Leuze electronic MSI-MD-FBX Original Operating Instructions

MSI-MD-FBX

Muting Controller

EN 2017/03 - 50136367

We reserve the right to

make technical changes

S A F E I M P L E M E N T A T I O N A N D O P E R A T I O N

O r i g i n a l o p e r a t i n g i n s t r u c t i o n s

© 2017
Leuze electronic GmbH & Co. KG
In der Braike 1
D-73277 Owen / Germany
Phone: [phone]
Fax: [phone]
http://www.leuze.com
[e-mail]

Leuze electronic MSI-MD-FBX 2

Table of contents

Table of contents

1 About this document ............................................................................................5

1.1 Checklists................................................................................................................................ 5

1.2 Downloading the diagnostics software from the Internet ........................................................ 5

1.3 Used symbols and signal words .............................................................................................5

2 Safety .....................................................................................................................7

2.1 Intended use and foreseeable misuse.................................................................................... 7

2.1.1 Intended use........................................................................................................................ 7

2.1.2 Foreseeable misuse ............................................................................................................8

2.2 Necessary competencies........................................................................................................ 8

2.3 Responsibility for safety.......................................................................................................... 9

2.4 Disclaimer ............................................................................................................................... 9

3 Device description ..............................................................................................10

3.1 Device construction .............................................................................................................. 11

3.2 Display elements .................................................................................................................. 12

3.3 Connection technology .........................................................................................................13

4 Functions.............................................................................................................14

4.1 Timing controlled 2-sensor muting........................................................................................ 14

4.1.1 Timing controlled 2-sensor muting with Muting-enable .....................................................15

4.2 Overriding and muting restart ...............................................................................................15

4.3 Error reset............................................................................................................................. 16

4.4 Restart ..................................................................................................................................17

4.5 Acknowledging/resetting....................................................................................................... 17

5 Applications ........................................................................................................18

5.1 Access guarding with timing controlled muting..................................................................... 18

6 Mounting..............................................................................................................19

6.1 Mounting the muting controller ............................................................................................. 19

6.1.1 Mounting in the UDC device column .................................................................................19

6.1.2 Mounting on the UDC device column................................................................................20

6.1.3 Mounting on the system ....................................................................................................20

6.2 Arrangement of the muting sensors...................................................................................... 20

6.2.1 Basic information...............................................................................................................21

6.2.2 Selecting optoelectronic muting sensors...........................................................................21

6.2.3 Minimum distance for optoelectronic muting sensors .......................................................21

6.2.4 Arrangement of the muting sensors for timing controlled 2-sensor muting .......................22

7 Electrical connection..........................................................................................25

7.1 Connecting the muting controller .......................................................................................... 25

7.2 Pin assignment of the machine interface.............................................................................. 27

7.3 Pin assignment of safety sensor........................................................................................... 27

7.4 Pin assignment of the acknowledgment unit ........................................................................ 28

7.5 Pin assignment of muting indicator....................................................................................... 28

7.6 Pin assignment of muting sensors........................................................................................ 29

7.7 Circuit diagram examples .....................................................................................................29

7.7.1 Timing controlled 2-sensor muting ....................................................................................29

Leuze electronic MSI-MD-FBX 3

Table of contents

8 Starting up the device - Configuration..............................................................30

8.1 Overview............................................................................................................................... 30

8.2 Setting the operating mode................................................................................................... 31

9 Testing .................................................................................................................33

9.1 Before the initial start-up and following modifications........................................................... 33

9.2 Regularly by qualified persons.............................................................................................. 33

9.3 Periodically by the operator ..................................................................................................34

9.3.1 Checklist – periodically by the operator............................................................................. 34

10 Care, maintenance and disposal .......................................................................35

11 Diagnostics and troubleshooting ......................................................................36

11.1 What to do in case of failure? ...............................................................................................36

11.2 Error messages 7-segment display ......................................................................................36

12 Service and support ...........................................................................................40

13 Technical data .....................................................................................................41

13.1 General specifications .......................................................................................................... 41

13.2 Dimensioned drawings ......................................................................................................... 43

13.3 Dimensioned drawings - Accessories................................................................................... 43

14 Order guide and accessories.............................................................................45

14.1 Type overview....................................................................................................................... 45

14.2 Accessories........................................................................................................................... 45

15 EC Declaration of Conformity ............................................................................47

Leuze electronic MSI-MD-FBX 4

1 About this document

1.1 Checklists

The checklists (see chapter 9 "Testing") serve as a reference for the machine manufacturer or supplier.
They replace neither testing of the complete machine or system prior to the initial start-up nor their periodic
testing by a competent person. The checklists contain minimum testing requirements. Depending on the
application, other tests may be necessary.

1.2 Downloading the diagnostics software from the Internet

Ä Call up the Leuze home page: www.leuze.com
Ä Enter the type designation or part number of the device as the search term.
Ä The diagnostics software can be found on the product page for the device under the Downloads tab.

1.3 Used symbols and signal words

Tab.1.1: Warning symbols and signal words

Symbol indicating dangers to persons

About this document

Symbol indicating possible property damage

NOTE Signal word for property damage

Indicates dangers that may result in property damage if the measures for dan­ger avoidance are not followed.

CAUTION Signal word for minor injuries

Indicates dangers that may result in minor injury if the measures for danger
avoidance are not followed.

WARNING Signal word for serious injury

Indicates dangers that may result in severe or fatal injury if the measures for
danger avoidance are not followed.

DANGER Signal word for life-threatening danger

Indicates dangers with which serious or fatal injury is imminent if the measures
for danger avoidance are not followed.

Tab.1.2: Other symbols

Symbol for tips

Text passages with this symbol provide you with further information.

Symbol for action steps

Text passages with this symbol instruct you to perform actions.

Symbol for action results

Text passages with this symbol describe the result of the preceding action.

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About this document

Tab.1.3: Terms and abbreviations

AOPD Active Optoelectronic Protective Device

(Active Optoelectronic Protective Device)

Blanking Deactivation of the protective function of individual beams or beam areas with

monitoring for interruption

CS Switching signal from a control or a machine interface

(Controller Signal)

EDM Contactor monitoring

(External Device Monitoring)

FG Function group

(Function Group)

LED LED, display element in transmitter and receiver

MS1, MS2 Muting sensor1,2

MTTF

d

Mean time to dangerous failure

(Mean Time To dangerous Failure)

Muting Temporary automatic suppression of the safety functions

OSSD Safety-related switching output

(Output Signal Switching Device)

PFH

d

Probability of a dangerous failure per hour

(Probability of dangerous Failure per Hour)

PL Performance Level

Reduced resolution Reduction of the detection capability of the protective field without monitoring

for tolerating small objects in the protective field

RES Start/restart interlock

(Start/REStart interlock)

Scan Consecutive scans of the protective field from the first to the last beam

Safety sensor System consisting of transmitter and receiver

SIL Safety Integrity Level

State ON: device intact, OSSD switched on

OFF: device intact, OSSD switched off

Locking: device, connection or control / operation faulty, OSSD switched off
(lock-out)

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2 Safety

For mounting, operating and testing, this document as well as all applicable national and international stan­dards, regulations, rules and directives must be observed. Relevant and supplied documents must be ob­served, printed out and handed to affected persons.

Ä Before working with the safety relay, completely read and understand the documents applicable to your

task.

In particular, the following national and international legal regulations apply for the start-up, technical in­spections and work with safety relays:

• Machinery directive 2006/42/EC

• Low voltage directive 2014/35/EU

• EMC directive 2014/30/EU

• Use of work equipment directive 89/655/EEC supplemented by directive 95/63EC

• OSHA 1910 Subpart O

• Safety regulations

• Accident-prevention regulations and safety rules

• Ordinance on Industrial Safety and Health and employment protection act

• Product Safety Law (ProdSG and 9. ProdSV)

Safety

NOTICE

For safety-related information you may also contact local authorities (e.g., industrial inspec­torate, employer's liability insurance association, labor inspectorate, occupational safety and
health authority).

2.1 Intended use and foreseeable misuse

DANGER

Electrically live systems pose a risk of electric shock!

Ä Make certain that, during all conversions, maintenance work and inspections, the system is

securely shut down and protected against being restarted.

Ä Only have work on the electrical system and electronics performed by a competent person

(see chapter 2.2 "Necessary competencies").

2.1.1 Intended use

WARNING

A running machine may result in serious injury!

Ä Make certain that the safety relay is correctly connected and that the protective function of

the protective device is ensured.

Ä Make certain that, during all conversions, maintenance work and inspections, the system is

securely shut down and protected against being restarted.

Only if the safety relay is correctly connected and correctly started up is the protective function of the pro­tective device ensured. To prevent misuse and resulting dangers, the following must be observed:

• These operating instructions are included in the documentation of the system on which the protective
device is mounted and are available to the operating personnel at all times.

• The safety relay is used as a safety monitoring device in combination with one or more safety sensors
for safeguarding danger zones or points of operation on machines and systems.

• The safety relay may only be used after it has been selected in accordance with the respectively appli­cable instructions and relevant standards, rules and regulations regarding labor protection and safety at
work, and after it has been installed on the machine, connected, commissioned, and checked by a
competent person (see chapter 2.2 "Necessary competencies").

• The safety relay must only be connected and commissioned in accordance with its specifications (tech­nical data, environmental conditions, etc.).

Leuze electronic MSI-MD-FBX 7

• The acknowledgment unit for unlocking the start/restart interlock must be located outside of the danger
zone.

• The entire danger zone must be visible from the installation site of the acknowledgment unit.

• When selecting the safety relay it must be ensured that its safety-related capability meets or exceeds
the required performance level PLr ascertained in the risk assessment (see chapter 13 "Technical
data").

• The machine or system control must be electrically influenceable so that a switch command sent by the
safety relay results in the immediate shutdown of the dangerous movement.

• The construction of the safety relay must not be altered. When manipulating the safety relay, the pro­tective function is no longer guaranteed. Manipulating the safety relay also voids all warranty claims
against the manufacturer of the safety relay.

• The safety relay must be inspected regularly by a competent person to ensure proper integration and
mounting (see chapter 2.2 "Necessary competencies").

• The safety relay must be exchanged after a maximum of 20years. Repairs or the exchange of wear
parts do not extend the mission time.

2.1.2 Foreseeable misuse

Any use other than that defined under the “Approved purpose” or which goes beyond that use is consid­ered improper use.

Alone, the safety relay is not a complete protective device. It is not suitable for use in the following cases:

• Applications in explosive or easily flammable atmospheres

• On machines or systems with long stopping times

Safety

2.2 Necessary competencies

The safety relay may only be configured, installed, connected, commissioned, serviced and tested in its re­spective application by persons who are suitably qualified for the given task. General prerequisites for suit­ably qualified persons:

• They have a suitable technical education.

• They are familiar with the relevant parts of the operating instructions for the safety relay and the operat­ing instructions for the machine.

Task-specific minimum requirements for suitably qualified persons:

Configuration

Specialist knowledge and experience in the selection and use of protective devices on machines as well as
the application of technical rules and the locally valid regulations on labor protection, safety at work and
safety technology.

Mounting

Specialist knowledge and experience needed for the safe and correct installation and alignment of the
safety relay with regard to the respective machine.

Electrical installation

Specialist knowledge and experience needed for the safe and correct electrical connection as well as safe
integration of the safety relay in the safety-related control system.

Operation and maintenance

Specialist knowledge and experience needed for the regular inspection and cleaning of the safety relay –
following instruction by the person responsible.

Servicing

Specialist knowledge and experience in the mounting, electrical installation and the operation and mainte­nance of the safety relay in accordance with the requirements listed above.

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Commissioning and testing

• Experience and specialist knowledge in the rules and regulations of labor protection, safety at work and
safety technology that are necessary for being able to assess the safety of the machine and the use of
the safety relay, including experience with and knowledge of the measuring equipment necessary for
performing this work.

• In addition, a task related to the subject matter is performed in a timely manner and knowledge is kept
up to date through continuous further training ‑ Competent person in terms of the German Betrieb­ssicherheitsverordnung (Ordinance on Industrial Safety and Health) or other national legal regulations.

2.3 Responsibility for safety

Manufacturer and operating company must ensure that the machine and implemented safety relay function
properly and that all affected persons are adequately informed and trained.

The type and content of all imparted information must not lead to unsafe actions by users.

The manufacturer of the machine is responsible for:

• Safe machine construction

• Safe implementation of the safety relay, verified by the initial test performed by a competent person
(see chapter 2.2 "Necessary competencies")

• Imparting all relevant information to the operating company

• Adhering to all regulations and directives for the safe commissioning of the machine

The operator of the machine is responsible for:

• Instructing the operator

• Maintaining the safe operation of the machine

• Adhering to all regulations and directives for labor protection and safety at work

• Periodic testing by a competent person (see chapter 2.2 "Necessary competencies")

Safety

2.4 Disclaimer

LeuzeelectronicGmbH+Co.KG is not liable in the following cases:

• Safety relay is not used as intended.

• Safety notices are not adhered to.

• Reasonably foreseeable misuse is not taken into account.

• Mounting and electrical connection are not properly performed.

• Proper function is not tested (see chapter 9 "Testing").

• Changes (e.g., constructional) are made to the safety relay.

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3 Device description

The MSI-MD-FB muting controller is used as a safety-relevant link between an active opto-electronic pro­tective device (AOPD) and the machine control. The muting controller enables muting through intentional
and temporary suppression of the protective function of the safety sensor, e.g., if objects are to be trans­ported through the protective field.

The muting controller is mounted on machine parts or on a device column.

Safety sensors and muting sensors

The muting controller supplies the safety sensor and the muting sensors with 24V supply voltage.

The following safety sensors from Leuze electronic are released for connection to the muting controller:

• Safety light barriers of the MLD series

• Safety light curtains of the MLC series

NOTICE

The MSI-MD-FB muting controller is only released for the connection of the safety sensors from
Leuze electronic, e.g., MLC510 or MLD510.

The following muting sensors from Leuze electronic are released for connection to the muting controller:

• All common series: 3 series, 5 series, 8 series, 25 series, 46 series, 49 series, 96 series

Device description

Degree of protection and standards

The muting controller is designed in degree of protection IP67

The muting controller meets the following standards:

• Performance Level PLe in accordance with ENISO13849

• Safety Integrity Level SIL3 in accordance with IEC61508

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3.1 Device construction

2

4

5

7

8

6

3

1

Device description

1 Mounting eyes for M4 screws

2 Cover for the DIP switch blocks for configuring the muting function and the Micro USB connection for reading

out diagnostics.

3 7‑segment display

4 Connection for the safety sensor

5 Connection for acknowledgment unit

6 Connections for muting sensors

7 Connection for external muting indicator

8 Connection to the machine interface (OSSDs and supply voltage)

Fig.3.1: Device construction of the muting controller

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3.2 Display elements

1

3

2

7

4

9

11

10

5

8

11

6

The muting controller is equipped with the following display elements:

• LED indicators for the status of the assigned input signals

Device description

1 PWR LED

2 OSSD LED

3 RI LED

4 ERR LED

5 SC LED (1)

6 SC LED (2)

7 LC/LG LED

8 ML LED

9 RES LED (1)

10 RES LED (1)

11 LED MS1…MS4

Leuze electronic MSI-MD-FBX 12

Fig.3.2: LED indicators of the muting controller

LED Color Description

1 PWR Green Power (PWR)

2 OSSD Red OSSDs in the OFF state

Green OSSDs in the ON state

3 RI Yellow Restart active

Safety sensor on

The system is waiting for actuation of the acknowledgment unit

4 ERR Red Fault

5 SC Green Muting sensor alternative active

6 White Muting signal from the machine interface active

7 LC/LG OFF OSSDs of the safety sensor in the OFF state

Green OSSDs of the safety sensor in the ON state

8 ML Blue Muting indicators:

• OFF: no muting active

• Continuous light: muting active; safety sensor is bypassed by
means of muting

• Flashing: muting error; e.g., timeout

Device description

9 RES Yellow Acknowledgment unit pressed (reset signal)

10 Red Ready for reset (ReadyForReset signal)

11 MS1…MS4 Green Muting sensor 1…4 active

3.3 Connection technology

NOTICE

Sockets and connectors that are not connected are to be covered with end caps!

Ä Cover unconnected sockets and connectors with end caps.

The system is waiting for actuation of the acknowledgment unit

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4 Functions

MS2

MS1

1

2

3

By means of muting, the protective function of the safety sensor can be temporarily and properly sup­pressed, e.g. if objects are to be transported through the protective field. The OSSDs of the muting con­troller remain in the ON state in spite of interruption of one or more beams of the safety sensor.

Muting mode

The muting controller supports the following muting mode:

• Timing controlled 2-sensor muting (see chapter 4.1 "Timing controlled 2-sensor muting")

Muting timeout

Configurable time limit for the muting function (muting timeout):

• 20seconds

• 2minutes

• 10minutes

• 100hours

Muting timeout is set via the DIP switch blocks (see chapter 8 "Starting up the device - Configuration").

Muting sensors

Muting is initiated automatically and via mutually independent muting signals by muting sensors.

• Photoelectric sensors or scanning sensors can be connected to the muting controller as muting sen­sors (see chapter 14 "Order guide and accessories").

• The state of a muting sensor is transferred on pin4 of the connection on the muting controller.

• The muting signals of the muting sensors are debounced:

• Pickup delay: 60ms

• Slow release: 300ms

Functions

NOTICE

Do not use muting signal MS1 via machine interface and local socket simultaneously!

Ä If muting signal MS1 is used via the machine interface, MS1 must not be used simultane-

ously on the local socket.

4.1 Timing controlled 2-sensor muting

Muting is initiated automatically and via two mutually independent muting signals. These signals must be
active during the entire duration of the muting operation. Muting may not be initiated by a single sensor sig­nal, nor may it be fully initiated by software signals.

The protective function of the entire protective field is deactivated during timing controlled muting.

1 Danger zone

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2 Receiver of the safety sensor

3 Transmitter of the safety sensor

MS1 Muting sensor1

MS2 Muting sensor2

Fig.4.1: Arrangement of muting sensors for timing controlled 2-sensor muting in an exit application

Functions

MS1

MS2

< 4s

< 0,3 s

MUTE

OSSD

PFF

< 4s

> 4s

MS1 Muting signal1

MS2 Muting signal2

PFF Protective field free

MUTE Bridging through muting

OSSD OSSD status

Fig.4.2: Timing controlled muting - timing

The material can move in both directions. Often, an arrangement consisting of crossed beams from retro­reflective photoelectric sensors is used (see chapter 6.2 "Arrangement of the muting sensors").

Timing controlled muting is used in the following cases:

• Moving-in applications: diffuse sensors in the danger zone detect the muting object through the protec­tive field. The scanning range must be set to a sufficiently small value (see chapter 6 "Mounting").

• Exit applications: a photoelectric sensor in the danger zone works diagonally to the transport direction
together with a simultaneously activated machine interface signal, which derives from the drive of the
transport equipment, for instance (see chapter 6 "Mounting").

DANGER

Risk of death if installation is not performed correctly!

Ä Follow the instructions for the correct arrangement of the muting sensors (see chapter 6.2

"Arrangement of the muting sensors").

4.1.1 Timing controlled 2-sensor muting with Muting-enable

With the muting enable function, muting is enabled or disabled via an external muting enable signal. The
muting enable function is activated and deactivated via the DIP switch blocks (Starting up the device - Con­figuration).

• If the muting enable signal is applied, a valid muting sequence initiates muting.

The muting enable signal must be applied at least 60ms before muting is initiated.

The muting enable signal must not be applied for more than 100hours.

• If the muting enable signal is not applied, no muting is possible, even with a valid muting sequence.

4.2 Overriding and muting restart

Following malfunctions or operationally related interruptions (e.g. power failure, violation of the simultaneity
condition during timing controlled 2-sensor muting on activation of the muting sensors), the system can be
manually reset with the acknowledgment unit and overridden.

• Muting override must only be initiated if at least one muting sensor is activated and the OSSDs of the
muting controller are switched off.

• Muting override is maintained only if at least one muting sensor is activated.

• The muting controller switches on its OSSDs when muting override is activated.

• For muting override or muting restart, the maximum muting timeout time is 10minutes.

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WARNING

Unauthorized muting restart may result in serious injury!

Ä A qualified person (see chapter 2.2 "Necessary competencies") must observe the procedure

exactly.

Ä Make certain that the danger zone can be viewed from the acknowledgment unit and that

the entire process can be observed by the responsible person.

Ä Before and during the muting restart, ensure that there are no people in the danger zone.

NOTICE

If the safety sensor or the muting controller responds with an error message, perform an error
reset (see chapter 4.3 "Error reset").

Ä Press and release the acknowledgment unit within 0.2 to 4s.
Ä Press the acknowledgment unit again and keep the acknowledgment unit pressed down.
ð The muting controller switches on.

Both muting signals are activated:

The muting controller switches to muting mode.

Functions

A muting signal is activated:

Muting is initiated when the acknowledgment unit is released. The second muting signal must be activated
within a maximum of 4s in order to continue muting. If the second muting signal is not activated within this
time, muting is ended.

No muting signal is activated:

Muting is ended immediately even if the acknowledgment unit is not released.

Muting controller with muting enable; a muting signal is activated:

Muting is initiated when the acknowledgment unit is released. The second muting signal must be activated
within a maximum of 4s in order to continue muting. If the second muting signal is not activated within this
time, muting is ended.

Muting controller with muting enable; without extension of the muting timeout:

Overriding is only possible with acknowledgment unit permanently pressed down.

4.3 Error reset

If an internal or external error is detected by the safety sensor or the muting controller, the muting controller
switches to the interlock state.

To reset the safety circuit to the initial state, reset the muting controller via the reset signal.

• The reset signal can be set via the connected acknowledgment unit or via a component in the machine
interface.

• When overriding, the reset signal may only come from one source, i.e., either from the connection
socket of the acknowledgment unit or from the RES signal of the machine interface.

• Duration of the reset signal: 0.2s to 4s

Manual error reset

Reset signal via the connected acknowledgment unit

Ä Press and release the acknowledgment unit within 0.2 to 4s.

Leuze electronic MSI-MD-FBX 16

4.4 Restart

Following a violation of the protective field, the OSSDs are re-enabled via the reset signal.

• The restart can be started manually via the connected acknowledgment unit or via a component in the
control (Starting up the device - Configuration).

• The reset signal can be set via the connected acknowledgment unit or via a component in the machine
interface.

• Duration of the reset signal: 0.2s to 4s

4.5 Acknowledging/resetting

The ReadyForReset signal signals via the RES LED that the system is waiting for actuation of the acknowl­edgment unit/reset button.

• The RES LED illuminates red if the OSSDs of the safety sensor are switched on and
the OSSDs of the muting controller are switched off.

• The RES LED flashes red if the system is expecting a muting restart, depending on the status of the
muting sensors. The OSSDs of the safety sensor must be switched off.

• The RES LED flashes red if a muting error occurs.

• If a muting error occurs together with a protected field violation, the OSSDs are switched off when
muting is terminated.

• If a muting error occurs in a free protective field, the OSSDs remain switched on.

Functions

Leuze electronic MSI-MD-FBX 17

5 Applications

3

2

1

4

5.1 Access guarding with timing controlled muting

Applications

1 Safety sensor

2 Muting controller

3 Muting sensors

4 Acknowledgment unit

Fig.5.1: Access guarding with timing controlled muting for an application with a pallet wrapping machine

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6 Mounting

1

2

3

Ä Mount the muting sensors (see chapter 6.2 "Arrangement of the muting sensors").
Ä Mount the muting controller (see chapter 6.1 "Mounting the muting controller").
Ä Make the electrical connection of the muting controller (see chapter 7 "Electrical connection").

NOTICE

Ä When mounting and aligning the safety sensor, observe the respective operating instruc-

tions.

6.1 Mounting the muting controller

You can mount the muting controller as follows:

• Mount in the UDC device column of the receiver of the safety sensor

• Mount on the UDC device column of the receiver of the safety sensor

• Mount on the system via M4 fastening holes

6.1.1 Mounting in the UDC device column

Mount the muting controller in the UDC device column of the receiver of the safety sensor, e.g., below the
receiver. The necessary mounting bracket is available as an accessory (see chapter 14 "Order guide and
accessories").

Mounting

1 Mounting bracket BT-MSI-MD-FB-L

2 Muting controller

3 UDC device column

Fig.6.1: Mounting in the UDC device column

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6.1.2 Mounting on the UDC device column

1

2

3

Mount the muting controller on the side or on the rear of the UDC device column of the receiver of the
safety sensor. The required mounting plate is available as an accessory (see chapter 14 "Order guide and
accessories").

Mounting

1 Mounting plate BT-MSI-MD-FB

2 Muting controller

3 UDC device column

Fig.6.2: Mounting on side/rear on the UDC device column

6.1.3 Mounting on the system

Mount the muting controller on the system via three mounting eyes for M4 screws.

6.2 Arrangement of the muting sensors

Muting sensors detect material and supply the signals necessary for muting. Standard IEC/TS62046 pro­vides basic information on arranging the muting sensors. This information must be observed when mount­ing the muting sensors.

WARNING

Improper installation may result in serious injury!

If the distance between transmitter and receiver is larger than the width of the object so that
gaps of more than 180mm are created, suitable measures, e.g. through additional guarding,
must be taken to stop the dangerous movement before persons enter the area.

Ä Make sure that no persons can reach the danger zone alongside the transport material dur-

ing muting.

Ä Make sure that muting is only temporarily activated and only as long as the access to the

danger zone is blocked by the transport material.

NOTICE

If accessible distances exist between the transport material and the safety sensor, PS mats or
wicket gates monitored with safety switches have been tried, tested and proven as additional
safeguards. Such measures prevent injuries caused, for example, by crushing in the access
area.

Leuze electronic MSI-MD-FBX 20

6.2.1 Basic information

Before you begin with the selection and mounting of the muting sensors (Selecting optoelectronic muting
sensors), please note the following:

• Muting must be triggered by two independent muting signals and must not be fully dependent on soft­ware signals, e.g. from a PLC.

• Always mount muting sensors so that the minimum distance to the protective device is maintained (see
chapter 6.2.3 "Minimum distance for optoelectronic muting sensors").

• Always mount the muting sensors so that the material is detected and not the transport device, e.g. the
pallet.

• Material must be allowed to pass through unimpeded.

WARNING

Unintentionally triggered muting may result in serious injury!

Ä Mount the muting sensors in such a way that muting cannot be unintentionally triggered by a

person, e.g. by simultaneously activating the muting sensors with a foot.

Ä Mount the muting indicator so that it is always visible from all sides.

6.2.2 Selecting optoelectronic muting sensors

Muting sensors detect material and supply the signals necessary for muting. If muting conditions are ful­filled, the safety sensor can use the signals from the muting sensors to bridge the protective function. The
signals can be generated by e.g. optoelectronic sensors from Leuze electronic.

Any transducers which output a +24VDC switching signal when detecting the permitted transport material
can still be used as muting sensors:

• Photoelectric sensors (transmitter/receiver or retro-reflective photoelectric sensors) whose beam paths
intersect behind the protective field within the danger zone.

• Diffuse sensors that scan along the side of the transport material (make sure scanning range is set cor­rectly).

• A photoelectric sensor and an acknowledgment signal from the conveyor drive or a PLC signal, pro­vided they are activated independently of each other and fulfill the simultaneity conditions.

• Switching signals from induction loops that are activated e.g. by a high-lift truck.

• Roller conveyor switches which are activated by the transport material and arranged so that they can­not be simultaneously actuated by a person.

Ä When arranging the muting sensors, take the filter times of the signal inputs into account (switch on fil-

ter time approx.60ms, switch-off filter times approx.300ms).

Mounting

NOTICE

When using muting sensors with push-pull output, a time difference of at least 20ms is neces­sary for the muting signals.

6.2.3 Minimum distance for optoelectronic muting sensors

The minimum distance is the distance between the protective field of the AOPD and the detection points of
the muting sensor light beams. This distance must be maintained when mounting the muting sensors to
prevent the pallet or material from reaching the protective field before the muting signals can bridge the
protective function of the AOPD. The minimum distance is dependent on the time needed by the system to
process the muting signals (approx. 120ms).

Ä Calculate the minimum distance depending on the application case for the timing controlled 2-sensor

muting (see chapter 6.2.4 "Arrangement of the muting sensors for timing controlled 2-sensor muting").

Ä When arranging the muting sensors, make certain that the calculated minimum distance to the protec-

tive field is maintained.

Leuze electronic MSI-MD-FBX 21

6.2.4 Arrangement of the muting sensors for timing controlled 2-sensor muting

a

b

MS2

MS1

1

2

3

4

a

b

S

MS2

MS1

1

2

3

4

d

When doing so, both the MS1 and MS2 sensors must be arranged so that they can be activated simultane­ously within 4s by the transport material but cannot be simultaneously activated by a person within this
time. Arrangements with crossed beams are often used. The intersection point is located here within the
danger zone. This prevents muting from being triggered unintentionally. With this arrangement, an object
can be transported through the protective field in both directions.

NOTICE

Muting accessories from Leuze electronic, for example muting sensor sets and matching device
columns, facilitate the installation of muting applications significantly.

Mounting

1 Danger zone

2 Receiver

3 Transmitter

MS1 Muting sensor1

MS2 Muting sensor2

S Minimum distance between the protective field of the AOPD and the detection points of the muting-sensor

light beams

a,b Distance between muting object and other fixed edges or objects (<200mm)

d Distance from the intersection point of the muting-sensor light beams to the protective-field plane

(<50mm)

Fig.6.3: Typical arrangement of the muting sensors for timing controlled 2-sensor muting (example acc. to

IECTS62046)

With timing controlled 2-sensor muting, the beams from the muting sensors should intersect behind the
protective field of the safety sensor, i.e. within the danger zone, to prevent muting from being triggered un­intentionally.

Distances a and b between fixed edges and the muting object (e.g. transport material) must be such that a
person cannot enter through these openings undetected while the pallet passes through the muting zone.
However, if it is assumed that persons are located here, the risk of crushing must be prevented, e.g. with
wicket gates, which are integrated electrically into the safety circuit.

Leuze electronic MSI-MD-FBX 22

Mounting

MS2

MS1

1

2

3

4

a

b

Minimum distance S

S [mm] = Minimum distance between the protective field of the AOPD and the detection points of the mut-

ing-sensor light beams

v [m/s] = Speed of the material

Distanced should be as small as practical

d [mm] = Distance from the intersection point of the muting-sensor light beams to the protective-field

plane<200mm

Arrangement of diffuse sensors

An additional option for arranging the muting sensors is shown in the following figure. The diffuse sensors
are arranged and set within the danger zone so that their scanning points detect a valid, approaching mut­ing object within the danger zone, but a person is not able to reach both scanning points simultaneously.

1 Danger zone

2 Receiver

3 Transmitter

MS1 Muting sensor1

MS2 Muting sensor2

a,b Distance between muting object and other fixed edges or objects (<200mm)

Fig.6.4: Muting with two diffuse sensors

Leuze electronic MSI-MD-FBX 23

Height of the muting-sensor light beams

H

MS1

MS2

The two light beams of the muting sensors must have a minimum height ofH.

Mounting

Fig.6.5: Arrangement of the muting sensors with respect to height

Ä Mount the muting sensors so that the intersection point of their light beams is at the same height or

higher than the lowest light beam of the safety sensor.

ð This prevents—or hinders—manipulation with the feet since the protective field is interrupted before the

muting-sensor light beam.

NOTICE

To increase safety and make manipulation more difficult, MS1 and MS2 should, if possible, be
mounted at different heights (i.e. no point-shaped intersection of the light beams).

Leuze electronic MSI-MD-FBX 24

7 Electrical connection

WARNING

Faulty electrical connection or improper function selection may result in serious injury!

Ä Only allow qualified persons (see chapter 2.2 "Necessary competencies") to perform the

electrical connection.

Ä For access guarding, activate the start/restart interlock and make certain that it cannot be

unlocked from within the danger zone.

Ä Select the safety-relevant functions for the safety sensor. Observe the operating instructions

for the safety sensor.

Ä Always loop both safety-related switching outputs OSSD1 and OSSD2 of the muting con-

troller into the work circuit of the machine.

WARNING

Muting faults may result in serious injury!

Ä Connect the muting signals so that they are separated and protected and a short circuit be-

tween the cables is impossible.

Electrical connection

NOTICE

Laying cables!

Ä Lay all connection cables and signal lines within the electrical installation space or perma-

nently in cable ducts.

Ä Lay the cables and lines so that they are protected against external damages.
Ä For further information: see EN ISO 13849-2, Table D.4.

NOTICE

Protective Extra Low Voltage (PELV)

The muting controller is designed in accordance with protection classIII for supply with PELV
(Protective Extra-Low Voltage).

NOTICE

Use in the USA and Canada

For use in the USA and Canada, use is only permitted in Class 2 circuits in accordance with the
NEC (National Electric Code).

7.1 Connecting the muting controller

The muting controller is equipped with the following connections:

• One connection for the OSSDs of the safety sensor

M12 socket, 5-pin, A-coded

• A connection for the machine interface

M12 plug, 8-pin, A-coded

• Four connections for muting sensors 1…4

M12 socket, 5-pin, A-coded

• One connection for the reset button/acknowledgment unit

M12 socket, 5-pin, A-coded

• One connection for an external muting indicator

M12 socket, 5-pin, A-coded

• One service USB connection for reading out diagnostics

USB port of type Micro-B

Leuze electronic MSI-MD-FBX 25

Electrical connection

2

5

7

6

4

8

3

1

1 Mounting eyes for M4 screws

2 Cover for the DIP switch blocks for configuring the muting function and the Micro USB connection for reading

out diagnostics.

3 7‑segment display

4 Connection to the machine interface (OSSDs and supply voltage)

5 Connection for the safety sensor

6 Connection for external muting indicator

7 Connection for acknowledgment unit

8 Connections for muting sensors

Fig.7.1: Muting controller connections

Ä Connect the muting controller to the machine interface (see chapter 7.2 "Pin assignment of the ma-

chine interface").

Ä Connect the safety sensor to the muting controller (see chapter 7.3 "Pin assignment of safety sensor").
Ä Connect the acknowledgment unit to the muting controller (see chapter 7.4 "Pin assignment of the ac-

knowledgment unit").

Ä If necessary, connect the external muting indicator to the muting controller (see chapter 7.5 "Pin as-

signment of muting indicator").

Ä Connect the muting sensors to the muting controller (see chapter 7.6 "Pin assignment of muting sen-

sors").

Leuze electronic MSI-MD-FBX 26

7.2 Pin assignment of the machine interface

FE

1

2

3

4

5

6

7

8

2

3

1

4

5

FE

SC: M12 plug, 8-pin, A-coded

Tab.7.1: Pin assignment of the machine interface

Pin Color Signal IN/OUT Description

1 White Reset IN Reset signal from the machine interface

2 Brown +24V Supply voltage

3 Green MS1 IN +24V if muting 'good' detected

4 Yellow Error OUT Fault in the muting controller:

Electrical connection

Muting signal from the machine interface

• +24V: fault in the muting controller

• 0V: no fault; muting controller in operation

5 Gray OSSD1 OUT +24V if OSSD1 of the muting controller is active

6 Pink OSSD2 OUT +24V if OSSD2 of the muting controller is active

7 Blue 0V Supply voltage

8 Red M-EN/TO IN Signal muting enable/muting timeout

FE Housing of the M12 plug

7.3 Pin assignment of safety sensor

LC/LG: M12 socket, 5-pin, A-coded

Tab.7.2: Pin assignment of safety sensor

Pin Color Signal IN/OUT Description

1 Brown +24V Supply voltage for safety sensor, short-circuit proof

2 White OSSD1 IN OSSD1 of the safety sensor; +24V if OSSD1 is active

Functional earth/shield

3 Blue 0V Supply voltage for safety sensor

4 Black OSSD2 IN OSSD2 of the safety sensor; +24V if OSSD2 is active

5 Gray FE FE - functional earth, shield

FE Housing of the M12 socket

FE - functional earth, shield

Leuze electronic MSI-MD-FBX 27

7.4 Pin assignment of the acknowledgment unit

2

3

1

4

5

FE

2

3

1

4

5

FE

RES: M12 socket, 5-pin, A-coded

Tab.7.3: Pin assignment of the acknowledgment unit

Pin Color Signal IN/OUT Description

1 Brown +24V Supply voltage

2 White ReadyForReset OUT LED lighting for the acknowledgment unit

3 Blue GND Supply voltage

4 Black Reset IN Switching signal reset

5 Gray n.c. This pin is not contacted at the device

Electrical connection

Signal indicating that the system is waiting for actu­ation of the acknowledgment unit.

FE Housing of the M12 socket

7.5 Pin assignment of muting indicator

ML: M12 socket, 5-pin, A-coded

Tab.7.4: Pin assignment of muting indicator

Pin Color Signal IN/OUT Description

1 Brown +24V Supply voltage

2 White Muting OUT +24V if muting active

3 Blue GND Supply voltage

4 Black Muting OUT +24V if muting active

5 Gray n.c. This pin is not contacted at the device

FE Housing of the M12 plug

FE - functional earth, shield

Functional earth/shield

Leuze electronic MSI-MD-FBX 28

7.6 Pin assignment of muting sensors

2

3

1

4

5

FE

S

E

1 3 4

-MS1

1

-MS2

1

-MS1

S

E

1 3 4

-MS2

2

2334455

1

-MS4

1

-MS3

22334

455

1

-ML

1

-RES

-S1/H1

-H1

2

2334455

1

-SC

1

-LC/LG

2

2334455

6 7 8

Schaltsignal

BN

SH

OSSD2

VIN2

5

GND

electronic

BK

RD

A2

Muting aktiv

V42+V42+

2 4

WH

2

Schaltsignal

VIN2

n.c.

electronic

BU

FE

VIN1

BU

PE

OSSD1

OSSD2

GND

GY

7

-W3

PK5BU

1

BN

SH

A3

WH

YE

n.c.

GN

3

BK

MLC/MLD500

+24V

PE

OSSD
OSSD

0V

MLC/MLD510

FE

ON

n.c.

GND

Reset

ReadyForReset

1

n.c.

Leuze

electronicLeuze

+24V

0V

GND

OSSD1

Schaltsignal

0V

Sensor 1 in

4

2

ON

teseRV42+

M EN/TO

OSSD2

MSI-MD-FBX

n.c.

+24V

-W1

+24V

+24V

-W2

-W2

GND

+24V

Störung

n.c.

n.c.

-W1

n.c.

n.c.

PE

Schaltsignal

OSSD1

5

n.c.

0V

BN

3

RNG

1

GND

Muting aktiv

0V

SH

GND

6

OFF

PE

4

n.c.

+24V

VIN1

3

FE

OFF

8

Leuze

A1

MS1, MS2, MS3, MS4: Four connections for muting sensors MS1…MS4; M12 socket, 5-pin, A-coded

Tab.7.5: Pin assignment of muting sensor

Pin Color Signal IN/OUT Description

1 Brown +24V Supply voltage

2 White n.c. This pin is not contacted at the device

3 Blue GND Supply voltage

4 Black Muting IN +24V if muting 'good' detected

5 Gray n.c. This pin is not contacted at the device

FE Housing of the M12 socket

Electrical connection

FE - functional earth, shield

7.7 Circuit diagram examples

7.7.1 Timing controlled 2-sensor muting

Fig.7.2: Circuit diagram example: timing controlled 2-sensor muting

• Muting controller MSI-MSI-MD-FB and safety sensor MLC510 or MLD510

Leuze electronic MSI-MD-FBX 29

• Muting timeout: 10minutes

8 Starting up the device - Configuration

8.1 Overview

The function of the muting controller is set via two DIP switch blocks, each of which has eight switches. The
DIP switch blocks are located behind a cover in the housing of the muting controller and are not accessible
in normal operation.

NOTICE

This muting controller can only be operated in operating mode 7 (see chapter 8.2 "Setting the
operating mode").

Parameter

You can set the following parameters for the function of the muting controller:

DIP switch Function Settings

1 Number of the muting sensors 2-sensor muting

2 Muting mode Timing controlled muting

Starting up the device - Configuration

4-sensor muting (not permissible)

Sequence controlled muting (not permissible)

3 EDM With EDM

Without EDM

4 Restart Automatically via machine interface signal

Manually via acknowledgment unit

5 Muting-enable With muting-enable

Without muting-enable

6 Muting timeout With muting-timeout extension

Without muting-timeout extension

Procedure

Ä Disconnect the muting controller from voltage.
Ä Remove the cover from the housing of the muting controller (four screws; Operational controls).
Ä Set the operating mode of the muting controller via the DIP switch blocks (see chapter 8.2 "Setting the

operating mode").

Ä Remount the cover on the housing on the muting controller.

ð Tighten the screws with a torque wrench. Torque: 0.6…0.8Nm
Ä Connect the muting controller to the voltage supply
Ä Restart the muting controller.

ð After the device is started, the 7-segment display shows the set operating mode.

NOTICE

Error when configuring the muting controller in process mode!

If the switch position of the DIP switch blocks is changed in process mode, an error is triggered
and the OSSDs switch off.

Ä Only set the configuration of the muting controller while the device is in a voltage-free state.

Leuze electronic MSI-MD-FBX 30

8.2 Setting the operating mode

1

2

1 2 3 4 5 6 7 8

A

B

1

1

2

2

The muting controller is equipped with two DIP switch blocks, each with eight switches for setting the con­figuration.

1 DIP switch blocks

2 Service USB connection

Fig.8.1: Muting controller without cover

Switch position of the DIP switch blocks

NOTICE

Error for different switch positions in the DIP switch blocks!

An error is triggered for different switch positions in the DIP switch blocks and the OSSDs switch
off.

Ä When configuring, make certain that the switch position is identical in both DIP switch

blocks.

Starting up the device - Configuration

A DIP switch block A

B DIP switch block B

1 Switch position ON

2 Switch position OFF

Fig.8.2: Example: switch position of the DIP switch blocks

Tab.8.1: Assignment of the DIP switches

DIP

Function ON OFF

switch

1 Number of the muting sen-

sors

2 Muting mode Sequence controlled muting

4-sensor muting

(not permissible)

2-sensor muting

Timing controlled muting

(not permissible)

3 EDM With EDM Without EDM

4 Restart Manual restart Automatic restart

Leuze electronic MSI-MD-FBX 31

5 Muting-enable With muting-enable Without muting-enable

6 Muting timeout With muting-timeout exten-

sion

Without muting-timeout exten­sion

Starting up the device - Configuration

DIP

Function ON OFF

switch

7/8 Muting timeout OFF/OFF: 20seconds

OFF/ON: 2minutes

ON/OFF: 10minutes

ON/ON: 100hours

Setting the operating mode

The following table lists the permissible operating modes that can be set via the DIP switch blocks.

After the device is started, the 7-segment display of the muting controller shows the set operating mode.

NOTICE

This muting controller can only be operated in operating mode 7.

NOTICE

Error in event of impermissible setting of DIP switches!

If a DIP switch configuration is set that does not correspond to that of a permissible operating
mode, an operating mode error is triggered and the OSSDs switch off.

Ä Only set one of the DIP-switch configurations listed in the operating mode table.

NOTICE

Restart interlock for access guarding!

For access guarding, a restart interlock is required.

Ä If the automatic restart interlock is configured in the muting controller, you must carry out the

restart interlock, e.g. via the machine interface.

Tab.8.2: Operating modes

DIP

1 2 3 4 5 6

switch

Function Number of

muting sen-

sors

Operating

mode

7 2-sensor Timing con-

Muting mode EDM Restart Muting-en-

able

Without Manual With Without

trolled

Muting-time-

out exten-

sion

Leuze electronic MSI-MD-FBX 32

9 Testing

WARNING

A running machine may result in serious injury!

Ä Make certain that, during all conversions, maintenance work and inspections, the system is

securely shut down and protected against being restarted.

NOTICE

Ä The safety relays must be exchanged after a maximum of 20years.
Ä Always exchange the entire safety relay.
Ä Observe any nationally applicable regulations regarding the tests.
Ä Document all tests in a comprehensible manner.

9.1 Before the initial start-up and following modifications

WARNING

Unpredictable machine behavior during initial start-up may result in serious injury!

Ä Make certain that there are no people in the danger zone.

Testing

Ä Before they begin work, train the operators on their respective tasks. The training is the responsibility of

the operating company.

Ä Attach notes regarding daily testing in the respective national language of the operator on the machine

in a highly visible location, e.g. by printing out the corresponding chapter (see chapter 9.3 "Periodically
by the operator").

Ä Test the electrical function and installation according to this document.

Acc. to IEC/TS62046 and national regulations (e.g. EU directive2009/104/EC), tests are to be performed
by qualified persons (see chapter 2.2 "Necessary competencies") in the following situations:

• Prior to initial commissioning

• Following modifications to the machine

• After longer machine downtime

• Following retrofitting or new configuration of the machine

Ä Before preparing, check the most important criteria for the optoelectronic safety device and the safety

relay. This check does not replace testing by qualified persons (see chapter 2.2 "Necessary competen­cies").

ð Not until proper function of the optoelectronic safety device and the safety relay is ascertained may

they be integrated in the control circuit of the system.

9.2 Regularly by qualified persons

The reliable interaction of safety sensor, safety relay and machine must be regularly tested by qualified per­sons (see chapter 2.2 "Necessary competencies") in order to detect changes to the machine or impermissi­ble tampering.

Acc. to IEC/TS 62046 and national regulations (e.g., EU directive 2009/104/EC), tests of elements which
are subject to wear must be performed by qualified persons (see chapter 2.2 "Necessary competencies") at
regular intervals. Testing intervals may be regulated by nationally applicable regulations (recommendation
acc. to IEC/TS62046: 6months).

Ä Only allow testing to be performed by qualified persons (see chapter 2.2 "Necessary competencies").
Ä Observe the nationally applicable regulations and the time periods specified therein.

Leuze electronic MSI-MD-FBX 33

9.3 Periodically by the operator

The function of the safety relay must be checked depending on the given risk according to the following
checklist so that damage or prohibited tampering can be detected.

Depending on the risk assessment, the test cycle must be defined by the integrator or operating company
(e.g., daily, on shift changes, ...) or is specified by national regulations or regulations of the employer's lia­bility insurance association and may be dependent on the machine type.

Due to complex machines and processes, it may be necessary under certain circumstances to check some
points at longer time intervals. Observe the classification in “Test at least” and “Test when possible”.

NOTICE

For larger distances between transmitter and receiver of the safety sensor and when using de­flecting mirrors, a second person may be necessary.

WARNING

Unpredictable machine behavior during the test may result in serious injury!

Ä Make certain that there are no people in the danger zone.
Ä Before they begin work, train the operators on their respective tasks and provide suitable

test objects and an appropriate test instruction.

Testing

9.3.1 Checklist – periodically by the operator

NOTICE

Ä If you answer one of the items on the following check list with no, the machine must no

longer be operated.

When possible, test during running operation: Yes No

Protective device with approach function: during machine operation, the protective field is
interrupted with the test object – are the obviously dangerous machine parts stopped with­out noticeable delay?

Protective device with presence detection: the protective field is interrupted with the test
object – does this prevent operation of the obviously dangerous machine parts?

Leuze electronic MSI-MD-FBX 34

10 Care, maintenance and disposal

Cleaning

Ä Clean the device with a soft cloth as needed; use a cleaning agent (commercially available glass

cleaner) if necessary.

NOTICE

Do not use aggressive cleaning agents!

Ä Do not use aggressive cleaning agents such as thinner or acetone for cleaning the device.

Use of improper cleaning agents can damage the 7-segment display.

Maintenance

The device does not normally require any maintenance by the operator.

Repairs to the device must only be performed by the manufacturer.

Ä For repairs, contact your responsible Leuzeelectronic subsidiary or Leuzeelectronic customer service

(see chapter 12 "Service and support").

Disposing

Ä For disposal observe the applicable national regulations regarding electronic components.

Care, maintenance and disposal

Leuze electronic MSI-MD-FBX 35

11 Diagnostics and troubleshooting

11.1 What to do in case of failure?

After switching on the muting controller, the display elements (see chapter 3.2 "Display elements") assist in
checking the correct functionality and in fault-finding.

In case of failure, you can read a message from the 7-segment display. With the error message you can
determine the cause of the error and initiate measures to rectify it.

NOTICE

If the light curtain responds with an error display, you will often be able to eliminate the
cause yourself!

Ä Switch off the machine and leave it switched off.
Ä Analyze and eliminate the cause of the fault using the following table.
Ä If you are unable to rectify the fault, contact the Leuzeelectronic branch responsible for you

or call the Leuze electronic customer service (see chapter 12 "Service and support").

With the SensorStudio diagnostics software, you can create a service file that you can send to Leuze elec­tronic customer service in the event of service requests (Diagnostics software SensorStudio). The service
file contains all available information on the muting controller, as well as configuration and settings.

Diagnostics and troubleshooting

11.2 Error messages 7-segment display

User messages/notes and error messages are indicated by the alternating display of a letter and a two-digit
number.

Tab.11.1: Messages of the 7-segment display (F:internal device error, E:external error, U:usage info during appli-

cation errors)

Error Cause/description Remedies and measures Behavior of the

F[No. 0-255] Internal error In the event of an unsuccessful

OFF Very high overvoltage (±40V) Supply the device with the correct

E01 Cross connection between

OSSD1 and OSSD2

E02 Overload on OSSD1 Check the wiring or exchange the

E03 Overload on OSSD2 Check the wiring or exchange the

E04 High-impedance short circuit to

VCC OSSD1

restart, contact customer service.

voltage.

Check the wiring between OSSD1
and OSSD2.

connected component (reducing
the load).

connected component (reducing
the load).

Check the wiring. Exchange the
cable, if applicable.

muting controller

Automatic reset

Automatic reset

Automatic reset

Automatic reset

E05 High-impedance short circuit to

VCC OSSD2

E06 Short circuit against GND at

OSSD1

E07 Short circuit against +24V at

OSSD1

E08 Short circuit against GND at

OSSD2

E09 Short circuit against +24V at

OSSD2

Leuze electronic MSI-MD-FBX 36

Check the wiring. Exchange the
cable, if applicable.

Check the wiring. Exchange the
cable, if applicable.

Check the wiring. Exchange the
cable, if applicable.

Check the wiring. Exchange the
cable, if applicable.

Check the wiring. Exchange the
cable, if applicable.

Automatic reset

Automatic reset

Automatic reset

Automatic reset

Automatic reset

Diagnostics and troubleshooting

Error Cause/description Remedies and measures Behavior of the

muting controller

E10, E11 OSSD error, source unknown Check the wiring. Exchange the

cable and the receiver if neces­sary.

E14 Undervoltage (<+16V) Supply the device with the correct

voltage.

E15 Overvoltage (>+31V) Supply the device with the correct

voltage.

E16 Overvoltage (>+40V) Supply the device with the correct

voltage.

E18 Ambient temperature too high

(>90°)

E19 Ambient temperature too low

(<-35°)

E39 Actuation duration for the ac-

knowledgment unit exceeded
(local socket)

E40 Actuation duration for the ac-

knowledgment unit exceeded
(cabinet socket)

E42 Muting enable signal on +24V

for too long

Ensure correct environmental con­ditions

Ensure correct environmental con­ditions

Press the acknowledgment unit. If
the restart is unsuccessful, check
the wiring of the reset button.

Press the acknowledgment unit. If
restart is unsuccessful, check the
wiring.

Check the actuation of the muting
enable signal

Automatic reset

Automatic reset

Automatic reset

Locking

Automatic reset

Automatic reset

Automatic reset

Automatic reset

Acknowledgment
unit

E80 Invalid operating mode Check the configuration of the op-

erating mode and restart.

E87 Operating mode changed Check the configuration of the op-

erating mode and restart.

E89 Switch position of the DIP

switch blocks changed during

Check the configuration of the op­erating mode and restart.

operation.

E97 Linkage of electronic safety-re-

Check the wiring. Locking
lated switching outputs:
OSSDs did not switch simulta­neously

U10 Invalid command received via

the interface

U30 Sequence error between mut-

ing sensor1 and muting sen-

Check the connection

to the USB interface

Check the arrangement and align-

ment of the muting sensors.
sor2

U31 Sequence error between mut-

ing sensor2 and muting sen-

Check the arrangement and align-

ment of the muting sensors
sor3

U32 Sequence error between mut-

ing sensor3 and muting sen-

Check the arrangement and align-

ment of the muting sensors
sor4

Locking

Locking

Locking

Automatic reset

Automatic reset

Automatic reset

Automatic reset

U33 Sequence error if all muting

sensors are activated and mut-

Check the arrangement and align-

ment of the muting sensors

Automatic reset

ing sensor1 should be free

U34 Sequence error if muting sen-

sors2 to4 are activated and

Check the arrangement and align-

ment of the muting sensors

Automatic reset

muting sensor2 should be free

Leuze electronic MSI-MD-FBX 37

Diagnostics and troubleshooting

Error Cause/description Remedies and measures Behavior of the

muting controller

U35 Sequence error if muting sen-

sor3 and muting sensor4 are
activated and muting sensor3
should be free

U41 Concurrency expectation of

the muting signals not met:
second signal outside toler­ance of 4s

U43 Muting end before protective

field release

U44 Sequence error if muting sen-

sor1 and muting sensor2 are
activated and muting sensor2
should be free

U45 Sequence error if muting sen-

sors1 to3 are activated and
muting sensor3 should be free

U46 Sequence error if all muting

sensors are activated and mut­ing sensor4 should be free

U47 Sequence error between mut-

ing sensor2 and muting sen­sor1

Check the arrangement and align-

Automatic reset

ment of the muting sensors

Check the arrangement of the mut-

Automatic reset
ing sensors or the programming of
the machine interface if required.

Select a valid muting condition. Automatic reset.

Check the arrangement and align-

Automatic reset
ment of the muting sensors

Check the arrangement and align-

Automatic reset
ment of the muting sensors

Check the arrangement and align-

Automatic reset
ment of the muting sensors

Check the arrangement and align-

Automatic reset
ment of the muting sensors

U48 Sequence error between mut-

ing sensor3 and muting sen­sor2

U49 Sequence error between mut-

ing sensor4 and muting sen­sor3

U50 Muting restart without valid

muting configuration of the
muting sensors

U51 Only one muting signal active

in case of protective field viola­tion, the second muting signal
is missing

U52 Oscillating muting sensor de-

tected

U55 Time limit for override ex-

ceeded

U56 Acknowledgment unit was ac-

tuated with interrupted protec­tive field and without activated
muting sensor

Check the arrangement and align­ment of the muting sensors

Check the arrangement and align­ment of the muting sensors

Check the mounting of the muting
sensors and the activation of the
muting signals.

Check the mounting of the muting
sensors and the activation of the
muting signals.

Check the wiring or whether the
muting sensor is defective. Ex­change the muting sensor if nec­essary.

Check the further processing of
the OSSD signals and the design
of the muting system.

Check the arrangement and con­nections of the muting sensors and
carry out muting restart again if re­quired.

Automatic reset

Automatic reset

Automatic reset

Automatic reset

Automatic reset.

Automatic reset

Automatic reset

U58 Muting timeout elapsed Actuate the acknowledgment unit Automatic reset

U59 A muting sensor has switched

on and off again multiple times

Check the arrangement and align­ment of the muting sensors.

Automatic reset

without muting having been
triggered

Leuze electronic MSI-MD-FBX 38

Diagnostics and troubleshooting

Error Cause/description Remedies and measures Behavior of the

muting controller

U60 Error at transition from one ac-

tivated muting sensor to two

Check the arrangement and align­ment of the muting sensors.

activated muting sensors

U61 Sequence error when clearing

the first muting sensor

U62 Sequence error when clearing

the second muting sensor

U63 Time limit from the activation

of the first muting sensor to the

Check the arrangement and align­ment of the muting sensors

Check the arrangement and align­ment of the muting sensors

Check the arrangement and align­ment of the muting sensors

activation of the second muting
sensor exceeded

U64 Time limit for override ex-

ceeded

Check the further processing of
the OSSD signals and the design
of the muting system.

U66 Sequence error Check the connection of the mut-

ing sensors

U67 No muting-enable signal be-

fore start of muting

Activate muting-enable before
muting

U73 Restarting the device Only an entry in the error memory

- no display

U80 Acknowledgment unit actuated

although none is configured

Check the setting for the acknowl­edgment unit

Automatic reset

Automatic reset

Automatic reset

Automatic reset

Automatic reset

Automatic reset

Automatic reset

Automatic reset

Automatic reset

U81 Incorrect reset signal, e.g., re-

set signal via acknowledgment
unit, even though reset signal
is configured via machine in­terface

U82 Muting enable activated even

though not configured

U83 Muting sensor 1 signal via

muting sensor even though
configured via machine inter­face

U84 Muting sensor 1 signal via ma-

chine interface even though
configured via muting sensor

U85 Signals from muting sensor3

or muting sensor4 in 2-sensor
muting

Check the setting for the reset sig­nal.

Check the setting for muting en­able.

Check the setting for muting sen­sor1.

Check the setting for muting sen­sor1.

Check the design of the muting
system.

Automatic reset

Automatic reset

Automatic reset

Automatic reset

Automatic reset

Leuze electronic MSI-MD-FBX 39

12 Service and support

24-hour on-call service at:
[phone]

Service hotline:
[phone]

E-mail:

[e-mail]

Return address for repairs:
Servicecenter
Leuze electronic GmbH + Co. KG
InderBraike1
D-73277Owen/Germany

Service and support

Leuze electronic MSI-MD-FBX 40

13 Technical data

13.1 General specifications

Tab.13.1: Safety-relevant technical data

Performance Level (PL) PLe, Cat.4 in accordance with ENISO13849

Safety Integrity Level (SIL) SIL3 in accordance with IEC61508

SIL Claim Limit (SILCL) SILCL3 in accordance with IEC/EN62061

Probability of a dangerous failure per hour (PFHd) 2.5+10E-9

Mission time (TM) 20 years

Tab.13.2: General system data

Connection technology M12 connectors, 5-pin, female

Technical data

M12 connectors, 8-pin, male

Supply voltage U

v

+24V, ± 20%, compensation necessary at 20ms
voltage dip, min.250mA (+external load)

Residual ripple of the supply voltage ± 5% within the limits of U

v

Current consumption 150mA (without load)

Protection class III

Degree of protection IP 67 acc. to EN60529

Reaction time ≤ 5 ms

Ambient temperature, operation -30…+60°C

Ambient temperature, storage -40…+70°C

Relative humidity (non-condensing) 0…95%

Vibration resistance 10-55 Hz in acc. with IEC/EN60068-2-6; 0.35mm

amplitude

Shock resistance 100m/s2 acceleration, 16ms acc. to IEC/

EN60068-2-6

Dimensions (LxWxH) 225mmx60mmx37mm

Weight 560g

Maximum length of the connection cable to the ma­chine interface

50 m

Only permissible with a maximum additional current
demand ≤160mA

Torque for the screws of the cover 0.6…0.8Nm

Leuze electronic MSI-MD-FBX 41

Tab.13.3: Technical data of the electronic safety-related switching outputs (OSSDs)

Technical data

Safety-related PNP transistor outputs (short-

Minimum Typical Maximum

circuit monitored, cross-circuit monitored)

Switching voltage high active (Uv-1.5V) 18V 24V 27 V

Switching voltage low 0V +2.5V

Switching current 300mA 380mA

Residual current <2µA 200µA

Load capacity 0.3µF

Load inductivity 2H

Permissible wire resistance for load <200Ω

Note the additional restrictions due to cable length and
load current.

Permissible wire cross section 0.25mm

2

Test pulse width 60μs 340μs

Test pulse distance (5ms) 60 ms

OSSD restart delay time 100ms

Tab.13.4: Status signals and control signals

Signal Input/Output Values

Reset Input 24V, 15mA

ReadyForReset Output 24V, 80mA

ML Output 24V, 80mA

Input and output currents

MS1…MS4 Input 24V, max. 250mA

Sum of the input/output currents: < 1A

Permissible leakage current for control outputs: max. 0.7mA

NOTICE

The safety-related transistor outputs perform the spark extinction. With transistor outputs, it is
therefore neither necessary nor permitted to use the spark extinction circuits recommended by
contactor or valve manufacturers (RC elements, varistors or recovery diodes), since these con­siderably extend the decay times of inductive switching elements.

Leuze electronic MSI-MD-FBX 42

13.2 Dimensioned drawings

60

225

36

4,5

106,75

4,3

16,3

38,3

all dimensions in mm

Fig.13.1: Dimensioned drawing of MSI-MD-FB muting controller

Technical data

13.3 Dimensioned drawings - Accessories

Mounting plate BT-MSI-MD_FB

all dimensions in mm

Fig.13.2: Mounting plate BT-MSI-MD_FB

Leuze electronic MSI-MD-FBX 43

Mounting bracket BT-MSI-MD_FB-L

all dimensions in mm

Fig.13.3: Mounting bracket BT-MSI-MD_FB-L

Technical data

Leuze electronic MSI-MD-FBX 44

14 Order guide and accessories

14.1 Type overview

Tab.14.1: Part numbers

Part no. Part designation Description

549954 MSI-MD-FBX Muting controller

14.2 Accessories

Tab.14.2: Connection cables

Part no. Article Description

Connection cables for connecting muting controller MSI-MD-FB to the machine interface

678060 CB-M12-5000E-8GF 5m connection cable with straight socket

678061 CB-M12-1000E-8GF 10m connection cable with straight socket

678062 CB-M12-15000E-8GF 15m connection cable with straight socket

Order guide and accessories

678063 CB-M12-55000E-8GF 25m connection cable with straight socket

678064 CB-M12-50000E-8GF 50m connection cable with straight socket

678070 CB-M12-5000E-8WF 5m connection cable with angled socket

678071 CB-M12-10000E-8WF 10m connection cable with angled socket

678072 CB-M12-15000E-8WF 15m connection cable with angled socket

678073 CB-M12-25000E-8WF 25m connection cable with angled socket

678074 CB-M12-50000E-8WF 50m connection cable with angled socket

Tab.14.3: Interconnection cables

Part no. Article Description

Interconnection cables (Y-cable) for connecting transmitter and receiver of safety light barrier MLD and
safety light curtain MLC to the muting controller

548951 CB-M12-Y1A Y interconnection cable with pin4 on 24V

548952 CB-M12-Y1B Y interconnection cable with pin4 open

678033 CB-M12-2500S-5GF/GM Interconnection cable

recommended for MLDx10-RTx connection

678035 CB-M12-5000S-5GF/GM Interconnection cable

recommended for MLDx10-RTx connection

Tab.14.4: Display and confirmation units

Part no. Article Description

426290 AC-ABF10 Display and confirmation unit

Leuze electronic MSI-MD-FBX 45

Order guide and accessories

Tab.14.5: Mounting technology

Part no. Article Description

427302 BT-MSI-MD-FB Mounting plate for mounting muting controller

MSI-MD-FB on side or rear on UDC/DC columns
or for wall mounting

427303 BT-MSI-MD-FB-L Mounting bracket for interior mounting of muting

controller MSI-MD-FB in UDC/DC columns

Tab.14.6: Muting indicators

Part no. Article Description

660611 MS70/LED-M12-2000-4GM LED muting indicator with connection cable 2m

Leuze electronic MSI-MD-FBX 46

15 EC Declaration of Conformity

EC Declaration of Conformity

Leuze electronic MSI-MD-FBX 47