Safety Integrated Functional Examples - February 2007 A&D CD MM 2

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Specifications	Safety Integrated Functional Examples - February 2007 A&D CD MM 2
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12Functional Example No. CD-FE-I-017-V10-EN Ex. No.E-Stop with monitored start Category 2 acc. to EN 954-1 with a SIRIUS 3TK2

Specifications	Safety Integrated Functional Examples - February 2007 A&D CD MM 2
Outline	Safety Integrated Functional Examples - March 2007 Contents Safety-related controls - SIRIUS Safety Integrated Functional examples with SIRIUS 3TK28 safety relay CD-FE-I-001-V11-EN - E-Stop with manual start Category 2 acc. to EN 954-1 with a SIRIUS 3TK28 safety relay CD-FE-I-002-V10-EN - E-Stop with monitored start Category 4 acc. to EN 954-1with a SIRIUS 3TK28 safety relay CD-FE-I-003-V11-EN - Protective door monitoring with automatic start Category 2 acc. to EN 954-1 with a SIRIUS 3TK28 safety relay CD-FE-I-004-V10-EN - Protective door monitoring with automatic start Category 4 acc. to EN 954-1 with a SIRIUS 3TK28 safety relay CD-FE-I-017-V10-EN - E-Stop with monitored start Category 2 acc. to EN 954-1 with a SIRIUS 3TK28 safety relay with contactor relays CD-FE-I-018-V10-EN - E-Stop with monitored start Category 2 acc. to EN 954-1 with/without operational switching with a SIRIUS 3TK28 safety relay with contactor relay CD-FE-I-019-V10-EN - E-Stop with monitored start Category 4 acc. to EN 954-1 with/without operational switching with a SIRIUS 3TK28 safety relay with contactor relays CD-FE-I-020-V10-EN - Protective door monitoring with automatic start Category 2acc. to EN 954-1 with a SIRIUS 3TK28 safety relay with contactor relays CD-FE-I-021-V10-EN - Protective door monitoring with automatic start Category 2 acc. to EN 954-1 with/without operational switching with a SIRIUS 3TK28 safety relay with contactor relays CD-FE-I-022-V10-EN - Protective door monitoring with automatic start Category 4 acc. to EN 954-1 with/without operational switching using a SIRIUS 3TK28 safety relay with contactor relays CD-FE-I-023-V10-EN - E-Stop with monitored start, protective door monitoring with automatic start and service mode, Category 2 acc. to EN 954-1 with a SIRIUS 3TK2845 safety relay CD-FE-I-024-V10-EN - E-Stop with monitored start, protective door monitoring with automatic start and service mode, Category 4 acc. to EN 954-1 with a SIRIUS 3TK2845 safety relay
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Content	12Functional Example No. CD-FE-I-017-V10-EN Ex. No.E-Stop with monitored start Category 2 acc. to EN 954-1 with a SIRIUS 3TK28 safety relay with contactor relays Function Description of the functionality If people (in production technology) are close to machines, then they must be protected using the appropriate equip- ment. The E-Stop command device represents a widely estab- lished component that protects people, plants/systems and the environment against potential hazards. In this Safety Functional Example, the E-Stop command device with a positively-opening contact is monitored by a SIRIUS 3TK28 safety relay with contactor relays according to Category 2 in compliance with EN 954-1. If the E-Stop command device is actuated, the safety relay shuts down via its contactor relays with positively-opening contacts according to Stop Category 0 in compliance with EN 60204-1. Before restarting or acknowl- edging the E-Stop shutdown using the start button, a check is made as to whether the E-Stop command device contact is closed and the contactor relays of the safety relay been de-en- ergized. Note Equipment, functional aspects and design guidelines for E-Stop command devices are provided in EN 418 (EN ISO 13850 in draft status). Advantages/customer benefits ■Pure hardware engineering without having to config- ure/program software ■A low scope of simple wiring ■Space-saving design using our compact safety relay ■Can be simply expanded using expansion devices Required components Hardware components Note The functionality was tested using the specified hard- ware components. Products that are similar but deviate from the list above can be used (e.g. a different 3TK28 safety relay). However, in this case, please carefully note that it may be necessary to make modifications as to how the hardware components are connected-up (e.g. another connection assignment). ComponentTypeMRPD / Ordering dataQtyManufacturer E-StopMushroom head pushbutton, 1 NC, 40 mm, with yellow upper section without protective collar 3SB3 801-0DG31Siemens AG Safety relay with contactor relays3TK283TK2850-1BB401 Start buttonEmpty housing of a command point3SB3 801-0AA31 1NO contact for base-mounting3SB3 420-OB1 Pushbutton, black with flat actuator, 22 mm nom- inal diameter 3SB3 000-0AA111 Optional: Inscription plate Start 3SB3 906-1EL1 1.5
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