Siemens Sirius 3TK2826, Manual

Page 1: ...onnecting 7 Operation 8 Configuration project engineering 9 External circuitry 10 Commissioning 11 Technical data 12 Circuit diagrams applications 13 Spare parts Accessories 14 SIRIUS industrial switchgear Monitoring and control devices 3TK2826 safety relay Manual 08 2007 GWA NEB 926 1579 02 DS 02 ...

Page 2: ...ommissioning and operation of a device system may only be performed by qualified personnel Within the context of the safety notes in this documentation qualified persons are defined as persons who are authorized to commission ground and label devices systems and circuits in accordance with established safety practices and standards Prescribed Usage Note the following WARNING This device may only b...

Page 3: ...tion 19 8 1 3TK2826 with undelayed enabling circuits 19 8 2 Connection terminals and their meanings undelayed 20 8 3 LEDs keys and their meanings undelayed 21 8 4 3TK2826 with undelayed and delayed enabling circuits 23 8 5 Connection terminals and their meanings undelayed and delayed 23 8 6 LEDs keys and their meanings undelayed and delayed 24 9 Configuration project engineering 27 9 1 General rem...

Page 4: ...r wiring 39 10 2 Typical circuits 41 10 3 Output circuit 52 11 Commissioning 55 11 1 Commissioning 55 12 Technical data 57 12 1 Technical data electrical mechanical 57 12 2 Dimension drawings 59 13 Circuit diagrams applications 61 13 1 Block diagrams 61 14 Spare parts Accessories 69 14 1 Spare parts and accessories 69 ...

Page 5: ...manual for further information Scope This manual applies to safety relays with the following order numbers 3TK2826 BB40 3TK2826 CW30 3TK2826 BB41 2 4 3TK2826 CW31 2 4 8th position in order no 1 screw terminal 2 spring loaded terminal Standards and certifications You can use the 3TK2826 safety relays in EMERGENCY STOP facilities complying with EN 418 and in safety circuits complying with EN 60 204 ...

Page 6: ...Introduction 1 1 Important information 3TK2826 safety relay 6 Manual 08 2007 GWA NEB 926 1579 02 DS 02 ...

Page 7: ...s Nor can Siemens assume liability for recommendations that appear or are implied in the following description No new guarantee warranty or liability claims beyond the scope of the Siemens general terms of supply are to be derived or inferred from the following description 2 2 Latest information and correction sheet Up to the minute information You can obtain further assistance by calling the foll...

Page 8: ...Safety instructions 2 2 Latest information and correction sheet 3TK2826 safety relay 8 Manual 08 2007 GWA NEB 926 1579 02 DS 02 ...

Page 9: ...AC DC 5 300 3TK2826 CW34 8th position in order no 1 screw terminal 2 spring loaded terminal Signaling outputs Stop cat Rated control supply voltage Safe outputs floating Floating Non float Order No Undelay ed NO Time del NO Undelay ed NO Undelay ed NC Time del NC NO 0 24V DC 4 0 0 1 0 2 3TK2826 BB40 0 24V AC DC to 240V AC DC 4 0 1 1 0 0 3TK2826 CW30 0 1 24V DC 2 2 0 1 1 2 3TK2826 BB41 0 1 24V AC D...

Page 10: ...Product family 3 1 Order numbers 3TK2826 safety relay 10 Manual 08 2007 GWA NEB 926 1579 02 DS 02 ...

Page 11: ...y relay are available Undelayed enabling circuits 24V DC 24V AC DC to 240V AC DC Y22 T2 Y34 64 74 A2 14 24 34 44 52 13 23 33 43 51 A1 Y12 T1 Y33 T3 1 3TK2826 1BB40 SIEMENS SIEMENS SIRIUS DEVICE OUT IN SF SET RESET 1 2 3 4 5 6 7 8 Figure 4 1 3TK2826 safety relay with relay enabling circuits stop category 0 in accordance with EN 60204 1 ...

Page 12: ...rcuits 24V DC 24V AC DC to 240V AC DC Y22 T2 Y34 74 84 A2 14 24 32 48 58 62 13 23 31 47 57 61 A1 Y12 T1 Y33 T3 1 3TK2826 1BB44 SIEMENS SIEMENS SIRIUS DEVICE OUT IN SF SET RESET 1 2 3 4 5 6 7 8 5 50 100 150 200 300s Figure 4 2 3TK2826 safety relay with relay enabling circuits stop category 0 1 in accordance with EN 60204 1 ...

Page 13: ...s that operate without an interface to a bus system stand alone operation Flexible use in diverse applications Monitoring functions EMERGENCY STOP control device Protective door Light arrays Light curtains Light barrier Laser scanners Electromagnetic switches normally closed normally closed or normally closed normally open Safety shutdown mat with cross circuit tripping WARNING Prerequisites for m...

Page 14: ...Functions 5 1 Functions 3TK2826 safety relay 14 Manual 08 2007 GWA NEB 926 1579 02 DS 02 ...

Page 15: ...burns Before starting work disconnect the equipment and the device from the supply NOTICE Taking the ambient conditions into account you must install the devices in control cabinets with the IP23 IP43 or IP54 degree of protection Mounting on standard rail The 3TK2826 safety relay is suitable for snap mounting on a standard 35mm rail to DIN EN 60715 ...

Page 16: ...the sequence a b and connected in the sequence c d c d a b 8 9 D E F G Figure 6 1 Mounting the 3TK2826 on a standard rail Screw mounting As an alternative screw mounting of the devices is possible with two additional push in lugs each with the order no 3RP1903 3RP1903 6 7 6 3RP1902 Figure 6 2 3TK2826 with sealable cap Mounting of the device with the aid of push in lugs for screw mounting ...

Page 17: ...als Refer to the following table for details of the required connection cross section and maximum permissible torque data 10 10 10 0 8 1 2 Nm 7 10 3 lb in 1 x 0 5 4 0 mm2 2 x 0 5 2 5 mm2 2 x 0 5 1 5 mm2 1 x 0 5 2 5 mm2 2 x 20 to 14 _ AWG 2 x 24 to 16 _ 2 x 0 25 1 5 mm2 2 x 0 25 1 5 mm2 2 x 0 25 1 5 mm2 5 6 mm PZ2 3TK2826 1 3TK2826 2 Figure 7 1 Connection torque and wire cross section ...

Page 18: ...K2826 safety relay 18 Manual 08 2007 GWA NEB 926 1579 02 DS 02 Opening the spring loaded terminals with coding 2 1 DIN ISO 2380 1A 0 5 x 3 7 3 5 4 C B D A A B C D Kodiert Figure 7 2 Opening the spring loaded terminals with coding ...

Page 19: ... 3TK2826 with undelayed enabling circuits Schematic diagram of the 3TK2826 with undelayed enabling circuits Y22 T2 Y34 64 74 A2 14 24 34 44 52 13 23 33 43 51 A1 Y12 T1 Y33 T3 1 3TK2826 1BB40 SIEMENS SIEMENS SIRIUS DEVICE OUT IN SF SET RESET 1 2 3 4 5 6 7 8 Figure 8 1 3TK2826 1BB40 ...

Page 20: ...est signal 1 Cascading input normal switching duty Y12 Y22 Sensor inputs channel 1 channel 2 Y33 Start button start after upwards and downwards edge Y34 Feedback circuit checked only for closed to enable operation without feedback Table 8 2 Connecting terminals 3TK2826 CW30 undelayed enabling circuits Connecting terminal Meaning A1 24 240V AC DC A2 Chassis ground N 13 14 23 24 33 34 43 44 Relay en...

Page 21: ...ut simultaneity of sensors not satisfied wire breakage during safety shutdown mat operation short circuit to chassis at T1 T2 Off No group fault Red Group fault wiring fault cross circuit wire breakage in the case of safety shutdown operation configuration error Eliminate the fault and press Reset SF Flashing red Group fault RF fault simultaneity condition of the sensors not satisfied Off Cross ci...

Page 22: ...ure Yellow Without automatic startup after power failure 8 Flashing yellow Configuration mode waiting for confirmation Table 8 4 SET RESET button undelayed enabling circuits Function of the SET RESET button Status of signaling LED s Function SET DEVICE LED yellow Accept parameter assignment DEVICE LED red RESET SF LED red Press key for about 3 s The device restarts without the supply voltage havin...

Page 23: ...abling circuits Connecting terminal Meaning A1 24 V DC A2 Chassis ground 13 14 23 24 Relay enabling circuit normally open undelayed 31 32 Relay signaling circuit normally closed enabling circuit status undelayed 47 48 57 58 Relay enabling circuit normally open delayed 61 62 Relay signaling circuit normally closed enabling circuit status delayed 74 Solid state signaling circuit feedback circuit fau...

Page 24: ...ys and their meanings undelayed and delayed Table 8 7 LEDs undelayed and delayed enabling circuits LED Status Meaning Off No too low supply voltage or internal fuse tripped Green Supply voltage in the permissible operating range Flashing green Self test during restart Yellow Configuration mode DIP switch Flashing yellow Configuration error or configuration mode for delay time Green yellow flashing...

Page 25: ...onfirmation Off Debounce time Y12 Y22 Y34 50 ms Yellow Debounce time Y12 Y22 Y34 10 ms 4 Flashing yellow Configuration mode waiting for confirmation Off Autostart sensor circuit Yellow Monitored start sensor circuit 5 Flashing yellow Configuration mode waiting for confirmation Off Cascading input 1 autostart Yellow Cascading input 1 monitored start 6 Flashing yellow Configuration mode waiting for ...

Page 26: ...VICE LED yellow Accept parameter assignment SET DEVICE LED flashing yellow Accept delay time DEVICE LED red DEVICE LED green yellow flashing RESET SF LED red Press key for about 3 s The device restarts without the supply voltage having to be switched off Function test of LED s 1 8 and display mode Not possible if DEVICE LED is yellow flashing yellow Press button briefly approx 1 s test of LED s 1 ...

Page 27: ...cility is actuated or a hazardous area protected by sensors such as light arrays or laser scanners is entered Evaluation This involves detecting a safety requirement and safely initiating the reaction e g the undelayed deactivation of the SIRIUS safety relay s enabling circuits Deactivation This involves the reaction in an emergency or under a risk e g by deactivating hazarouds drives via subseque...

Page 28: ...ostart sensor input 5 Monitored start sensor input Autostart cascading input 6 Monitored start cascading input With startup testing 7 Without startup testing Automatic startup after power failure not permissible in conjunction with startup testing 8 Without automatic startup after power failure DANGER Automatic start after power failure In the case of automatic startup after a power failure the sy...

Page 29: ...up testing Automatic startup after power failure not permissible in conjunction with startup testing 8 Without automatic startup after power failure WARNING Prerequisites for monitoring with safety shutdown mats in accordance with DIN EN 1760 1 only safety shutdown mats may be connected Safety shutdown mats with cross circuit evaluation only Safety shutdown mat and cable resistance 1000 Ω 4 wire s...

Page 30: ...s are frequently used in the case of electromagnetic switches can also be evaluated Make sure that the normally closed contact is connected to Y12 and the normally open contact to Y22 3 Type of connection 1 sensor with 2 contacts 1x2 channel NC NC It is expected that both contacts are opened simultaneously 2 sensors with one contact each 2x1 channel NC NC It is expected that both sensors are AND c...

Page 31: ...wo sensor leads T1 Y12 T2 Y22 The 3TK2826 evaluation unit can only be started if the T1 Y12 and T2 Y22 lead connection has been established by contact blocks of the safety shutdown mat and there is no cross circuit of the signal leads due to tripping of the signaling device This means that the device remains in a safe state in the event of a discontinuity of the signal leads or assumes the safe st...

Page 32: ...d state contact blocks switching to P potential Floating contact blocks must be connected between T3 and the cascading input WARNING Current source In the case of solid state contact blocks possible only in the case of 3TK2826 BB4 make sure that the contact blocks are powered from the same current source as the device 3 Normal switching duty The cascading input can also be used for normal switchin...

Page 33: ...ously while the outputs of stop category 1 have a time delay The sequence cannot be interrupted Exception Switching off the power supply CAUTION If the safe state is restored during the time delay e g the protective door is closed and the start button is actuated the enabling circuits switch to the active position immediately after the delay time has elapsed The actuation of the start button is sa...

Page 34: ...N All configuration LEDs on for around 1 second LED test All configuration LEDs off for around 0 5 seconds Configuration LEDs on in accordance with set configuration Confirmation SET RESET Hold down the button for around 2 seconds Configuration LEDs flash in accordance with set configuration Check the configuration Configuration OK Confirmation SET RESET Hold down the button for around 1 second Co...

Page 35: ...r voltage and then deactivate and reactivate the power supply The device is therefore in the safe state and all enabling circuits are deactivated Note Adjusting the potentiometer for the delay time leads to no immediate device action in protection mode The DEVICE LED signals Potentiometer setting changed changes from green to green yellow flashing The delay time is not however changed After the de...

Page 36: ...ion LEDs on for around 1 second LED test All configuration LEDs off for around 0 5 seconds Configuration LEDs on in accordance with set configuration Confirmation SET RESET Hold down the button for around 2 seconds Configuration LEDs flash in accordance with set configuration Check the configuration Configuration OK Confirmation SET RESET Hold down the button for around 1 second Configuration LEDs...

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Page 38: ...ion LEDs on in accordance with configuration for approx 5 s Configuration LEDs off Figure 9 4 Displaying the configuration RESET in the event of a fault Confirmation SET RESET Press button for 3 s Restarting the unit Figure 9 5 Reset in the event of a fault Parameter marking The operating instructions come with a perforated box featuring the markings of the configuration parameters This can be ins...

Page 39: ...ith cross circuit detection with autostart 6 6 0 1 1 1 Sensors with electronic outputs without cross circuit detection with monitored start 7 0 1 1 0 0 Sensors with electronic outputs without cross circuit detection with autostart 8 Not relevant Table 10 1 Legend DIP switch Meaning 1 ON Meaning 0 OFF 1 With cross circuit detection Without cross circuit detection ON 2 NC contact NC contact evaluati...

Page 40: ...uit detection with monitored start 17 0 1 1 0 0 Type 4 light array without cross circuit detection with autostart 18 Not relevant Table 10 2 Legend DIP switch Meaning 1 ON Meaning 0 OFF 1 With cross circuit detection Without cross circuit detection ON 2 NC contact NC contact evaluation NC contact NO contact evaluation OFF 3 1 x 2 channel 2 x 1 channel OFF Safety shutdown mat 4 Debounce time for se...

Page 41: ... DIP switch 1 2 3 4 5 6 7 8 1 1 1 1 Category in accordance with DIN EN ISO 13849 1 4 Y12 T1 Y33 T3 1 Y22 T2 Y34 START K1 Kn Safety Integrity Level SIL in accordance with IEC 61508 3 Table 10 4 Circuit example 2 2 channel with cross circuit detection with autostart With cross circuit detection 2 NC contacts 2 channel Autostart 3TK2826 BB4 and 3TK2826 CW3 DIP switch 1 2 3 4 5 6 7 8 1 1 1 0 0 Categor...

Page 42: ...onitored start 3TK2826 BB4 and 3TK2826 CW3 DIP switch 1 2 3 4 5 6 7 8 1 0 0 1 Category in accordance with DIN EN ISO 13849 1 3 Y12 T1 Y33 T3 1 Y22 T2 Y34 START K1 Kn Safety Integrity Level SIL in accordance with IEC 61508 2 WARNING Prerequisites for monitoring with safety shutdown mats in accordance with DIN EN 1760 1 only safety shutdown mats may be connected Safety shutdown mats with cross circu...

Page 43: ... Autostart 3TK2826 BB4 and 3TK2826 CW3 DIP switch 1 2 3 4 5 6 7 8 1 0 0 0 0 Category in accordance with DIN EN ISO 13849 1 3 Y12 T1 Y33 T3 1 Y22 T2 Y34 K1 Kn Safety Integrity Level SIL in accordance with IEC 61508 2 WARNING Prerequisites for monitoring with safety shutdown mats in accordance with DIN EN 1760 1 only safety shutdown mats may be connected Safety shutdown mats with cross circuit evalu...

Page 44: ...5 6 7 8 1 0 1 1 Category in accordance with DIN EN ISO 13849 1 3 Y12 T1 Y33 T3 1 Y22 T2 Y34 START K1 Kn Safety Integrity Level SIL in accordance with IEC 61508 2 Table 10 8 Circuit example 6 NC and NO contacts with cross circuit detection with autostart With cross circuit detection NC contact NO contact 2 channel Autostart 3TK2826 BB4 and 3TK2826 CW3 DIP switch 1 2 3 4 5 6 7 8 1 0 1 0 0 Category i...

Page 45: ...1 1 1 Category in accordance with DIN EN ISO 13849 1 3 START 9 Y12 T1 Y33 T3 1 Y22 T2 Y34 A1 A2 M K1 Kn Safety Integrity Level SIL in accordance with IEC 61508 2 Table 10 10 Circuit example 8 Sensors with electronic outputs without cross circuit detection with autostart 2 NC contacts Without cross circuit detection 2 channel Autostart 3TK2826 BB4 DIP switch 1 2 3 4 5 6 7 8 0 1 1 0 0 Category in ac...

Page 46: ...1 0 1 Category in accordance with DIN EN ISO 13849 1 2 START 9 Y12 T1 Y33 T3 1 Y22 T2 Y34 A2 M A1 K1 Kn Safety Integrity Level SIL in accordance with IEC 61508 1 Table 10 12 Circuit example 10 2 x 1 channel without cross circuit detection with autostart Without cross circuit detection 2 NC contacts 2 x 1 channel Autostart 3TK2826 BB4 DIP switch 1 2 3 4 5 6 7 8 0 1 0 0 0 Category in accordance with...

Page 47: ...0 1 Category in accordance with DIN EN ISO 13849 1 2 START 9 Y12 T1 Y33 T3 1 Y22 T2 Y34 A2 M N A1 K1 Kn Safety Integrity Level SIL in accordance with IEC 61508 1 Table 10 14 Circuit example 12 2 x 1 channel without cross circuit detection with autostart Without cross circuit detection 2 NC contacts 2 x 1 channel Autostart 3TK2826 BB4 and 3TK2826 CW3 DIP switch 1 2 3 4 5 6 7 8 0 1 0 0 0 Category in...

Page 48: ...0 1 1 Category in accordance with DIN EN ISO 13849 1 3 Y12 T1 Y33 T3 1 Y22 T2 Y34 START 9 A1 A2 M K1 Kn Safety Integrity Level SIL in accordance with IEC 61508 2 Table 10 16 Circuit example 14 NC and NO contacts without cross circuit detection with autostart Without cross circuit detection NC contact NO contact 2 channel Autostart 3TK2826 BB4 DIP switch 1 2 3 4 5 6 7 8 0 0 1 0 0 Category in accord...

Page 49: ...1 1 Category in accordance with DIN EN ISO 13849 1 3 Y12 T1 Y33 T3 1 Y22 T2 Y34 START A2 M N 9 A1 K1 Kn Safety Integrity Level SIL in accordance with IEC 61508 2 Table 10 18 Circuit example 16 NC and NO contacts without cross circuit detection with autostart Without cross circuit detection NC contact NO contact 2 channel Autostart 3TK2826 CW3 and 3TK2826 BB4 DIP switch 1 2 3 4 5 6 7 8 0 0 1 0 0 Ca...

Page 50: ... start Without cross circuit detection 2 NC contacts 2 channel Monitored start 3TK2826 BB4 DIP switch 1 2 3 4 5 6 7 8 0 1 1 1 Category in accordance with DIN EN ISO 13849 1 4 67 57 7 7 7 9 9 9 9 3 3 9 0 Q 266 266 Safety Integrity Level SIL in accordance with IEC 61508 3 Note Wiring of the light arrays For the exact wiring of the light arrays please refer to the product description for the light ar...

Page 51: ...utostart Without cross circuit detection 2 NC contacts 2 channel Autostart 3TK2826 BB4 DIP switch 1 2 3 4 5 6 7 8 0 1 1 0 0 Category in accordance with DIN EN ISO 13849 1 4 7 7 7 9 9 9 9 3 3 9 0 266 266 Q Safety Integrity Level SIL in accordance with IEC 61508 3 Note Wiring of the light arrays For the exact wiring of the light arrays please refer to the product description for the light array ...

Page 52: ...egory 4 in accordance with EN 954 1 Safety Integrity Level SIL 3 in accordance with IEC 61508 Actuator circuit category 3 in accordance with EN 954 1 Safety Integrity Level SIL 2 in accordance with IEC 61508 13 23 14 24 K1 K2 Figure 10 2 Category 3 in accordance with EN 954 1 Safety Integrity Level SIL 2 in accordance with IEC 61508 In the case of safe laying between terminal 14 and the actuators ...

Page 53: ...r circuit category 2 in accordance with EN 954 1 Safety Integrity Level SIL 1 in accordance with EN 954 1 13 23 14 24 K1 Figure 10 3 Category 2 in accordance with EN 954 1 Safety Integrity Level SIL 1 in accordance with EN 954 1 In combination with signal via output Feedback circuit fault at higher level control ...

Page 54: ...External circuitry 10 3 Output circuit 3TK2826 safety relay 54 Manual 08 2007 GWA NEB 926 1579 02 DS 02 ...

Page 55: ...pprox 0 5 s The configuration of the device is then displayed on the configuration LEDs for approx 3 s If a valid configuration is set and the potentiometer setting has been left unchanged the device is now ready for operation and is in protection mode If the switch position and or the potentiometer setting has been changed the device is in configuration mode See How to configure the device What o...

Page 56: ...Commissioning 11 1 Commissioning 3TK2826 safety relay 56 Manual 08 2007 GWA NEB 926 1579 02 DS 02 ...

Page 57: ...accordance with IEC 60947 1 Annex N Up to 300 V AC Operating range 0 85 to 1 15 Vs in the case of 3TK2826 BB4 0 90 to 1 10 Vs in the case of 3TK2826 CW3 Rated power 3 W Short circuit protection Non floating outputs Relay outputs Outputs short circuit proof DIAZED fuses operating class gl gG 4A or 6A quick acting Switching frequency Max 2000 1 h Response time Typically 50 ms plus the defined deboun...

Page 58: ...rt 100 Safe against finger touch Weight 0 35 kg Permissible service position Any Shock resistance Half sine wave 8g 10 ms PFH 7 8 x 10 9 SFF 99 8 T1 20 years Rated operating currents Ie in accordance with IEC 60 947 5 1 WARNING Short circuit protection in accordance with IEC 60 947 5 1 The device must have an upstream fuse 4 A gL gG or 6 A quick response as short circuit protection Table 12 3 Rate...

Page 59: ... 3TK2826 safety relay Manual 08 2007 GWA NEB 926 1579 02 DS 02 59 12 2 Dimension drawings Dimension drawings 3TK2826 D E F G Figure 12 1 Dimension drawings for 3TK2826 dimensions in mm 3TK2826 1 3TK2826 2 a 94 b 65 c 82 6 84 8 d 105 9 107 7 ...

Page 60: ...Technical data 12 2 Dimension drawings 3TK2826 safety relay 60 Manual 08 2007 GWA NEB 926 1579 02 DS 02 ...

Page 61: ...ndelayed enabling circuits A1 13 14 24 33 43 34 51 52 A2 T3 Y33 T1 Y12 1 Y22 74 Q4 ON Y34 64 Q1 24V DC M 23 44 T2 H1 H2 Q1 Q2 Q3 Q4 H3 Figure 13 1 Block diagram 3TK2826 BB40 WARNING Short circuit protection in accordance with IEC 60 947 5 1 The device must have an upstream fuse 4 A gL gG or 6 A quick response as short circuit protection ...

Page 62: ...0 with undelayed enabling circuits 13 14 24 33 43 44 51 52 A2 A1 T3 Y33 T1 Y12 1 Y22 64 Q4 ON Y34 63 Q1 L N 23 34 T2 4 4 4 4 Figure 13 2 Block diagram 3TK2826 CW30 WARNING Short circuit protection in accordance with IEC 60 947 5 1 The device must have an upstream fuse 4 A gL gG or 6 A quick response as short circuit protection ...

Page 63: ... delayed enabling circuits A1 23 24 32 47 48 61 62 A2 T3 Y33 T1 Y12 1 Y22 84 Q4 ON Y34 74 Q1 24V DC M 14 58 31 13 57 T2 H1 H2 Q1 Q2 H3 Q3 Q4 H4 Figure 13 3 Block diagram 3TK2826 BB41 2 4 WARNING Short circuit protection in accordance with IEC 60 947 5 1 The device must have an upstream fuse 4 A gL gG or 6 A quick response as short circuit protection ...

Page 64: ...delayed and delayed enabling circuits A1 13 24 32 47 57 48 61 52 A2 T3 Y33 T1 Y12 1 Y22 74 Q4 ON Y34 73 Q1 L N 14 58 23 31 T2 4 4 4 4 Figure 13 4 Block diagram 3TK2826 CW31 2 4 WARNING Short circuit protection in accordance with IEC 60 947 5 1 The device must have an upstream fuse 4 A gL gG or 6 A quick response as short circuit protection ...

Page 65: ...2 A1 T3 Y33 T1 Y12 1 Y22 T2 74 Q4 ON Y34 64 A1 13 23 14 24 33 43 34 44 51 52 A2 A1 T3 Y33 T1 Y12 1 Y22 T2 74 Q4 ON Y34 64 Abschaltung Bereich 1 Abschaltung Bereich 2 Übergeordnete Abschaltung Q1 Q1 Q1 24V DC M H1 H2 Q1 Q2 H3 H1 H2 Q1 Q2 H3 Q3 Q4 H1 H2 Q1 Q2 H3 Q3 Q4 Figure 13 5 3TK2826 cascading typical circuit diagram WARNING Short circuit protection in accordance with IEC 60 947 5 1 The device m...

Page 66: ...43 34 44 51 52 A2 A1 T3 Y33 T1 Y12 1 Y22 T2 74 Q4 ON Y34 64 Q1 24V DC M Q1 Q2 Q3 Q4 H1 H1 H2 Figure 13 6 3TK2826 typical circuit diagram of additional safety sensor DIP switch 6 in position 1 cascading input with monitored start WARNING Short circuit protection in accordance with IEC 60 947 5 1 The device must have an upstream fuse 4 A gL gG or 6 A quick response as short circuit protection ...

Page 67: ...l switching duty 7 7 7 4 21 4 9 0 4 4 4 4 0DFKLQH FRQWURO Figure 13 7 3TK2826 typical circuit diagram of normal switching duty DIP switch 6 in position 0 cascading input with autostart WARNING Short circuit protection in accordance with IEC 60 947 5 1 The device must have an upstream fuse 4 A gL gG or 6 A quick response as short circuit protection ...

Page 68: ...Circuit diagrams applications 13 1 Block diagrams 3TK2826 safety relay 68 Manual 08 2007 GWA NEB 926 1579 02 DS 02 ...

Page 69: ...sories Spare parts There are no spare parts because the device is replaced completely in the event of a fault Accessories Table 14 1 Accessories Accessories Machine Readable Product Code Sealable cap to protect against unauthorized adjustment of the time setting 3TK2826 0DA00 0HA0 Push in lug for screw mounting 3RP1903 ...

Page 70: ...Spare parts Accessories 14 1 Spare parts and accessories 3TK2826 safety relay 70 Manual 08 2007 GWA NEB 926 1579 02 DS 02 ...