Siemens 3TK28 - Structure 3 TK2830; Terminal Assignment

Description of the individual safety relays
3.6 3TK28 safety relays with relay enabling circuits
3TK28 safety relays
Manual, 07/2016, NEB926157502000/RS-AB/003
97
3.6.8.3
Structure 3TK2830
Front view
No.
Meaning
①
Display LEDs
②
Removable terminal blocks
③
Labels
3.6.8.4
Terminal assignment
Terminal
Description
A1
L/+
A2
N/-
13 - 14
Enabling circuit 1, (NO)
23 - 24
Enabling circuit 2, (NO)
33 - 34
Enabling circuit 3, (NO)
43 - 44
Enabling circuit 4, (NO)
51 - 52
Monitoring of the 3TK2830 (NC)