Safety Integrated - Industry - Siemens

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Ex. No. E-Stop with monitored start, protective door monitoring 1.12 with automatic start and service mode, Category 4 acc. to EN 954-1 with a SIRIUS 3TK2845 safety relay Function Description of the functionality If people (in production technology) are close to machines, then they must be protected using the appropriate equipment. This Safety Functional example describes how an E-Stop command device and a guard in the form of a protective door are monitored. The E-Stop command device represents a widely established component that protects people, plants/systems and the environment against potential hazards. An additional solution for plants and machines to secure hazardous areas is mechanically isolating protective equipment (guards) 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 opened. Position switch with separated actuator Actuator Protective door opened Protective door closed In this Safety Functional Example, the E-Stop device with two positively-opening contacts is monitored by a SIRIUS 3TK2845 safety relay according to Category 4 in compliance with EN 954-1. If the E-Stop button is pressed, the safety-relay opens, via safety outputs, the downstream contactors K1 and K2 and K3 and K4 with positively driven contacts according to stop Category 0 in compliance with EN 60204-1. Before powering-up again and acknowledging the E-Stop device using the start button, a check is made as to whether the contacts of the E-Stop command device are closed and all four contactors have been de-energized (i.e. the contactors have dropped-out). The protective with two SIRIUS position switches with positively-opening contact door is also monitored by the 3TK2845 safety relay according to Category 4 in compliance with EN 954-1. If this protective door is opened, the safety relay also opens the downstream contactors K1 and K2 and K3 and K4 via the positively driven safety-related outputs according to stop Category 0 in compliance with EN 60204-1. If the protective door is closed and after the position switches and down- 26 Functional Example No. CD-FE-I-024-V10-EN G_FB_XX_060 stream contactor have been checked, then the drive automatically starts. If the "Service mode" key-operated switch is actuated, then contactors K3 and K4 drop-out and the protective door can be opened without contactors K1 and K2 dropping-out. After the "Service mode" has been completed, when the key-operated switch is re-actuated, contactors K3 and K4 are automatically closed again. K1, K2 and K3, K4 switch two separate drives. Cascading input (1) EMERGENCY STOP (Y11,Y12/Y21,Y22) Protective door (Y41,Y42/Y51,Y52) Key-operated switch "service mode" (Y72/Y82) Start R S Sicherheitslogik 3TK2845-1BB40 Stop-Kategorie 0 Note Equipment, functional aspects and design guidelines for E-Stop command devices are provided in EN 418 (EN ISO 13850 in draft status). 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 mechanical endstop. Advantages/customer benefits 1 Relay output instantaneous contactor K1 (13/14) Electronic output instantaneous contactor K2 (24) Relay output instantaneous contactor K3 (33/34) Electronic output instantaneous contactor K4 (44) ■ Pure hardware engineering without having to configure/program software ■ A low scope of simple wiring ■ Space-saving design using our compact safety relay ■ Can be simply expanded using expansion devices & & G_FB_XX_061
Required components Hardware components Component Type MRPD / Ordering data Qty Manufacturer SIRIUS position switch Position switch with separate actuator 3SE2 243-0XX40 2 Siemens AG Actuator for position switch Radius actuator 3SX3 228 2 E-Stop Mushroom head pushbutton, 1 NC, 40 mm, with yellow upper section without protective collar 3SB3 801-0DG3 1 1NC contact for base-mounting 3SB3 420-0C 1 Start button and Empty enclosure of two command points 3SB3 802-0AA3 1 service mode 1NO contact for base-mounting 3SB3 420-OB 3 Pushbutton, black with flat actuator, 22 mm nominal diameter 3SB3 000-0AA11 1 Key-actuated switch CES 3SB3000-4LD01 1 Safety relay 3TK2845 3TK2845-1BB40 1 Contactors Contactor, AC-3, 3KW/400V, 1NC, 24V DC, 3-pole, 3RT1015-1BB42 4 K1,K2 / K3,K4 Size S00, screw connection Note The functionality was tested using the specified hardware 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). Structure and wiring An overview of the hardware structure Wiring of the hardware components Service mode L +(24V DC) M A1 Y41 Y42 Y65 Y51 E-stop Y52 1 Y11 Y12 Y35Y21 Y22 13 14 24 Y72 Y82 A2 33 34 44 Y34 Y64 32 K1 Start K1 - K4 K3 K2 K4 M1 K1 K2 K3 K4 G_FB_XX_063 Functional Example No. CD-FE-I-024-V10-EN 27 3TK2845-1BB40 M2 Ex. No. 1.12
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Description Parameters For the doub
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Commissioning the AS Interface Safe
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Protective door with door interlock
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Wiring of Hardware Components
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Parameter settings Note Screenshot
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Downloading the SIMOCODE pro projec
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Required components Hardware compon
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L1 N PE Note A connection between t
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Settings of the CPU 315F-2DP The se
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The sample code with the given conf
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L1 N PE PS 307 / CPU 315F L+ M IM 1
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Important hardware component settin
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Basic Performance Data Load and mai
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Setup and Wiring In order to set up
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FC "STANDARD" (FC 3) The FC "STANDA
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Sample Code Preliminary Remarks Enc
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The acknowledgement for the enable
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ACK PS 307 START CPU 315F Wiring of
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Setup and Wiring Regarding the use
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COND2), which can be changed by the
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7 Cyclic input data 0 OSSD Warning!
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Time sequence For a better understa
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IM 151 HF IM 151 HF PM-E PM-E 2DI H
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Explanations for the STEP 7 program
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FB2 / Network 1 DB818.DBX 36.4 Over
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Operation: Normal operation Operati
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Operation: Automatic reintegration
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Background Knowledge on the Functio
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F-I/O-module data block What is an
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The user has read and write access
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Warning Automatic reintegration is
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This communication is realized via
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DP Slave (MASTERDRIVES) The descrip
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Emergency stop Time Explanation t1
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Program sequence General overview T
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Symbol Function Explanation START P
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Safety Drives System 1 SAFE STANDST
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■ This circuit principle is suita
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Hardware components for the F-CPU c
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SIMATIC Runtime System Function Blo
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Überwachung auf sicher red. Geschw
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Porting PROFIsafe to the applicatio
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Input signal conditioning The incom
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TÜV certificate (issued by the TUE
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SINAMICS G120 - controlled via PROF
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Required components An overview of
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Fault 395 (acceptance test / acknow
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Overview of inputs and outputs Simu
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Download S7 program To download the
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nels takes approximately 2.4s. This
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Key performance data Load memory an
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The individual telegram components
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■ Then, in the Project Navigator
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Safe Stop 1 (SS1) tab The parameter
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Function test The function test can
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Siemens telegram 352, PZD 6/6 The s
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Principle structure of the FC100 Ne
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Functional Example No. SD-FE-I-002-
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Contact partners Contact partners f
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