively handle any type of digital input signal; thus eliminating the need for signal conditioning on the machine side. This module incorporates smart power management circuitry (along with a back up battery); which is used to keep a portion of the system powered for the GPS tracking and 3G data access in the event that the main power source is lost. The module additionally incorporates a universal analogue input and a dedicated machine override timer. All connections into the module are made via a robust (easy to use) aviation grade snap lock connector system.

Pressure Input Module (CPIM)


The Model 6258 CAN Pressure Input Module functions as an integrated system node for pressure/load measurement, level calculation and external IO control. The CPIM contains a dual axes inclinometer (used for machine chassis level determination). The inclinometer chassis angle input is required by the load/rating processor to calculate the boom position and determine the maximum rated capacity.

CPIM Pressure Sensor Inputs
The pressure input sensors are used to to measure the hydraulic pressure for the following safety related parts:
  1. Main Head Pressure
  2. Main Rod Pressure
  3. Compensation Head Pressure
  4. Compensation Rod Pressure
The inputs are required by the load/rating processor to determine the current load on the lifting attachment; which may require the activation of the safety cutout (if over its rated capacity). 

The CPIM also carries several digital inputs and output channels that can be configured for outside cabin use as required. The CPIM has been designed to accommodate a wide variety of sensor inputs; for the purpose of load, tension and pressure measurement. The sensor input channels can connect to any style of pressure or load sensor device (for easy adaptation and migration from application to application). The CPIM is housed in a powder coated die-cast aluminium enclosure, giving the unit excellent protection in harsh environments. The CPIM connects to the main system processing node via a CAN bus, allowing the unit to be positioned without the need for complex wiring configurations.

Angle and Length Module (CALM)


The Model6206 CAN Angle and Length Module is designed as a small all-in-one unit for measuring angle and length in industrial lifting applications. The unit has been designed to fit onto the outside or inside of a telescopic boom. With its small footprint, low profile and M12 screw lock connector system; making it easy to install. The CALM uses unique quadrature encoding for the length measurement and solid state accelerometers for angle determination; making the unit fully digital and self calibrating. The boom length input is required by the load/rating processor to determine the boom position (in order to calculate the load and rated capacity). The internal recoil spring is protected against reverse recoil in the event of trace cable breakage via an internal clutch mechanism.

The boom angle sensor is used to measure the machines boom angle with respect to gravity. The input of the sensor is required by the load/rating processor unit (to determine if the safety cut-out needs to be activated).

The boom stow position is measured to aid logic analysis of the sensor state for advanced mechanical fault detection. Low power detection saves the current length data in two separate EEPROM locations (in both normal and inverted formats). This length data is used to recover the boom length at next machine start up. If the low power input incorrectly triggers or fails, it will force the processor to be held in reset (producing an off-line fault in the NPU).

Light Tower Module (CLTM)


The Model6231 CAN Light Tower Module is designed to provide personnel outside the machine an indication of the current machine state. The CLTM receives information from the safety system, which relates to the machines state of operation. The module comes standard with three indication states of green, yellow and red. Additional indication states can be added if required. The light tower uses LED’s to illuminate each color section. These LEDs operate at low power and have an increased life over traditional indication solutions; making the module robust and long lasting. The CLTM can be added to any of the EQSS complete system solutions by simply plugging the unit in on the CAN bus. Once connected, the CLTM is automatically detected and starts operating (removing the need for special system configuration).












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