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PNOZ X4

Operating Manual PNOZ X4
19894-EN-07

11

Preparing for operation

Supply voltage

AC

DC

A1
A2

L1
N

FE

A1

A2

L+

L-

Input circuit

Single-channel

Dual-channel

E-STOP

without

 detection of shorts

across contacts

S1

S22

S21

S11

S52

S12

S1

S11

S12

S52

S22

S21

E-STOP

with

 detection of shorts across

contacts

S1

S22

S21

S12

S11

S52

S11

Safety gate

without

 detection of shorts

across contacts

S1

S22

S21

S11

S52

S12

S1

S2

S22

S21

S11

S12

S52

Safety gate

with

 detection of shorts across

contacts

Light guard or safety switch, de-
tection of shorts across contacts
via ESPE (only when U

B

 = 24

VDC)

NOTICE

With single-channel wiring the safety level of your machine/plant may be
lower than the safety level of the unit (see 

Safety characteristic

data [

 30]

).

Summary of Contents for PNOZ X4

Page 1: ...PNOZ X4 Operating Manual 19894 EN 07 Safety relays ...

Page 2: ...cumentation will be gratefully received Source code from third party manufacturers or open source software has been used for some components The relevant licence information is available on the Internet on the Pilz homepage Pilz PIT PMI PNOZ Primo PSEN PSS PVIS SafetyBUS p SafetyEYE SafetyNET p the spirit of safety are registered and protected trademarks of Pilz GmbH Co KG in some countries SD mea...

Page 3: ... 6 Disposal 6 For your safety 6 Unit features 7 Safety features 7 Block diagram terminal configuration 7 Types AC 7 Type DC 8 Function Description 8 Operating modes 8 Timing diagram 9 Installation 9 Wiring 10 Preparing for operation 11 Operation 13 Status indicators 13 Faults Interference 14 Dimensions in mm 14 Technical details 15 Safety characteristic data 30 Supplementary data 30 Service life g...

Page 4: ...ly important is identified as follows DANGER This warning must be heeded It warns of a hazardous situation that poses an immediate threat of serious injury and death and indicates preventive measures that can be taken WARNING This warning must be heeded It warns of a hazardous situation that could lead to serious injury and death and indicates preventive measures that can be taken CAUTION This ref...

Page 5: ...Technical details 15 NOTICE EMC compliant electrical installation The product is designed for use in an industrial environment The product may cause interference if installed in other environments If installed in other environments measures should be taken to comply with the applicable standards and directives for the respective installation site with regard to in terference Safety regulations Saf...

Page 6: ... applicable to the specific application Warranty and liability All claims to warranty and liability will be rendered invalid if The product was used contrary to the purpose for which it is intended Damage can be attributed to not having followed the guidelines in the manual Operating personnel are not suitably qualified Any type of modification has been made e g exchanging components on the PCB bo...

Page 7: ...acts See order reference for unit types Safety features The safety relay meets the following safety requirements The circuit is redundant with built in self monitoring The safety function remains effective in the case of a component failure The correct opening and closing of the safety function relays is tested automatically in each on off cycle Block diagram terminal configuration Types AC Insula...

Page 8: ...t is opened e g E STOP pushbutton operated The LEDs CH1 and CH2 go out Safety contacts 13 14 23 24 and 33 34 are opened redundantly auxiliary contact 41 42 is closed Operating modes Single channel operation No redundancy in the input circuit earth faults in the start and input circuit are detected Dual channel operation without detection of shorts across contacts Redundant input circuit detects PN...

Page 9: ...ut circuit Output safe Safety contacts Output aux Auxiliary contact 1 Automatic start 2 Manual start 3 Monitored start a Input circuit closes before start circuit b Start circuit closes before input circuit t1 Switch on delay t2 Delay on de energisation t3 Recovery time t4 Waiting period with a monitored start Installation The unit should be installed in a control cabinet with a protection type of...

Page 10: ...cally operated reed proximity switches ensure that the max peak inrush current on the input circuit does not overload the proximity switch On 24 VDC devices The power supply must comply with the regulations for extra low voltages with protect ive electrical separation SELV PELV in accordance with VDE 0100 Part 410 Ensure the wiring and EMC requirements of IEC 60204 1 are met Important for detectio...

Page 11: ...detection of shorts across contacts S1 S22 S21 S12 S11 S52 S11 Safety gate without detection of shorts across contacts S1 S22 S21 S11 S52 S12 S1 S2 S22 S21 S11 S12 S52 Safety gate with detection of shorts across contacts Light guard or safety switch de tection of shorts across contacts via ESPE only when UB 24 VDC NOTICE With single channel wiring the safety level of your machine plant may be lowe...

Page 12: ...ety gate dual channel Automatic start Manual start S33 S34 S3 Y37 Y36 S33 S34 S3 Y37 Y36 Monitored start S33 S34 S3 Y37 Y36 S33 S34 S3 Y37 Y36 NOTICE In the event of an automatic start or manual start with bridged start contact fault The unit starts up automatically when the safeguard is reset e g when the E STOP pushbutton is released Use external circuit measures to prevent an unexpected restart...

Page 13: ...L CL 2 PL d at least 1x per year Follow the instructions below Activate the safety function and check whether all the used safety contacts open Prepare for operation again and start the unit All the used safety contacts must be closed again The safety functions may only be checked by qualified personnel Status indicators LEDs indicate the status and errors during operation LED on POWER Supply volt...

Page 14: ...espective fault has been rectified and the supply voltage is switched off for approx 1 minute the unit is ready for operation again Contact malfunctions If the contacts have welded reactivation will not be possible after the input circuit has opened LED POWER does not light Short circuit or no supply voltage Dimensions in mm 45 1 77 121 4 76 75 2 95 87 3 42 ...

Page 15: ... 15 10 15 10 15 10 Output of external power supply AC 5 VA 5 VA Output of external power supply DC 2 5 W Frequency range AC 50 60 Hz 50 60 Hz Residual ripple DC 160 Duty cycle 100 100 100 Max inrush current im pulse Current pulse A1 1 7 A Pulse duration A1 1 5 ms Inputs 774730 774731 774734 Number 2 2 2 Voltage at Input circuit DC 24 V 24 V 24 V Start circuit DC 24 V 24 V 24 V Feedback loop DC 24 ...

Page 16: ... Dual channel with de tection of shorts across contacts at UB AC 100 Ohm 100 Ohm Relay outputs 774730 774731 774734 Number of output con tacts Safety contacts N O instantaneous 3 3 3 Auxiliary contacts N C 1 1 1 Max short circuit current IK 1 kA 1 kA 1 kA Utilisation category In accordance with the standard EN 60947 4 1 EN 60947 4 1 EN 60947 4 1 Utilisation category of safety contacts AC1 at 240 V...

Page 17: ...4 V 24 V 24 V Max current 7 A 7 A 7 A Utilisation category of auxiliary contacts AC15 at 230 V 230 V 230 V Max current 5 A 5 A 5 A DC13 6 cycles min at 24 V 24 V 24 V Max current 7 A 7 A 7 A Utilisation category in ac cordance with UL Voltage 240 V AC G P 240 V AC G P 240 V AC G P With current 8 A 8 A 8 A Voltage 24 V DC Resistive 24 V DC Resistive 24 V DC Resistive With current 5 A 5 A 5 A Pilot ...

Page 18: ...24 V Conv therm current with 1 contact 8 A 8 A Conv therm current with 2 contacts 7 5 A 7 5 A Conv therm current with 3 contacts 6 5 A 6 5 A Ith per contact at UB DC AC1 240 V DC1 24 V Conv therm current with 1 contact 8 A Conv therm current with 2 contacts 8 A Conv therm current with 3 contacts 7 A Times 774730 774731 774734 Switch on delay With automatic start typ 270 ms 210 ms 210 ms With autom...

Page 19: ...mbient temperature Temperature range 10 55 C 10 55 C 10 55 C Storage temperature Temperature range 40 85 C 40 85 C 40 85 C Climatic suitability Humidity 93 r h at 40 C 93 r h at 40 C 93 r h at 40 C Condensation during op eration Not permitted Not permitted Not permitted EMC EN 60947 5 1 EN 61000 6 2 EN 61326 3 1 EN 60947 5 1 EN 61000 6 2 EN 61326 3 1 EN 60947 5 1 EN 61000 6 2 EN 61326 3 1 Vibratio...

Page 20: ...on with screw terminals 1 core flexible 0 2 4 mm 24 10 AWG 0 2 4 mm 24 10 AWG 0 2 4 mm 24 10 AWG 2 core with the same cross section flexible with crimp connectors no plastic sleeve 0 2 2 5 mm 24 14 AWG 0 2 2 5 mm 24 14 AWG 0 2 2 5 mm 24 14 AWG 2 core with the same cross section flexible without crimp connect ors or with TWIN crimp connectors 0 2 2 5 mm 24 14 AWG 0 2 2 5 mm 24 14 AWG 0 2 2 5 mm 24 ...

Page 21: ...V 24 V Start circuit DC 24 V 24 V Feedback loop DC 24 V 24 V Current at Input circuit DC 40 mA 40 mA Start circuit DC 90 mA 90 mA Feedback loop DC 90 mA 90 mA Min input resistance at power on 165 Ohm 165 Ohm Max overall cable resistance Rl max Single channel at UB AC 150 Ohm 150 Ohm Dual channel without detection of shorts across contacts at UB AC 150 Ohm 150 Ohm Dual channel with detection of sho...

Page 22: ...VA DC1 at 24 V 24 V Min current 0 01 A 0 01 A Max current 8 A 8 A Max power 200 W 200 W Utilisation category In accordance with the standard EN 60947 5 1 EN 60947 5 1 Utilisation category of safety con tacts AC15 at 230 V 230 V Max current 5 A 5 A DC13 6 cycles min at 24 V 24 V Max current 7 A 7 A Utilisation category of auxiliary con tacts AC15 at 230 V 230 V Max current 5 A 5 A DC13 6 cycles min...

Page 23: ...SnO2 0 2 µm Au AgSnO2 0 2 µm Au Conventional thermal current while loading several contacts 774735 774736 Ith per contact at UB AC AC1 240 V DC1 24 V Conv therm current with 1 con tact 8 A 8 A Conv therm current with 2 con tacts 7 5 A 7 5 A Conv therm current with 3 con tacts 6 5 A 6 5 A Times 774735 774736 Switch on delay With automatic start typ 210 ms 210 ms With automatic start max 350 ms 350 ...

Page 24: ... during operation Not permitted Not permitted EMC EN 60947 5 1 EN 61000 6 2 EN 61326 3 1 EN 60947 5 1 EN 61000 6 2 EN 61326 3 1 Vibration In accordance with the standard EN 60068 2 6 EN 60068 2 6 Frequency 10 55 Hz 10 55 Hz Amplitude 0 35 mm 0 35 mm Airgap creepage In accordance with the standard EN 60947 1 EN 60947 1 Overvoltage category III II III II Pollution degree 2 2 Rated insulation voltage...

Page 25: ...Width 45 mm 45 mm Depth 121 mm 121 mm Weight 370 g 370 g Where standards are undated the 2014 07 latest editions shall apply Order no 774738 774739 General 774738 774739 Approvals CCC CE EAC Eurasian TÜV cULus Listed CCC CE EAC Eurasian TÜV cULus Listed Electrical data 774738 774739 Supply voltage Voltage 230 V 240 V Kind AC AC Voltage tolerance 15 10 15 10 Output of external power supply AC 5 VA ...

Page 26: ...ance with the standard EN 60947 4 1 EN 60947 4 1 Utilisation category of safety con tacts AC1 at 240 V 240 V Min current 0 01 A 0 01 A Max current 8 A 8 A Max power 2000 VA 2000 VA DC1 at 24 V 24 V Min current 0 01 A 0 01 A Max current 8 A 8 A Max power 200 W 200 W Utilisation category of auxiliary con tacts AC1 at 240 V 240 V Min current 0 01 A 0 01 A Max current 8 A 8 A Max power 2000 VA 2000 VA...

Page 27: ... 1 Max melting integral 240 A s 240 A s Blow out fuse quick 10 A 10 A Blow out fuse slow 6 A 6 A Blow out fuse gG 10 A 10 A Circuit breaker 24V AC DC characteristic B C 6 A 6 A External contact fuse protection auxiliary contacts Max melting integral 240 A s 240 A s Blow out fuse quick 10 A 10 A Blow out fuse slow 6 A 6 A Blow out fuse gG 10 A 10 A Circuit breaker 24 V AC DC characteristic B C 6 A ...

Page 28: ...e 100 ms 100 ms Waiting period with a monitored start 150 ms 150 ms Min start pulse duration with a monitored start 30 ms 30 ms Supply interruption before de ener gisation 20 ms 20 ms Simultaneity channel 1 and 2 max Environmental data 774738 774739 Climatic suitability EN 60068 2 78 EN 60068 2 78 Ambient temperature Temperature range 10 55 C 10 55 C Storage temperature Temperature range 40 85 C 4...

Page 29: ...PPO UL 94 V0 Connection type Screw terminal Screw terminal Mounting type Fixed Fixed Conductor cross section with screw terminals 1 core flexible 0 2 4 mm 24 10 AWG 0 2 4 mm 24 10 AWG 2 core with the same cross sec tion flexible with crimp connect ors no plastic sleeve 0 2 2 5 mm 24 14 AWG 0 2 2 5 mm 24 14 AWG 2 core with the same cross sec tion flexible without crimp con nectors or with TWIN crim...

Page 30: ...fety function s SIL PL values are not identical to the SIL PL values of the units that are used and may be different We recommend that you use the PAScal software tool to calculate the safety function s SIL PL values Supplementary data CAUTION It is essential to consider the relay s service life graphs The relay outputs safety related characteristic data is only valid if the values in the service ...

Page 31: ... 4 000 000 cycles the PFH value see Technical details can be used in the calculation To increase the service life sufficient spark suppression must be provided on all output contacts With capacitive loads any power surges that occur must be noted With DC con tactors use flywheel diodes for spark suppression Order reference Product type Features Connection type Order no PNOZ X4 24 VDC Screw termina...

Page 32: ...eet the requirements of the directive 2006 42 EC for ma chinery of the European Parliament and of the Council The complete EC Declaration of Conformity is available on the Internet at www pilz com support downloads Representative Norbert Fröhlich Pilz GmbH Co KG Felix Wankel Str 2 73760 Ost fildern Germany ...

Page 33: ...ET p the spirit of safety are registered and protected trademarks of Pilz GmbH Co KG in some countries We would point out that product features may vary from the details stated in this document depending on the status at the time of publication and the scope of the equipment We accept no responsibility for the validity accuracy and entirety of the text and graphics presented in this information Pl...

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