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Application examples

108366_en_01

PHOENIX CONTACT

51 / 69

9.2.3

Series connection with local reset on all safety switches

Application description

Switch chain

The application example shows three PSR-CT safety switches connected in series for mon-

itoring safety equipment. The switch chain is connected to a safety relay. The safety relay 

evaluates the signals of the switch chain and switches connected actuators.

Local manual, monitored 

start

The safety relay is wired for operation with autostart. 

Each safety switch is equipped with a local reset button for manual, monitored start.

If at least one safety equipment item is opened and closed again, the safety function expects 

a reset command locally at the affected switch and at all subsequent switches in the chain.

Notes

Phoenix Contact components used

–

3 x PSR-CT safety switch

–

Safety relay: PSR-MC40-3NO-1DO-24DC-..

WARNING: Loss of functional safety

Make sure that all safety switches and the safety relay have the same ground potential.

WARNING: Risk due to unexpected machine startup

Cross-circuit between output FOA1 and the cable of the reset button can result in auto-

matic machine startup.

•

Avoid cross-circuit between FOA1 and the cable from the reset button by means of 

design measures, e.g., protected cable installation.

•

See fault exclusion according to EN ISO 13849-2.

Also observe the documentation for all other devices used together with the safety switch.

Содержание PSR-CT Series

Страница 1: ...Original operating instructions Non contact safety switch PSR CT...

Страница 2: ...com 108366_en_01 Non contact safety switch PSR CT Designation As of version Order No PSR CT F SEN 1 8 V1 1 0 2702976 PSR CT C SEN 1 8 V1 1 0 2702972 PSR CT M SEN 1 8 V1 1 0 2702975 PSR CT C ACT V1 0 0...

Страница 3: ...1 7 Safety hotline 12 2 Product description and method of operation 13 2 1 Product features 13 2 2 PSR CT components 13 2 2 1 Approved combinations 13 2 2 2 Mounting accessories 14 2 2 3 Optional acce...

Страница 4: ...s 38 5 3 Safety switches with unicode or fixcode sensors 38 5 3 1 Teaching in actuators 39 6 Function test 40 6 1 Performing the function test 40 7 Service and maintenance 42 8 LED status indicators a...

Страница 5: ...ical data for the sensors 57 10 1 3 Technical data for the actuator 60 10 1 4 Safety related characteristics 62 10 1 5 Interface types according to ZVEI classification 62 10 1 6 Approvals 62 10 2 Orde...

Страница 6: ...y required operations and who are able to recognize and avoid any possible dangers Requirements Knowledge of the following topics is required Handling safety components Valid EMC regulations Valid reg...

Страница 7: ...rdous machine operation For intended use comply with the requirements for installation and operation in particular according to the following standards EN ISO 13849 1 Safety related parts of control s...

Страница 8: ...itch in a series con nection with PSR CT safety switches 1 3 3 Product changes Modifications to hardware and firmware of the device are not permitted Incorrect operation or modifications to the device...

Страница 9: ...ct the access to actuators Safety switches and actuators may not be used as a stop Observe EN ISO 14119 Sections 5 2 and 5 3 for attaching safety switches and actua tors Defective devices The devices...

Страница 10: ...from power devices Power devices may represent a major source of interference Remove the input and output circuits for signal processing locally from these sources of interference Ensure the cable ins...

Страница 11: ...e entire machine or system define the safety requirements for the machine or system as well as how to implement them from both a technological and orga nizational perspective 1 4 4 Safety when startin...

Страница 12: ...ons to documentation can be found on the Internet See phoenixcontact net products Also observe the documentation of any additional devices used together with the safety switches 1 7 Safety hotline Sho...

Страница 13: ...al output diagnostic output LED indicators 4 actuation positions 3 travel directions 3 coding types 2 2 PSR CT components The PSR CT safety switch is made up of the following components Sensor with di...

Страница 14: ...umulation 2 2 3 Optional accessories The following accessories are available for easy connection Y distributor for the wiring of Series connection Manual startup behavior Integrated diagnostics via si...

Страница 15: ...ts In the housing the sensor and actuator each has two mounting slots each for mounting to the safety equipment The 3 step mounting slots of the actuator can be used to set the required distance to th...

Страница 16: ...nical data for the sensors on page 57 Protect the power supply with a suitable external fuse See Section Fuse protection for the power supply on page 34 Power supply of actuator The actuator is induct...

Страница 17: ...output Manual monitored start If the sensor does not detect a clock signal from the FO1A FO1B safety outputs at the START input the sensor is in manual monitored start behavior The sensor expects a s...

Страница 18: ...related manner See Section Switching states of the outputs on page 19 Test pulses The safety outputs generate test pulses When switched on When switched off during device start Downstream devices must...

Страница 19: ...r Table 2 2 Switching states Output Safety equipment closed Safety equipment open Actuator within response area Permissible coding Start command present auto start Actuator within response area Permis...

Страница 20: ...in assignment Pin assignment 6 5 4 3 2 1 7 8 START 8 UB 2 0V 7 FI1A 6 FI1B 1 F01A 3 F01B 4 DGN 5 Table 2 3 Pin assignment of the sensor connector Pin Designation Description 1 FI1B Enable input for ch...

Страница 21: ...e assign ment Unicode For the sensor to detect the actuator the actuator must first be assigned to the sensor by means of a learning process See Section Startup on page 38 Teaching in of a new actuato...

Страница 22: ...represents the defined response area of the sensor for safe switching Figure 2 3 Transponder field of the sensor The side lobes of the transponder field may influence the response behavior of the sens...

Страница 23: ...r and actuator are not on one line in the closed state 3 travel directions There are three possible travel directions in each actuation position in which the actuator can approach the sensor Observe t...

Страница 24: ...ED status indicators and switching states on page 43 2 10 Series connection PSR CT safety switches are suitable for operation in a series connection according to EN ISO 14119 If a safety equipment pro...

Страница 25: ...rror in the sensor The DIAG LED lights up red In addition a flashing code of the green STATE LED indicates the type of error See Section LED status indicators and switching states on page 43 Recovery...

Страница 26: ...actuation position according to illustration A B C D Alignment of the sensor and actuator without center offset See Section Actuation positions and travel directions on page 23 The side lobes of the...

Страница 27: ...minimum 2 mm typical Assured release distance Sar 20 mm maximum Repeat accuracy 10 Y direction 7 mm Minimum distance betweenthesensorand actuator in the X direc tion Typical switch on distance 9 mm t...

Страница 28: ...4 mm 1 Position D 3 mm 2 Switching hysteresis 1 mm minimum 2 mm typical Assured release distance Sar 15 mm maxi mum Repeat accuracy 10 Z direction Typical switch on distance At 4 mm distance between...

Страница 29: ...nsors Distance between sensors In order to prevent mutual interference keep a minimum distance of 140 mm between two sensors The minimum distance applies in the following cases Individual wiring of sa...

Страница 30: ...oses Install the connecting cable so that it is protected in areas where high pressure cleaners are used Mounting surface Prepare the mounting surface on the safety equipment appropriately The mountin...

Страница 31: ...he safety equipment 2 Adjust the actuator According to the arrow alignment between the sensor and actuator According to the required distances between the sensor and actuator 3 Tighten the actuator 4...

Страница 32: ...ins switched off WARNING Loss of safety function due to incorrect connection In order to guarantee the safety function observe the following points when connecting the safety switch Always evaluate bo...

Страница 33: ...he Y distributors or cables out of reach of peo ple 4 1 2 UL notes Adhere to the following conditions for use according to cULus requirements1 Use of a power supply with for use in class 2 circuits fe...

Страница 34: ...l data Imax n x IUB IFO1A FO1B n Number of connected switches If you protect the safety switch and evaluation device with a common fuse also observe the requirements of the evaluation device when desi...

Страница 35: ...itches Key Table 4 2 Maximum cable length Number of switches in the chain Supply voltage at the first switch Maximum cable length lmax 20 24 V DC 200 m 30 24 V DC 130 m Maximum cable length between tw...

Страница 36: ...rements on the connecting cables according to Table 4 1 are adhered to Table 4 3 Example table for cable lengths n Maximum number of switches iout mA Possible output current per channel FO1A FO1B l1 m...

Страница 37: ...ction In this example six switches 2 In the selected section search column iout for a current 75 mA In this example 100 mA 3 In the same line read the maximum cable length from the last switch PSR CT...

Страница 38: ...itched off during the learning process The safety switch is in the safe state Requirements The learning process can only be carried out if the safety switch is operating without errors The red DIAG LE...

Страница 39: ...e sensor is performing a self test for 5 s approximately The green STATE LED flashes cyclically 2 x green off long The sensor is ready to learn 3 min when teaching in again unlimited for switches that...

Страница 40: ...1 Performing the function test Proceed as follows to check the safety function of each safety switch on all safety equip ment WARNING Careless installation and function test may result in fatal injuri...

Страница 41: ...ehavior of the safety switch For automatic startup behavior The green STATE LED is permanently on The sensor indicates normal mode with closed safety equipment For manual monitored start behavior The...

Страница 42: ...n error please contact Phoenix Contact Perform the following checks regularly Visual inspection Function test Distance measurement Check the devices and connections for the following among other thing...

Страница 43: ...g STATE LED lights up green 4 Safety equipment closed On Off DIAG LED is off STATE LED lights up green 5 Waiting for start command Off On DIAG LED is off STATE LED regularly flashes green 1 Hz slow fl...

Страница 44: ...indicators and switching states Operating state Switching state LED indicators FO1A FO1B DGN DIAG STATE DIAG STATE DIAG STATE DIAG STATE The LED is off The LED is permanently on The LED flashes regula...

Страница 45: ...ove the cause 2 Open and close the safety equipment If the error is still indicated 3 Restart the safety switch a Disconnect the operating voltage b Apply the operating voltage again If the error cann...

Страница 46: ...llowing notes and requirements Use a common power supply for the controller and the connected safety switch Do not use a clocked power supply for the safety switch Tap the supply voltage directly from...

Страница 47: ...least one safety equipment item is opened and closed again the safety function is reset centrally via the reset button on the switching device Notes Phoenix Contact components used 3 x PSR CT safety s...

Страница 48: ...SEN 1 8 PSR CT C ACT S2 UB START FO1A FO1B DGN 0V FI1B FI1A PSR CT SEN 1 8 PSR CT C ACT S1 S1 S2 S3 Safety switches S4 Central reset button on the switching device FO1A FO1B Safety outputs START Star...

Страница 49: ...east one safety equipment item is opened and closed again the safety function is reset centrally via the reset button of the safety switches Notes Phoenix Contact components used 3 x PSR CT safety swi...

Страница 50: ...SEN 1 8 PSR CT C ACT S2 UB START FO1A FO1B DGN 0V FI1B FI1A PSR CT SEN 1 8 PSR CT C ACT S1 S1 S2 S3 Safety switches S4 Central reset button on the first safety switch FO1A FO1B Safety outputs START St...

Страница 51: ...uipment item is opened and closed again the safety function expects a reset command locally at the affected switch and at all subsequent switches in the chain Notes Phoenix Contact components used 3 x...

Страница 52: ...SEN 1 8 PSR CT C ACT S2 UB START FO1A FO1B DGN 0V FI1B FI1A PSR CT SEN 1 8 PSR CT C ACT S1 S1 S2 S3 Safety switches S4 S5 S6 Local reset button on the safety switches FO1A FO1B Safety outputs START S...

Страница 53: ...em is opened and closed again the safety function expects a local reset command for the first safety switch All the other safety switches start automati cally after the relevant safety equipment was c...

Страница 54: ...T S2 UB START FO1A FO1B DGN 0V FI1B FI1A PSR CT SEN 1 8 PSR CT C ACT S1 S1 S2 S3 Safety switches S4 Central reset button on the first safety switch FO1A FO1B Safety outputs START Start reset input UB...

Страница 55: ...ontroller is equipped with a reset button for manual monitored start The safety switches are wired for operation with autostart If at least one safety equipment item is opened and closed again the saf...

Страница 56: ...PSR CT SEN 1 8 PSR CT C ACT S2 UB START FO1A FO1B DGN 0V FI1B FI1A PSR CT SEN 1 8 PSR CT C ACT S1 24V GND 0V DI1 DI2 DI3 I O Logic SIS FS PLC S1 S2 S3 Safety switches S4 Central reset button at the s...

Страница 57: ...sensor used PSR CT F SEN 1 8 PSR CT C SEN 1 8 PSR CT M SEN 1 8 Fixcode Unicode Multicode Encoding level according to EN ISO 14119 Depending on the sensor used PSR CT F SEN 1 8 PSR CT C SEN 1 8 PSR CT...

Страница 58: ...ss III Pollution degree 3 Rated insulation voltage 300 V maximum Rated surge voltage 1 5 kV maximum Conditional short circuit current 100 A typical Switching frequency 1 Hz maximum Supply Supply volta...

Страница 59: ...rt circuit proof Yes Output voltage UB 1 5 V minimum HIGH UB maximum HIGH 0 V DC minimum LOW 1 V DC maximum LOW Current IDGN 1 mA minimum 50 mA maximum Times Switch on delay 5 s typical after switchin...

Страница 60: ...ort 40 C 70 C Mounting Mounting position Active surface opposite of the sensor Mounting type Not flush Minimum distance 140 mm between two safety switches 7 mm between sensor and actuator when traveli...

Страница 61: ...cy 10 Additional values Table 3 1 Minimum distances and switching distances in Section Positioning and distances on page 26 Switching distances actuation position C D when traveling in X direction Swi...

Страница 62: ...rding to EN ISO 13849 1 2015 Category 4 Performance level e Duration of use 240 months Safety related characteristics for IEC 61508 SIL 3 PFHD 6 x 10 10 1 h Source drain Interface type Additional meas...

Страница 63: ...CT M SEN 1 8 2702975 1 Actuator for contact free safety switch Coded Compatible with all sensor coding types PSR CT C ACT 2702973 1 Accessories Description Type Order No Pcs Pkt Dummy plugs for each P...

Страница 64: ...Typical switch on distance Styp Typical distance for switching on safety outputs Switching hysteresis Defined distance range in which the sensor detects the actuator but does not initiate a switching...

Страница 65: ...the sensor the safety outputs are switched off when the risk time has elapsed at the latest If several safety switches are operated in a series connection the risk time of the entire switch chain inc...

Страница 66: ...ur exempt de licence contenu dans le pr sent appareil est conforme aux CNR d Innovation Sciences et D veloppement conomique Canada applicables aux ap pareils radio exempts de licence L exploitation es...

Страница 67: ...n of the sensors increased Reference to Appendix A 3 FCC IC conformity in Section 1 5 Directives and standards added Picture frame for Figure 2 4 and Figure 2 5 inserted Risk time according to EN 6094...

Страница 68: ...products in your specific application in particular with regard to observing the applicable standards and regulations All information made available in the technical data is supplied without any accom...

Страница 69: ...tion It can be downloaded at phoenixcontact net products Subsidiaries If there are any problems that cannot be solved using the documentation please contact your Phoenix Contact subsidiary Subsidiary...

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