Linak BusLink LA25 User manual

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LINAK.COM/TECHLINE
Actuator LA25
User manual

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Contents
Preface ................................................................................................................................................. 4
LINAK application policy........................................................................................................................ 5
Chapter 1
Safety instructions.............................................................................................................................. 6-7
IECEx/ATEX........................................................................................................................................ 8-9
Chapter 2
Mounting guidelines....................................................................................................................... 10-11
Mounting of cables ............................................................................................................................. 12
Electrical installation:........................................................................................................................... 13
Recommended fuse................................................................................................................... 13
Actuator without feedback........................................................................................................ 14
Actuator with:
Endstop signal output................................................................................................ 15-16
Relative positioning - Single Hall................................................................................ 17-18
Endstop signals and relative positioning - Single Hall.................................................. 19-20
Absolute positioning - Analogue feedback.................................................................. 21-22
Endstop signals and absolute positioning - Analogue feedback................................... 23-24
Absolute positioning - PWM ...................................................................................... 25-26
Endstop signals and absolute positioning - PWM ....................................................... 27-28
IC Basic..................................................................................................................... 29-31
IC Advanced - with BusLink........................................................................................ 32-35
Correct wiring of Power GND and Signal GND for IC Basic and IC Advanced .............................. 35
IC options overview .................................................................................................................. 36
Feedback configurations available for IC Basic, IC Advanced and Parallel.................................... 37
Actuator configurations available for IC Basic, IC Advanced and Parallel................................ 38-39
Actuator with Parallel........................................................................................................... 40-42
The parallel system............................................................................................................... 43-45
System monitoring for Parallel................................................................................................... 46
Alignment of the parallel actuator system.................................................................................. 46
Parallel manual service mode .................................................................................................... 47
Actuator with CAN bus ........................................................................................................ 48-50

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Contents
Chapter 3
Troubleshooting ............................................................................................................................. 51-52
Troubleshooting for Parallel ............................................................................................................ 53-54
BusLink service counter - Reason for last stop...................................................................................... 55
Chapter 4
Specifications...................................................................................................................................... 56
Usage ................................................................................................................................................. 56
Actuator dimensions............................................................................................................................ 57
Speed and current curves:............................................................................................................... 58-59
12V motor................................................................................................................................... 58
24V motor................................................................................................................................... 59
Test of conducted and radiated emission.............................................................................................. 60
Label for LA25 .................................................................................................................................... 61
Label for LA25 IECEx/ATEX.................................................................................................................. 62
Key to symbols .................................................................................................................................... 63
LA25 ordering example ....................................................................................................................... 64
Chapter 5
Maintenance....................................................................................................................................... 65
Repair................................................................................................................................................. 65
Main groups of disposal ...................................................................................................................... 65
Warranty ............................................................................................................................................ 65
Declaration of conformity .................................................................................................................... 66
Declaration of incorporation of partly completed machinery.................................................................. 67
IECEx certificates............................................................................................................................ 68-69
ATEX.............................................................................................................................................. 69-72
Adresses ............................................................................................................................................. 74

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Preface
Dear User,
We are delighted that you have chosen a product from LINAK®.
LINAK systems are high-tech products based on many years of experience in the manufacture and
development of actuators, electric control boxes, controls, and chargers.
This user manual does not address the end-user, but is intended as a source of information for the
manufacturer of the equipment or system only, and it will tell you how to install, use and maintain your LINAK
electronics. It is the responsibility of the manufacturer of the end-use product to provide a User Manual where
relevant safety information from this manual is passed on to the end-user.
We are sure that your LINAK product/system will give you many years of problem-free operation. Before our
products leave the factory they undergo full function and quality testing. Should you nevertheless experience
problems with your LINAK product/system, you are always welcome to contact your local dealer. LINAK
subsidiaries and some distributors situated all over the world have authorised service centres, which are
always ready to help you.
LINAK provides a warranty on all its products. This warranty, however, is subject to correct use in accordance
with the specifications, maintenance being done correctly and any repairs being carried out at a service centre,
which is authorised to repair LINAK products.
Changes in installation and use of LINAK products/systems can affect their operation and durability. The
products are not to be opened by unauthorised personnel.
The User Manual has been written based on our present technical knowledge. We are constantly working on
updating the information and we therefore reserve the right to carry out technical modifications.
LINAK A/S

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LINAK application policy
The purpose of the application policy is to define areas of responsibilities in relation to applying a LINAK
product defined as hardware, software, technical advice, etc. related to an existing or a new customer
application.
LINAK products as defined above are applicable for a wide range of applications within Medical, Furniture,
Desk, and Industry areas. Yet, LINAK cannot know all the conditions under which LINAK products will be
installed, used, and operated, as each individual application is unique.
The suitability and functionality of the LINAK product and its performance under varying conditions (application,
vibration, load, humidity, temperature, frequency, etc.) can only be verified by testing, and shall ultimately be
the responsibility of the LINAK customer using any LINAK product.
LINAK shall be responsible solely that LINAK products comply with the specifications set out by LINAK and it
shall be the responsibility of the LINAK customer to ensure that the specific LINAK product can be used for the
application in question.

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Chapter 1
Safety instructions
Please read this safety information carefully:
Be aware of the following three symbols throughout the user manual:
Warning!
Failing to follow these instructions can cause accidents resulting in serious personal injury.
Recommendations
Failing to follow these instructions can result in the actuator suffering damage or being ruined.
Additional information
Usage tips or additional information that is important in connection with the use of the actuator.
Furthermore, ensure that all staff who are to connect, mount, or use the actuator are in possession of the
necessary information and that they have access to this user manual.
Persons who do not have the necessary experience or knowledge of the product/products must not use the
product/products. Besides, persons with reduced physical or mental abilities must not use the product/products,
unless they are under surveillance or they have been thoroughly instructed in the use of the apparatus by a
person who is responsible for the safety of these persons.
Moreover, children must be under surveillance to ensure that they do not play with the product.
Before you start mounting/dismounting, ensure that the following points are observed:
• The actuator is not in operation.
• The actuator is free from loads that could be released during this work.
Before you put the actuator into operation, check the following:
• The actuator is correctly mounted as indicated in the relevant user instructions.
• The equipment can be freely moved over the actuator’s whole working area.
• The actuator is connected to a mains electricity supply/transformer with the correct voltage and which is
dimensioned and adapted to the actuator in question.
• Ensure that the voltage applied matches to the voltage specified on the actuator label.
• Ensure that the connection bolts can withstand the wear.
• Ensure that the connection bolts are secured safely.

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During operation, please be aware of the following:
• Listen for unusual sounds and watch out for uneven running. Stop the actuator immediately if anything
unusual is observed.
• Do not sideload the actuator.
• Only use the actuator within the specified working limits.
• Do not step or kick on the actuator.
When the equipment is not in use:
• Switch off the mains supply in order to prevent unintentional operation.
• Check regularly for extraordinary wear.
Classification
The equipment is not suitable for use in the presence of a flammable anaesthetic mixture with air or with
oxygen or nitrous oxide.
Warnings
• Do not sideload the actuator.
• When mounting the actuator in the application ensure that the bolts can withstand the wear and that
they are secured safely.
• If irregularities are observed, the actuator must be replaced.
• For actuators with a stroke length below 50mm, the extended position of the mechanical endstop will
always be at 50mm.That means, if an actuator has a stroke of 20mm and the endstop switch in outwards
direction fails, the actuator will travel additional 30mm before reaching mechanical endstop.
Recommendations
• Do not place load on the actuator housing and do prevent impact or blows, or any other form of stress to
the housing.
• Ensure that the cable cover is mounted correctly. Use 1.5Nm torque.
• Ensure that the duty cycle and the usage temperatures for LA25 actuators are respected.
• Ensure that the cable cannot be squeezed, pulled or subjected to any other stress.
• Furthermore, it will be good practice to ensure that the actuator is fully retracted in the “normal” position.
The reason is that there will be a vacuum inside the actuator if it is extended which over time can lead to
water entering the actuator.
• If the actuator (without integrated controller) is mounted in an application where a mechanical stop
prevents the endstop switches in the actuator from being activated, the actuator must be equipped with
an electrical safety device (current monitoring) or external limit switch.

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The IECEx/ATEX certified LA25 (optional) is designed for installation in dust filled atmospheres such as grain
handling facilities, cement plants, saw mills or other dusty surroundings. Please note that the IECEx/ATEX
approval is only for dust, and NOT for gas.
The IECEx/ATEX versions are suitable for applications in Group IIIC, Category 2D. Zone 21 and 22.
IECEx/ATEX
Operation of the device is only valid if:
• The product is used under the conditions described in the installation - and operation instruction
• Ambient operating temperature -25°C to +65°C depending on duty cycle
• Atmospheric conditions: Pressure 80 kPa (0.8 bar) to 110 kPa (1.1 bar); and air with normal oxygen content,
typically 21% v/v
• Since the signal and power cables are not UV resistant they need to be shielded against UV light, e.g. daylight
or light from luminaries
• The connection between the actuator and the rest of the machine/device shall be conductive,
and furthermore the application shall be grounded in order to remove any Electro Static Discharge.This counts
for both of the actuator’s fixation points (Back Fixture and Piston Rod Eye)
• Safety and operation instructions are accessible and followed
• Not to be opened in areas with dust, and never by unauthorized personnel
• The production of IECEx/ATEX actuators require quality management systems and auditing.
Therefore, only LINAK A/S is allowed to produce, modify or repair actuators in order to sustain the approval.
No changes are to be made on the actuator after delivery
This manual is part of the equipment. The manufacturer keeps the right to modify specifications without
advanced notice. Keep this manual for later use.
*
Warnings
If the following is not complied with, the IECEx/ATEX certification will not be valid:
• Actuator specifications must be complied with
• If the actuator has no built-in current cut-off, one must be mounted
• Only IECEx/ATEX approved cables are to be used *
• The power supply/signal cables for the actuator must be terminated in a safe location or alternatively by use of an
Ex terminal box certified for special conditions for safe use
LA25 IECEx/ATEX
cable item no.
Length (mm) outside
the actuator
0147006 - 850 790
0147006 - 1600 1540
0147006 - 5100 5040

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General indication of risk:
Installation of the device shall be performed by trained staff only, familiar with the safety requirements and risks.
Check all relevant safety regulations and technical indications for the specific installation place.
Prevent failures and protect persons against injuries and the device against damage.
The person responsible for the system must secure that:
• Safety and operation instructions are accessible and followed
• Local safety regulations and standards are obeyed
• Performance data and installation specifications are regarded
• Safety devices are installed and recommended maintenance is performed
• National regulations for disposal of electrical equipment are obeyed
Maintenance and repair:
• Repairs on the device must be carried out by LINAK authorised persons only
• Only perform mounting described in this manual
During maintenance regard all safety regulations and internal operation instructions.
IECEx/ATEX

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Right WrongWrong Wrong
Mounting guidelines
LINAK®linear actuators are quickly and easily mounted by slipping pins through the holes on each end of the
units and into brackets on the machine frame and the load.
Chapter 2
The mounting pins must be parallel to each other as
shown in Figure 1. Pins, which are not parallel to each
other, may cause the actuator to bend and be damaged.
The load should act along the stroke axis of the actuator
as off-centre loads may cause bending and lead to
premature failure. See Figure 2.
Make sure the mounting pins are supported in both
ends. Failure to do so could shorten the life of the
actuator. Also, avoid applying a skew load on the
actuator.
The actuator can rotate around the pivot point in the front and rear end. If this is the case it is of high
importance that the actuator is able to move freely over the full stroke length, both during the development
and daily operation. Please pay special attention to the area around the housing where parts can be trapped
and cause damage to the application and actuator.
In applications with high dynamic forces LINAK recommends not to use the fully extended or retracted position
over longer time, as this can damage the endstop system permanently.
Figure 2
Figure 1

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Mounting guidelines
030618/DS
Instruktion vedr. uddrejning af inderrør – LA27 + LA27C
Til salesbackup, brugsanvisning og datablad.
Ved montage og ibrugtagning, er det ikke tilladt at dreje unødvendigt mange gange på
stempelstangsrøret. Hvis øjet ikke er positioneret korrekt, er det tilladt først at skrue
røret i bund (1), og derefter skrue det maksimalt ½ omgang ud igen (2).
• The mounting pins must have the correct dimension
• The bolts and nuts must be made of a high quality steel grade (e.g. 10.8).
No thread on the bolt inside the back fixture or the piston rod eye
• Bolts and nuts must be protected so there is no risk for them to fall out
• Do not use a torque that is too high when mounting the bolts for the back fixture or the piston rod
eye.This will stress the fixtures
Please note:
The piston rod eye is only allowed to turn 0-90 degrees.
Instruction concerning the turning of the piston rod eye and inner tube:
• When mounting and taking into use, it is not permitted to make excessive turns of the piston rod
eye. In cases where the eye is not positioned correctly, it is permitted to first screw the eye down
to its bottom position, at a maximum torque of 2Nm (1), and thereafter a maximum 90 degrees
turn outwards again (2).
• As the piston rod eye can turn freely, it is important to ensure that the eye cannot rotate if
the actuator is used in a pull application. If this happens, the actuator will be pulled apart and
destroyed.
Warning!
If the actuator is used for pull in an application where personal injury can occur, the
following is valid:
It is the application manufacturer’s responsibility to incorporate a suitable safety arrangement, which
will prevent personal injury from occurring, if the actuator should fail
Warning!
LINAK’s actuators are not designed for use within the following fields:
• Offshore installations • Nuclear power generation
• Aeroplanes and other aircraft

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Mounting of cables
• When changing the cables on a LINAK actuator, it is important that this is done carefully, in order to
protect the plugs and pins. Before the new cable is mounted, we recommend that the socket is
greased with vaseline, to keep the high IP protection and ensure an easy mounting. Please be sure
that the plug is in the right location and fully pressed in before the cable lid is mounted.
Note that the cable should not be used for carrying the actuator.
• We recommend to take some precaution and design the wire connection in a way, where the cable
end is kept inside a closed, protected area to guarantee the high IP protection.
1. Unscrew the cover 2. Remove the cover 3. Plug in the cable gently
without using any tools
Removing cables
4. Screw the cover back onto the actuator
The torque of the cover
screw is approx. 1.5 Nm
5. Use a screwdriver to pull up the
cable

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Electrical installation
Recommended fuse for actuators without integrated controller
Type Spindle
Pitch
(mm)
Thrust
max. Push/
Pull
(N)
Typical Amp.
at full load
(A)
24V - 12V
Recommended
fuse
24V - 12V
25030xxxxxxxxA... 3 2500 -3.8 -10A
25060xxxxxxxxA... 6 1500 - 3.8 -10A
25090xxxxxxxxA... 9 1200 - 4.0 - 10A
25120xxxxxxxxA... 12 900 - 3.8 - 10A
25200xxxxxxxxA... 20 600 - 4.0 - 10A
25030xxxxxxxxB... 3 2500 1.9 - 6A -
25060xxxxxxxxB... 6 1500 1.9 - 6A -
25090xxxxxxxxB... 9 1200 2.0 - 6A -
25120xxxxxxxxB... 12 900 1.9 - 6A -
25200xxxxxxxxB... 20 600 2.0 - 6A -
• To ensure maximum self-locking ability, please be sure that the motor is shorted when stopped.
Actuators with integrated controller provide this feature, as long as the actuator is powered.
• When using soft stop on a DC-motor, a short peak of higher voltage will be sent back towards
the power supply. It is important when selecting the power supply that it does not turn off the
output, when this backwards load dump occurs.
The power supply for actuators without integrated controller must be monitored externally and cut
off in case of current overload.

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Fig. 1 : 25xxxxxxxx000x0x=xxxxx00xxxxxx
Input/Output Specification Comments
Description Permanent magnetic DC motor.
See connection diagram,
fig. 1 above
Brown
12-24VDC (+/-)
12V ± 20%
24V ± 10%
Under normal conditions:
12V, max. 5A depending on load
24V, max. 2.5A depending on load
To extend actuator:
Connect Brown to positive
To retract actuator:
Connect Brown to negative
Blue To extend actuator:
Connect Blue to negative
To retract actuator:
Connect Blue to positive
Red Not to be connected
Black Not to be connected
Green Not to be connected
Yellow Not to be connected
Violet Not to be connected
White Not to be connected
BROWN
BLUE
Actuator without feedback
Connection diagram:
I/O specifications:
DEUTSCH
Standard connector front view
AMP
2P2P
22
11

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*YELLOW/GREEN: Endstop signals out are NOT potential free!
If you wish to use the endstop signals, you will have to keep power on the brown, blue, red and black wires,
otherwise the signal will be lost.
AMP
6P
2
1
4
5
6
3
DEUTSCH
8P
2
1
4
7
8
3
Standard connector front view
Fig. 2 : 25xxxxxxxx000x0x=xxxxx10xxxxxx
YELLOW*
GREEN*
IN
OUT
BROWN
BLUE
RED
BLACK
+
-
Actuator with endstop signal output
Connection diagram:

Page 16 of 76
Input/Output Specification Comments
Description The actuator can be equipped with elec-
tronically controlled endstop signals out.
See connection diagram,
fig. 2, page 16
Brown
12-24VDC (+/-)
12V ± 20%
24V ± 10%
Under normal conditions:
12V, max. 5A depending on load
24V, max. 2.5A depending on load
To extend actuator:
Connect Brown to positive
To retract actuator:
Connect Brown to negative
Blue To extend actuator:
Connect Blue to negative
To retract actuator:
Connect Blue to positive
Red Signal power supply (+)
12-24VDC Current consumption:
Max. 40mA, also when the actuator is
not running
Black Signal power supply GND (-)
Green Endstop signal out Output voltage min. VIN - 2V
Source current max. 100mA
NOT potential free
Yellow Endstop signal in
Violet Not to be connected
White Not to be connected
IN
OUT
Actuator with endstop signal output
I/O specifications:

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Fig. 3 : 25xxxxxxxx0K0x0x=xxxxx00xxxxxx
BROWN
BLUE
RED
VIOLET
BLACK
+
-
Actuator with relative positioning - Single Hall
Connection diagram:
AMP DEUTSCH
5P
2
1
4
5
3
6P
2
1
4
6
3
Standard connector front view

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Fig. 3.1
Micro -
Processor
Input Single Hall output
Hall B
Hall A
Input/Output Specification Comments
Description The actuator can be equipped with Single
Hall that gives a relative positioning
feedback signal when the actuator moves.
See connection diagram,
fig. 3, page 18
Brown
12-24VDC (+/-)
12V ± 20%
24V ± 10%
Under normal conditions:
12V, max. 5A depending on load
24V, max. 2.5A depending on load
To extend actuator:
Connect Brown to positive
To retract actuator:
Connect Brown to negative
Blue To extend actuator:
Connect Blue to negative
To retract actuator:
Connect Blue to positive
Red Signal power supply (+)
12-24VDC
Current consumption:
Max. 40 mA, also when the actuator is
not running
Black Signal power supply GND (-)
Green Not to be connected
Yellow Not to be connected
Violet Single Hall output (PNP)
Movement per single Hall pulse:
LA25030 Actuator = 0.25 mm per pulse
LA25060 Actuator = 0.5 mm per pulse
LA25090 Actuator = 0.75 mm per pulse
LA25120 Actuator = 1.0 mm per pulse
LA25200 Actuator = 1.7 mm per pulse
Frequency:
Frequency is 10-20Hz on Single Hall output
depending on load.
Pulse ON time is minimum 8ms.OFF time
between two ON pulses is minimum 8ms.
Overvoltage on the motor can result in
shorter pulses.
Output voltage min. VIN - 2V
Max. current output: 12mA
Max. 680 nF
N.B. For more precise measurements,
please contact LINAK A/S.
Low frequency with a high load.Higher
frequency with no load.
Diagram of Single Hall:
White Not to be connected
Actuator with relative positioning - Single Hall
I/O specifications:

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*YELLOW/GREEN: Endstop signals out are NOT potential free! (See I/O Specifications, page 17)
If you wish to use the endstop signals, you will have to keep power on the brown, blue, red and black wires,
otherwise the signal will be lost.
Fig. 4 : 25xxxxxxxx0K0x0x=xxxxx10xxxxxx
BROWN
BLUE
YELLOW*
GREEN*
IN
OUT
RED
VIOLET
BLACK
+
-
Actuator with endstop signals and relative positioning - Single Hall
Connection diagram:
DEUTSCH
8P
2
1
4
7
8
6
3
Standard connector front view

Page 20 of 76
Input/Output Specification Comments
Description The actuator can be equipped with Single
Hall that gives a relative positioning feed-
back signal when the actuator moves.
See connection diagram,
fig. 4, page 20
Brown
12-24VDC (+/-)
12V ± 20%
24V ± 10%
Under normal conditions:
12V, max. 5A depending on load
24V, max. 2.5A depending on load
To extend actuator:
Connect Brown to positive
To retract actuator:
Connect Brown to negative
Blue To extend actuator:
Connect Blue to negative
To retract actuator:
Connect Blue to positive
Red Signal power supply (+)
12-24VDC Current consumption:
Max. 40mA, also when the actuator is
not running
Black Signal power supply GND (-)
Green Endstop signal out Output voltage min. VIN - 2V
Source current max. 100mA
NOT potential free
Yellow Endstop signal in
Violet Single Hall output (PNP)
Movement per single Hall pulse:
LA25030 Actuator = 0.25 mm per pulse
LA25060 Actuator = 0.5 mm per pulse
LA25090 Actuator = 0.75 mm per pulse
LA25120 Actuator = 1.0 mm per pulse
LA25200 Actuator = 1.7 mm per pulse
Frequency:
Frequency is 10-20Hz on Single Hall output
depending on load.
Pulse ON time is minimum 8ms.OFF time
between two ON pulses is minimum 8ms.
Overvoltage on the motor can result in
shorter pulses.
Output voltage min. VIN - 2V
Max. current output: 12mA
Max. 680nF
N.B. For more precise measurements,
please contact
LINAK A/S.
Low frequency with a high load.Higher
frequency with no load.
Diagram of Single Hall:
White Not to be connected
Actuator with endstop signals and relative positioning - Single Hall
I/O specifications:
Fig. 4.1
Micro -
Processor
Input Single Hall output
Hall B
Hall A