Bosch CP1 User manual

Instruction manual
RE95259-01-B/2021-11-09, EN
Control panels
CP1
CP2

© BoschRexrothAG2021. All rights reserved,
also regarding any disposal, exploitation,
reproduction, editing, distribution, as well
as in the event of applications for industrial
property rights.
The data specified within only serves
todescribe the product. No statements
concerning acertain condition or suitability
for acertain application can be derived from
our information. The information given does
not release the user from the obligation of
own judgment and verification. It must be
remembered that our products are subject to
anatural process of wear and aging.
The cover shows an example application.
The product delivered may differ from the
image on the cover.
The original instruction manual was created
in German.

RE95259-01-B/2021-11-09, BoschRexrothAG
Contents | Control panels CP1 and CP2 | 3/24
Contents
1 About this documentation ������������������������������������������������������������������������ 4
1.1 Validity of the documentation ...................................................................... 4
1.2 Required and supplementary documentation............................................... 4
1.3 Representation of information...................................................................... 4
1.3.1 Safety instructions ....................................................................................... 4
1.3.2 Symbols ....................................................................................................... 5
1.3.3 Designations ................................................................................................ 5
1.3.4 Abbreviations ............................................................................................... 6
2 Safety instructions ����������������������������������������������������������������������������������� 7
2.1 About this chapter........................................................................................ 7
2.2 Intended use ................................................................................................ 7
2.3 Improper use................................................................................................ 8
2.4 Personnel qualifications ............................................................................... 8
2.5 General safety instructions .......................................................................... 9
2.6 Product-specific safety instructions ........................................................... 10
2.7 Personal protective equipment................................................................... 11
2.8 Use in safety-related functions ................................................................... 11
3 General instructions on property damage and product damage ������������� 12
4 Scope of delivery������������������������������������������������������������������������������������ 13
4.1 Scope of delivery CP1................................................................................ 13
4.2 Scope of delivery CP2 ................................................................................ 13
5 About this product ��������������������������������������������������������������������������������� 14
5.1 Product description CP1............................................................................ 14
5.2 Product description CP2............................................................................ 15
5.3 Product identification................................................................................. 16
5.3.1 Identification of CP1 .................................................................................. 16
5.3.2 Identification of CP2 .................................................................................. 16
6 Transport and storage ���������������������������������������������������������������������������� 17
6.1 Storing control panels................................................................................ 17
6.1.1 Requirements............................................................................................. 17
7 Installation��������������������������������������������������������������������������������������������� 18
7.1 Unpacking .................................................................................................. 18
7.2 Installation conditions................................................................................ 18
7.3 Assembling control panels ......................................................................... 18
7.3.1 Preparation ................................................................................................ 18
7.3.2 Installation ................................................................................................. 19
7.3.3 Information on wiring and circuitry ............................................................ 19
7.3.4 Electrically connecting control panels........................................................ 19
8 Commissioning��������������������������������������������������������������������������������������� 20
9 Operation ����������������������������������������������������������������������������������������������� 20
10 Maintenance and repair�������������������������������������������������������������������������� 21
10.1 Cleaning and care ...................................................................................... 21
10.2 Inspection and maintenance ...................................................................... 21
10.3 Repair ........................................................................................................ 21
11 Removal and replacement ���������������������������������������������������������������������� 21
12 Disposal ������������������������������������������������������������������������������������������������� 21
13 Extension and conversion����������������������������������������������������������������������� 22
14 Technical data ���������������������������������������������������������������������������������������� 22
15 Alphabetical index ��������������������������������������������������������������������������������� 23

4/24 Control panels CP1 and CP2 | About this documentation
BoschRexrothAG, RE95259-01-B/2021-11-09
1 About this documentation
1�1 Validity of the documentation
This documentation applies to the following products:
• Control panel CP1
• Control panel CP2
This documentation is intended for machine/system manufacturers,
assemblers and service engineers.
This documentation contains important information on the safe and proper
transport, installation, commissioning, operation, maintenance, disassembly and
simple troubleshooting of the product.
▶ Read this documentation completely, in particular chapter2 "Safety instructions"
on page7 and chapter 3 "General instructions on property damage and
product damage" on page12 before you start working with the product.
1�2 Required and supplementary documentation
▶ Only commission the product if the documentation marked with the
book symbol is available to you and you have understood and observed it.
Table 1: Required and supplementary documentation
Title Document number Document type
Control panel CP1
Contains the permissible technical data,
ports and main dimensions of standard
versions.
95255 Data sheet
Control panel CP2
Contains the permissible technical data,
ports and main dimensions of standard
versions.
95256 Data sheet
1�3 Representation of information
Uniform safety instructions, symbols, terms and abbreviations are used throughout
this documentation to ensure safe and proper use of the product. For clarification,
they are explained in the sections below.
1�3�1 Safety instructions
This documentation contains safety instructions in chapter2.6
"Product-specific safety instructions" on page10 and in chapter3
"General instructions on property damage and product damage" on page12,
as well as before asequence of actions or an instruction for action involving arisk
of personal injury and property damage. Always follow the measures for danger
prevention associated with the use of this product.

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About this documentation | Control panels CP1 and CP2 | 5/24
Safety instructions are set out as follows:
SIGNAL WORD
Type and source of danger!
Consequences of noncompliance
▶ Danger prevention measures
•Warning sign: draws attention to the danger
•Signal word: identifies the degree of the danger
•Type and source of danger: indicates the type and source of the danger
•Consequences: describes the consequences of non-compliance
•Precautions: states how the danger can be avoided
Table 2: Hazard classes as defined in ANSI Z535�6
Warning sign, signal word Meaning
DANGER Identifies adangerous situation that will result in death or
serious injury if it is not avoided.
WARNING Identifies adangerous situation that may result in death or
serious injury if it is not avoided.
CAUTION Identifies adangerous situation that may result in minor to
moderate injury if it is not avoided.
NOTICE Property damage: The product or surrounding area may be
damaged.
1�3�2 Symbols
The following symbols indicate notices that are not safety-relevant but increase
understanding of the documentation.
Table 3: Meaning of symbols
Symbol Meaning
If this information is disregarded, the product cannot be used and/or
operated to its full extent.
▶ Single, independent action
1.
2.
3.
Numbered instruction:
The numbers indicate that the actions must be completed in order.
1�3�3 Designations
This documentation uses the following designations:
Table 4: Designations
Designation Meaning
CP1 Control panel CP1 for Electrohydraulic Hitch Control EHC
CP2 Control panel CP2 for Electrohydraulic Hitch Control EHC
The designations "product" or "control panel" are used as the generic term for the
"control panels CP1 and CP2".

6/24 Control panels CP1 and CP2 | About this documentation
BoschRexrothAG, RE95259-01-B/2021-11-09
1�3�4 Abbreviations
This documentation uses the following abbreviations:
Table 5: Abbreviations
Abbreviation Meaning
ANSI American National Standards Institute is an organization that coordinates
the development of voluntary standards in the United States
DIN Deutsches Institut für Normung (German Institute for Standardization)
EMC Electromagnetic compatibility
EN European Norm (standard)
ISO International Organization for Standardization
RE Rexroth document in the English language (English)

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Safety instructions | Control panels CP1 and CP2 | 7/24
2 Safety instructions
2�1 About this chapter
The product has been manufactured in accordance with generally accepted
engineering standards. There is still, however, adanger of personal injury or
property damage if this chapter and the safety instructions in this documentation
are not observed.
▶ Read this documentation completely and thoroughly before working with
the product.
▶ Keep this documentation in alocation where it is accessible to all users at
all times.
▶ Always include the required documentation when passing the product on to
third parties.
2�2 Intended use
The control panels CP1 and CP2 are only intended for use in applications featuring
hitch control with Rexroth control units and with EHC software installed.
▶ Generally, the control panel must be operated within the operating
ranges specified and approved in the respective datasheet, see Table 1
"Required and supplementary documentation" on page 4, particularly
with regard to voltage, temperature, vibration, shock and other described
environmental influences.
▶ Its use outside of these specified and approved boundary conditions may result
in danger to life and/or cause damage to components which could result in
sequential damage to the mobile working machine.
▶ Serious personal injury and/or damage to property may occur in case of
non-compliance with the appropriate regulations.
▶ Observe the corresponding IP protection class.
The product is intended only for professional use and not for private use.
Intended use includes having fully read and understood this documentation,
especially chapter 2 "Safety instructions" on page 7.

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2�3 Improper use
Any use other than that described as intended use is considered improper.
BoschRexrothAG is not liable for damage resulting from improper use. The user is
solely responsible for any risks arising from improper use.
The following foreseeable forms of faulty usage are also considered improper
(this list is not exhaustive):
• Use outside the operating parameters approved in the datasheet
(unless customer-specific approval has been granted)
• Use of the control panel under water (if the control panel is nevertheless to be
submerged under water for ashort time, this must be tested on acase-by-case
basis, please consult your proper contact person at BoschRexroth)
• Application of the control panel in explosive environments
• Use of the control panel in acorrosive atmosphere
2�4 Personnel qualifications
The activities described in this documentation require basic mechanical,
electronical/electrical and hydraulic knowledge, as well as knowledge of the
associated technical terms. In order to ensure safe use, these activities should only
be performed by skilled personnel or an instructed person under the direction and
supervision of skilled personnel.
Skilled personnel refers to persons who possess the professional training,
knowledge and experience, as well as the understanding of the regulations
relevant to the work to be done that are necessary to recognize possible dangers
and take the appropriate safety measures. Skilled personnel must follow the rules
relevant to their field and have the necessary expert knowledge of mechatronics,
electronics and hydraulics, if applicable.
Expert knowledge means, for instance:
• Being able to read and fully understand electrical circuit diagrams and hydraulic
diagrams, if applicable,
• in particular, fully understanding the relationships with regard to safety devices,
• as well as to carry out the wiring of electronic components correctly and
• to have knowledge of the function and interaction of electronic, mechanical and
hydraulic components.
Only trained and experienced specialists who are adequately familiar with
both the components used and the complete system should implement system
developments or install and commission electronic systems for controlling
hydraulic drives.
BoschRexroth offers training support for specialized fields. You can find an
overview of the training contents on the Internet at:
www.boschrexroth.com/training.

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Safety instructions | Control panels CP1 and CP2 | 9/24
2�5 General safety instructions
• Observe the country-specific accident prevention and environmental protection
regulations.
• Observe the safety regulations of the country in which the product is
used/operated.
• Use Rexroth products only when they are in good working order.
• Do not install, operate, disassemble or maintain Rexroth products if under the
influence of alcohol, drugs or medication that may affect your reaction time.
• Only use approved accessories and original spare parts from Rexroth in order to
exclude hazards to persons due to unsuitable spare parts.
• Observe the technical data and ambient conditions specified in the product
documentation.
• If unsuitable products are installed or used in applications that are of relevance
to safety, unexpected operating conditions may occur in the application,
which could result in personal injury or property damage. For this reason,
only use the product in safety-relevant applications if this use is expressly
indicated and approved in the product documentation, e.g.in safety-related
parts of acontrol system (functional safety).
• Only commission the product if it has been determined that the end product
(e.g.machinery/system) in which the Rexroth products are installed complies
with the country-specific provisions, safety regulations and standards for the
application.
• Use tools appropriate for the work being performed and wear appropriate
protective clothing to prevent punctures and cuts (e.g.when removing protective
covers, disassembly).
• This control panel contains electronic components and may thus be
damaged by electrostatic discharge. Comply with the handling regulations
for electronically sensitive components, see respective data sheet
(Table 1 "Required and supplementary documentation" on page 4).
• The proposed circuits do not imply any technical liability for the system or the
machine on the part of BoschRexroth.
• It is not permissible to open the control panel or to modify or repair the
control panel. Modifications or repairs to the wiring could result in dangerous
malfunctions.
• The control panel may only be installed/disassembled in ade-energized state.
• Only trained and experienced specialists who are adequately familiar with
both the components used and the complete system should implement system
developments or install and commission electronic systems for controlling
hydraulic drives.
• The machine may pose unforeseen hazards while the control panel is being
commissioned and serviced. Before commissioning the system, you must
therefore ensure that the vehicle and the hydraulic system are in asafe condition.
• Make sure that nobody is in the machine’s danger zone.
• Do not use defective components or components which are not in
aproper working order. If components fail or demonstrate afaulty operation,
they must be replaced.

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2�6 Product-specific safety instructions
The following safety instructions apply to chapters 6 to 13.
WARNING
System/machine under pressure!
Risk of death or serious injury when working on unsecured machines/systems!
Property damage!
▶ Switch off the relevant machine/system part and secure it against reactivation
according to the parameters by the machine/system manufacturer.
▶ Ensure that all relevant components of the hydraulic system are depressurized.
For this purpose, observe the parameters indicated by the machine/system
manufacturer.
▶ Please note that the hydraulic system might still be pressurized even after
separation from the actual pressure supply.
▶ Do not disconnect any line connections, ports or components as long as the
hydraulic system is under pressure.
CAUTION
Inappropriate routing of cables and lines!
Risk of stumbling and property damage! Improper routing of cables and lines
can cause arisk of stumbling as well as damage to equipment and components,
e.g.due to lines and connectors being torn off.
▶ Always install cables and lines in away that nobody can fall over them,
that they are not bend or twisted, do not chafe on edges and are not guided
through ducts with sharp edges without sufficient protection.
Danger due to malfunctions!
Risk of injury and property damage as well as machine damage due to
malfunctions of the control panel!
▶ Carry out arisk assessment of your machine and determine the possible
safety-relevant functions.
▶ Make sure that the expected rotational speed signal (frequency) is provided
with the correct value.
▶ Before operation, check whether the direction of rotation is correctly detected.
▶ Take suitable measures to ensure safety in applications relevant to safety,
e.g.sensor redundancy, plausibility check, emergency switch, etc.
▶ Product data that is required for the safety assessment of the machine is
included in datasheet 95255(CP1) and 95256(CP2).

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2�7 Personal protective equipment
The personal protective equipment is the responsibility of the user of the product.
Observe the safety regulations in your country.
All pieces of personal protective equipment should be intact.
2�8 Use in safety-related functions
▶ The customer is responsible for the preparation of arisk analysis of the tractor
and for the definition of possible safety functions of the tractor.
▶ The customer is responsible for evaluating the entire safety-relevant system and
for determining the suitability of CP1/CP2 for safety functions of the tractor.
▶ The machine control must monitor the CAN messages and respond to the fault
messages and loss of messages by bringing the machine into asafe state.
▶ An efficient field monitoring process must be defined by the customer.
All field failures with involvement of the CP1/CP2 should be reported to
BoschRexroth without delay, even if they are not subject to warranty.

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BoschRexrothAG, RE95259-01-B/2021-11-09
3 General instructions on property
damage and product damage
The following notices apply to chapters 6 to 13.
NOTICE
Environmental pollution due to incorrect disposal!
Careless disposal of the product and the packaging material could lead to
environmental pollution!
▶ Dispose of the product and packaging in accordance with the national
regulations in your country.
Electrical voltage!
Property damage due to electrical voltage!
▶ Always disconnect the voltage supply to the relevant machine/system
part before installing the product and/or connecting or disconnecting the
connector. Protect the machine/system against being re-energized.
The warranty exclusively applies to the delivered configuration.
The warranty will be voided if the product is incorrectly installed, commissioned or
operated, or if it is used or handled improperly.

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Scope of delivery | Control panels CP1 and CP2 | 13/24
4 Scope of delivery
4�1 Scope of delivery CP1
1
Fig� 1: Control panel CP1
Included in the scope of delivery:
• Control panel CP1(1)
4�2 Scope of delivery CP2
1
Fig� 2: Control panel CP2
Included in the scope of delivery:
• Control panel CP2(1)

14/24 Control panels CP1 and CP2 | About this product
BoschRexrothAG, RE95259-01-B/2021-11-09
5 About this product
5�1 Product description CP1
The control panel CP1 is only intended for use in applications featuring hitch
control with Rexroth control units and with EHC software installed.
This control panel is intended for being used in agricultural technology.
There are two versions:
• Analog control panel
• CAN control panel
2
a b c d 98 4 6
1 10 11 7 5 3
Fig� 3: Operating elements CP1
1 Excavation lever (4 positions)
aTransport, lift
bStop
cControl, lower
dFloat, quick retract
2 Lock (transport)
3 Lowering speed setting
4 Setpoint value setting for lifting gear settings
5 Limitation to upper end position
6 Mixture
Stepless adjustment between tractive force and position control
7 Light: Diagnosis
8 Light: Lifting
9 Light: Lowering
10 Push-button for vibration damping
11 Light: Vibration damping
Operating elements

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About this product | Control panels CP1 and CP2 | 15/24
5�2 Product description CP2
The control panel CP2 is only intended for use in applications featuring hitch
control with Rexroth control units and with EHC software installed.
This control panel is intended for being used in agricultural technology.
There is one version:
• CAN control panel
A B C D
H G F E
Fig� 4: Operating elements CP1
A LCD display, 16×2 dots
B Height controller
C Transport/stop/control switch, on-off-on
D Tractive force controller
E Switch for fast lowering
F Speed controller
G Mixing controller
H Damping control (transport mode)
Operating elements

16/24 Control panels CP1 and CP2 | About this product
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5�3 Product identification
5�3�1 Identification of CP1
The product can be identified using the material number (1) on the label of the
packaging unit as well as on the control panel (2).
1
2
Fig� 5: Material number CP1
5�3�2 Identification of CP2
The product can be identified using the material number (1) on the label of the
packaging unit as well as on the control panel (2).
1
2
Fig� 6: Material number CP2

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Transport and storage | Control panels CP1 and CP2 | 17/24
6 Transport and storage
Check the control panels for transport damage. If there are obvious signs of
damage, please inform the transport company and BoschRexroth immediately.
If the control panel is dropped, it must not be used any longer as invisible damage
could have anegative impact on reliability.
6�1 Storing control panels
6�1�1 Requirements
Storage time: 5 years at an average relative humidity of 60% and atemperature
between -10°C and +30°C. Astorage temperature of -20°C to +40 °C is
permissible for ashort-term period of up to 100 hours.

18/24 Control panels CP1 and CP2 | Installation
BoschRexrothAG, RE95259-01-B/2021-11-09
7 Installation
Prior to installation, the following documents should be to hand:
• Data sheet of the product (contains the permissible technical data,
main dimensions and circuit diagrams of standard versions)
7�1 Unpacking
NOTICE! Danger due to electrostatic discharge!
When unpacking the control panel, there is adanger of damage to the electronic
components of the control panel due to electrostatic discharge.
▶ When unpacking, protect the control panel against electrostaticdischarge;
information on the protection of the control panel against electrostatic
discharge (ESD) can be found in the respective data sheet
(Table 1 "Required and supplementary documentation" on page 4).
▶ Remove the packaging from the control panel.
▶ Check the control panel for transport damage and completeness, see chapter4
"Scope of delivery" on page13.
▶ Dispose of the packaging in accordance with the regulations in your country.
7�2 Installation conditions
The installation position and location of the control panel essentially determine
the procedures for installation and commissioning.
▶ Do not install the control panel near parts which generate considerable heat
(e.g.exhaust system).
▶ Lines are to be routed with sufficient distance from hot or moving vehicle parts.
▶ Radio equipment and mobile telephones must not be used in the driver's cab
without asuitable antenna or near the control electronics.
▶ A sufficient distance to radio systems must be maintained.
▶ Before electric welding and painting operations, the control panel must be
diskonnected from the power supply and the
control panel connector must be
removed.
▶ Cables/wires must be sealed individually to prevent water from entering
the control panel.
7�3 Assembling control panels
7�3�1 Preparation
1. Check the material number on the sticker of the packaging unit or the control
panel to make sure that the correct control panel is used, see chapter4
"Scope of delivery" on page13.
2. Compare the material number with the details in the order confirmation.
If the material number of the control panel does not match the one in the order
confirmation, contact your local contact person for clarification. You can find
their contact information at
https://addresses.boschrexroth.com

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7�3�2 Installation
The control panel is intended for installation or attachment in the cab.
7�3�3 Information on wiring and circuitry
• The control panel may only be wired when it is de-energized.
• Lines to the electronics must not be routed close to other power-conducting lines
in the device or vehicle.
• The wire harness should be fixated mechanically in the area in which the control
panel is installed (spacing <100mm). The wiring harness should be secured so
that in-phase excitation with the control panel occurs (e.g.at the control panel
mounting point).
• If possible, lines should be routed in the vehicle interior. If the lines are routed
outside of the vehicle, their secure mounting is to be ensured.
• Lines must not be kinked or twisted, must not rub against edges and must not be
routed through sharp-edged ducts without protection.
• Lines are to be routed with sufficient distance from hot or moving vehicle parts.
7�3�4 Electrically connecting control panels
1. Make sure that the connector of the control panel and the mating connector
of the wire harness match; the pin assignment can be found in the respective
data sheet, see Table 1 "Required and supplementary documentation"
on page 4.
2. Make sure that the mating connector of the wire harness is in de-energized
condition.
3. Connect the mating connector of the wiring harness to the control panel
connector until it engages noticeably and observe the correct plug-in position.

20/24 Control panels CP1 and CP2 | Commissioning
BoschRexrothAG, RE95259-01-B/2021-11-09
8 Commissioning
During all work for commissioning the control panel, observe the general safety
instructions and intended use detailed in chapter 2 "Safety instructions"
from page7 on.
▶ When commissioning the control panel, the machine may pose unforeseen
hazards. Before commissioning the system, you must therefore ensure that the
vehicle and the hydraulic system are in asafe condition.
▶ Commission the machine and check the correct functioning of the control panel.
9 Operation
This product is acomponent which requires no settings or changes during
operation. For this reason, this chapterof the manual does not contain any
information on adjustment options. Use the product only within the performance
range specified in the technical data.