Zander Aachen SR3C User Information

Also see for SR3C: Operating instructions

Zander Aachen SR3C User Information Manual pdf 1 page image

User InformationH. ZANDER GmbH & Co. KG ï Am Gut Wolf 15 ï D52070 Aachen ï Tel +49 (0)241 9105010 ï Fax +49 (0)241 91050138info@zander-aachen.de ï www.zander-aachen.de 1B01B101E61-137-00• 2 start behaviors possible:- Monitored manual start- Automatic start• Short circuit and earth fault monitoring• Up to PL e, SILCL 3, category 4• Version with higher DC breaking capacity possible• It is not allowed to open the device, tamper with the de-vice or bypass the safety devices.• All relevant safety regulations and standards are to beobserved.• The overall concept of the control system in which thedevice is incorporated must be validated by the user.• Failure to observe the safety regulations can result indeath, serious injury and serious damage.Correct Use The SR3C is a universal emergency stop safety switching devicewith three safe relay outputs that can quickly and safely stop themoving parts of a machine or system in case of danger.Applications for the SR3C include single or dual-channel emer-gency stop circuits and guard monitoring on machines and sys-tems.Features• 3 safe, redundant relay outputs1 auxiliary contact (signaling contact)• Connection of:- Emergency stop buttons- Safety switches- Non-contact safety switches- OSSD-Outputs• Single and dual-channel operation possible• Feedback loop for monitoring downstream contactors orexpansion modules• Cyclical monitoring of the output contacts• Indication of the switching state via LEDFunction The emergency stop safety switching device SR3C is de-signed for safe isolation of safety circuits according to EN60204-1 and can be used up to safety category 4, PL eaccording to EN ISO 13849-1.The internal logical system closes the safety contacts whenthe start button is pressed.If the safety switch is opened, the positively driven safetycontacts are opened and safely switch the machine off. It isensured that a single fault does not lead to a loss of thesafety function and that every fault is detected by cyclicalself-monitoring no later than when the system is switched offand switched on again.ElectricalConnection• When the 24V version is used, a control transformeraccording to EN 61558-2-6 or a power supply unit withelectrical isolation from the mains must be connected.• External fusing of the safety contacts (6A slow-blow or8A quick-action or 10 A gG) must be provided.• A maximum length of the control lines of 1000 meterswith a line cross section of 0.75 mm 2 must not be ex-ceeded.• The line cross section must not exceed 2.5 mm 2.• If the device does not function after commissioning, itmust be returned to the manufacturer unopened. Ope-ning the device will void the warranty.Installation As per EN 60204-1, the device is intended for installation incontrol cabinets with a minimum degree of protection ofIP54. It is mounted on a 35-mm DIN rail according to DINEN 60715 TH35.SafetyPrecautions• Installation and commissioning of the device must beperformed only by authorized personnel.• Observe the country-specific regulations when installingthe device.• The electrical connection of the device is only allowed tobe made with the device isolated.• The wiring of the device must comply with the instruc-tions in this user information, otherwise there is a riskthat the safety function will be lost.Fig. 1 Block diagram SR3CSR3C, Order no. 472173Germanischer Lloydcertificate 32915-06HHFig. 2 Installation / removalFig. 3 ConnectionsA1: Power supplyA2 : Power supplyS11: DC 24V control voltageS10: Control lineS21: Start control lineS13: Control lineS14: Control lineS12: Control line13-14: Safety contact 123-24: Safety contact 233-34: Safety contact 341-42: Auxiliary contactEmergency Stop Safety Relay SR3C AC/DC24V(not for plug-in terminals)English translation

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