Siemens 3TK28 User Manual

Table of contents
3TK28 safety relays
Manual, 07/2016, NEB926157502000/RS-AB/003
5
3.6.8.4 Terminal assignment ......................................................................................................... 97
3.6.8.5 Display of the operating state ............................................................................................ 98
3.6.8.6 State diagrams 3TK2830 ................................................................................................... 98
3.6.8.7 Technical data 3TK2830 .................................................................................................... 99
3.6.8.8 Connection examples 3TK2830 ....................................................................................... 102
3.6.9 3TK2834 two-hand control device .................................................................................... 103
3.6.9.1 Applications ..................................................................................................................... 103
3.6.9.2 Description of function and connection information .......................................................... 103
3.6.9.3 Structure 3TK2834 .......................................................................................................... 104
3.6.9.4 Terminal assignment ....................................................................................................... 104
3.6.9.5 Display of the operating state .......................................................................................... 105
3.6.9.6 Technical data 3TK2834 .................................................................................................. 106
3.6.9.7 Connection example ........................................................................................................ 109
3.7 3TK28 safety relays with solid-state enabling circuits ....................................................... 110
3.7.1 3TK2840 safety relay....................................................................................................... 110
3.7.1.1 Applications ..................................................................................................................... 110
3.7.1.2 Description of function and connection information .......................................................... 110
3.7.1.3 Structure 3TK2840 .......................................................................................................... 111
3.7.1.4 Terminal assignment ....................................................................................................... 111
3.7.1.5 Display of the operating state .......................................................................................... 112
3.7.1.6 State diagrams 3TK2840 ................................................................................................. 113
3.7.1.7 Technical data 3TK2840 .................................................................................................. 114
3.7.1.8 Connection examples 3TK2840 ....................................................................................... 116
3.7.2 3TK2841 safety relay....................................................................................................... 118
3.7.2.1 Applications ..................................................................................................................... 118
3.7.2.2 Description of function and connection information .......................................................... 118
3.7.2.3 Structure 3TK2841 .......................................................................................................... 119
3.7.2.4 Terminal assignment ....................................................................................................... 119
3.7.2.5 Display of the operating state .......................................................................................... 120
3.7.2.6 State diagrams 3TK2841 ................................................................................................. 121
3.7.2.7 Technical data 3TK2841 .................................................................................................. 122
3.7.2.8 Connection examples 3TK2841 ....................................................................................... 124
3.7.3 3TK2842 safety relay....................................................................................................... 127
3.7.3.1 Applications ..................................................................................................................... 127
3.7.3.2 Description of function and connection information .......................................................... 127
3.7.3.3 Structure 3TK2842 .......................................................................................................... 128
3.7.3.4 Terminal assignment ................................................................
....................................... 128
3.7.3.5 Display of the operating state .......................................................................................... 129
3.7.3.6 State diagrams 3TK2842 ................................................................................................. 130
3.7.3.7 Technical data 3TK2842 .................................................................................................. 131
3.7.3.8 Connection examples 3TK2842 ....................................................................................... 133
3.8 3TK28 safety relays with contactor relay enabling circuits ................................................ 136
3.8.1 3TK2805 / 3TK2806 safety relays .................................................................................... 136
3.8.1.1 Applications ..................................................................................................................... 136
3.8.1.2 Description of function and connection information .......................................................... 136
3.8.1.3 Structure 3TK2805/06 ..................................................................................................... 137
3.8.1.4 Terminal assignment ....................................................................................................... 137
3.8.1.5 Display of the operating states ......................................................................................... 138
3.8.1.6 State diagrams 3TK2805 / 3TK2806 ................................................................................ 138
3.8.1.7 Technical specifications 3TK2805/ 3TK2806 .................................................................... 139
3.8.1.8 Connection examples 3TK2805/ 3TK2806 ....................................................................... 140

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