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Big mow BM 1050 User's Manual
Software version 4.5
Familiarity with the contents of this manual is required before operating the robot.
Belrobotics®, BM 1050® and BM 2050® are registered trademarks of Yamabiko Europe.
Avenue Lavoisier 35 • 1300 Wavre • Belgium
www.belrobotics.com
Copyright © Yamabiko Europe S.A./N.V.
All rights reserved.
This publication or parts thereof may not be reproduced in any form, by any method, for any purpose.
Disclaimer
Yamabiko Europe S.A./N.V. has taken reasonable care in compiling this document, however Yamabiko Europe S.A./N.V. accepts no
liability whatsoever for any error or omission in the information contained herein and gives no other warranty or undertaking as to its
accuracy.
Yamabiko Europe S.A./N.V. can accept no responsibility for damages, resulting from the operation of the equipment, its accessories
and peripherals, or any related software. Yamabiko Europe S.A./N.V. reserves the right to amend this document at any time without
prior notice.
Yamabiko Europe S.A./N.V. and its affiliates are not liable for damages and/or losses related to security breaches, any unauthorized
access, interference, intrusion, leakage and/or theft of data or information.
Contents
1 What's New...........................................................................................5
2 Introduction.......................................................................................... 8
3 Conventions used in the manual....................................................... 9
4 About RTK GPS................................................................................. 10
5 Big mow BM 1050 description..........................................................12
5.1 The robot.................................................................................................................13
5.1.1 Robot options............................................................................................. 17
5.2 The charging station............................................................................................... 19
6 Sensors............................................................................................... 21
7 How Big mow BM 1050 works..........................................................24
7.1 Operational state.....................................................................................................24
7.1.1 Work mode.................................................................................................25
7.1.2 Go to charging station mode......................................................................31
7.1.3 Charge mode..............................................................................................37
7.1.4 Border mode...............................................................................................38
7.1.5 Wait in charging station mode....................................................................39
7.1.6 Go zone mode............................................................................................39
7.2 Inactive state...........................................................................................................46
8 Using your robot................................................................................49
8.1 Safety measures..................................................................................................... 49
8.2 Safety notices..........................................................................................................50
9 The user interface..............................................................................52
9.1 User Interface Commands...................................................................................... 54
9.2 The Actions menu.............................................................................................55
9.3 The Settings menu ............................................................................................57
9.3.1 Schedule ..................................................................................................57
9.3.2 Cutting heads .......................................................................................... 60
9.3.3 Border ......................................................................................................61
9.3.4 Cutting height .......................................................................................... 61
9.3.5 System locking ........................................................................................ 64
9.3.6 LCD settings...............................................................................................64
9.4 The Service Settings menu ................................................................................65
9.4.1 Regional parameters.................................................................................. 65
9.4.2 Connections................................................................................................66
9.4.3 Operations.................................................................................................. 67
9.4.4 Device.........................................................................................................68
9.4.5 Security.......................................................................................................69
10 Service and Maintenance................................................................71
10.1 Maintenance..........................................................................................................71
10.1.1 Maintenance procedures..........................................................................72
10.1.2 Blade replacement....................................................................................77
11 Technical specifications Big mow BM 1050..................................78
12 Notices.............................................................................................. 80
13 Abbreviations....................................................................................81
14 Glossary............................................................................................82
Chapter 1 What's New
1 What's New
Software Version 4.5
A GPS Navigation Zone (page 82) can be defined which encompasses an entire
working area. Multiple GPS zones can be defined within the navigation zone that do not
need to be connected to the loop or overlap with each other.
GPS NoGo zones are always respected for both pattern and random working.
Data corrections sent from the RTK base to the robots can be transmitted using 4G.
The maximum slope allowed for pattern working is now 30%.
Site requirements for pattern working have been improved in particular, navigation along
narrow passages.
Pattern mowing in an RTK GPS zone can be switched on or off. This means that if there
are problems with the signal levels, or there are areas that are not suited to pattern
working, random working can be implemented.
It is possible to specify the main orientation (heading) of the mowing pattern. This is
especially useful for sports pitches where it can be set to match exactly the lines defining
the pitch.
Sonar problem detection and diagnostics have been improved.
Border mode can now be executed by following the track wire or a set of GPS coordinates.
Software Version 4.4
In pattern mowing, the overlap between lines has been reduced from 20cm to 10cm. This
increases the mowing efficiency by reducing the time to mow a particular area.
Complex mowing areas are supported for pattern mowing.
When mowing in pattern mode over multiple zones, the mowing in one zone will be
completed before mowing starts in another zone. See Choosing where to work (page
43).
Improved GPS navigation.
This overcomes problems that could arise when the robot fails to calculate a GPS path to
the target point when it is close to the border of the field. This applies in particular to tight
corners with a small radius and when it is necessary to navigate through narrow passages.
Track wire improvements.
This reduces the occurrence of alarms indicating "wire lost" during track wire movements
in corners.
Track border improvements
This improves the navigation with a minimum track border distance (when the robot is
close to the wire) .
Tilt alarm improvements
When using a high traction force to move the robot up a slope, the front is easily lifted,
triggering a tilt alarm causing the robot to stop.
Big mow BM 1050 User's Manual Version: Release 4.5.0 Last updated: 2022-08-20 5
Chapter 1 What's New
Figure 1: Tilt alarm triggered due to a slope
The robot now waits for a certain time to check whether the tilt situation has been
corrected. If it has, the robot will continue working.
System level over-voltage, detection and protection of electronics.
The main bus voltage is now constantly monitored. If it reaches a critical level the
operation of the robot is shut down in a controlled manner to protect the electronics. If the
system voltage remains high when the robot tries to restart, an alarm is triggered.
GPS defined NoGo zones can be implemented.
Pattern mowing on slopes of up to 15% is possible.
Software Version 4.3
Patterned mowing is possible for robots set up to use RTK GPS positioning system. See
About RTK GPS (page 10).
Robots can now operate in border mode (page 38) for multi-field installations.
It is possible to prevent mowing on a specified parcel by setting the cutting height of the
blades to "disabled" (page 61).
Parcel choice is based on work history (page 43).
A robot will not cross unavailable fields when starting a new mission (page 45).
A Max short cycles allowed (page 68) parameter to limit the number of times the robot
will execute a very short working cycle can be set.
Cutting heads disabled when returning to station (page 31).
A robot will retry to dock after a failed connection (page 31).
Software Version 4.2
Information about the portal is in a separate manual.
Operation menu Brake on idle (page 67).
Cutting heads (page 60). Cutting height can be set for a parcel.
Return to station using GPS from multiple parcels. See Go to charging station mode (page
31).
Exit from station using GPS. See Go zone mode (page 39).
Options in a menu are presented graphically in a tree.
Release 4.1
How to edit the robot's schedule using the web portal.
The date format can be set using Service Settings > Regional parameters.
The unit system used to display values can be set using Service Settings > Regional
parameters.
The system of returning to the station using GPS.
An overview of all the signal channels can be seen by pushing 8 on the keyboard for 5
seconds.
6 Big mow BM 1050 User's Manual Version: Release 4.5.0 Last updated: 2022-08-20
Chapter 1 What's New
Additional information about the robot is available from Service Settings > Device.
Additional icons have been added to the home screen on the user interface (page 52).
The chapter on Troubleshooting has been temporarily removed and will be available
shortly.
Release 3.5.1
- Corrections in the text.
Release 3.5
- The release number of the manual has been adjusted to match the software version to
which it relates.
Note: This implies that there are no manuals with release numbers 3.2, 3.3 or 3.4
- Update to the troubleshooting section.
- Updates to the portal interface.
Release 3.1
- The contents of the How Big mow BM 1050 works (page 24) has been updated to
distinguish between installations that use a positioning beacon and those that use a "return
to station loop".
- In The Actions menu (page 55) there is a new option to start the robot working in a
specific parcel.
Release 3.0
LCD settings (page 64)
Big mow BM 1050 User's Manual Version: Release 4.5.0 Last updated: 2022-08-20 7
Chapter 2 Introduction
2 Introduction
This manual provides all the information required to use your Big mow BM 1050 battery
powered robotic lawnmower.
is the new version of the Bigmow robot. All the information in this manual refers to the
Bigmow robot using software version 4.5.
This manual contains the original instructions.
Your robot is installed by a Belrobotics authorized engineer. The configuration of your field is
analyzed to determine the most suitable robot. The peripheral wire is installed, and the robot
programmed according to the terrain and your requirements. Training is provided to enable
you to manage the robot autonomously.
Technical developments are taking place constantly, so the information contained in this
document is provided as an indication and is in no way contractual. It can be changed at any
moment by Belrobotics, without the need for prior announcement. Updated information can be
obtained from your dealer and the website https://myrobot.belrobotics.com/.
Big mow BM 1050 has been designed to high safety standards, but residual risks are always
possible and the recommended safety and protective measures must be followed.
Version
This manual refers to Software version 4.5
The current software version can be see by selecting -> Device from the interface screen
or by viewing information about the robot on the web portal.
Related documentation
For related documentation go to the Documentation section on the web portal https://
myrobot.belrobotics.com.
MyRobot - User's Manual: for information about using the web portal.
User manual (other languages).
The required RTK Base manual.
Contact details
customerservice@yamabiko.eu
8 Big mow BM 1050 User's Manual Version: Release 4.5.0 Last updated: 2022-08-20
Chapter 3 Conventions used in the manual
3 Conventions used in the manual
To charge the battery Indicates the start of a procedure to be
followed.
blue text (page 9) A link to another section of the manual.
green text (page 9) A link to a word in the glossary.
Use active periods Indicates an option to highlight in the user
interface.
this is less than 5m italic script for emphasis
1An entry in the user interface
Indicates a maintenance operation.
menu entry Sequence of menu selections in the
interface. Infrastructure > Peripheral
wires
PARCELS The name of a screen in the user interface.
{ } Indicates a variable parameter value.
Robot Wi-Fi Access User interface control on the smartphone
app
message Message displayed on the smartphone app
Big mow BM 1050 User's Manual Version: Release 4.5.0 Last updated: 2022-08-20 9
Chapter 4 About RTK GPS
4 About RTK GPS
Standard GPS positioning data retrieved from satellites using GNSS (Global Navigation
Satellite System) is accurate to between 5m and 10m. This is because the signal received
from a satellite is distorted due to atmospheric and environmental conditions. Higher precision
positioning can be achieved by using an RTK (Real-Time Kinematic) technique.
This technique involves the use of an RTK base placed in a fixed position, which receives
GNSS signals from satellites. Since the base is fixed, the data it receives relates to its precise
location.
The robots are fitted with antennas, which also receive GNSS signals from satellites to
determine their position. Both the RTK base and the robots receive the GNSS signals from
satellites in different constellations (GPS, GLONASS, Galileo, BeiDou). Since the robots are
moving however, the evaluation of their position is less precise.
The RTK base computes correctional data for each of the satellites and sends these to the
robot. The robot is then able to use these corrections to achieve a positional accuracy of
between 2cm and 3cm. With such accurate positioning, the robot is able to follow a defined
pattern and cover the field in a series of straight lines.
Communication between the robot and the RTK base using WiFi and can be made over a
distance of up to 200m if there are no obstacles in the way. If greater distances are required,
up to 2 WiFi repeaters can be used.
Figure 2: Transfer of corrections using WiFi
Corrections can also be made via the Belrobotics cloud using 4G. In this case, obstacles do
not impede the transfer of correctional data and the base can connect to an unlimited number
robots at distances of up to 15km.
10 Big mow BM 1050 User's Manual Version: Release 4.5.0 Last updated: 2022-08-20
Chapter 4 About RTK GPS
Figure 3: Transfer of corrections using 4G
One base station can feed corrections to multiple robots on the same site, but each robot
must receive corrections from only 1 base station to keep corrections consistent.
Subscriptions
The ability to use the RTK system to implement pattern working requires an annual
subscription. A free grace period of 2 months is provided after the initial installation of
the system. After this time, the payment of the annual subscription is required. Details on
subscriptions can be found in the MyRobots manual.
Advantages
Since the robot can mow in a well-defined pattern of straight lines, the time taken to mow an
area can be reduced relative to the time taken using a random trajectory. This means that:
One robot can manage a larger area of grass.
The time required to mow an area is reduced, so the selection of suitable work times is
much more flexible. Thus the robot can work when the field is not in use and does not
need to work at night, so reducing the danger to nocturnal animals.
The grass is mown systematically. The direction of the mowing lines is changed with each
passage over the area to improve the quality of the mowing and avoid tracks.
Big mow BM 1050 User's Manual Version: Release 4.5.0 Last updated: 2022-08-20 11
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