Description of the individual safety relays
3.8 3TK28 safety relays with contactor relay enabling circuits
3TK28 safety relays
Manual, 07/2016, NEB926157502000/RS-AB/003
161
3.8.3.5
Display of the operating state
The operating state and functioning of the device are indicated by three LEDs:
●
POWER
●
RUN
●
FAULT
Operating states of 3TK2853
= off
= on
= flashing
LED
Operation
POWER
RUN
FAULT
EMERGENCY
STOP
ON
Outputs
Cause
Not pressed
Pressed
On
Normal operation
Pressed
no function
Off
EMERGENCY STOP
(protective door) pressed
Not pressed
Not pressed
Contactors opened;
press ON button to start
Fault
•
Fault in electronics
•
Change of pin assignment
during operation
•
Short-circuit to 24 V
Off
-
No supply voltage
Содержание 3TK28
Страница 188: ...Mounting 4 4 Disassembling the device 3TK28 safety relays 188 Manual 07 2016 NEB926157502000 RS AB 003 ...
Страница 204: ...Dimension drawings 6 1 Dimension drawings 3TK28 3TK28 safety relays 204 Manual 07 2016 NEB926157502000 RS AB 003 ...
Страница 206: ...Accessories 3TK28 safety relays 206 Manual 07 2016 NEB926157502000 RS AB 003 ...