3TK28 safety relays
Manual, 07/2016, NEB926157502000/RS-AB/003
3
Table of contents
1
Introduction................................................................................................................................... 7
1.1
Purpose of this manual ........................................................................................................ 7
1.2
Required basic knowledge ................................................................................................... 7
1.3
Validity range ...................................................................................................................... 7
1.4
Definitions ........................................................................................................................... 8
1.5
User responsibility for system design and function ............................................................... 8
2
Product-specific safety information .................................................................................................. 9
2.1
Intended use ....................................................................................................................... 9
2.2
Current information about operational safety ...................................................................... 10
2.3
Declaration of conformity ................................................................................................... 10
2.4
General safety notes ......................................................................................................... 11
2.5
Safety information for hazardous areas.............................................................................. 12
3
Description of the individual safety relays ....................................................................................... 13
3.1
Introduction ....................................................................................................................... 13
3.2
Overview ........................................................................................................................... 14
3.3
General technical data ....................................................................................................... 18
3.4
Cable lengths .................................................................................................................... 19
3.5
General information about enabling and signaling circuits .................................................. 20
3.6
3TK28 safety relays with relay enabling circuits ................................................................. 21
3.6.1
3TK2810-0 safety relay ..................................................................................................... 21
3.6.1.1
Applications ....................................................................................................................... 21
3.6.1.2
Description of function and connection information ............................................................ 21
3.6.1.3
Structure of the 3TK2810-0 ............................................................................................... 23
3.6.1.4
Terminal assignment ......................................................................................................... 23
3.6.1.5
Display of the operating state ............................................................................................ 24
3.6.1.6
State diagram 3TK2810-0 .................................................................................................. 25
3.6.1.7
Technical data 3TK2810-0 ................................................................................................. 26
3.6.1.8
Connection examples 3TK2810-0 ...................................................................................... 31
3.6.2
3TK2820 safety relay......................................................................................................... 33
3.6.2.1
Applications ....................................................................................................................... 33
3.6.2.2
Description of function and connection information ............................................................ 33
3.6.2.3
Structure 3TK2820 ............................................................................................................ 34
3.6.2.4
Terminal assignment ......................................................................................................... 34
3.6.2.5
Display of the operating state ............................................................................................ 35
3.6.2.6
Installation 3TK2820 .......................................................................................................... 36
3.6.2.7
Connection 3TK2820 ......................................................................................................... 38
3.6.2.8
Technical data 3TK2820
.............................................................................. 42
