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EUCHNER CTA-L1 Operating Instructions Manual Download Page 11

11

2537376-01-04/21 (translation of the original operating instructions)

Operating Instructions

Transponder-Coded Safety Switch CTP/CTA-L1/2-BR

EN

6.4.3.  Guard locking on version CTP/CTA-L1 and control via IO-Link communication

(guard locking actuated by spring force and released by power-ON)

Activating guard locking:

 close guard; no auxiliary voltage at the solenoid and set bit CL.

Releasing guard locking:

 apply auxiliary voltage to the solenoid and clear bit CL.

The spring-operated guard locking functions in accordance with the closed-circuit current principle. If the auxiliary voltage 

is interrupted at the solenoid, the guard locking remains active and the guard cannot be opened directly.

Important!

If the guard is open when the power supply is interrupted and is then closed, guard locking is activated. 

This can lead to persons being locked in unintentionally.

The actuator cannot be pulled out of the switch and the guard is locked as long as the guard locking pin is extended.
If the auxiliary voltage is applied to the guard locking solenoid, the guard locking pin is retracted and the actuator is released. 

The guard can be opened.

6.4.4.  Guard locking on version CTP/CTA-L2 and control via IO-Link communication

(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 strict assessment 

of the accident risk (see EN ISO 14119:2013, section 5.7.1)!

Activating guard locking:

 apply auxiliary voltage to the solenoid and set bit CL.

Releasing guard locking:

 disconnect auxiliary voltage from the solenoid and clear bit CL.

The magnetically actuated guard locking operates in accordance with the open-circuit current principle. If the auxiliary voltage 

is interrupted at the solenoid, the guard locking is released and the guard can be opened directly! 
The guard can be opened as long as no auxiliary voltage is applied to the guard locking solenoid.
If the auxiliary voltage is applied to the guard locking solenoid, the guard locking pin is held in the extended position and 

the guard is locked.

6.5. 

Switching states

The detailed switching states for your switch can be found in the system status table (see chapter 

13. System status table 

CTP/CTA-L1/2-BR on page 37)

. All safety outputs, signals and display LEDs are described there.

6.5.1.  Switching states on version CTP/CTA-L1/L2

Guard closed and locked

UA

0V

Guard closed and not locked

IMP

IMM

Guard open 

IMP

IMM

Voltage at guard locking solenoid CTP/

CTA-L1

off

on

(irrelevant)

Voltage at guard locking solenoid CTP/

CTA-L2

on

off

(irrelevant)

Safety outputs FO1A and FO1B 

 

on

off

off

Guard locking signal OL

on

off

off

Door position signal OD 

on

on

off

Summary of Contents for CTA-L1

Page 1: ...EN Operating Instructions Transponder Coded Safety Switch With Guard Locking CTP CTA L1 2 BR Unicode Multicode ...

Page 2: ...ion connection C 10 6 3 Version CTP CTA Extended 10 6 4 Guard locking 10 6 4 1 Guard locking on version CTP CTA L1 10 6 4 2 Guard locking on version CTP CTA L2 10 6 4 3 Guard locking on version CTP CTA L1 and control via IO Link communication 11 6 4 4 Guard locking on version CTP CTA L2 and control via IO Link communication 11 6 5 Switching states 11 6 5 1 Switching states on version CTP CTA L1 L2...

Page 3: ...Y distributor for series connection with IO Link communication 26 10 12 Connection of a single CTP CTA BR separate operation 27 10 13 Connection of several devices in a switch chain series connection 28 10 13 1 Series connection without IO Link communication 28 10 13 2 Series connection with IO Link communication 28 11 Using communication data 32 11 1 Connection to a BR IO Link Gateway GWY CB 32 1...

Page 4: ...afety switch CTA L1 2 BR 39 14 3 Typical system times 40 14 4 Dimension drawing for safety switch CTP CTA 41 14 4 1 Dimension drawing for safety switch CTP 41 14 4 2 Dimension drawing for safety switch CTA 42 14 4 3 Dimension drawing for connections and variants CTP CTA 43 14 5 Technical data for actuator CTP CTA 44 14 5 1 Dimension drawing for actuator CTP CTA 45 15 Ordering information and acces...

Page 5: ... n e t www Document is available for download at www euchner com DANGER WARNING CAUTION Safety precautions Danger of death or severe injuries Warning about possible injuries Caution slight injuries possible NOTICE Important Notice about possible device damage Important information Tip Useful information 1 4 Supplementary documents The overall documentation for this device consists of the following...

Page 6: ...otection Before the device is used a risk assessment must be performed on the machine e g in accordance with the following standards Ì EN ISO 13849 1 Ì EN ISO 12100 Ì IEC 62061 Correct use includes observing the relevant requirements for installation and operation particularly based on the following standards Ì EN ISO 13849 1 Ì EN ISO 14119 Ì EN 60204 1 The safety switch is allowed to be operated ...

Page 7: ...e complete BR device chain as one subsystem during calculation The following calculation method applies to the PFHD value 1 PFHD 1 PFHD ext BR Device 1 n External Evaluation e g PLC PFHD ges PFHD k PFHD ext n k 1 2 PFHD 2 n PFHD n Alternatively the simplified method according to section 6 3 of EN 13849 1 2015 can be used for calculation Control of guard locking for variants with IMP IMM connection...

Page 8: ...afety 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 must be triggered only by actuators designated for this purpose Ì Prevent bypas...

Page 9: ...s are switched off and the DIA LED illuminates red The occurrence of faults is detected at the latest on the next demand to close the safety outputs e g on starting 6 1 Guard lock monitoring All versions feature two safe outputs for monitoring guard locking The safety outputs FO1A and FO1B are switched off when guard locking is released 6 2 Monitoring outputs status bits Depending on version the s...

Page 10: ... locking remains active and the guard cannot be opened directly Important If the guard is open when the power supply is interrupted and is then closed guard locking is activated This can lead to persons being locked in unintentionally The actuator cannot be pulled out of the switch and the guard is locked as long as the guard locking pin is extended If a voltage is applied to the guard locking sol...

Page 11: ...r ON and released by spring force Important Use as guard locking for personnel protection is possible only in special cases after strict assessment of the accident risk see EN ISO 14119 2013 section 5 7 1 Activating guard locking apply auxiliary voltage to the solenoid and set bit CL Releasing guard locking disconnect auxiliary voltage from the solenoid and clear bit CL The magnetically actuated g...

Page 12: ...ard closed and not locked Bit CL UA 0V Guard open Bit CL UA 0V Auxiliary voltage at guard locking solenoid CTP CTA L1 on off on irrelevant Bit CL 0 irrelevant 1 Auxiliary voltage at guard locking solenoid CTP CTA L2 on on off irrelevant Bit CL 1 0 irrelevant Safety outputs FO1A and FO1B on off off Guard locking signal OL on off off Door position signal OD on on off In some product variants the aux...

Page 13: ...se the safety outputs to generate a stop command The guard locking signal OL is switched off the door position signal OD can assume an undefined state Open the guard and close it again after resetting the auxiliary release or auxiliary key release The device will then operate normally again Important Ì The actuator must not be under tensile stress during manual release Ì To prevent tampering the a...

Page 14: ...d or the misuse of the release function must be prevented in the control system Ì The release function meets all other requirements from EN ISO 14119 Ì The emergency release meets the requirements of Category B according to EN ISO 13849 1 2015 Ì Loss of the release function due to mounting errors or damage during mounting Ì Check the release function every time after mounting Ì Observe the notes o...

Page 15: ...gnal OD can assume an undefined state Open the guard and close it again after resetting the escape release The device will then operate normally again 7 4 Wire front release bowden Release via a pull wire Depending on the type of attachment the wire front release can be used as an emergency release or escape release The following applies to non latching wire front releases If the release is to be ...

Page 16: ...e front release ensure that it operates smoothly Ì Observe the min bending radius 100 mm and minimize the number of bends Ì The switch is not allowed to be opened Ì Please observe the notes on the enclosed data sheets 8 Changing the approach direction The approach direction needs to be changed only if the switch is to be approached from the rear Proceed as follows 1 Remove the screws from the safe...

Page 17: ...iameter for CTP devices is 4 mm for CTA devices 5 mm Secure the fixing material against loosening e g by means of medium strength positive screw locking Ì Protect the switch head against damage as well as penetrating foreign objects such as swarf sand and blasting shot etc Ì Observe the min door radii see chapter 14 5 1 Dimension drawing for actuator CTP CTA on page 45 Ì Observe the tightening tor...

Page 18: ...e start Depending on the inertia of the downstream device control system relay etc this can lead to short switching processes Ì The inputs on an evaluation unit connected must be positive switching as the two outputs on the safety switch deliver a level of 24 V in the switched on state Ì All the electrical connections must either be isolated from the mains supply by a safety transformer according ...

Page 19: ...e been tested as per the requirements of UL508 and CSA C22 2 no 14 protection against electric shock and fire 10 2 Safety in case of faults Ì The operating voltage UB and the solenoid operating voltage UIMP are reverse polarity protected Ì The safety outputs FO1A FO1B are short circuit proof Ì A short circuit between FO1A and FO1B is detected by the switch Ì A short circuit in the cable can be exc...

Page 20: ...uire ments Observe the following requirements with respect to the connecting cables For safety switches CTP CTA BR SAB with plug connectors 2 x M12 Parameter Value Unit Conductor cross section min 0 25 mm R max 60 W km C max 120 nF km L max 0 65 mH km Recommended cable type LIYY 8 x 0 25 mm or 5 x 0 34 mm For safety switches CTP CTA BR SA with plug connector M12 8 pin Parameter Value Unit Conducto...

Page 21: ...g into account the voltage drop as a result of the cable resistance see table below with example data and case example SPS PLC l1 l2 lmax 200 m ln umin 24 V 10 un 24 V 20 5 x 0 34 mm2 CTP CTA BR SAB n CES I BR n 1 CES I BR 1 Iout n Max number of switches IFO1A FO1B mA Possible output current per channel FO1A FO1B l1 m Max cable length from the last switch to the control system 5 10 150 25 100 50 8...

Page 22: ...y is connected downstream that consumes 75 mA at each of the two safety inputs This operates over the whole temperature range with a voltage of 19 2 V corresponds to 24 V 20 All the relevant values can now be determined using the example table 1 Select the corresponding section in the column n max number of switches In this case 6 switches 2 In the column IFO1A FO1B possible output current per cha...

Page 23: ...oring of connecting cable 1 2 x M12 X2 5 X1 8 X1 5 X1 6 X1 7 X1 2 X2 4 X2 3 X2 1 X2 2 X1 4 X1 3 X1 1 X 1 1 FI1B Enable input channel B WH X 1 2 UB Electronics operating voltage 24 V DC BN X 1 3 FO1A Safety output channel A GN X 1 4 FO1B Safety output channel B YE X 1 5 OD C Door position monitoring output communication GY X 1 6 FI1A Enable input channel A PK X 1 7 0V Electronics and solenoid opera...

Page 24: ...ge 24 V DC VT 2 FI1A Enable input channel A RD 3 FI1B Enable input channel B GY 4 FO1A Safety output channel A RD BU 5 FO1B Safety output channel B GN 6 UB Electronics operating voltage 24 V DC BU 7 RST Reset input GY PK 8 OD C Door position monitoring output communication GN WH 9 OI Diagnostic monitoring output YE WH 10 OL Guard lock monitoring output GY WH 11 n c BK 12 FE Functional earth must b...

Page 25: ...x1 max 45 Strapping plug 097645 4 pin plug figure similar Y distributor with connecting cable 111696 or 112395 Socket Plug Socket Pin Function X2 1 UB X2 2 FO1A X2 3 0VUB X2 4 FO1B X2 5 Pin Function X3 1 UB X3 2 FI1A X3 3 0VUB X3 4 FI1B X3 5 Connector assignment for safety switch CTP CTA L1 2 BR plug X1 8 pin plug and Y distributor 8 pin socket Pin Function X1 1 FI1B X1 2 UB X1 3 FO1A X1 4 FO1B X1...

Page 26: ...stributor with connecting cable 158192 or 158193 Socket Plug Socket Pin Function X2 1 UB X2 2 FO1A X2 3 0VUB X2 4 FO1B X2 5 C Pin Function X3 1 UB X3 2 FI1A X3 3 0VUB X3 4 FI1B X3 5 C Connector assignment of safety switch CTP CTA L1 2 BR 8 pin plug and Y distributor 8 pin socket Pin Function X1 1 FI1B X1 2 UB X1 3 FO1A X1 4 FO1B X1 5 C X1 6 FI1A X1 7 0VUB X1 8 n c 15 45 42 44 14 5 18 M12x1 M12x1 1...

Page 27: ... connection Ì To ensure safety both safety outputs FO1A and FO1B must always be evaluated Important Ì The example shows only an excerpt that is relevant for connection of the CTP CTA system The example illustrated here does not show complete system planning The user is responsi ble for safe integration into the overall system Detailed application examples can be found at www euchner com Simply ent...

Page 28: ...e other with the aid of pre assembled connecting cables and Y distributors If a safety door is opened or if a fault occurs on one of the switches the system shuts down the machine The series connection can also be realized via additional terminals in a control cabinet The safety outputs are permanently assigned to the respective safety inputs of the downstream switch FO1A must be routed to FI1A an...

Page 29: ...or Monitoring Safety Inputs Monitoring Outputs Diagnostic Locking active Read Head Actuator FI1A X1 6 FI1B X1 1 B2 UB X1 2 IMP X2 4 IMM X2 1 RST X1 8 0 V UB X1 7 OD X2 2 FO1A X1 3 FO1B X1 4 OL C X1 5 NC X2 5 OI X2 3 Safety Outputs Door Monitoring Safety Inputs Monitoring Outputs Diagnostic Locking active Read Head Actuator FI1A X1 6 FI1B X1 1 B3 UB X1 2 IMP X2 4 IMM X2 1 RST X1 8 0 V UB X1 7 OD X2...

Page 30: ...toring Safety Inputs Monitoring Outputs Diagnostic Locking active Read Head Actuator FI1A X1 6 FI1B X1 1 B3 UB X1 2 IMP X2 4 IMM X2 1 RST X1 8 0 V UB X1 7 OD X2 2 FO1A X1 3 FO1B X1 4 OL C X1 5 NC X2 5 OI X2 3 Y distributor 1 FI1B 6 FI1A 5 NC 7 0V UB 2 UB 3 FIOA 4 FO1B 8 RST 1 UB 3 0V UB 5 RST 2 FI1A 4 FI1B 1 UB 3 0V UB 5 RST 2 FO1A 4 FO1B 1 2 F3 1 2 F1 13 14 S1 1 2 F2 13 14 S2 1 FI1B 6 FI1A 5 NC 7...

Page 31: ...puts Diagnostic Locking active Read Head Actuator FI1A X1 6 FI1B X1 1 B1 UB X1 2 IMP X2 4 IMM X2 1 RST X1 8 0 V UB X1 7 OD X2 2 FO1A X1 3 FO1B X1 4 OL C X1 5 NC X2 5 OI X2 3 BR Evaluation unit IO Link Y distributor IO Link 1 FI1B 6 FI1A 8 NC 7 0V UB 2 UB 3 FIOA 4 FO1B 5 OD C 1 UB 3 0V UB 5 Ox C 2 FI1A 4 FI1B 1 UB 3 0V UB 5 Ox C 2 FO1A 4 FO1B Y distributor IO Link 1 FI1B 6 FI1A 8 NC 7 0V UB 2 UB 3 ...

Page 32: ... Gateway GWY CB on page 32 the device can be used for connecting two monitored single or dual channel sensor circuits The sensor circuits evaluate various signaling devices Ì Sensor circuit S1 with short circuit detection suitable for single or dual channel safety sensors Ì Sensor circuit S2 suitable for OSSD signals short circuit detection by signaling device When at least one sensor circuit is i...

Page 33: ...11 Number of switching cycles Solenoid 3 Additional All 18 10010 12 Send current error code 1 Error All 19 10011 13 Send last error code 1 Error All 20 10100 14 Request of size of error log 1 Error All 21 10101 15 Send error with number 1 Error All 22 10110 16 Send detected tag code 5 Transponder All 23 010111 17 Send taught tag code 5 Transponder All 24 011000 18 Send blocked tag code 1 5 Transpo...

Page 34: ...the input signals This normally can be set up by parameter assignment in the control system Observe the notes of the control system manufacturer For the pulse duration of your safety switch refer to chapter 14 Technical data on page 38 A detailed example of connecting and setting the parameters of the control system is available for many devices at www euchner com in the area Downloads Application...

Page 35: ...ies above all teach in with series connections and on large installations Important Ì The teach in operation can be performed only if the device does not have any internal fault Ì Devices in the condition as supplied remain in teach in standby state until they have successfully taught in the first actuator Once taught in switches remain in the teach in standby state for ap prox 3 min after each sw...

Page 36: ...nal check make sure that there are no persons in the danger zone Ì Observe the valid accident prevention regulations 12 3 1 Mechanical function test The actuator must slide easily into the actuating head Close the guard several times to check the function For devices with mechanical release emergency release or escape release the correct function of the release must be checked as well 12 3 2 Elect...

Page 37: ... acknowledgment after completion of teach in operation Fault display X off x x 1 x or 1 x in verse Error in the teach in operation only unicode Actuator removed from the actuating range prior to the end of the teach in operation or faulty actuator detected X off off off 2 x Input fault e g missing test pulses illogical switch state from previous switch in the switch chain X off off off 3 x Read er...

Page 38: ...ion IUB 40 mA The following applies to the approval according to UL Operation only with UL Class 2 power supply or equivalent measures Switching load acc to UL DC 24 V class 2 External fuse operating voltage UB 2 0 25 8 A External fuse solenoid operating voltage UIMP 2 0 5 8 A Rated insulation voltage Ui 50 V Rated impulse withstand voltage Uimp 0 5 kV Rated conditional short circuit current 100 A...

Page 39: ...n Actuating extraction retention force at 20 C 10 20 20 N Locking force Fmax 1 8 000 N Locking force FZh 1 acc TÜV Süd FZh Fmax 2 4 000 N Weight Approx 0 95 kg Connection 2 plug connectors M12 5 and 8 pin 1 plug connector RC18 19 pin Operating voltage UB reverse polarity protected regulated residual ripple 5 24 15 PELV V DC Current consumption IUB 40 mA The following applies to the approval accord...

Page 40: ...he time from the moment when the guard is locked to the moment when the safety outputs switch on Simultaneity monitoring of enable inputs FI1A FI1B If the enable inputs have different switching states for longer than a specific time the safety outputs FO1A and FO1B will be switched off The device switches to the fault state Risk time according to EN 60947 5 3 The risk time is the maximum time unti...

Page 41: ...witch CTP 44 74 94 35 40 14 144 30 40 34 h Z 0 5 16 C B A 0 5 42 33 10 190 16 5 M12x1 41 5 37 5 X1 X2 Auxiliary release 5 3 4x 1 4 Nm for screw M5x35 mm DIN 1207 ISO 4762 Basic position for escape release Release by pressing With escape release M23x1 24 Version with plug connector M23 RC18 Version with plug connectors 2 x M12 Locking screw LEDs The actuator shaft for the escape release can be exte...

Page 42: ... 40 0 5 B C A ca 5 44 74 94 16 37 5 33 190 M12x1 14 42 10 41 5 30 40 34 h 144 44 74 94 14 40 0 5 B C A ca 5 44 74 94 16 Auxiliary release 5 3 4x 6 Nm for screw M5x35 mm DIN 1207 ISO 4762 Basic position for escape release Release by pressing With escape release M23x1 24 Version with plug connector M23 RC18 Version with plug connectors 2 x M12 Locking screw LEDs The actuator shaft for the escape rel...

Page 43: ...A L1 2 BR EN 14 4 3 Dimension drawing for connections and variants CTP CTA 60 Cable outlet C Cable outlet A 36 Cable outlet C Cable outlet A Plug connectors 2 x M12 Plug connector M23 19 39 20 5 max 50 38 25 25 21 5 38 25 39 32 4 With auxiliary key release With wire front release With release automatic return With emergency release ...

Page 44: ...iber reinforced plastic Weight 0 03 0 06 depending on version kg Ambient temperature 20 55 C Degree of protection IP65 IP67 IP69 IP69K Mechanical life 1 x 106 Locking force Fmax FZH ISO 14119 FZH TÜV Süd Straight actuator 165497 black 1 126015 red Hinged actuator Bent actuator 8 000 3 900 2 600 1 500 3 000 2 000 1 100 4 000 N Installation orientation Any Power supply Inductive via read head 1 Poss...

Page 45: ... 5 1 Dimension drawing for actuator CTP CTA Dimension drawing Min door radius mm Order no item Straight actuators 17 20 11 18 30 4 4 18 45 8 5 2 2 5 9 Color red R 3 0 0 R 14 00 R 1 200 16 A A 0 5 29 5 37 5 4 4 max 28 35 4 1 20 A A 0 5 126015 A C H G SST 126015 Only for CTA 30 18 45 17 20 11 18 5 6 2 5 2 9 8 5 Color black 165497 A C H G SSS 165497 ...

Page 46: ...ing instructions 2537376 01 04 21 Dimension drawing Min door radius mm Order no item Bent actuators 8 5 2 12 45 2 5 9 18 30 52 4 4 37 5 1 25 16 45 bent upward R 30 0 0 0 4 1 R 0 0 2 1 R 16 A A 0 5 4 4 8 35 5 max 28 36 4 1 A A 0 5 122667 A C H W SST 122667 37 5 5 25 4 4 bent downward 122668 A C H W SST 122668 ...

Page 47: ... 40 50 14 5 5 8 5 3 25 35 45 16 4 5 5 R 2 0 0 40 0 5 33 5 1 max 28 X 4 1 X 53 mm 122671 122672 X 49 mm 122669 122670 0 5 122671 A C H RL LS 122671 35 45 122672 A C H RR LS 122672 40 50 5 5 28 8 5 13 2 27 45 16 18 30 27 16 0 5 20 R 2 0 0 max 28 X 4 1 X 41 mm 122673 122674 X 45 mm 122675 122676 0 5 122675 A C H RO LS 122675 27 16 0 5 7 max 28 R 2 0 0 X 4 1 X 41 mm 122673 122674 X 45 mm 122675 122676...

Page 48: ...ed Ì Check 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 12 3 Functional check on page 36 Ì Check all additional functions e g escape release lockout ba...

Page 49: ...of the Low voltage directive 2014 35 EU and EMC Directive 2014 30 EU comply with article 3 1 of the Radio equipment directive Les objectifs de sécurité de la Directive basse tension 2014 35 UE et Directive de CEM 2014 30 EU sont conformes à l article 3 1 de la Directive équipement radioélectrique Gli obiettivi di sicurezza della Direttiva bassa tensione 2014 35 UE e Direttiva CEM 2014 30 UE sono c...

Page 50: ...ktrotechnik Fachbereich ETEM Gustav Heinemann Ufer 130 50968 Köln Genehmigung der umfassenden Qualitätssicherung UQS durch die benannte Stelle 0035 Approval of the full quality assurance system by the notified body 0035 Approbation du système d assurance qualité complet par l organisme notifié 0035 Approvazione del sistema di garanzia di qualità totale da parte dell organismo notificato 0035 Aprob...

Page 51: ...51 2537376 01 04 21 translation of the original operating instructions Operating Instructions Transponder Coded Safety Switch CTP CTA L1 2 BR EN ...

Page 52: ...hner com Edition 2537376 01 04 21 Title Operating Instructions Transponder Coded Safety Switch CTP CTA L1 2 BR translation of the original operating instructions Copyright EUCHNER GmbH Co KG 04 2021 Subject to technical modifications no responsibility is accept ed for the accuracy of this information ...

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