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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34Functional Example No. CD-FE-I-008-V10-EN Ex. No.Protective door monitoring with automatic start Category 2 acc. to EN 954-

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	34Functional Example No. CD-FE-I-008-V10-EN Ex. No.Protective door monitoring with automatic start Category 2 acc. to EN 954-1 with a safety fused load feeder 3RA7 Function Description of the functionality This Safety Functional Example describes a mechanically iso- lating protective mechanism in the form of a protective door. The most frequently used solution for plants and machines to secure hazardous areas is mechanically isolating protective equipment or access hatches. In this case, the function is to monitor unauthorized entry into plant and system areas as well as to prevent potentially hazardous machine functions if the protective equipment - in this case protective door - is not closed. The protective door is monitored using a SIRIUS position switch with a positively-opening contact using a safety fused load feeder in accordance with Category 2 to EN 954-1. If this protective door is opened, the load feeder safety shuts-down in accordance with stop Category 0 according to EN 60204-1. In this particular example, a drive is stopped. If the protective door is closed, after checking the position switch and the con- tactors of the load feeder, the drive is automatically re-started. Note The position switches must be arranged so that they are not damaged when they are approached and passed. This is the reason that they may not be used as mechan- ical endstop. 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. another safety load feeder). 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 SIRIUS position switch Position switch with separate actuator3SE2 243-0XX401Siemens AG Actuator for position switch Radius actuator3SX3 2281 Safety load feeder3RA73RA7100-5AA26-0AB41 2.4
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