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2500233-04-10/21 (translation of the original operating instructions)

Operating Instructions Safety Systems

MGB2-L1…-BR.-… / MGB2-L2…-BR.-… and MGB2-L1…-BP.-… / MGB2-L2…-BP.-…

EN

13.13. Information on operation in a BR switch chain

13.13.1.  System times

The locking module has different reaction times compared to a CES-BR switch (see chapters 

16. Technical data on 

page 50

 and 

16.2. Typical system times on page 52

).

13.13.2.  Wiring of a BR switch chain

To prevent earth loops, the wiring should be in a star configuration (see 

Fig. 30

).

CES-BR

terminating plug

CES-BR

CES-BR

PLC

MGB2-L.-BR...

+ 24 V DC

cabinet

0 V

FI1A/FI1B

FI1A/FI1B

FO1A/FO1B

FI1A/

FI1B

FO1A/

FO1B

UB 0V

IMP 0V/IMM

#1

#2

#3

#4

MGB2-L.-BR...

#5

FI1A/FI1B

FO1A/FO1B

FI1A/

FI1B

FO1A/

FO1B

UB 0V

FO1A/FO1B

IMP 0V/IMM

 

Important

: lay cables in a common harness

Fig. 30:  Central wiring of a BR switch chain in the control cabinet

13.13.3.  Number of devices in switch chains

In a pure MGB2 switch chain a maximum of ten devices can be connected in series. In mixed switch chains (e.g. 

MGB2 together with CES-BR) the maximum number of devices is also ten.

13.13.4.  Resetting in switch chains

Important!

Use the reset input (RST) for resetting in BR switch chains. All devices in the chain must be 

reset simultaneously. Resetting individual switches will result in faults.

BR

Summary of Contents for MGB2-L1

Page 1: ...EN Operating Instructions Safety Systems MGB2 L1 BR MGB2 L2 BR MGB2 L1 BP MGB2 L2 BP From V1 0 0 ...

Page 2: ...em overview 13 7 1 Locking module MGB2 L 13 7 2 Handle module MGB2 H 13 7 3 Escape release MGB E optional 14 7 4 Dimension drawing 15 7 4 1 Drilling pattern overall system 16 8 Manual release 17 8 1 Auxiliary release and auxiliary key release can be retrofitted 17 8 1 1 Actuating auxiliary release 17 8 1 2 Actuating auxiliary key release 17 8 2 Emergency release can be retrofitted 18 8 2 1 Actuati...

Page 3: ...35 13 7 3 Activating release monitoring 35 13 8 Notes on operation with control systems 36 13 9 Connection of guard locking control 37 13 9 1 Guard locking control for devices with IMM connection 37 13 9 2 Guard locking control for devices without IMM connection 37 13 10 Terminal assignment and contact description 38 13 11 Terminal assignment submodule with plug connector M23 X7 39 13 12 Operation...

Page 4: ...f the original operating instructions 2500233 04 10 21 17 Troubleshooting and assistance 53 17 1 Resetting errors 53 17 2 Troubleshooting help on the Internet 53 17 3 Mounting help on the Internet 53 17 4 Application examples 53 18 Service 53 19 Inspection and service 54 20 Declaration of conformity 55 ...

Page 5: ...operating instructions Please contact our support team in this case 1 2 Target group Design engineers and installation planners for safety systems on machines as well as setup and servicing staff possessing special expertise in handling safety components as well as expertise in the installation setup programming and diagnostics of programmable logic controllers PLCs 1 3 Key to symbols Symbol depic...

Page 6: ...s Document title document number Contents Safety information 2525460 Basic safety information Operating instructions 2500233 this document I n t e r n e t www Possibly enclosed data sheets Item specific information about deviations or additions Important Always read all documents to gain a complete overview of safe installation setup and use of the device The documents can be downloaded from www e...

Page 7: ...art command must be issued For exceptions refer to EN ISO 12100 or relevant C standards The following applies to inactive guard lock monitoring In combination with a movable guard and the machine control this safety component prevents dangerous machine functions from occurring while the guard is open A stop command is triggered if the guard is opened during the dangerous machine function With inac...

Page 8: ...h the product the information on the data sheet applies Table 1 Possible combinations for MGB2 components Evaluation unit Handle module Submodules Submodules MGB2 H From V1 0 0 MSM P MSM N MSM K MSM R MGB2 BR BP From V1 0 0 Key to symbols Combination possible Combination not possible 2 1 Main differences MGB2 BP and MGB2 BR System family Symbol Use MGB2 BP BP Optimized for operation in safe contro...

Page 9: ...mance Level PFHD see chapter 16 Technical data on page 50 Control of guard locking Ì Safety function If the device is used as guard locking for personnel protection control of guard locking must be regarded as a safety function The safety level of guard locking control is determined by the device PFHD int and by the external control e g PFHD ext of the standstill monitor PFHDext Guardlocking Devic...

Page 10: ...lation or due to bypassing tampering Safety components fulfill a personnel protection function Ì Safety components must not be bypassed turned away removed or otherwise rendered ineffec tive On this topic pay attention in particular to the measures for reducing the possibility of bypass ing according to EN ISO 14119 2013 section 7 Ì The switching operation is allowed to be triggered only by the in...

Page 11: ...RUE TRUE Guard locking active TRUE irrelevant TRUE irrelevant In case of series connection Signal available from the upstream switch on the safety inputs FI1A and FI1B In case of separate operation DC 24 V present at the safety inputs FI1A and FI1B TRUE TRUE irrelevant irrelevant FO1A and FO1B are ON The locking module detects the position of the guard and the position of the bolt tongue The posit...

Page 12: ...gue cannot be pulled out of the locking module and the guard is locked If voltage is applied to the guard locking solenoid the guard locking is opened and bolt tongue is released The guard can be opened 6 3 Guard locking for version MGB2 L2 guard locking actuated by power ON and released by spring force Important Use as guard locking for personnel protection is possible only in special cases after...

Page 13: ...ing LED indicator for submodule in SLOT 1 5 Submodule in SLOT 1 configuration example 6 Auxiliary marking for correct align ment in relation to the handle module 7 Locking arm 8 Terminals X1 X4 9 Internal reset Cover terminals X5 and X6 Notice Depending on version additional controls and indicators may be integrated into the cover and a mounting plate can be included See enclosed data sheet Fig 2 ...

Page 14: ...he original operating instructions 2500233 04 10 21 7 3 Escape release MGB E optional 1 2 3 4 Key 1 Door handle 2 Housing 3 Actuation axis 8 x 8 mm different lengths available 4 Protective sleeve Notice Depending on version a mounting plate can be included See enclosed data sheet Fig 4 Escape release MGB E ...

Page 15: ...ions Operating Instructions Safety Systems MGB2 L1 BR MGB2 L2 BR and MGB2 L1 BP MGB2 L2 BP EN 7 4 Dimension drawing 40 15 40 155 4 130 114 114 2 110 59 62 3 22 2 40 130 63 52 5 155 4 42 115 5 289 Fig 5 Dimension drawing of MGB2 mounted without optional mounting plates ...

Page 16: ...d MGB2 L1 BP MGB2 L2 BP 16 translation of the original operating instructions 2500233 04 10 21 7 4 1 Drilling pattern overall system 92 5 10 75 114 155 4 4 15 6 3 25 16 MGB2 I L MGB2 H 73 5 130 25 16 5 15 114 89 4 6 3 12 3 16 Fig 6 Drilling pattern overall system ...

Page 17: ... the arrow Guard locking is released 1 2 3 Fig 7 Auxiliary release DIP OFF ON Ì When release monitoring is active the system enters into a latching fault when the auxiliary release is actuated See System status table signal sequence incorrect status DIA red Lock flashes 1 time Ì The system might not enter into a latching fault if the auxiliary release is actuated very slowly Important Ì The auxili...

Page 18: ...mergency release Ì Turn the emergency release clockwise until it clicks into place Guard locking is released To reset press the snap in bolt inward using a small screwdriver or similar tool and turn the emergency release back The safety outputs are switched off when the emergency release is actuated Use the safety outputs to generate a stop command The monitoring output OL is switched off OD OT in...

Page 19: ...be possible to actuate the escape release manually from inside the protected area without tools Ì It must not be possible to reach the escape release from the outside Ì The bolt tongue must not be under tensile stress during manual release Ì The escape release meets the requirements of Category B according to EN ISO 13849 1 2015 Ì The correct function must be checked at regular intervals Ì Observe...

Page 20: ...s order no 106761 Without mounting plates none With mounting plates Use extended actuation axis and protective sleeve and shorten to required length 45 mm 54 mm 62 mm Standard escape release with 107 mm axis order no 100465 and extended actuation axis order no 106761 Use extended actuation axis and protective sleeve and shorten to required length 50 mm 59 mm 67 mm Standard escape release with 107 ...

Page 21: ... for this purpose for example Important Ì In case of flush installation the operating distances change as a function of the installation depth and the guard material Locking module Handle module Locking module Handle module Surface mounting Flush installation Actuating range Actuating range Tip Ì You will find an animation on the mounting process at www euchner com Ì The pushbuttons and indicators...

Page 22: ...ctions Safety Systems MGB2 L1 BR MGB2 L2 BR and MGB2 L1 BP MGB2 L2 BP 22 translation of the original operating instructions 2500233 04 10 21 M6 T10 Fig 10 Installation example for door hinged on the right general view ...

Page 23: ... incorrect connection or a configuration change Ì Only submodules of connection types P K and N can be used Check the compatibility before instal lation For information on the related connection type of a submodule refer to the sticker on the rear of the submodule or the data sheet for the related submodule This is included with each submodule Ì Pay attention to the alignment of the submodule See ...

Page 24: ...n a suitable operating status NOTICE Pay attention to the information on the replacement of a submodule in the operating instructions for the related module Correct function must be tested after replacement before the system enters normal operation again The replacement of submodules MSM while in operation is also possible pay attention to safety note above As soon as the system detects a compatib...

Page 25: ...AUTION Risk of damage to equipment or malfunction as a result of uncontrolled machine stop Ì The direction of connection can be changed by removing the covers and mounting rotated by 180 Ì The communication within the system is interrupted if the internal wiring is changed If a process is running this situation can result in an uncontrolled stop and damage to the installation or the prod uct Befor...

Page 26: ...make this change only when the bolt tongue is not extended and an escape release is not yet mounted In the delivery state the handle module is set either for doors hinged on the right or for doors hinged on the left Based on the example of a handle module for doors hinged on the right this means Ì The guard opens by pressing down the door handle Ì The system is mounted the other way up for doors h...

Page 27: ...n the joint counterclockwise from position a to position b 7 Close cover 8 Screw in locking screws and tighten to 0 8 Nm Fig 16 Changing actuating direction steps 6 to 8 9 10 T10 Fig 17 Changing actuating direction steps 9 and 9 Remove cap AT Unscrew screw 11 M6x65 Screw an M6x65 screw not included into the door handle to re lease the door handle Fig 18 Changing actuating direction step 13 12 Fig ...

Page 28: ...ructions 2500233 04 10 21 15 16 17 2 Nm Fig 21 Changing the actuating direction steps to Place clamping sleeve on handle module pin pay attention to groove A Move handle 90 in clockwise direction and fasten again A Tighten screw to 2 Nm and re fit cap OPEN CLOSED State after changing Fig 22 Changing actuating direction final state ...

Page 29: ...Pay attention to the following measures Ì Seal unused connections using the covers provided Ì Make sure the housing covers are correctly sealed and the cover screws are tightened to the necessary tightening torque Ì Cover the device during painting work 12 Controls and indicators Fig 23 Indicators and control elements LED Description POWER Illuminates if power supply correct Color green STATE Indi...

Page 30: ...ive circuit for inductive loads The outputs must be protected with a free wheeling diode for this purpose RC interference suppression units must not be used Ì Power devices which are a powerful source of interference must be installed in a separate location away from the input and output circuits for signal processing The cable routing for safety circuits should be as far away as possible from the...

Page 31: ... touching the contacts on the underside of the submodule Risk of ESD damage and contact problems due to soiling 13 2 Notes about Important Ì This device is intended to be used with a Class 2 power source in accordance with UL1310 1 As an alternative an LV C Limited Voltage Current power source with the following properties can be used This device shall be used with a suitable isolating source in c...

Page 32: ...ith star wiring Σ Imax IFO1A FO1B n x IUB n x monitoring outputs n x IIMP n Number of connected devices Assignment of the currents to the fuse circuits Current Fuse circuit F1 Fuse circuit F2 IUB 80 mA IOD OT OL OI 4 x max 50 mA Icontrol elements max 10 mA per control element Iindicators max 5 mA per indicator IFO1A FO1B 2 x max 150 mA IIMP Isolenoid 375 mA 13 5 Requirements for connecting cables ...

Page 33: ...ions Safety Systems MGB2 L1 BR MGB2 L2 BR and MGB2 L1 BP MGB2 L2 BP EN 13 6 Notes on cable laying Lay all MGB2 connecting cables in a common cable harness PLC 24 V DC cabinet 0 V MGB2 L FI1A FI1B FO1A FO1B UB 0V IMP IMM Important lay cables in a common harness Fig 24 Stipulated cable laying ...

Page 34: ...5 on guard lock monitoring is deactivated off guard lock monitoring is active usually factory setting 3 on release monitoring is activated off release monitoring is deactivated usually factory setting 6 n c 7 on factory reset on off factory reset off 8 on configuration possible off configuration inhibited factory setting 13 7 1 Changing system family BR BP switching CAUTION Malfunction due to inco...

Page 35: ... Activating guard lock monitoring ON 3 4 6 7 8 5 2 1 ON 3 4 6 7 8 5 2 1 3 Switch on power supply for 5 s The change is confirmed by positive acknowledgment 4 Switch off power supply and set DIP switch 8 to OFF The next time the device is started it operates in the operating mode set 13 7 3 Activating release monitoring NOTICE When release monitoring is active the system enters into a latching faul...

Page 36: ...control system Observe the notes of the control system manufacturer For the pulse duration of your safety switch refer to chapter 16 Technical data on page 50 Ì The inputs on a connected evaluation unit must be positive switching as the two outputs on the safety switch deliver a level of 24 V in the switched on state BR Ì Always connect inputs FI1A and FI1B directly to a power supply unit or to ou...

Page 37: ...locking control for devices with IMM connection Guard locking solenoid operating voltage 24 V DC IMP IMM Guard locking solenoid operating voltage 0 V DC Fig 25 Connection example with IMM connection 13 9 2 Guard locking control for devices without IMM connection Guard locking solenoid operating voltage 24 V DC IMP 0 V Solenoid ground connected internally to 0 V UB Fig 26 Connection example without...

Page 38: ...door is closed and locked On MGB2 I no function X1 7 OI Monitoring output DIA ON when the device is in the fault state X1 8 FO1A Safety output channel A ON when the door is closed and locked interlocked Attention Pay attention to the DIP switch position X2 1 0 V UB BR electronics operating voltage 0 V X2 2 S2 1 2 See the enclosed data sheet for the submodule X2 3 S2 2 2 X2 4 S1 LED X2 5 S2 LED X2 ...

Page 39: ...set DIP switch as per operating instructions 4 X1 8 FO1A Safety output channel A ON when the door is closed and locked interlocked Attention Pay attention to the DIP switch position 5 X2 8 FO1B Safety output channel B ON when the door is closed and locked interlocked Attention Pay attention to the DIP switch position 6 X1 1 UB BR electronics operating voltage 24 V DC 7 X2 7 RST Reset input device ...

Page 40: ...ng Safety Inputs UB 0V UB MGB2 Classic Slot1 UB X1 1 IMP X3 1 FO1A X1 8 FO1B X2 8 OD X1 5 OI X1 7 0V UB X2 1 FI1A X1 2 FI1B X1 3 A1 OL X1 6 OT C X1 4 IMM X3 2 RST X2 7 S1 24V DC 0 V 0 V 24V DC Fig 29 Connection example for separate operation The switches can be reset via the RST input For this purpose a voltage of 24 V permissible tolerances must be con nected to the input for t 3 sec During the t...

Page 41: ... BR CES BR PLC MGB2 L BR 24 V DC cabinet 0 V FI1A FI1B FI1A FI1B FO1A FO1B FI1A FI1B FO1A FO1B UB 0V IMP 0V IMM 1 2 3 4 MGB2 L BR 5 FI1A FI1B FO1A FO1B FI1A FI1B FO1A FO1B UB 0V FO1A FO1B IMP 0V IMM Important lay cables in a common harness Fig 30 Central wiring of a BR switch chain in the control cabinet 13 13 3 Number of devices in switch chains In a pure MGB2 switch chain a maximum of ten device...

Page 42: ...ing on the locking module and re adjust if necessary 3 Insert bolt tongue into the locking module 4 Apply operating voltage to the locking module optionally connect teach in adapter The green LED State flashes quickly approx 5 Hz A self test is performed during this time approx 1 s in case of BP configuration and approx 5 s in case of BR configuration Teach in operation starts green LED State flas...

Page 43: ...eration is enabled 4 Disable operation in the control system and deactivate guard locking The guard must remain locked until there is no longer any risk of injury It must not be possible to start the machine as long as guard locking is deactivated It must be possible to open the guard Repeat steps 2 4 for each guard With inactive guard lock monitoring 1 Switch on operating voltage The locking modu...

Page 44: ... BR and MGB2 L1 BP MGB2 L2 BP 44 translation of the original operating instructions 2500233 04 10 21 15 System states 15 1 Key to symbols LED not illuminated LED illuminated 10 Hz 8 s LED flashes for 8 seconds at 10 Hz 3 x LED flashes three times X Any state ...

Page 45: ...guard lock monitoring normal operation door closed bolt tongue inserted Safety inputs FI1A FI1B are ON Safety outputs FO1A and FO1B are ON OFF closed inserted ON OFF ON ON ON OFF long ON short OFF X X Operation in a BR chain normal operation door closed and locked Safety outputs on the previous device OFF ON closed inserted ON ON ON ON ON OFF X X Operation as separate device normal operation door ...

Page 46: ...r has been detected during normal operation X X X X OFF X X X ON 4 x X X Output error latching e g short circuit loss of switching capability or short circuit at the outputs Short circuits external voltage short circuit on the output or output current too high during power up X X X X OFF X X X ON 4 x long ON X X Output error resettable e g short circuit loss of switching capability or short circui...

Page 47: ...ted Safety outputs FO1A and FO1B are OFF ON With inactive guard lock monitoring normal operation door closed bolt tongue inserted Safety outputs FO1A and FO1B are ON closed inserted ON ON ON ON ON OFF X X Normal operation door closed and locked Teach in standby only for MGB2 unicode X not inserted OFF OFF X OFF OFF OFF 3 x X X Door open device is ready for teach in of another handle module only 3 ...

Page 48: ...l voltage short circuit on the output or output current too high X X X OFF X X X ON 4 x long ON X X Output error resettable e g short circuit loss of switching capability or short circuit at the outputs Short circuits external voltage short circuit on the output or output current too high X X X OFF X X X ON Internal fault e g component fault data error X X X OFF X X X ON long ON 1 x X X Signal seq...

Page 49: ... L2 BR and MGB2 L1 BP MGB2 L2 BP EN 15 4 System status table Slot LED A submodule error is reset automatically as soon as a compatible submodule is installed correctly Fault display SLOT1 LED Meaning Measures OFF A submodule is not used Red ON An incompatible submodule has been installed Install compatible submodule to reset ...

Page 50: ...ual ripple 5 up to V1 0 4 24 15 PELV from V1 0 5 24 15 20 PELV V DC Current consumption IUB at 20 4 V incl FI1A FI1B no load on any outputs 80 mA Operating voltage for guard locking solenoid IMP reverse polarity protected regulated residual ripple 5 up to V1 0 4 24 15 PELV from V1 0 5 24 15 20 PELV V DC Test pulses Guard locking solenoid operating voltage IMP 5 ms Test pulse interval Guard locking...

Page 51: ...ect to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment NOTE This equipment has been tested and found to comply ...

Page 52: ...gue is inserted to the moment when the safety outputs switch on Ton is 80 ms BR Simultaneity monitoring of safety inputs FI1A FI1B If the safety inputs have different switching states for longer than 50 ms the safety outputs FO1A FO1B will be switched off The device switches to the fault state Risk time according to EN 60947 5 3 DIP OFF ON The following applies to active guard lock monitoring If g...

Page 53: ...D State flashes quickly approx 5 Hz in case of BR configuration A self test is performed during this time approx 5 s in case of BR configuration The LED then cyclically flashes three times 3 Close guard and switch on guard locking The system is in normal operation again 17 2 Troubleshooting help on the Internet You will find a help file on troubleshooting under Support in the service area at www e...

Page 54: ...eck the device for proper function at regular intervals and after every fault For information about possible time intervals refer to EN ISO 14119 2013 section 8 2 Regular inspection of the following is necessary to ensure trouble free long term operation Ì Check the switching function see chapter 14 3 Electrical function test on page 43 Ì Check the secure mounting of the devices and the connection...

Page 55: ...55 2500233 04 10 21 translation of the original operating instructions Operating Instructions Safety Systems MGB2 L1 BR MGB2 L2 BR and MGB2 L1 BP MGB2 L2 BP EN 20 Declaration of conformity ...

Page 56: ...Operating Instructions Safety Systems MGB2 L1 BR MGB2 L2 BR and MGB2 L1 BP MGB2 L2 BP 56 translation of the original operating instructions 2500233 04 10 21 ...

Page 57: ...57 2500233 04 10 21 translation of the original operating instructions Operating Instructions Safety Systems MGB2 L1 BR MGB2 L2 BR and MGB2 L1 BP MGB2 L2 BP EN ...

Page 58: ...Operating Instructions Safety Systems MGB2 L1 BR MGB2 L2 BR and MGB2 L1 BP MGB2 L2 BP 58 translation of the original operating instructions 2500233 04 10 21 ...

Page 59: ...59 2500233 04 10 21 translation of the original operating instructions Operating Instructions Safety Systems MGB2 L1 BR MGB2 L2 BR and MGB2 L1 BP MGB2 L2 BP EN ...

Page 60: ...ion 2500233 04 10 21 Title Operating Instructions Safety Systems MGB2 L1 BR MGB2 L2 BR and MGB2 L1 BP MGB2 L2 BP From V1 0 0 translation of the original operating instructions Copyright EUCHNER GmbH Co KG 10 2021 Subject to technical modifications no responsibility is accept ed for the accuracy of this information ...

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