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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452Function Example No. MC-FE-I-004-V11-EN Ex. No. Functionality of the function block F_DRIVE Sign of life The sign of life

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	452Function Example No. MC-FE-I-004-V11-EN Ex. No. Functionality of the function block F_DRIVE Sign of life The sign of life is generated by the block and transmitted to the output block TD_LIVE_SIGN [To Drive Live Sign]. The input block FD_LIVE_SIGN [From Drive Live Sign] awaits the sign of life. The plausibility of the sign of life transmitted and the one received is checked. The sign of life in the drive system must be incremented by 15 (function containing SIMOTION function block). The FB300 permanently converts the signs of life received into new signs of life using the principle of serial numbers. If a sign of life transmitted does not correspond to the sign of life received, the sign of life expected is transmitted again. This is tolerated until a time parameterized at input block F_TIME has expired. Then, an error is output and the output ENABLE_AXIS is reset. This principle corresponds to a time ex- pected with acknowledgement. Error acknowledgement / enable of safe standstill Errors can be reset only with AREA_PROTECTED =1 through a rising edge at ACK [Acknowledgement]. ENABLE_AXIS only possible if AREA_PROTECTED =1, if no er- rors are pending and if a rising edge is applied to ACK. Fail-safe output(s) of the fail-safe Distributed Safety system must be controlled via the ENABLE_AXIS output. The Safe standstill safety function of the SINAMICS drive system is trig- gered via this output. Protection zone closed If the protection zone is closed (AREA_PROTECTED=1), speed or standstill monitoring is not performed. The sign of life, CRC and the relevant position of the control signals with respect to each other (AREA_PROTECTED and ENABLE_MOTION) are still monitored. The ENABLE_MOTION signal - which constitutes, for example, the evaluated signal transmitted from an acknowledgement button - may only include a high signal if AREA_PROTECTED=0, which can be connected, for example, to the evaluated signal transmitted from protective doors of a certain protection zone. If this is not the case, ENABLE_AXIS is set to 0. Safe operating stop / standstill monitoring, e.g. protection zone open The actual position FD_RED_ROUGH_POS [From Drive Redun- dant Rough Position] is permanently stored in the block and verified as the standstill position when axis standstill monitor- ing is requested (AREA_PROTECTED =0). The standstill moni- toring function is activated when the AREA_PROTECTED signal is changed from 1 to 0. When standstill monitoring is active, the system tolerates position changes by the value entered in FD_RED_ROUGH_POS +/- the value that can be parameterized by the user DELTA_INC_STANDSTILL [Delta Increments Stand- still]. This yields both a positive and a negative standstill limit. If the encoder value does not exceed the limits specified, then ENABLE_AXIS=1 and the drive can still be controlled even if it has stopped. If the position is changed and one of the above-mentioned limits violated, the monitoring function is violated and the safe standstill function on the drive triggered via the output block ENABLE_AXIS = 0, thus setting a restart inhibit. The maximum delta increments permissible during standstill are transmitted to the output block TD_DELTA_INC_SS [To Drive Delta Increments Standstill]. They can thus be simulta- neously monitored in SIMOTION. Caution The time set at input block F_TIME has to be set to the lowest possible value to ensure that the function block F_DRIVE immediately detects any errors arising dur- ing data transmission. 4
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