E-STOP relays, safety gate monitors
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1 Gertebild ][Bildunterschrift Safety relay for monitoring E-STOP pushbuttons and safety gates. Approvals Unit features Gertemerkmale Positive-guided relay outputs: 2 safety contacts (N/O), instantaneous 2 safety contacts (N/O), delay-on de-energisation Connection options for: E-STOP pushbutton Safety gate limit switch Reset button LED indicator for: Switch status channel 1/2 Supply voltage Reset circuit Delay-on de-energisation, fixed or adjustable Delay time can be cancelled via reset button See order reference for unit types EN and EN ISO is stated in the technical details. Safety features ][Sicherheitseigenschaften Schaltgerät_allgemeiner Teil The 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. Sicherheitseigenschaften Zusatz - Sicherung DC_PNOZ The unit has an electronic fuse. Unit description Bestimmung/Gerätebeschreibung NOT-AUS, Schutz_PNOZ The safety relay meets the requirements of EN , EN and VDE and may be used in applications with E-STOP pushbuttons Safety gates Bestimmung/Gerätebeschreibung_Kategorie_PNOZ The max. category the safety contacts can achieve in accordance with Zulassungen Block diagram Blockschaltbild A1 A2 1 2 S21 S22 S31 S = = Input Input Input K3 K1 Power K4 Reset/ Start Reset/ Start Reset t K2 3 4 S33 S34 Y39 Y
2 ][Zeitdiagram_auto_ueber2_del E-STOP relays, safety gate monitors Function description ][Funktionen_einkanalig_Erd_Start Single-channel operation: no redundancy in the input circuit, earth faults in the reset circuit are detected. ][Funktionen_zweikanalig_mit_quer_ber Dual-channel operation with detection of shorts across contacts: redundant input circuit, detects Timing diagram earth faults in the reset and input circuit, short circuits in the input circuit and, with a monitored reset, in the reset circuit too, shorts between contacts in the input circuit. ][Funktionen_autoStart Automatic start: Unit is active once the input circuit has been closed. ][Funktionen_berStart_Wartezeit Monitored reset: Unit is active once the input circuit is closed and once the reset circuit is closed after the waiting period has elapsed (see technical details). ][Funktionen_Kontaktvervielfachung Increase in the number of available instantaneous safety contacts by connecting contact expansion modules or external contactors. 1 2 POWER Reset/Start Reset t v Input Output safe Output safe del t1 t2 t3 t1 t2 t3 t4 t1 t2 t3 t5 t4 t1 t2 t3 Key Power: Supply voltage Reset/Start: Reset circuit 3-4, S33-S34 Reset t v : Y39-Y40 Input: Input circuits 1-2, S21- S22, S31-S32 Wiring ][Verdrahtung_Si_unverz_verz Please note: Information given in the Technical details must be followed. Outputs 13-14, are instantaneous safety contacts, outputs 37-38, are delay-on de-energisation safety contacts. To prevent contact welding, a fuse should be connected before the output contacts (see technical details). Calculation of the max. cable runs l max in the input circuit: I max = R lmax R l / km R lmax = max. overall cable resistance (see technical details) R l / km = cable resistance/km Output safe: Safety contacts, instantaneous 13-14, Output safe del: Safety contacts, delayed 37-38, : Automatic reset : Monitored reset t 1 : Switch-on delay Use copper wire that can withstand 60/75 C. Sufficient fuse protection must be provided on all output contacts with capacitive and inductive loads. t 2 : Delay-on de-energisation t 3 : Delay time t 4 : Waiting period t 5 : Recovery time -2
3 Preparing for operation Betriebsbereitschaft herstellen Supply voltage Supply voltage AC DC A1 L+ A2 L- Input circuit Input circuit Single-channel Dual-channel E-STOP without detection of shorts across contacts S S22 S32 S31 E-STOP with detection of shorts across contacts S22 1 S32 2 S31 S21 Safety gate without detection of shorts across contacts 2 S21 1 S22 S32 S31 Safety gate with detection of shorts across contacts 1 S22 S21 S2 2 S32 S31
4 Reset circuit Reset circuit Automatic reset E-STOP wiring Safety gate without position monitoring 3 Safety gate with position monitoring S2 Monitored reset S33 S S3 Reset delay time Reset Without reset With reset Link or N/C contact Y39 Y39 Y40 Y40 Feedback loop Feedback loop Automatic reset Monitored reset Contacts from external contactors (23) 14 (24) K5 K6 K5 K6 L1 N S33 S34 13 (23) 14 (24) K5 S3 K6 K5 K6 L1 N Key /S2 S3 E-STOP/safety gate switch Reset button Switch operated Gate open Gate closed -4
5 Terminal configuration Klemenbelegung Installation Dimensions Montage_PNOZ_X The safety relay should be installed in a control cabinet with a protection type of at least IP54. Use the notch on the rear of the unit to attach it to a DIN rail. Ensure the unit is mounted securely on a vertical DIN rail (35 mm) by using a fixing element (e.g. retaining bracket or an end angle). Abmesungen 121 (4.76") 75 (2.95") 87 (3.42") 45 (1.77")
6 Notice ][Wichtig_PDB This data sheet is only intended for use during configuration. Please refer to the operating manual for installation and operation. Service life graph Lebensdauerkurve_Relais_Text vor Kurve The service life graphs indicate the number of cycles from which failures due to wear must be expected. The wear is mainly caused by the electrical load; the mechanical load is negligible. Lebensdauerkurve Lebensdauerkurve_Relais_Text nach Kurve_SIR_SLR Bsp Example Inductive load: 0,2 A Utilisation category: AC15 Contact service life: 4,000,000 cycles Provided the application requires fewer than 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 contactors, use freewheel diodes for spark suppression. ][Technische Daten PNOZ Technical details Electrical data Supply voltage Supply voltage U B DC 24 V Voltage tolerance -15 %/+10 % Power consumption at U B DC 4.5 W Residual ripple DC 160 % Voltage and current at Input circuit DC: 24.0 V 35.0 ma Reset circuit DC: 24.0 V 40.0 ma Feedback loop DC: 24.0 V 3.5 ma Number of output contacts Safety contacts (S) instantaneous: 2 Safety contacts (N/O), delayed: 2-6
7 Electrical data Utilisation category in accordance with EN Safety contacts: AC1 at 240 V I min : 0.01 A, I max : 8.0 A P max : 2000 VA Safety contacts: DC1 at 24 V I min : 0.01 A, I max : 8.0 A P max : 200 W Safety contacts, delayed: AC1 at 240 V I min : 0.01 A, I max : 8.0 A P max : 2000 VA Safety contacts, delayed: DC1 at 24 V I min : 0.01 A, I max : 8.0 A P max : 200 W Utilisation category in accordance with EN Safety contacts: AC15 at 230 V I max : 5.0 A Safety contacts: DC13 at 24 V (6 cycles/min) I max : 7.0 A Safety contacts, delayed: AC15 at 230 V I max : 5.0 A Safety contacts, delayed: DC13 at 24 V (6 cycles/min) I max : 7.0 A Contact material AgSnO µ Au External contact fuse protection (I K = 1 ka) to EN Blow-out fuse, quick Safety contacts: 10 A Safety contacts, delayed: 10 A Blow-out fuse, slow Safety contacts: 6 A Safety contacts, delayed: 6 A Circuit breaker 24 VAC/DC, characteristic B/C Safety contacts: 6 A Safety contacts, delayed: 6 A Max. overall cable resistance R lmax input circuits, reset circuits single-channel at U B DC 100 Ohm dual-channel with detect. of shorts across contacts at U B DC 10 Ohm Min. input resistance when switching on 143 Ohm Safety-related characteristic data PL in accordance with EN ISO : 2006 Safety contacts, instantaneous PL e (Cat. 4) Safety contacts, delayed <30 s PL d (Cat. 3) Safety contacts, delayed 30 s PL c (Cat. 1) Category in accordance with EN Safety contacts, instantaneous Cat. 4 Safety contacts, delayed <30 s Cat. 3 Safety contacts, delayed 30 s Cat. 1 SIL CL in accordance with EN IEC Safety contacts, instantaneous SIL CL 3 Safety contacts, delayed <30 s SIL CL 3 Safety contacts, delayed 30 s SIL CL 1 PFH in accordance with EN IEC Safety contacts, instantaneous 2.31E-09 Safety contacts, delayed <30 s 2.64E-09 Safety contacts, delayed 30 s 2.87E-09 SIL in accordance with IEC Safety contacts, instantaneous SIL 3 Safety contacts, delayed <30 s SIL 3 Safety contacts, delayed 30 s SIL 2 PFD in accordance with IEC Safety contacts, instantaneous 2.03E-06 Safety contacts, delayed <30 s 1.26E-05 Safety contacts, delayed 30 s 4.64E-05 T M [year] in accordance with EN ISO :
8 Times Switch-on delay with automatic reset typ. 350 ms with automatic reset max. 650 ms with automatic reset after power on typ. 385 ms with automatic reset after power on max. 700 ms on monitored reset with rising edge typ. 35 ms on monitored reset with rising edge max. 70 ms Delay-on de-energisation with E-STOP typ. 15 ms with E-STOP max. 30 ms with power failure typ. 85 ms with power failure max. 200 ms Recovery time at max. switching frequency 1/s after E-STOP 50 ms +tv after power failure 250 ms Delay time t V : selectable 0,00 s; 0,50 s; 1,00 s; 2,00 s; 4,00 s; 6,00 s; 8,00 s; 10,00 s; 15,00 s; 20,00 s; 25,00 s; 30,00 s No ,10 s; 0,20 s; 0,30 s; 0,40 s; 0,50 s; 0,60 s; 0,70 s; 0,80 s; 1,00 s; 1,50 s; 2,00 s; 3,00 s No ,00 s; 5,00 s; 10,00 s; 20,00 s; 40,00 s; 60,00 s; 80,00 s; 100,00 s; 150,00 s; 200,00 s; 250,00 s; 300,00 s No Delay time t V : fixed 0.50 s No s No s No Repetition accuracy 2 % Time accuracy -15% / +15% +50 ms Waiting period with a monitored reset with rising edge 300 ms Min. start pulse duration with a monitored reset with rising edge 30 ms Simultaneity, channel 1 and 2 Supply interruption before de-energisation 20 ms Environmental data EMC EN , EN Vibration to EN Frequency Hz Amplitude 0.35 mm Climatic suitability EN Airgap creepage in accordance with EN Pollution degree 2 Overvoltage category III / II Rated insulation voltage 250 V Rated impulse withstand voltage 4.00 kv Ambient temperature C Storage temperature C Protection type Mounting (e.g. cabinet) IP54 Housing IP40 Terminals IP20 Mechanical data Housing material Housing PPO UL 94 V0 Front ABS UL 94 V0 Cross section of external conductors with screw terminals 1 core flexible mm², AWG 2 core, same cross section, flexible: with crimp connectors, without insulating sleeve mm², AWG without crimp connectors or with TWIN crimp connectors mm², AWG -8
9 Mechanical data Torque setting with screw terminals 0.60 Nm Dimensions Height 87.0 mm Width 45.0 mm Depth mm Weight 335 g No , , g No , , Technische Daten_Satz No. No. stands for order number. Si-Kennzahlen_Zusatz_Relais_Lebensdauer_PDB 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 life graphs are met. The PFH value depends on the switching frequency and the load on the relay output. If the service life graphs are not accessible, the stated PFH value can be used irrespective of the switching frequency and the load, as the PFH value already considers the relay's B10d value as well as the failure rates of the other components. Si_Kennzahlen_Erläuterung_1 All the units used within a safety function must be considered when calculating the safety characteristic data. Si_Kennzahlen_Erläuterung_2 INFORMATION A safety 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. Technische Daten_Satz Normen The standards current on apply. ][Dauerstrom_DC Conventional thermal current while loading several contacts Number of contacts I th per contact at U B DC A A A A Bestelldaten Order reference Type Features Terminals Order no. 24 VDC 0.5 s fixed Screw terminals VDC 3.0 s fixed Screw terminals VDC 10.0 s fixed Screw terminals VDC 3 s selectable Screw terminals VDC 30 s selectable Screw terminals VDC 300 s selectable Screw terminals
E-STOP relays, safety gate monitors
Unit features Safety features Gertebild ][Bildunterschrift Safety relay for monitoring E-STOP pushbuttons and safety gates. Approvals Gertemerkmale Positive-guided relay outputs: 3 safety contacts (N/O),
E-STOP relays, safety gate monitors
Unit features Safety features gang engertebild ][Bildunterschrift_NOT_Sch.tuer_Licht Safety relay for monitoring E-STOP pushbuttons, safety gates and light beam devices Approvals Gertemerkmale Positive-guided
E-STOP relays, safety gate monitors
Gertebild ][Bildunterschrift Safety relay for monitoring E-STOP pushbuttons and safety gates. Unit features Gertemerkmale Positive-guided relay outputs: 2 safety contacts (N/O), instantaneous Connection
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