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Fiessler AKAS-3F, Operating Instructions Manual

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Fiessler AKAS-3F Operating Instructions Manual Download Page 4

4

Indicator lights on Frontpanel and switche for safe operation  

Doku Nr. 988 Stand 3.2.2016 / Aui

Muting

E2

E4

E6

Ausricht-

kontrollen

P1

P2

Fiessler Elektronik - Kastellstrasse 9 - D 73734 Esslingen - Tel.: 0711/9196970 

Empfänger / 

Receiver

Typ: AKAS®-3M

OSSD1
OSSD2

OSSD1
OSSD2

SP

SGA

SGO

SGS

Kastenbiegen

box-bending

FIESSLER

 

E L E K T R O N I K

off

on

FUS

FUO

Adjustment

Typ 4

EN 61496

1

3

4

5

6

Indicator lights 
for

 in- and outputs

(see page 47)

Inputs for press start / stop
 (release of closing stroke)

Input for safety point

Output for demand for slow speed

Input for position control in slow speed

view of the receiver elements

AKAS®-3M

1.2

2

14h

13h

12h

11h

10h

9h

8h

7h

6h

5h

4h

3h

2h

1h

1
2
3

5v

4v

3v

2v

1v

6v

1

SP

SGA

SGO

SGS

FUS

FUO

6

ajustment controll-Leds of the receiver elements E2, E4, E6
LEDs are on if the beam does focus at all (see page 26)
ajustment controll-Leds P1, P2 for self-acting ajustment 
after tool change
 LEDs are of if the beam does focus at all (see page 26)
integrated mutinglamp 
lamp is on if the protective field of the AKAS is not activated 
lamp is flashing if EDM- or SP-input-signals are wrong 
(see page 47)
LEDs for safety outputs  (OSSDs, Fail-Safe PNP)
red LEDs are on if the OSSDs are in OFF status
green LEDs are on if the OSSDs are in ON status
LED is on if box bending funktion is activated

E1
E2

E3

P2

E6

E5

bendingline

P1

E4

connector plug

dip-switches (see page 19)

view after removing the
connection lid on the recei-
ver support

1

2

3

4

5

FIESSLER

 

E L E K T R O N I K

Summary of Contents for AKAS-3F

Page 1: ... 14 1 2 3 4 5 6 7 8 9 10 11 12 13 NLW 13 SGA 12 SP 11 SGO 10 SGS 9 FUO 8 FUS 7 Ub Transmitter 6 Ub Transmitter 5 RS 232 GND 4 Ub 0V 3 Ub 24VDC 2 Erde 1 26 RS 232 out 25 KAST 24 OSSD2 23 OSSD1 22 RXOK2 21 RXOK1 20 HUSP 19 S_EU2K 18 NA3 17 NA2 16 NA1 15 EDMO 14 EDMS Steckerbelegung Connections Muting OSSD1 OSSD2 OSSD1 OSSD2 off on DOK 982 Muting E2 E4 E6 Ausricht kontrollen P1 P2 Fiessler Elektronik...

Page 2: ...ditional safety PLC 32 Functions Terminals 32 Connection 33 6 4 AKAS LCM operation only with additional safety PLC 34 Functions Terminals 34 Connection 35 6 5 AKAS 3F AKAS IIF AKAS LCF with additional safety functions operation also without additional safety PLC 36 Functions Terminals 36 Connection example safety monitoring of the machine by AKAS F 39 6 5 1 AKAS F selectable Safety functions 40 1 ...

Page 3: ...s OSSDs Fail Safe PNP red LEDs are on if the OSSDs are in OFF status green LEDs are on if the OSSDs are in ON status LED is on if box bending funktion is activated SP SGA SGO SGS RXOK2 RXOK1 NLW NA1 NA3 NA2 FUS FUO EDMO EDMS 6 view after removing the lid on the receiver view of the receiver elements 1 1 0 8 0 8 0 8 0 8 2 14v 13v 12v 11v 10v 9v 8v 7v 6v 5v 4v 3v 2v 1v 1 2 3 14h 13h 12h 11h 10h 9h 8...

Page 4: ...1h 10h 9h 8h 7h 6h 5h 4h 3h 2h 1h 1 2 3 5v 4v 3v 2v 1v 6v 1 SP SGA SGO SGS FUS FUO 6 ajustment controll Leds of the receiver elements E2 E4 E6 LEDs are on if the beam does focus at all see page 26 ajustment controll Leds P1 P2 for self acting ajustment after tool change LEDs are of if the beam does focus at all see page 26 integrated mutinglamp lamp is on if the protective field of the AKAS is not...

Page 5: ...of protective grids or doors and emergency off circuits Inputs for press start stop release of closing stroke Input for stop contactor control Input for safety point Output for demand for slow speed Input for position control in slow speed 6 II F E1 E2 hex switch 4 hex switch 3 hex switch 2 hex switch 1 see page 45 46 view after removing the lid on the receiver E2 E3 E1 bendingline P1 P2 connector...

Page 6: ...demand for slow speed Input for position control in slow speed SP SGA SGO SGS FUS FUO 6 E2 E3 E1 bendingline P1 P2 connector plug dip switches see page 19 view after removing the connection lid on the receiver support ajustment controll Leds of the receiver elements E1 E2 E3 LEDs are on if the beam does focus at all see page 26 ajustment controll Leds P1 P2 for self acting ajustment after tool cha...

Page 7: ...SGS Kastenbiegen box bending FIESSLER E L E K T R O N I K Typ 4 EN 61496 RXOK2 RXOK1 NLW NA1 NA3 NA2 FUS FUO EDMO EDMS Adjustment 26 25 24 23 22 21 20 19 18 17 16 15 14 1 2 3 4 5 6 7 8 9 10 11 12 13 NLW 13 SGA 12 SP 11 SGO 10 SGS 9 FUO 8 FUS 7 Ub Transmitter 6 Ub Transmitter 5 RS 232 GND 4 Ub 0V 3 Ub 24VDC 2 Erde 1 26 RS 232 out 25 KAST 24 OSSD2 23 OSSD1 22 RXOK2 21 RXOK1 20 HUSP 19 S_EU2K 18 NA3 ...

Page 8: ...justment Fiessler Elektronik Kastellstrasse 9 D 73734 Esslingen Tel 0711 9196970 Empfänger Receiver Typ AKAS LC M OSSD1 OSSD2 OSSD1 OSSD2 SP SGA SGO SGS Kastenbiegen box bending FIESSLER E L E K T R O N I K off on Typ 4 EN 61496 FUS FUO 26 25 24 23 22 21 20 19 18 17 16 15 14 1 2 3 4 5 6 7 8 9 10 11 12 13 SGA 12 SP 11 SGO 10 SGS 9 FUO 8 FUS 7 Ub Transmitter 6 Ub Transmitter 5 RS 232 GND 4 Ub 0V 3 U...

Page 9: ...ovement when the movement is interupted with the RXOK outputs 9 Read the operating instructions Qualified Personnel Safety warning A Test putting into operation B Test daily check at least every 24 hours Safety Instructions Please observe always 2 Doku Nr 988 Stand 3 2 2016 Aui The setting must be done in a way that the following test will be passed If either test A or B fails the machine must not...

Page 10: ...insidethebox in fast speed 7 The AKAS does not protect if the machine is only run in the work speed or AKAS will be interrupted during fast speed and the stroke will be continued in work speed if the overrun traverse of the press brake is too long from squeezing during the bending operation if the mutinglamp is constantly on 8 The hazardous state of the machine must be terminated by the sensor fun...

Page 11: ...ent of the machine is stopped before it comes to an injury AKAS meets IEC 61496 Type 4 is self monitoring without additionally wiring easy to adjust after tool changing Operative range for the laser accident preventing light barrier of the AKAS types are press brakes AKAS 3M 3F AKAS IIM IIF equipped with electromotor driven supports for transmitter and receiver for self acting tool change if tools...

Page 12: ...valent or antivalent 1 pair emergency OFF circuit s Stopp contactor control EDMO EDMS data of traverse in slow speed SGW start stop of closing stroke FUS FUO 2 equivalent position control in slow speed SGO SGS selection of box bending KAST safety point SP Outputs 2 1 2 1 1 1 3 Pairs selectable with without 2 selectable with without 1 selectable with without 2 selectable antivalent or equivalent sw...

Page 13: ... provides a reaction time of about 200ms for the machine control and then activated the safety switching outputs for the closing movement OSSDs The OSSDs remain activated as long as the AKAS receives a slow speed message to SGS and SGO within the next 70 ms the selected enhanced tolerance A tolderance en hancement is possible only with the AKAS F systems By twice pressing the foot pedal can also u...

Page 14: ...he machine control and then activated the safety switching outputs for the closing movement OSSDs The OSSDs remain activated as long as the AKAS receives a slow speed message to SGS and SGO within the next 70 ms the selected enhanced tolerance A tolderance en hancement is possible only with the AKAS F systems In the case of bending of very small pieces which must be guided by the fingers the box b...

Page 15: ...support fixings alternate fastening with shifting tenon blocks at the rear side of support housings housing type fastening dimensions 4 4 1 105 173 16 5 55 min 48 max 25 136 mm 13 M 6 x 30 M 8 max 23 mm 76 87 5 30 50 M 6 x 30 50 10 12 2 100 30 32 25 50 Fig 15 1 for tenon blocks M5 with 150 mm positioning range 665 680 mm with 190 mm positioning range 705 720mm bending line lower adjustment screws ...

Page 16: ... fixings alternate fastening with shifting tenon blocks at the rear side of support housings housing type fastening dimensions 4 4 2 105 min 48 max 25 136 mm 13 M 6 x 30 M 8 max 23 mm 76 87 5 30 50 M 6 x 30 50 10 12 2 17 35 24 30 153 101 124 5 29 Fig 16 1 for tnon blocks M5 fastening screws upper adjustment screws lower adjust ment screws with 150 mm positioning range 665 680 mm with 190 mm positi...

Page 17: ...fting tenon blocks at the three side of transmitter and receiver housings housing type fastening dimensions mounting bracket 4 4 3 receiver 248 mm M32 36 mm 170 160 150 123 75 56 25 30 10 6 5 50 6 30 27 M6 20 4 x Senkkopf für M5 M4 27 M4 5 2 5 2 26 Fig 17 1 Fig 17 2 Doku Nr 988 Stand 3 2 2016 Aui transmitter 135 mm connector 30 mm 46 5 37 5 24 10 4 95 5 14 13 5 13 5 13 5 2 10 12 2 24 5 38 5 44 5 3...

Page 18: ... trans mitter receiver Ram Support Support Standard 150 mm 190 mm as option 200 10 mm min 140 mm 167 mm 4 x11 Ø 4xM10 max 155 mm 10 30 50 70 AKAS drawing view from the top fig 18 5 Bild 18 8 200 10 mm min 140 mm max 155 mm 10 30 50 70 AKAS D E C A B Holder for AKAS 3 II order code AKAS AS U optional swiveling adaptor for Holder AKAS AS U order code AKAS AS U S optional Holder for AKAS LC order cod...

Page 19: ...and 3 2 2016 Aui 1 a Overrun traverse measurement b Dip switch adjustment at the support 2 3 Design of the mechanical holders void if Fiessler holders are used Mounting of the holders at the ram 4 5 6 7 Mounting of the AKAS on the holders Connection of the AKAS Selection of the operating mode at the F series Adjustment of the AKAS during first installation Adjustment of the distance of the AKAS fr...

Page 20: ...e 100mm in order to prevent injuriers while closing the press d The existing mechanical guards of the machine must be modified in a way that any by passing of the safety equipment by the operator is not possible Likewise any danger of geeting caught between grids and safety equipment must be excluded Transmitter and receiver of the AKAS must not be subject to mechanical stress e g bottles must not...

Page 21: ...le Wihen pivoting around the longitudinal axis the locknuts of the lo wer M 10 screw at the angle bracket should be unscrewed the other M10 locknuts must be tightened Pay attention to avoid any deformation of the profile By unsrewing the M10 screws fine height adjustment is ena bled Fig 21 5 2 M5 s liding tenon blocks are loca ted in each groove for fastening The adjustment is made with the help o...

Page 22: ...1 9196 970 P1 E2 E3 Ausricht kontrollen 1v 2v 3v 4v 5v 6v 1v 2v 3v 4v 5v 6v Mutingkon takt 1 Vordere Anschluss reihe am Empfänge rsupport Mutingkon takt 2 24V Muting Kanal 1 1h 2h 3h 4h 5h 6h 7h 8h 9h 10h c b a 1h Motor 2h Motor 3h 24V DC 4h 0V DC 5h Ausgang 2 6h Ausgang 1 7h 24V 8h 24V 9h 10h c PE b N a L1 230V AC 15 10 50 Hz Schlüssels chalter Kastenbie gen KB Quittie rung Hintere Anschluss reih...

Page 23: ...wer stop of the support To check this cover the transmitter entire ly Then the receiver should not move further downwards The adjustment mode must be in manual mode s chap 5 8 To guarantee a trouble free operation the mecanical fix tions of both the receiver and the transmitter must be fi xed at solid deformation free plane parallel construc tions at the ram The fastening brackets are designed for...

Page 24: ...lanked covered segment AKAS II Fig 24 3 Ram Ram tool pos 1 tool Pos 2 transm Paper tool tool Fig 24 5 Paper Then the transmitter is carried upwards by pressing the button Sender auf ab transmitter up down This action makes the receiver follow When the highest highest position is reached plea se check whether the receiver is also free LS Frei and whether the transmitting beams meet the recei ver as...

Page 25: ... By tightening the lower M6 adjustment screws that are responsible for the lon gitudinal adjustment the support must be put closer to the bending line The support of the transmitter must be swiveled to the right in the slot The support of the transmitter must be swiveled to the left in the slot The beam hits the target circle at the left tool end at the right tool end the beam edge is lower than t...

Page 26: ...t all transmitter beam does not focus precisely E on P off E partially off P partially on transmitter beam does not focus at all E off P on E2 E4 E6 Ausricht kontrollen P1 P2 Adjustment synchronization transmitter receiver AKAS LC transmitter beam does focus at all transmitter beam does not focus precisely E on E partially off transmitter beam does not focus at all E off E2 E4 E6 Ausricht kontroll...

Page 27: ...mode is started Now the ope rator must check if either the transmitter beam hits the receiver adjustment indicators P do not light up see B1 or if the transmitter beam does not hit the receiver adjustment indicators P light up see B2 B1 This function is required during the first ad justing of the system AKAS II transmitter and AKAS II receiver can be carried upwards or downwards by activating the ...

Page 28: ...nt controls of E2 are about to go out again Now the bending punch or the magnetic lamina touches the superior light beam This is the way how the safe gap to the light barrier elements E1 and E4 of ca 20mm is garanteed Now the AKAS LC is adjusted correctly After having completed the adjustment procedure the tests see page 9 must be carried out Mounting adjustment directions after tool change Adjust...

Page 29: ...speed when the cam switch is opened by the cam and the stroke is started out of the upper dead center of the machine The overrum traverse test is carried out after every voltage reset and must be repeated every 24 hours After the successful overrun traverse test the press must be at first opened for the execution of one bending stroke The ajustment controll LEDs are flashing slowly until the press...

Page 30: ...s between the opeing of the overrun traverse cam switch and the disabling of the OSSDs during the over run traverse test switch over from stopped state into closing state after enabling of the OSSDs 300 ms only with operatiing mode with contactor valve control EDM switch over into slow speed state when the start is carried out within the range of the safety point at SP 1 100 ms after detection of ...

Page 31: ...s directly as possible by the Fail Safe PNP outputs OSSD1 and OSSD2 to keep the overrun traverse as short as possi ble In all operating modes except Foot operated fast motion the AKAS must be disconnected from the power supply switched off The machine control system issues a muting signal with AKAS LC 23mm above the slug and with AKAS II AKAS 3 value according the table 19 1 above the slug Mutings...

Page 32: ...the over run traverse of the press according to the table 19 1 Terminals at the Receiver Nr 1v designation SGO meaning input slow speed position signal level 0V at fast speed 24V at slow speed 2v 3v 4v 5v SGS SP input slow speed position input safety point SGA HUSP output slow speed request output higher mutepoint request AKAS 3M message box bending AKAS IIM 0V at fast speed 24V at slow speed 0V i...

Page 33: ...osition 00 00 Doku Nr 988 Stand 3 2 2016 Aui wiring diagram 1 S 33 safety control e g Safety PLC FPSC monitoring of the clo sing stroke release position monitoring of the slow speed closing stroke val ves contactors valve position monitors foot pedal foot pedal monitoring Ub safety PLC e g FPSC functional ground request by safety PLC e g FPSC 24 V close press 0 V stop press open inputs slow speed ...

Page 34: ... 3 2 2016 Aui 1 2 3 4 5 6 terminals Transmitter Nr 1 designation S meaning Ub transmitter 2 6 S Erde Ub transmitter functional ground Terminals at the Receiver Nr 1 designation Erde meaning functional ground signal level 2 3 4 5 Ub 24VDC Ub 0V power supply voltage power supply voltage RS 232 GND Ub Sender output message State error connection for Ub AKAS transmitter 6 7 8 9 Ub Sender FUS connectio...

Page 35: ...6 Aui wiring diagram 0 S 35 with HEX switch position 00 00 safety control e g Safety PLC FPSC monitoring of the clo sing stroke release position monitoring of the slow speed closing stroke valves contac tors valve position monitors foot pedal foot pedal monitoring Ub safety PLC e g FPSC functional ground request by safety PLC e g FPSC 24 V close press 0 V stop press open inputs slow speed position...

Page 36: ...oring of the mechanical protective grids at the rear and at the sides of the press emergency OFF Monitoring Emergency OFF at the rear and at the front Emergency OFF of the rear stoppers Emergency OFF at the rear and at the front protective grids 36 functions Terminals AKAS 3F IIF receiver transmitter 14v 13v 12v 11v 10v 9v 8v 7v 6v 5v 4v 3v 2v 1v 1 2 3 14h 13h 12h 11h 10h 9h 8h 7h 6h 5h 4h 3h 2h 1...

Page 37: ...top 24V at closing stroke in fast speed 24V if grid is closed i e emergency OFF is not activated 24V if grids are closed 24V if grid is closed i e emergency OFF is not activated 24V if enabled 14v 1h 2h 3h RXOK2 Motor output drive rear stoppers Emerg OFF connector for Motor transmitter support Motor Ub Sender connector für Motor transmitter support connectiion for Ub AKAS transmitter 4h 5h 6h 7h F...

Page 38: ...ed range 24V within slow speed range 0V at fast speed 24V ar slow speed 0V at fast speed 24V at slow speed 0V only slow speed permitted 24V fast slow speed possible 0V if activated by cam switch 24V if not activated by cam switch 0V only slow speed permitted 24V fast slow speed possible 14 15 16 17 EDMS EDMO input monitoring of the Stopvalves input monitoring of the Stopvalves NA1 NA2 input Emerge...

Page 39: ...and slow speed state and requires in fast speed at SGO 24 V and at SGS 0 V in slow speed at SGO 0 V and at SGS 24 V During the switching over from one state into the other state an enhancable switch over time is tolerated see selectable switch over delay enhancement of the valve position monitor Machine Safety monitoring by AKAS F wiring diagram 2 S 39 Sicher heitsventil Eilgang ventil KE Nach sau...

Page 40: ...he hysteresis of the cam switch The maximum allowable overrun traverse must not exceed the value programmed via the dip switch positions in the support of the AKAS 3F and IIF respectively the value of 15 mm with the AKAS LCF This overrun traverse cam must be mounted in a way that the press is in the maximum clo sing speed when the cam switch is opened by the cam and the stroke is started out of th...

Page 41: ...ntact at FUO see wiring diagram 2 S 39 u 5b S 41 The Reset after the disabling and re enabling of the rear protective grid is carried out during the opera tion with EDM by activation of a normally closed contact button which is connected in series to the nor mally closed contactor controls at EDMO see wiring diagram 5a S 41 During the operation without foot pedal monitoring equivalent triggering o...

Page 42: ...ncy OFF 2 Reset button for light grids Protective doors and emergency OFFs and light grid EU2K 500 2 for rear safeguarding at operating mode antivalent protective door control pairs with EDM with monitoring of the foot pedal 24V receiver Reset button for Emergency OFF lateral protective grids Protective doors and emergency OFFs and light grid ULVT TLVT or ULCT TLCT for rear safeguarding at operati...

Page 43: ...cription Wiring diagrams 6 with integrated safety functions 6 5 1 Doku Nr 988 Stand 3 2 2016 Aui NA1 NA3 NA2 EDMO FUO 24V Wiring diagram 8 S 43 Emergency OFF 1 Emergency OFF 2 Reset button for Emergency OFF lateral protective grids and selector switch operation with activated protective field of the AKAS and slow speed closing movement selector not activated operation with only protection by monit...

Page 44: ...c tolerances have the following values Switching over from stopped condition into closing movement after the enabling of the OSSDs 300 ms only with operating mode Monitored EDM Switching over into the slow speed condition when the start is within the range of the safety point SP 24V 100 ms after from the detection of the closing movement consition by the EDM i e 100 ms after the enabling of the OS...

Page 45: ...with without with without without without with without with E F with with without without without with with with without with Hex swit ches 2 and 4 Hex switch positions EDM stop val ves mo nitoring slow speed traverse in formation switching over tolerance enhan cement of the valve position monitors 0 1 without without without without 0 ms 100 ms 2 3 4 5 without without without without without with...

Page 46: ...e lease of clo sing stroke FUS FUO overrun traverse control Monitoring of protective doors Emergency OFF equivalent switching 0 1 without without equivalent equivalent without without without with 2 3 4 5 without without equivalent equivalent with with antivalent antivalent with with without with without without without with 6 7 with with antivalent antivalent with with without with start stop of ...

Page 47: ...IF the RXOK LEDs are not lit activate the RESET Button s If the LEDs still remain dark open and close all other protective doors protective circuits then activate the RESET Button s If the lateral protective doors are closed all other protective doors protective circuits must be equally closed NA1 NA2 NA3 must be lit if the protective door contacts are equivalent If the protective door contacts ar...

Page 48: ...ol Stop at the overrun traver se cam check the equivalent switching lines going FUO and FUS They are evaluated as different see message 63 during overrun traverse test 23 39 43 43 open the press completely in order to quit the safety point range release foot pedal without overrun traverse control overrun traverse OK 51 51 51 51 without EDM rear reset buuton is defec tive or the EDM is not in Stop ...

Page 49: ...ids and all Emer gency OFF buttons so that a possible bad contact is activa ted again open and close again all rear protective grids and all Emer gency OFF buttons so that a possible bad contact is activa ted again if this is displayed again after the voltage reset a verification by Fiessler Elektronik is necessary re enable emergency OFF button 159 163 163 175 no monitoring of the pro tective cir...

Page 50: ...ng of the SGA circuit with another li ne fast speed slow speed signals are faulty in stop status fast speed slow speed signals are faulty in stop status during operation without safety PLC both EDMS and EDMO are at 24 V at the same time in stop ped status The triggering of the SGS and the SGO is antivalent instead of equivalent OSSD error short circuit of the the mu ting lamp line line short circu...

Page 51: ... with the exception of the supports On request by the customer Fiessler Elektronik GmbH Co KG carries out the acceptance test and annual inspections In addition seminars providing customers with training in annual inspections are held at regular intervals Warranty The company Fiessler Elektronik GmbH Co KG refuses to accept any warranty claims if the device has been opened or if it has been modifi...

Page 52: ...c tape Muting lamp white 230V 7W AMS N K UMLW Safety double foot pedal FL2 528ZSD4 U AKAS Foot pedal for box bending function FS2 528ZSD4 U AKAS Ped part designation order code page AKAS mounting kit not swivable with U shaped holder for lateral mounting swiveling adaptor for Holder AKAS AS U AKAS AS U AKAS AS U S 18 18 AKAS LC Mounting Kit not swivable with Holder 2 for mounting at the backfor th...

Page 53: ...ntenance contract existing cost estimate of maintenance contract requested regular inspection requested 1 Inspection machine control by type of control Muting box no detection range m AKAS no machine builder machine type 3 1 correct electric connection 3 2 cables damage free 3 3 strain relief at both sides of cable loop 3 4 cable protected against all mechanical damages by metal sheet 3 5 correct ...

Page 54: ... 13849 1 2008 AC 2009 EN 62061 2005 A1 2013 EN 61496 1 2013 EN 61496 2 2013 EN 12622 2009 A1 2013 following the provisions of Directive 2006 42 EG 2004 108 EG The protection goals of the Low Voltage Directive 2006 95 EC have been com plied with in accordance of Annex I No 1 5 1 of the Machinery Directive déclaration de conformité conforme appendice II 1 A 2006 42 EG Nous Fiessler Elektronik GmbH C...

Page 55: ... of the output contacts the contactor control is checking whether the switching elements connec ted relays contactors or valves have been released A renewed release of the output contacts is only possible if the switching elements connected have been released Thus a dangerous failure of switching elements relays contactors or valves caused by the hazardous motion is prevented After initial operati...

Page 56: ...Fax 49 0 711 91 96 97 50 Email info fiessler de Internet www fiessler de Fiessler Elektronik has respresen tations in all major industrial ti Proximity Laser Scanner Parametricable Saftetycontrol FPSC Press Brake Protection System AKAS AWARD OF APPRECIATION for exemplary performance in the development of the press brake protection system AKAS The award was bestowed upon Fiessler Elektronik by the ...

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