Eqss OverWatch 6253 Manuale utente

EQUIPMENT SAFETY SYSTEMS

75 Naxos Way, Keysborough 3173 Victoria Australia

P: +61 3 8770 6555 E: support@eqss.com.au

User Manual

REV 1.7

20/05/2020

Model6253 OverWatch™User Manual

Document # DO001195

|1 of 22|

EQSS Model6253 –OverWatch™

User Manual

The OverWatch™ is an aid to the operator and this system should not in any way replace operator training.

The system relies on optical detection principles and may not work in all situations and environments.

The system must be properly maintained, and preoperational checks must be completed.

EQUIPMENT SAFETY SYSTEMS

75 Naxos Way, Keysborough 3173 Victoria Australia

P: +61 3 8770 6555 E: support@eqss.com.au

User Manual

REV 1.7

20/05/2020

Model6253 OverWatch™User Manual

Document # DO001195

|2 of 22|

AUTHORS:

Kieren Grogan, Greg Santucci, Jay

Nandakumar

AUTHORISED BY:

Kieren Grogan

CHECKED BY:

Andrew Donegan

DOCUMENT ABSTRACT:

This User Manual details the use and operation of the Model6253 OverWatch™

PRODUCT NAME:

Model6253 OverWatch™ Operator Detection System

CURRENT DOCUMENT REVISION:

1.7

REVISION INFORMATION:

•1.1 Initial Document Creation

•1.2 Inclusion of drill guides and update of electrical connection schematics

•1.3 Inclusion of Wi-Fi front end use cases and web pages

•1.4 Inclusion of detail images to add in explanation of functionality and addition of part ID

•1.5 Conformity changes and grammar check

•1.6 Addition of emergency lowering notices and WiFi access procedures

•1.7 Added additional detail to the operation of the motionless detection / horn event and added warning

for correct operator standing position

EQUIPMENT SAFETY SYSTEMS

75 Naxos Way, Keysborough 3173 Victoria Australia

P: +61 3 8770 6555 E: support@eqss.com.au

User Manual

REV 1.7

20/05/2020

Model6253 OverWatch™User Manual

Document # DO001195

|3 of 22|

Important Information

Information contained in this publication regarding this device’s applications, and the like, is provided only for your

convenience and may be superseded by updates. It is your responsibility to ensure that the application of our

equipment meets with your specifications.

EQUIPMENT SAFETY SYSTEMS MAKE NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR

IMPLIED, WRITTEN OR ORAL, STATUTORY OR OTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT

LIMITED TO, IT’S CONDITION, QUALITY, PERFORMANCE, MERCHANTABILITY OR FITNESS FOR PURPOSE.

Equipment Safety Systems disclaims all liability arising from this information and its use. Use of Equipment Safety

Systems’ products as critical components in life support systems is not authorised, except with express written

approval by Equipment Safety Systems. No licenses are conveyed, implicitly or otherwise, under any Equipment Safety

Systems’intellectual property rights.

This is a class A product certified to AS/NZS CISPR 22:2006. In a domestic environment, this product may

cause radio interference, in which case, the user may be required to take adequate measures.

EQUIPMENT SAFETY SYSTEMS

75 Naxos Way, Keysborough 3173 Victoria Australia

P: +61 3 8770 6555 E: support@eqss.com.au

User Manual

REV 1.7

20/05/2020

Model6253 OverWatch™User Manual

Document # DO001195

|4 of 22|

Table of Contents

Principle of Operation.........................................................................................................................................................5

Preoperational Checks........................................................................................................................................................6

Operational Instructions.....................................................................................................................................................7

Standing Position ...........................................................................................................................................................7

Session Calibration......................................................................................................................................................... 8

Crush Event Cutout ........................................................................................................................................................9

Shear Event Cutout ......................................................................................................................................................10

System Override...........................................................................................................................................................11

Visual & Audio Notifications ........................................................................................................................................11

Obstructed Operator Sensor........................................................................................................................................12

Cutout Behaviour Processing............................................................................................................................................13

Elevate Mode ...............................................................................................................................................................13

Drive Mode ..................................................................................................................................................................14

Wi-Fi Access......................................................................................................................................................................15

General Use..................................................................................................................................................................15

Minimum system requirements ..................................................................................................................................15

Enable Wi-Fi Connection.............................................................................................................................................. 15

Accessing the Home Page ............................................................................................................................................16

Diagnostics........................................................................................................................................................................17

Retrieving Event logs ........................................................................................................................................................18

Inspection & Maintenance ............................................................................................................................................... 19

Periodic Maintenance ..................................................................................................................................................19

Periodic Testing............................................................................................................................................................20

Component Identification.................................................................................................................................................21

System Components ....................................................................................................................................................21

EQUIPMENT SAFETY SYSTEMS

75 Naxos Way, Keysborough 3173 Victoria Australia

P: +61 3 8770 6555 E: support@eqss.com.au

User Manual

REV 1.7

20/05/2020

Model6253 OverWatch™User Manual

Document # DO001195

|5 of 22|

Principle of Operation

The OverWatch™ is an innovative system designed as an aid to the operator. The system does not replace operator

training.

The system works on the premise of detecting the operator’s position and movements, with respect to the scissor

lift’s direction of movement in real time. This information is used to determine if a crushing or shearing event is about

to occur. This is determined by the physical movements and position of the operator’s body, with respect to the

platform control box.

When the operator pushes the dead-man trigger, the system calibrates the position of the operator relative to the

control box. The system senses the machine’s mode of operation (Drive or Elevate) and determines the position of the

joystick. This initial calibration is done each time the dead-man trigger is pushed; therefore, the system calibrates for

each use session with the specific operator and environmental conditions at that point in time.

The system constantly measures the operator’s position, acceleration and velocity. The system will trigger and cut the

machine operation if the system detects movements above the threshold limits. For example, if the machine is driving

forward and the operator moves forward to look over the front of the platform, the system will not trigger. If the

machine is driving backwards and the operator moves towards the platform controls quickly with a high acceleration,

this may indicate a dangerous shearing event, and therefore, the system will trigger.

EQUIPMENT SAFETY SYSTEMS

75 Naxos Way, Keysborough 3173 Victoria Australia

P: +61 3 8770 6555 E: support@eqss.com.au

User Manual

REV 1.7

20/05/2020

Model6253 OverWatch™User Manual

Document # DO001195

|6 of 22|

Preoperational Checks

The OverWatch™ is an electronic detection system and is an aid the operator. Before use make sure that the system is

in good working condition. Conduct the following pre-operation checks.

1. Make sure the sensor optics are clean, free of dust, water, paint, etc. Power up the system. Make sure you hear

the ‘welcome tone’and the green light is active

2. Select the drive mode. Stand in position. Make sure the light goes blue and you hear “Drive”

3. Drive the machine forward slowly. Duck down into the basket, then the system light will change to red and it

will say “Cutout” and the machine will stop.

EQUIPMENT SAFETY SYSTEMS

75 Naxos Way, Keysborough 3173 Victoria Australia

P: +61 3 8770 6555 E: support@eqss.com.au

User Manual

REV 1.7

20/05/2020

Model6253 OverWatch™User Manual

Document # DO001195

|7 of 22|

Operational Instructions

Standing Position

The OverWatch™ Sensor is mounted on the platform control box. This sensor is an infrared (invisible) LIDAR, which

is used to measure the operator’s position, acceleration and velocity. The OverWatch™ must always maintain a

visible line of sight to the operator. The operator must always remain in position and maintain normal movements

in order to control the machine functions.

The operator must stand in the following position for the OverWatch™ to function correctly and allow control of

the machine functions.

The OverWatch™ will not allow control of the machine functions if the operator is not in position. In most cases

the OverWatch™ stops operation of the machine in the conditions shown below.

Warning: Risk of Severe Injury or Death

* The OverWatch™ is an aid to the operator and this system should not in any way replace operator

training. The system relies on optical detection principals and may not work in all situations

and environments. The operator must use the machine while standing in front of the control box

at all times in the natural standing position.

EQUIPMENT SAFETY SYSTEMS

75 Naxos Way, Keysborough 3173 Victoria Australia

P: +61 3 8770 6555 E: support@eqss.com.au

User Manual

REV 1.7

20/05/2020

Model6253 OverWatch™User Manual

Document # DO001195

|8 of 22|

Session Calibration

The OverWatch™ starts sensing the operator from the time the platform’s dead-man trigger is pressed. When the

machine is powered, and the system is functional, the operator will see a green light on the OverWatch™ sensor.

This indicates that the OverWatch™ is ready for use.

When the operator pushes the joystick dead-man trigger, the system will calibrate to the operator’s current

position. If the calibration is successful, the light will change to blue and an audio announcement of either “Drive”

or “Elevate” will be made, depending on the platform’s mode of operation.

When the operator pushes the joystick dead-man trigger, and if the operator is not detected or is standing too

close or too far away from the sensor, the light will change to purple with an audio announcement of “Operator

Zone”. If the system is not able to calibrate, the operator must release the joystick dead-man trigger and move

into the correct working position.

EQUIPMENT SAFETY SYSTEMS

75 Naxos Way, Keysborough 3173 Victoria Australia

P: +61 3 8770 6555 E: support@eqss.com.au

User Manual

REV 1.7

20/05/2020

Model6253 OverWatch™User Manual

Document # DO001195

|9 of 22|

Crush Event Cutout

A normal crush event can occur when the platform is in elevate mode and the operator becomes pressed against

the platform handrail and an object above. With the OverWatch™ this event is detected based on the operator’s

acceleration, velocity and current position. An illustration of a crush event is shown below.

If a crush event is detected by the OverWatch™, the machine cutout will be applied, and the operator will be

disabled from elevating the machine and the system will announce “Cutout”. The operator can always descend the

platform or apply the system override to regain control and move out of the dangerous situation. Since the

OverWatch™only applies the cutout to the upper control panel, the lower panel can be used at any time to take

control of the machine and lower the platform.

In the situation where a crush event has been detected, and the OverWatch™ has sensed that the operator has not

moved position in 5 seconds since cutout, the OverWatch™ calculates that the operator may be pinned, stuck or

incapacitated. The OverWatch™ will sound the machine’s horn 3 times every 10 seconds. This is to alert

surrounding workers about the situation, so that they may assist where required. If the operator releases and then

presses the joystick trigger, the OverWatch™ determines that the operator is not incapacitated and is able to

control the machine and cancels the horn alert.

Warning: Risk of Severe Injury or Death

* The OverWatch™ is an aid to the operator and this system should not in any way replace operator

training. The system relies on optical detection principals and may not work in all situations

and environments.

* The OverWatch™only applies the cutout to the upper control panel, the lower panel can be used at

any time to take control of the machine and lower the platform.

EQUIPMENT SAFETY SYSTEMS

75 Naxos Way, Keysborough 3173 Victoria Australia

P: +61 3 8770 6555 E: support@eqss.com.au

User Manual

REV 1.7

20/05/2020

Model6253 OverWatch™User Manual

Document # DO001195

|10 of 22|

Shear Event Cutout

A shear event can occur when the platform is in drive mode and the operator is struck by a stationary object. This

event is detected based off the operator’s acceleration, velocity and current position. The direction of the

operator’s movement is opposite to the movement of the platform. For example, if driving forward the operator

can move forward to look over the front of the platform when driving, and when driving forward, if a shear event

occurs, the object would push the operator backwards. If the operator is driving backwards, a shear event would

push the operator forward towards the control box.

If a shear event is detected, the machine cutout will be applied, and the operator will be prevented from driving

the machine. The system will then announce “Cutout”. The operator can always regain control of the machine by

moving back into the correct working position or by applying the system override to move out of the dangerous

situation. Since the OverWatch™only applies the cutout to the upper control panel, the lower panel can be used

at any time to take control of the machine and lower the platform.

In the situation where a shear event has been detected, and the OverWatch™ has sensed that the operator has

not moved position within 5 seconds, the OverWatch™ calculates that the operator may be pinned, stuck or

incapacitated. As with a crush event and subsequent pinning of the operator, the OverWatch™ will sound the

machine’s horn 3 times every 10 seconds. This is to alert surrounding workers about the situation, so that they

may assist where required. If the operator releases and then presses the joystick trigger, the OverWatch™

determines that the operator is not incapacitated and is able to control the machine and cancels the horn alert.

Warning: Risk of Severe Injury or Death

* The OverWatch™ is an aid to the operator and this system should not in any way replace operator

training. The system relies on optical detection principals and may not work in all situations

and environments.

* The OverWatch™only applies the cutout to the upper control panel, the lower panel can be used at

any time to take control of the machine and lower the platform.

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