Siemens 3TK28 User Manual

Table of contents
3TK28 safety relays
4 Manual, 07/2016, NEB926157502000/RS-AB/003
3.6.2.9 Connection examples 3TK2820 ..........................................................................................45
3.6.3 3TK2822 / 3TK2823 safety relays .......................................................................................47
3.6.3.1 Applications........................................................................................................................47
3.6.3.2 Description of function ........................................................................................................47
3.6.3.3 Connection advice ..............................................................................................................47
3.6.3.4 Structure 3TK2822/23 ........................................................................................................48
3.6.3.5 Terminal assignment ..........................................................................................................48
3.6.3.6 Display of the operating state .............................................................................................49
3.6.3.7 State diagrams 3TK2822 / 3TK2823 ...................................................................................50
3.6.3.8 Technical data 3TK2822 / 3TK2823 ....................................................................................51
3.6.3.9 Connection examples 3TK2822 / 3TK2823 .........................................................................54
3.6.4 3TK2821 / 3TK2824 safety relays .......................................................................................55
3.6.4.1 Applications........................................................................................................................55
3.6.4.2 Description of function and connection information .............................................................55
3.6.4.3 Structure 3TK2821/24 ........................................................................................................56
3.6.4.4 Terminal assignment ..........................................................................................................56
3.6.4.5 Display of the operating state .............................................................................................57
3.6.4.6 State diagrams 3TK2821 / 3TK2824 ...................................................................................57
3.6.4.7 Technical data 3TK2821 / 3TK2824 ....................................................................................58
3.6.4.8 Connection examples 3TK2821 / 3TK2824 .........................................................................61
3.6.5 3TK2824-.A.20 safety relay ................................................................................................64
3.6.5.1 Applications........................................................................................................................64
3.6.5.2 Description of function and connection information .............................................................64
3.6.5.3 Structure 3TK2824-.A.20 ....................................................................................................65
3.6.5.4 Terminal assignment ..........................................................................................................65
3.6.5.5 Display of the operating state .............................................................................................66
3.6.5.6 State diagrams 3TK2824-.A.20 ...........................................................................................66
3.6.5.7 Technical data 3TK2824-.A.20 ...........................................................................................67
3.6.5.8 Connection examples 3TK2824-.A.20 .................................................................................70
3.6.6 3TK2825 safety relay .........................................................................................................72
3.6.6.1 Applications........................................................................................................................72
3.6.6.2 Description of function and connection information .............................................................72
3.6.6.3 Commissioning...................................................................................................................72
3.6.6.4 Structure 3TK2825 .............................................................................................................73
3.6.6.5 Terminal assignment ..........................................................................................................73
3.6.6.6 Display of the operating state .............................................................................................74
3.6.6.7 State diagrams 3TK2825 ....................................................................................................75
3.6.6.8 Technical data 3TK2825 .....................................................................................................76
3.6.6.9 Connection examples 3TK2825 ..........................................................................................79
3.6.7 3TK2827 / 3TK2828 safety relays .......................................................................................82
3.6.7.1 Applications................................
........................................................................................82
3.6.7.2 Description of function and connection information .............................................................82
3.6.7.3 Structure 3TK2827/28 ........................................................................................................84
3.6.7.4 Terminal assignment ..........................................................................................................84
3.6.7.5 Display of the operating state .............................................................................................85
3.6.7.6 State diagrams 3TK2827 / 3TK2828 ...................................................................................86
3.6.7.7 Technical data 3TK2827 / 3TK2828 ....................................................................................87
3.6.7.8 Connection examples 3TK2827 / 3TK2828 .........................................................................93
3.6.8 3TK2830 expansion unit .....................................................................................................96
3.6.8.1 Applications........................................................................................................................96
3.6.8.2 Description of function and connection information .............................................................96
3.6.8.3 Structure 3TK2830 .............................................................................................................97

Siemens 3TK28 Specifications

General

Type	Safety relay
Mounting Type	DIN rail mounting
Type of Voltage	AC/DC
Control Supply Voltage at DC	24 V
Performance Level According to EN ISO 13849-1	PL e
Category According to EN ISO 13849-1	Category 4
Mechanical Durability	10, 000, 000 cycles
Electrical Durability	100, 000 cycles
Protection Class	IP20
Product Function	Safety Monitoring
Suitability for Use	Emergency stop, safety doors
Supply Voltage Frequency	50/60 Hz
Control Supply Voltage at AC at 50 Hz	24 V
Control Supply Voltage at AC at 60 Hz	24 V
Stop Category	0
SIL According to IEC 61508	SILCL 3
Type of Electrical Connection	Screw Connection
Rated Control Supply Voltage	24 V