Siemens 3TK28 - Page 193

Connection
5.3 Disconnecting
3TK28 safety relays
Manual, 07/2016, NEB926157502000/RS-AB/003
193
Disconnecting screw-type terminals
Step
Operating instruction
Figure
1
Unscrew the screw of the screw-type terminal.
2 Remove the cable from the unscrewed screw-
type terminal.
Disconnecting spring-loaded terminals
Step
Operating instruction
Figure
1 Insert the flat-head screwdriver into the square
opening of the spring-loaded terminal until it
engages. Please observe a 10° horizontal
angular deviation of the screwdriver to the oval
opening.
2
Remove the cable from the oval opening.
3 Remove the screwdriver.