AS-Interface Safety at Work - SCHMERSAL - #33

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33 NAS 311 AS ¤ 40 ¤ 29 37,8 85 97,8 M 12 M 12 85 • E-STOP station • Integrated AS-Interface interface • AS-Interface LED and status display • AS-Interface M12 connector • Thermoplastic or metal actuators and enclosures • Pull to reset • Resistant to chemicals • Protection class IP 65 Ordering details NAS 311 À-AS Á No. Option Description À ST1 Connector Á Thermoplastic enclosure M Metal enclosure MH Metal enclosure and push button with protection collar Technical data Standards: EN 50295, EN 60947-5-1, EN ISO 13849-1, IEC 61508 Enclosure: glass-fibre reinforced polyamide nylon, self-extinguishing; metal enclosure, paint finish Emergency-Stop button: thermoplastic or aluminium AS-Interface connection type: connector M12 x 1 Protection class: IP 65 AS-Interface operating voltage: 26.5 ... 31.6 VDC, via AS-Interface, reverse-polarity proof AS-Interface operating current: £ 50 mA AS-Interface specification: (V 2.1) Profile: S-7.B IO-Code: 0x7 ID-Code: 0xB ID-Code1: 0xF ID-Code2: 0xE AS-I inputs: contact 1: data bits D0 /D1 = static code 00 or dynamic code transmission contact 2: data bits D2 /D3 = static code 00 or dynamic code transmission Parameter bits: P0 … P3 not used Input module address: default on address 0, programmable Indications: AS-Interface: voltage LED green, communication LED red Enabling status: LED yellow EMC rating: conforming to EMC Directive Ambient temperature: – 25 °C … + 60 ºC Storage and transport temperature: – 25 °C … + 85 ºC Classification : Standards: EN ISO 13849-1; IEC 61508 PL: up to e Category: up to 4 PFH value: 3,16 x 10-8 /h for max. 5.000 operations/year SIL: up to 3 Service life: 20 years Note The addressing must take place via the M12 connector. 1: AS-Interface + 2: spare 3: AS-Interface – 4: spare 1 4 2 3 Approvals F C R C S OR AS-Interface Safety at Work