ABB i-bus
®
KNX
Product overview
12 9AKK107992A4580_EN Rev. A | SU/S 30.640.2
3.5.3
Operating and display elements
Button/LED
Description
LED indicator
Reset
With reset, the overload display and the fault
signal relay are reset, there is no reset of the KNX
bus.
If the fault has not been rectified before pressing
the reset button, the fault is still present, the
potential-free changeover contact and the LED
remain in the fault position.
AC Input
Off: No mains voltage
On: Mains voltage OK
Battery
Off: No battery connected or battery fault
On: Battery OK
U
N
KNX
Off: Overload/bus line short circuit
On: Bus line OK
I
N
Overload
Off: Bus line OK
On: Overload/bus line short circuit
Tab. 4: Operating and display elements
Summary of Contents for i-bus KNX SU/S 30.640.2
Page 1: ... PRODUCT MANUAL ABB i bus KNX SU S 30 640 2 Uninterruptible KNX Power Supply 640 mA ...
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Page 42: ...ABB i bus KNX Appendix 42 9AKK107992A4580_EN Rev A SU S 30 640 2 13 3 Notes ...
Page 43: ...ABB i bus KNX Appendix SU S 30 640 2 9AKK107992A4580_EN Rev A 43 ...