STEINEL P640 KNX Manual De Instrucciones página 16

Power Supply P640 KNX, Power Supply P1280 KNX
– No-load proof
– Suitable for operation in systems with emergency power supply
– Potential-free signal contact for operating and diagnostic message
– Two identical voltage supplies can be connected in parallel (with the version
640 mA)
4 Operation
Acknowledging the diagnostic message
After detecting a overvoltage or a short circuit the LED and the signal contact signal
the event until the message is acknowledged.
￭ Press the Reset button for less than 0.5 seconds.
LED functions and signal contact
Normal op-
eration
Reset for
20 seconds
Permanent
reset
Overvoltage flashes
Overload,
short-circuit
KNX voltage
failed / in-
ternal error
In normal operation, control of the voltage supply is not necessary. The button (8) is
recessed and thus prevents that it is inadvertently actuated in operation.
Reset function and Reset button
When a bus segment is reset, the output voltage of the voltage supply is switched off.
At the same time the bus line is short-circuited so that all connected bus devices are
disconnected from the bus voltage.
82597336
LED LED
Betrieb (2), Überlast (3),
green red
on off
on off
on off
off
0.5 Hz
flashes on (until the
0.5 Hz message is
acknow-
ledged)
off off
LED
Überspan-
nung (4), yel-
low
off
off
off
on (until the
message is
acknow-
ledged)
off
off
5 / 11
LED Signal con-
Reset (7),
tact (9)
red
off closed
flashes closed
2.5 Hz
flashes closed
0.25 Hz
off open (until
the message
is acknow-
ledged)
off open (until
the message
is acknow-
ledged)
off open
22.08.2023