PROLEC James Fisher PME400 User manual
2022 Prolec Limited
User manual
PME400 / 405
Machine Envelope Controller
Document Reference: 562400-000
Issue 1.3 January 2022
562400-000, Issue 1.3 January 2022
Page 2 of 61
This guide describes operation of the
PROLEC PME ENVELOPE SAFETY SYSTEM FOR CONSTRUCTION PLANT
Model covered :
PART No.
MODEL Ref
PME400
PME
4
05
PME400 - MEC SYSTEM
PME
4
0
5
-
MEC SYSTEM
Prolec supports a nationwide dealer network. Warranty claims, service work, technical information and
spare parts are available by contacting :
James Fisher Prolec Ltd
25 Benson Road
Nuffield Industrial Estate
Poole Dorset BH17 0GB
Telephone +44 (0) 1202 441000
THIS ENVELOPE SAFETY SYSTEM IS NOT SUITABLE FOR USE IN EXPLOSIVE ATMOSPHERES.
ADJUSTMENT BY UNAUTHORISED PERSONS WILL INVALIDATE ANY WARRANTY OR
CERTIFICATION SUPPLIED. IF A PROBLEM ARISES WHICH CANNOT BE RECTIFIED USING THIS
GUIDE, AUTHORISED SERVICE SHOULD BE SOUGHT.
THIS DEVICE IS CERTIFIED TO MEET CURRENT UK & EC SAFETY REGULATIONS FOR LIFTING
OPERATIONS.
Any alterations or modifications to machine components which affect this system and any system
component failure must be reported to Prolec Ltd or via the machine convertor/service agreement holder.
This manual must be kept with the product and be passed on to any subsequent user of the product.
Whilst every effort has been made to ensure the accuracy of the information supplied in this manual,
Prolec Ltd cannot be held responsible for any errors or omissions.
This system records data on the machine’s operation.
Manufacturers original instructions.
562400-000, Issue 1.3 January 2022
Page 3 of 61
Contents
1. Use of this Document................................................................................................................. 5
2. Notices ........................................................................................................................................ 5
3. System Identification ................................................................................................................. 6
4. Operating, and Hazard Situation, Recommendations .............................................................. 7
4.1. MEC Override .................................................................................................................... 8
5. Operating Instructions ............................................................................................................... 9
5.1. Power Up ........................................................................................................................... 9
5.2. Using the Display ............................................................................................................. 11
5.3. User Login ....................................................................................................................... 12
5.4. Supervisor Login .............................................................................................................. 13
5.5. User Logout ..................................................................................................................... 13
6. Top Menu .................................................................................................................................. 14
6.1. Tool Selection Menu (Optional) ........................................................................................ 14
6.2. Product Type Selection Menu (Optional) ......................................................................... 15
7. Envelope Monitoring ................................................................................................................ 16
7.1. Height Limit ...................................................................................................................... 17
7.1.1. Height Limit Menu ........................................................................................................... 17
7.1.2. Height Limit Setting - Known Height ................................................................................ 18
7.1.3. Height Limit Setting - Using Current Highest Point .......................................................... 19
7.1.4. Machine Envelope Controller (MEC) - Height .................................................................. 20
7.2. Max Radius Limit ............................................................................................................. 21
7.2.1. Max Radius Limit Menu ................................................................................................... 21
7.2.2. Max Radius Limit Setting - Known Max Radius ............................................................... 22
7.2.3. Max Radius Limit Setting - Using Current furthest Point .................................................. 23
7.2.4. Machine Envelope Controller (MEC) - Max Radius .......................................................... 24
7.3. Min Radius....................................................................................................................... 25
7.3.1. Min Radius Limit Menu .................................................................................................... 25
7.3.2. Min Radius Limit Setting - Known Min Radius ................................................................. 26
7.3.3. Min Radius Limit Setting - Using Current nearest Point ................................................... 27
7.3.4. Machine Envelope Controller (MEC) - Min Radius ........................................................... 28
7.4. Low Limits........................................................................................................................ 29
7.4.1. Low Limit Menu ............................................................................................................... 29
7.4.2. Low Limit Setting - Known Low Height ............................................................................ 30
7.4.3. Low Limit Setting - Using Current Low ............................................................................. 31
7.4.4. Machine Envelope Controller (MEC) - Low ...................................................................... 32
7.5. Slew Limits Menus ........................................................................................................... 33
562400-000, Issue 1.3 January 2022
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7.5.1. Angular Slew Limit Setting - using Current Slew Angle .................................................... 34
7.5.2. Virtual Wall Limit Setting - using the equipment ............................................................... 36
7.5.3. Twin Virtual Wall Limit Setting - using Twin Virtual Walls ................................................. 38
7.5.4. Multipoint Envelope Restriction- using Multipoint Wall ..................................................... 40
7.5.5. Machine Envelope Controller (MEC) - Slew and Virtual Wall ........................................... 43
7.1. Limit Control Override ...................................................................................................... 44
7.1.1. Soft Override ................................................................................................................... 44
7.1.2. Master Override key Switch ............................................................................................. 44
8. System Messages .................................................................................................................... 45
8.1. On Screen Safety Messages ........................................................................................... 45
8.2. On Screen Component Error Messages .......................................................................... 46
8.3. LED and Internal Alarm Warnings .................................................................................... 47
9. Daily Checks ............................................................................................................................. 47
10. Repair .................................................................................................................................... 47
11. Test / Diagnostics ................................................................................................................. 48
11.1. Relay Function Test ..................................................................................................... 48
11.1.1. Valve Function Test ......................................................................................................... 49
11.2. Sensor Data ................................................................................................................. 50
11.3. Beacon, LED and Internal / External Alarm Function Test ............................................ 50
12. System Information .............................................................................................................. 51
13. Display Settings .................................................................................................................... 51
13.1. Day / Night Mode ......................................................................................................... 52
13.2. Select Display Machine ................................................................................................ 52
13.3. Select Language .......................................................................................................... 53
13.4. Background colour ....................................................................................................... 53
14. User Login ............................................................................................................................. 54
14.1. User Login Setup ......................................................................................................... 54
14.2. Enable / Disable Users ................................................................................................. 54
14.3. Add New User to Login ................................................................................................ 55
14.4. Edit User Details .......................................................................................................... 56
14.5. Select User to Delete ................................................................................................... 57
14.6. Edit User Access Code ................................................................................................ 57
15. Taking Product out of Operation ......................................................................................... 58
16. Service and Repair................................................................................................................ 58
16.1. Maintenance Review .................................................................................................... 58
17. Definitions / Glossary ........................................................................................................... 59
18. Amendment / Revision Record ............................................................................................ 60
562400-000, Issue 1.3 January 2022
Page 5 of 61
1. Use of this Document
This user guide is intended for persons familiar with the use of construction plant undertaking
lifting operations.
WARNING denotes information about particular risks which may be
generated by certain applications, by using certain fittings, and about
additional protective measures which are necessary for such applications.
HAZARD Actions that can lead to serious injury or death
2. Notices
Adjustment by unauthorised persons will invalidate any warranty or
certification supplied. If an error condition is displayed which cannot be
rectified using this guide, STOP any operation, seek authorised service
immediately, and do not continue the operation until the fault has been
remedied.
562400-000, Issue 1.3 January 2022
Page 6 of 61
3. System Identification
The PME system provides an envelope safety function
All safety functions are achieved through real time monitoring of some or all of
the machine’s moving parts (booms, other articulations, turret etc) and its
environment (ground pitch and inclination, load etc) and actively determining
the safety of the current operation where appropriate limits have been set.
The Machine Envelope Monitoring function has a single class
Machine Envelope Controllers (MEC) prevent movements that would
bring parts of the machine into hazardous areas, for example, height
restrictions when working under overhead wires. This is achieved by
hydraulically controlling unsafe movements of the machine.
MEC equipped systems may include Height Limiting and or Slew
Limiting.
During operation, indicators are displayed on the screen to clearly identify the
function supported by your PME400/405. Functions may not be available i.e.
when envelope monitoring is switched off, if this is the case a cross will be
painted over the function icon.
562400-000, Issue 1.3 January 2022
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4. Operating, and Hazard Situation, Recommendations
Operating Recommendations
When using envelope monitoring:
When setting height or slew restrictions,
make sure any implement/tool attached is
in its least favourable position
Check for correct operation once the
restriction has been set
Reduce operating speed
Do not move the equipment quickly when
close to a restriction
Do not operate the machine in a reckless
manner
Do not travel with a restriction set
Reset the slew restriction if the machine is
relocated
Hazard Situation Recommendations
In a limit hazard state:
Return the control levers to neutral once a
limit has been reached, if appropriate
Operate the machine at a slow speed
Do not travel
562400-000, Issue 1.3 January 2022
Page 8 of 61
4.1. MEC Override
The system can optionally be fitted with a key operated master override
switch. To access the master override switch, a tamper detection device
must be broken and the operation of this switch will be automatically logged.
Turning the switch to the override position will allow normal operation of any
of the hydraulic services regardless of safety status. When the system is in
override:
the external alarm (if fitted) will be active
the beacon (if fitted) will be off
the RED LED will flash
an ‘In Override’ message will appear on the display indicating that the
machine limiting is overridden.
The override state will automatically return to normal operating mode after 30
minutes (default value), regardless of the system status. The master override
key switch must be cycled to put the system back into override.
The master override key switch should only be used if the system is not
operational due to a fault and the machine needs to be moved due to its
location presenting a hazard.
562400-000, Issue 1.3 January 2022
Page 9 of 61
5. Operating Instructions
5.1. Power Up
The PME system automatically powers up when
the machine ignition is switched on. The in-cab
display incorporates a 4.3” high resolution LCD
display and is controlled with three buttons at
each side. Three status LEDs and an internal
alarm provide further information. The display is
secured to the machine using a flexible ball
mounting allowing easy adjustment for personal
viewing preference.
1. On starting up, the system will perform a self test. All LEDs will flash; the internal display
alarm and the external alarm (if fitted) will sound momentarily.
2. The operator will be asked to review the system’s safety features.
(Note: older system types may not display this screen – skip to step 4 if it does not appear)
Individual safety features may be disabled or re-enabled, if appropriate for the current job
and work site. For example, if the work site has no overhead hazards, the operator may
disable the height limiter function.
Each safety feature is initially set/enabled as it was set before the last power-down.
The operator is responsible for verifying that the safety features are enabled
appropriately for the job/work site.
If the height or slew limiter functions are enabled, the operator is responsible for
checking that the movement limits are correctly configured:
See section 7.1 for configuring Height Limits
See section 7.5 for configuring Slew Limits
562400-000, Issue 1.3 January 2022
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If the system is fitted with a supervisor key switch (see section 5.4), this key must be
turned to the SET position to disable/enable the Height or Slew Limiter functions.
If a safety function is unavailable – for example due to a system or sensor fault – this
will be made apparent to the operator from this screen.
3. The operator must press Start to:
Confirm that the safety features are set as required for the job/work site;
Confirm that any unavailable safety features are understood, and not required for
the job/work site.
Pressing Start activates the operating mode, at which point the GREEN LED will light.
4. The system can be configured to only allow access via a User Login code and will prompt
for a code to be entered before use (see section 5.3 for further details).
If the RED LED is lit, a fault has been detected, halt any operation,
seek authorised service immediately and do not continue operation
until the fault has been remedied.
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