Structure 3Tk2822/23; Terminal Assignment - Siemens 3TK28 Manual

Description of the individual safety relays
3.6 3TK28 safety relays with relay enabling circuits
3.6.3.4

Structure 3TK2822/23

3.6.3.5

Terminal assignment

A1
A2
Y11; Y12
Y21; Y22
Y33; Y34
13 - 14
23 - 24
48
Front view
Terminal
L/+
N/-
Channel 1, EMERGENCY STOP or limit switch
Channel 2, EMERGENCY STOP or limit switch
On button, feedback circuit
Enabling circuit 1, (NO)
Enabling circuit 2, (NO)
No. Meaning
①
Display LEDs
② Removable terminal blocks
③
Labels
Description
Manual, 07/2016, NEB926157502000/RS-AB/003
3TK28 safety relays