Pilz PNOZ X2.1, Operating Manual

Page 1: ...PNOZ X2 1 Operating Manual 1003354 EN 08 Safety relays ...

Page 2: ...enta tion 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 means...

Page 3: ...and liability 6 Disposal 6 For your safety 6 Unit features 7 Safety features 7 Block diagram terminal configuration 7 Function Description 8 Operating modes 8 Timing diagram 8 Installation 9 Wiring 9 Preparing for operation 10 Operation 11 Status indicators 12 Faults Interference 12 Dimensions in mm 12 Technical details 13 Safety characteristic data 16 Supplementary data 16 Service life graph 17 O...

Page 4: ...ularly 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...

Page 5: ...ICE 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 Safety assessment Before us...

Page 6: ...owledge of the generic and specialist standards 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 be...

Page 7: ...res 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 PNOZ X2 1 Insulation between the non marked area and the relay cont...

Page 8: ...Operating modes Single channel operation No redundancy in the input circuit earth faults in the start and input circuit are detected Dual channel operation with detection of shorts across contacts Redundant input circuit detects PNOZ X2 1 earth faults in the start and input circuit short circuits in the input circuit Shorts across contacts in the input circuit Automatic start Unit is active once t...

Page 9: ...n mode interferences the measures described in EN 60204 1 must be executed This includes the separate routing of cables of the control circuits input start and feedback loop from other cables for energy trans mission or the shielding of cables for example Adequate protection must be provided on all output contacts with capacitive and inductive loads Do not switch low currents using contacts that h...

Page 10: ...for approx 1 minute Preparing for operation Supply voltage AC DC A1 A2 L1 N A1 A2 L L Input circuit Single channel Dual channel with detection of shorts across contacts E STOP S1 S22 S21 S12 S11 L A1 S1 S22 S21 S12 S11 Safety gate S1 S22 S21 S12 S11 L A1 S1 S2 S12 S11 S22 S21 NOTICE With single channel wiring the safety level of your machine plant may be lower than the safety level of the unit see...

Page 11: ...al contact on the relay cannot be tested automatically Depending on the operational environment measures to detect the non opening of switching elements may be required under some circumstances When the product is used in accordance with the European Machinery Directive a check must be carried out to ensure that the safety contacts on the relay outputs open correctly Open the safety contacts switc...

Page 12: ...Interference Earth fault The supply voltage fails and the safety contacts open Once the cause of the respective 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 sup...

Page 13: ... 5 ms Inputs Number 2 Voltage at Input circuit DC 24 V Start circuit DC 24 V Feedback loop DC 24 V Current at Input circuit DC 25 mA Start circuit DC 30 mA Feedback loop DC 30 mA Min input resistance at power on 21 Ohm Max overall cable resistance Rlmax Single channel at UB DC 50 Ohm Single channel at UB AC 150 Ohm Dual channel with detection of shorts across con tacts at UB DC 15 Ohm Dual channel...

Page 14: ...esistive With current 6 A Pilot Duty C300 R300 External contact fuse protection safety contacts In accordance with the standard EN 60947 5 1 Max melting integral 240 A s Blow out fuse quick 6 A Blow out fuse slow 4 A Blow out fuse gG 6 A Circuit breaker 24V AC DC characteristic B C 4 A Conventional thermal current 6 A Contact material AgSnO2 0 2 µm Au Times Switch on delay With automatic start typ...

Page 15: ...35 mm Airgap creepage In accordance with the standard EN 60947 1 Overvoltage category III II Pollution degree 2 Rated insulation voltage 250 V Rated impulse withstand voltage 4 kV Protection type Housing IP40 Terminals IP20 Mounting area e g control cabinet IP54 Mechanical data Mounting position Any Mechanical life 10 000 000 cycles Material Bottom PPO UL 94 V0 Front ABS UL 94 V0 Top PPO UL 94 V0 ...

Page 16: ... CL value in accordance with EN 62061 corresponds to the SIL value in accord ance with EN 61508 TM is the maximum mission time in accordance with EN ISO 13849 1 The value also ap plies as the retest interval in accordance with EN 61508 6 and IEC 61511 and as the proof test interval and mission time in accordance with EN 62061 All the units used within a safety function must be considered when calc...

Page 17: ...The wear is mainly caused by the electrical load the mechanical load is negli gible Number of cycles x 1000 Switching current A Example Inductive load 0 2 A Utilisation category AC15 Contact service life 4 000 000 cycles Provided the application to be implemented requires fewer than 4 000 000 cycles the PFH value see Technical details can be used in the calculation To increase the service life suf...

Page 18: ...s meet 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 19: ...g energy efficient products and environmentally friendly solutions We are represented internationally Please refer to our homepage www pilz com for further details or contact our headquarters Headquarters Pilz GmbH Co KG Felix Wankel Straße 2 73760 Ostfildern Germany Telephone 49 711 3409 0 Telefax 49 711 3409 133 E Mail info pilz com Internet www pilz com CECE CHRE CMSE InduraNET p Leansafe Maste...