Conductix-Wampfler CQF 04/2 + Interface M12 User manual

Operating Instructions
750 W 27 V pickup
CQF 04/2 + Interface M12
BAL9100-0145a-EN
www.conductix.com translated document Page 1 of 40
Order number
91212-332-3124850 F-Pickup 750 W 27 V DC CQF 04/2 Controller IV

Operating Instructions
750 W 27 V pickup
CQF 04/2 + Interface M12
BAL9100-0145a-EN
www.conductix.com translated document Page 2 of 40
Contents
1General notes...................................................................................................................................................................... 5
1.1 Information about these operating instructions......................................................................................................5
1.2 Limitation of liability ...............................................................................................................................................5
1.3 Copyright ...............................................................................................................................................................6
1.4 Replacement parts ................................................................................................................................................6
1.5 Material defects .....................................................................................................................................................6
1.6 Technical support ..................................................................................................................................................6
2Safety instructions............................................................................................................................................................... 7
2.1 Explanation of symbols..........................................................................................................................................7
2.2 Personnel requirements ........................................................................................................................................8
2.2.1 Qualifications .......................................................................................................................................................... 8
2.2.2 Unauthorized personnel ......................................................................................................................................... 8
2.3 Advisory information for the user...........................................................................................................................9
3Intended use .....................................................................................................................................................................
10
4Technical data...................................................................................................................................................................
11
4.1 Electrical data ......................................................................................................................................................11
4.2 Ambient conditions ..............................................................................................................................................12
4.3 Device protection.................................................................................................................................................13
4.4 Mechanical integration.........................................................................................................................................13
4.5 Electrical connections..........................................................................................................................................14
4.5.1 DC power output connection ................................................................................................................................
15
4.5.2 Interface connection .............................................................................................................................................
15
4.5.3 Ground connections .............................................................................................................................................
16
4.5.4 ESD protection .....................................................................................................................................................
16
5Scope of delivery...............................................................................................................................................................
16
6Transport, packaging and storage ....................................................................................................................................
17
6.1 Transport .............................................................................................................................................................17
6.1.1 Safety instructions for transport............................................................................................................................
17
6.1.2 Transport inspection ............................................................................................................................................. 17

Operating Instructions
750 W 27 V pickup
CQF 04/2 + Interface M12
BAL9100-0145a-EN
www.conductix.com translated document Page 3 of 40
6.2 Packaging............................................................................................................................................................17
6.3 Storage of packed parts ......................................................................................................................................18
7Installation.........................................................................................................................................................................
19
7.1 Who is authorized to carry out the installation?...................................................................................................19
7.2 General advice for the installation .......................................................................................................................19
7.3 Electrical standards .............................................................................................................................................19
7.4 Recommendations about the connections ..........................................................................................................20
7.4.1 Connection of the pilot contacts at the interlock output ........................................................................................
20
7.4.2 Example: Use of the interface (recommended!) ...................................................................................................
21
7.4.3 Example: Interface not used.................................................................................................................................
22
7.5 Installation location and conditions......................................................................................................................23
7.5.1 Position.................................................................................................................................................................
23
7.5.2 Required air flow...................................................................................................................................................
23
7.5.3 Proximity to iron/steel (ferromagnetic materials) ..................................................................................................
24
7.5.4 Attachment points.................................................................................................................................................
25
7.5.5 Additional mechanical protection measure...........................................................................................................
25
8Operation ..........................................................................................................................................................................
26
8.1 Start-up................................................................................................................................................................26
8.2 Shut-down ...........................................................................................................................................................26
8.3 Position tolerances ..............................................................................................................................................27
8.4 Parallel operation of several devices...................................................................................................................28
8.5 Tips for operating the interface............................................................................................................................29
8.6 Hiccup mode........................................................................................................................................................29
8.7 Caution during operation .....................................................................................................................................30
9Warnings and cautions......................................................................................................................................................
31
10 Error and diagnosis...........................................................................................................................................................
32
10.1 Basics ..................................................................................................................................................................32
10.2 Normal status ......................................................................................................................................................33
10.3 Signals and their meaning ...................................................................................................................................33
10.4 Reset ...................................................................................................................................................................35
11 Maintenance...................................................................................................................................................................... 36

Operating Instructions
750 W 27 V pickup
CQF 04/2 + Interface M12
BAL9100-0145a-EN
www.conductix.com translated document Page 4 of 40
12 Repair................................................................................................................................................................................
36
13 Disassembly and Re-use ..................................................................................................................................................
37
13.1 Notes on disassembly .........................................................................................................................................37
13.2 Recycling .............................................................................................................................................................37
14 Accessories.......................................................................................................................................................................
38
14.1 Power output .......................................................................................................................................................38
14.2 Interface...............................................................................................................................................................39
15 Required tools...................................................................................................................................................................
40
Note:
The names used in the following document are protected by copyright and are the property of their respective companies. We reserve
the right to make technical changes to the illustrations and specifications in this document in order to improve the energy supply
system and its functions. For system details, please refer to the corresponding documentation. Please take note of the system
documentation during any work on the system or when operating the system.
Reprinting and copies, even in excerpt, is permitted only with our prior approval.
Conductix-Wampfler GmbH 2018

Operating Instructions
750 W 27 V pickup
CQF 04/2 + Interface M12
BAL9100-0145a-EN
www.conductix.com translated document Page 5 of 40
1General notes
1.1 Information about these operating instructions
These operating instructions make it possible for you to work with the device safely and efficiently.
The operating instructions are a part of the device, and must be kept accessible to personnel, in the immediate vicinity of the device,
at all times. Personnel must read these instructions carefully and understand them before starting any work. A basic prerequisite for
safe work is compliance with all safety and operating guidelines in these operating instructions.
Local accident protection regulations and general safety guidelines for the area of use of the device also apply.
Illustrations in this documentation are provided for basic understanding and may deviate from the actual implementation of the unit.
All given values are based on the metric system. Dimensions without a unit of measurement are generally given in millimeters (mm).
Supplementary instructions for specific applications in the installation instructions, e.g. MV9100-0032 or MV9100-0037 for floor
installations and especially the EHB installation instructions must be observed if relevant for installation and operation of the device.
Design, adjustments and commissioning may only be carried out by trained specialist personnel from Conductix-Wampfler.
1.2 Limitation of liability
All data and information in these operating instructions have been compiled while taking the valid standards and regulations as well
as the state-of-the art and our many years of experience and knowledge into consideration.
Conductix-Wampfler accepts no liability for damage resulting from:
Failure to comply with operating instructions
Improper use
Use by untrained personnel
Unauthorized modifications
Technical changes
Use of unauthorized replacement parts or accessories
The actual scope of delivery may differ from the explanations and descriptions provided here if the model in question is a special
one, if additional equipment has been ordered or due to recent technical changes.
The obligations agreed upon in the delivery agreement and our general terms and conditions of business apply, as do the delivery
conditions of Conductix-Wampfler and the legal regulations applicable at the time the contract was concluded.
All products are subject to technical modifications, within the context of improvement of function and further development.

Operating Instructions
750 W 27 V pickup
CQF 04/2 + Interface M12
BAL9100-0145a-EN
www.conductix.com translated document Page 6 of 40
1.3 Copyright
These operating instructions are subject to copyright, and exclusively intended for internal use by the customer.
Provision of the operating instructions to third parties, reproductions in any form – even in part – as well as the reuse and/or disclosure
of their content are not permitted without the written approval of the Conductix-Wampfler, except for the customer's internal use.
Breach or infringement will result in liability for damages. Our right to further claims remains unaffected.
1.4 Replacement parts
WARNING!
Incorrect replacement parts are a safety hazard!
Incorrect or faulty replacement parts can impair safety and result in damage, malfunctions or
complete failure.
→Only use original Conductix-Wampfler replacement parts!
Replacement parts can be ordered an authorized dealer or directly from Conductix-Wampfler.
1.5 Material defects
The terms governing material defects can be found in the General Terms and Conditions of business.
1.6 Technical support
Our customer support staff is available for technical support. See the last page of these operating instructions for
contact information.
We are also always interested in new information, experiences and feedback from the field that can help us improve our products.

Operating Instructions
750 W 27 V pickup
CQF 04/2 + Interface M12
BAL9100-0145a-EN
www.conductix.com translated document Page 7 of 40
2Safety instructions
2.1 Explanation of symbols
Safety and hazard information is identified in these operating instructions by symbols. Safety instructions are introduced by signal
words that indicate the degree of the hazard. Always observe safety and hazard instructions, and work carefully to avoid accidents,
bodily injury and damage to property!
DANGER!
… indicates an immediately hazardous situation, which if not avoided, may result in death or
serious injury.
WARNING!
… indicates a possibly hazardous situation, which if not avoided, may result in death or serious injury.
CAUTION!
…indicates a possibly hazardous situation, which if not avoided, may result in moderate or minor injury
and property damage.
NOTE!
Tips and recommendations:
… provide useful tips and recommendations as well as information for efficient and trouble-
free operation.
Special safety notes
The following symbols indicate special risks:
DANGER!
This combination of symbol and signal word indicates an imminently dangerous situation due to
electrical current and/or electrical voltage. Failure to observe any such notice will result in death or
serious injury.
WARNING!
This sign draws the attention to parts of the operating instructions, where special care must be taken
on account of heating of surfaces or on account of inductive heating of ferromagnetic material and
where other special measures have to be taken.

Operating Instructions
750 W 27 V pickup
CQF 04/2 + Interface M12
BAL9100-0145a-EN
www.conductix.com translated document Page 8 of 40
2.2 Personnel requirements
2.2.1 Qualifications
WARNING!
Inadequately trained persons are at risk of injury!
Improper use can result in serious injury to persons and property.
→All installation and disassembly work has to be carried out by qualified personnel (IEC 364
respectively ENELEC HD 384 or DIN VDE 0100 and IEC 664 or DIN VDE 0110 and national
safety rules).
The following qualifications are mentioned in this operating instructions for different areas of operation:
Adjustments
Design, adjustments and commissioning may only be carried out by trained specialist personnel from Conductix-Wampfler.
Trained personnel/operators
have been instructed in an instruction session by the operator with respect to the tasks assigned to them and the potential
dangers arising from improper actions.
Specialist personnel
consists of persons capable of performing assigned tasks and independently identifying and avoiding potential hazards based
on their specialist training, knowledge and experience as well as their understanding of the applicable regulations.
Only persons who can be expected to perform their work reliably are acceptable personnel. Persons whose responsiveness is
influenced by drugs, alcohol, or medications, for example, are not permitted.
When selecting personnel, all age- and occupation-specific regulations applicable at the place of use must be observed.
2.2.2 Unauthorized personnel
WARNING!
Danger due to unauthorized personnel!
Unauthorized persons who do not meet the requirements described here are not acquainted with
the dangers in the working area.
→Keep unauthorized persons away from the working area.
→In case of doubt, address the person and direct them away from the working area.
→Stop working as long as unauthorized persons are in the working area.

Operating Instructions
750 W 27 V pickup
CQF 04/2 + Interface M12
BAL9100-0145a-EN
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2.3 Advisory information for the user
DANGER!
Electric shock and/or burns as well as other damages may occur due to improper use!
This device contains life-threatening voltages.
→There are no user-serviceable parts in the device.
→Do not open and do not insert any objects inside.
→Do not manipulate the plug connections!
WARNING!
Inadequately trained persons are at risk of injury!
Improper use can result in serious injury to persons and property.
→All installation and commissioning as well as maintenance and disassembly has to be carried out by
qualified personnel (IEC 364 respectively ENELEC HD 384 or DIN VDE 0100 and IEC
664 or
DIN VDE 0110 and national safety rules).
Qualified staff, according to the safety regulations, are persons that are familiar with the installation, assembly, commissioning and
operation of the energy supply system and that have the appropriate qualifications.
These operating instructions contain only information on the specified pickup. Observe all data and instructions given in this
document. Ensure that the device is operated under the specified conditions only.
NOTE!
Do not operate the device unless it is ensured that the machine/system in which it is integrated complies
with the relevant standards and regulations.
Conductix-Wampfler cannot be responsible for damage and breakdown that have been caused by not
observing these operating instructions.
We reserve the right to make technical changes to the illustrations and information in these operating
instructions. References to other IPT® documents refer to the document number and do not include the
currently valid revision index. Refer to the project handbook when available for a list of
relevant documents.

Operating Instructions
750 W 27 V pickup
CQF 04/2 + Interface M12
BAL9100-0145a-EN
www.conductix.com translated document Page 10 of 40
3Intended use
The device is intended for operation in conjunction with other IPT®(Inductive Power Transfer) components intended for contactless
transmission of electrical energy. A pickup generates a DC voltage from an AC-generated magnetic field of an IPT® primary track.
The device is not suitable for stand-alone operation and must be used in conjunction with the appropriate IPT®components. The
device may only be used in conjunction with IPT®input components manufactured by Conductix-Wampfler GmbH.
Only qualified personnel may operate this equipment. Repairs must be made exclusively by Conductix-Wampfler employees.
WARNING!
Hazard due to improper use!
Any application that deviates from or goes beyond the intended use of the devices can result in
hazardous situations.
→The device may only be used as intended.
→Follow all information in these operating instructions strictly.
→The following uses of the device are forbidden.
Non-intended use particularly includes the following:
→Using the device with unapproved accessories not authorized by the Conductix-Wampfler.
→Operation of the device by untrained personnel
→Operation of the device outdoors.
→Operation of the device in areas at risk for explosions
→Operation of the device outside of the specifications
→Operation of damaged components
→Misuse of the device e.g. as a climbing aid
→Use of the device without additional measures to charge batteries or other energy storage devices (The
device is not a charger and therefore has no corresponding sensors, protective measures and charging
algorithms!)
We do not accept any liability for damage arising from improper use. The operator bears sole liability for all damage that result from
improper use.

Operating Instructions
750 W 27 V pickup
CQF 04/2 + Interface M12
BAL9100-0145a-EN
www.conductix.com translated document Page 11 of 40
4Technical data
NOTE!
The data given in this chapter is valid only if the environmental conditions (nominal position, ambient
temperature, etc.) are complied with.
For example, deviations in the environmental conditions of the IPT®tracks, such as nominal position and
ambient temperature at the pickup, may lead to a reduction in output peak and continuous output power
or other variations. As a rule, an attempt should be made to guide the device to the nominal position with
a tolerance of ±20 mm and, if possible, not to swing the device too far out of the area of the field around
the track cables.
4.1 Electrical data
Input IPT®track: 125 A 20 kHz, conductor distance 100 mm
Output voltage 27 V DC ± 7%
Maximum output current 27.8 A DC
Output peak power 750 W 40% ED*
Output continuous power 450 W @ min. 24V DC
(IPT®track: 125 A) - at 20°C ambient temperature
-averaged over a period of 10 minutes
-with an air flow of min. 0.1 m/s in nominal position
300 W @ min. 24V DC
-at 40°C ambient temperature
-averaged over a period of 10 minutes
-with an air flow of min. 0.1 m/s in nominal position
Power loss <50 W at full load
Electrical protection Class II (reinforced insulation)
Insulation to ground Output to ground tested at 3.7 kV DC/10 sec.
EN 50178
Max. current isolated 24 V 150 mA (not suitable for external users)
Supply (interface connector)
Standby consumption approx. 10 W (switched on) or approx. 5 W (switched off)
(without load)
*max. 4 minutes (see chapter 7.4 and 8.3)

Operating Instructions
750 W 27 V pickup
CQF 04/2 + Interface M12
BAL9100-0145a-EN
www.conductix.com translated document Page 12 of 40
4.2 Ambient conditions
Storage temperature -25°C to +55°C
EN 60721 | Class 7K3
EN 60721 | Class 7K3
Transport temperature -25°C to +70°C
EN 60068-2-1 | Class 7K3
EN 60068-2-2 | Class 7K3
Ambient temperature operation +5°C to +40°C
IEC 60068-2-1; IEC 60068-2-2
Air temperature as measured in immediate vicinity of working device.
Please note that the heat loss of the pickup will raise the ambient temperature, especially in
enclosed mounting spaces.
Operation For indoor operation only.
The use in explosion-prone areas or in areas where the pickup is exposed to harmful oils,
acids, vapors, dust, gases, radiation, humidity, etc. is explicitly forbidden.
Humidity < 85%, non-condensing
EN 60068-2-78
Vibration IEC 60068-2-64; IEC 60068-2-6; IEC 60068-2-27
EN 60721-3-7 | Class 7M1
Chemical resistance For industrial use without special conditions.
Any specific influences of chemicals must be checked.
Protection IP20 / IP54 (with plug connected)
EMC The device is intended for use in industrial environments.
EN 55011 | Class A
EN 61000-6-2
EN 61000-6-4
Installation height Up to 1000 m. Above this height, only a reduced output power is available.
Transport EN 60721-3-2 | Class 2M2
EMF < 6.25 µT
EN 50413:2008

Operating Instructions
750 W 27 V pickup
CQF 04/2 + Interface M12
BAL9100-0145a-EN
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4.3 Device protection
The device is equipped with the following functions which protect the device:
Overload Automatic shutdown at an output voltage > 32 V DC.
Output protected up to 100 V (protection against reverse polarity)
Interlock DC output Automatic switch-off with unplugged plug
Overload/undervoltage Hiccup mode, see chapter 8.6
Energy recovery Protected up to 50 V against energy recovery.
Excessive temperature Automatic shutdown by internal temperature monitoring.
e.g. by exceeding the permissible ambient temperature and/or the maximum permissible
output power
4.4 Mechanical integration
Dimensions See drawings
Weight approx. 10.2 kg (without connecting cables)
Surface temperature Heat sink surface temperature max. 70°C, depending on operating status
Nominal air gap All given data refer to a nominal air gap of 10 mm between the lower edge of the pickup and
the ground surface.
Observing the installation instructions MV9100-0032 and MV9100-0037 for floor installation,
this results in an effective distance of 15 to 16 mm between the lower edge of the pickup and
the upper edge of the track line. Please refer to 8.3 regarding further relevant tolerances.

Operating Instructions
750 W 27 V pickup
CQF 04/2 + Interface M12
BAL9100-0145a-EN
www.conductix.com translated document Page 14 of 40
4.5 Electrical connections
DC power output CQF 04/2 (ILME) or comparable
Interface DC power output
Order connecting cable separately; see
chapter 15

Operating Instructions
750 W 27 V pickup
CQF 04/2 + Interface M12
BAL9100-0145a-EN
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4.5.1 DC power output connection
(Shown: socket side at the pickup)
Source: Harting
PIN 1 + 27 V DC
PIN 2 + 27 V DC
PIN 3 0 V
PIN 4 0 V
PIN 5 Ground
PIN11 pilot contact 1
PIN12 pilot contact 2
NOTE!
Make sure that all output lines are dimensioned according to the maximum output current. The output
leads must have sufficiently large cross-sections to keep the voltage drops on the leads as small as
possible.
The device is connected to the load using all four outputs, two positive and two negative. The cable lengths of the connecting cables
of the same polarity must be within 2% of their total length so that the current is divided equally.
4.5.2 Interface connection
(shown: socket side)
PIN 1 24 V DC isolated
PIN 2 0 V DC isolated
(150 mA max. No external supply: see section 8.1)
PIN 3 COM
(Together for the 3 output relays “Warning,” “Error” and “Status”)
PIN 4 Release
(Must be connected for starting up the pickup! See section 8.1)
PIN 5 Warning
PIN 6 Error
PIN 7 Status
(Relay with potential-free contacts, for 30 V DC/5 A max.)
PIN 8 Ground

Operating Instructions
750 W 27 V pickup
CQF 04/2 + Interface M12
BAL9100-0145a-EN
www.conductix.com translated document Page 16 of 40
4.5.3 Ground connections
DANGER!
Risk of electric shock!
Any electrical equipment on the vehicle must be at a common potential (e.g. the vehicle frame). All
ground connections must therefore be connected.
→Make sure that the heat sink is also grounded in a corresponding manner.
→Do not rely on the connecting cables alone, as the pickup will not be de-energized and without voltage
even without connecting cables, as long as the primary side of the IP®system is active.
4.5.4 ESD protection
DANGER!
Risk of electric shock!
Because IPT®is an isolated system, depending on the vehicle design, ambient conditions, etc., charges
can build up on the vehicle and be stored there.
→Make sure to provide an appropriate solution to dissipate this energy above ground on the system side
(e.g. conductive floor coating and discharge brushes, conductive rollers or similar) to avoid building up
such energy in order to ensure protection against the effects of electrostatic discharge.
5Scope of delivery
Cables and plugs are not part of the scope of delivery. Additional information can be found in chapter 14.

Operating Instructions
750 W 27 V pickup
CQF 04/2 + Interface M12
BAL9100-0145a-EN
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6Transport, packaging and storage
6.1 Transport
6.1.1 Safety instructions for transport
CAUTION!
Possible damage from improper transport!
Improper transport can result in substantial property damage.
→Unload packaged parts upon delivery and during internal transport with care, and observe the
symbols and the hazard information on the packaging.
→Only remove packaging just before installation.
→The handling of the device must be carried out within the approved parameters (see chapter 4.2).
→The devices must always be shipped and transported in suitable packaging.
6.1.2 Transport inspection
Check the delivery for completeness and transport damage immediately on receipt.
If transport damage is externally visible, proceed as follows:
Do not accept delivery, or accept it only with reservations.
Note the scope of damage on the transport documents, or on the transporter’s delivery note.
File a complaint.
NOTE!
File a complaint on every defect as soon as it is detected. Damage compensation claims may only be
made within the applicable claim periods.
6.2 Packaging
The individual packages are packed and marked according to the expected transport conditions for truck transport (closed). If
deviating transport is to be used or special packaging and labeling regulations are to be observed, these must be communicated to
us in advance.
The packaging is designed to protect the individual components from transport damage, corrosion and other harm until installation.
As a result, do not destroy the packaging; remove it only shortly before installation. For subsequent transport or return, it must be
ensured that at least equivalent packaging is used and the packing unit is marked as required.

Operating Instructions
750 W 27 V pickup
CQF 04/2 + Interface M12
BAL9100-0145a-EN
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Handling packaging materials:
Dispose of packaging material according to applicable legal regulations and local guidelines.
CAUTION!
Environmental damage due to improper disposal!
Packaging materials are valuable resources and can be reused or usefully processed or recycled in
many cases.
→Dispose of packaging materials in an environmentally appropriate manner.
→Comply with locally applicable disposal guidelines; if necessary, engage a specialist company to
handle the disposal.
6.3 Storage of packed parts
Store packed parts under the following conditions:
Do not store outdoors.
Store in a dry, dust-free place.
Do not expose to aggressive media.
Protect from direct sunlight.
Avoid mechanical vibrations.
Storage temperature: -20°C to +60°C.
For longer storage, check the proper condition before use.
CAUTION!
If the storage temperature or ambient temperature at below 10°C or if the storage or ambient
temperature deviates by more than +/-15°C from the operating temperature, the device must be left de-
energized and switched off for at least 12 hours at operating temperature. We generally recommend a
12-hour rest period in the de-energized and off state at operating temperature prior to installation and
commissioning. Ideally, installation and commissioning should be carried out in the temperature range
of 10°C to 30°C.

Operating Instructions
750 W 27 V pickup
CQF 04/2 + Interface M12
BAL9100-0145a-EN
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7Installation
7.1 Who is authorized to carry out the installation?
WARNING!
Inadequately trained persons are at risk of injury!
Improper use can result in serious injury to persons and property.
→All installation and commissioning as well as maintenance and disassembly has to be carried out by
qualified personnel (IEC 364 respectively ENELEC HD 384 or DIN VDE 0100 and IEC
664 or
DIN VDE 0110 and national safety rules).
Qualified personnel, according to the safety regulations, are persons that are familiar with the installation, assembly, commissioning
and operation of the energy supply system and that have the appropriate qualifications.
7.2 General advice for the installation
WARNING!
Injury due to improper installation and initial commissioning!
Improper installation and commissioning can result in serious personal injury and/or material damage.
→Unpack components after they are received or before starting the installation.
→Carefully check the components for any transport or storage damage (damaged packaging, damage
to housings and insulation, missing parts, etc.).
→
Check the specifications on the nameplates and make sure that the respective components
correspond to the desired application in rated power and voltage.
→Check completeness of the documents and conformity with the delivered components.
→Mount the device on a level area.
→Make sure that permanent secure attachment is possible.
NOTE!
Incorrect or faulty installation can have a negative impact on the function, efficiency and life of the
device. Therefore, strictly follow all instructions for installation in this document. Failure to observe these
points may void the warranty.
Follow the instructions in chapter 7.4when you attach the pickup to a receiver. Note chapter 4.5.3 “Ground connections”.
7.3 Electrical standards
NOTE!
The general connection conditions of VDE0100 apply (installation and operation of electrical systems up
to 1000 V). If necessary observe the local regulations when they go beyond or differ from these
requirements.

Operating Instructions
750 W 27 V pickup
CQF 04/2 + Interface M12
BAL9100-0145a-EN
www.conductix.com translated document Page 20 of 40
7.4 Recommendations about the connections
7.4.1 Connection of the pilot contacts at the interlock output
On the socket side (device side), two shortened contacts are installed as pilot contacts to generate a signal. The interruption of this
connection signals the device to shut down before the main contacts are pulled out. In this way, the emergence of DC arcs is avoided
when pulling out the plug under load (see also chapter 4.3).
If the pilot contacts in the connector half are bridged on the device side, the device cannot detect if the connection cable on the load
side is unplugged or interrupted. In this case, protection against DC arcs is not possible. The pickup output is also not de-energized
(locking) when the connection line to the load is interrupted. This can lead to unsafe operating conditions.
In order to get the full benefit of the pilot contact function, we recommend always making the bridge circuit on the load side. This
ensures that the device goes into a safe state, no matter at which point the connection between the load and the device is interrupted.
Please note the examples given below.