Operation
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2010
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6.1.1
LEDs
When the pushbutton is pressed shortly (0.2 s ... 5 s), the three LEDs indicate the status of
the adapter (see chapter 6.1.2).
Note!
To save battery power all LEDs are off during normal operation, even if the device is
communicating or joining the network. The LEDs only light up after start up or while
pressing the buttons.
LED indicators
Number of LEDs
3 (green, yellow, red)
Indications of green LED (battery status)
LED on
Status "Normal": At least one month of battery life is left.
LED flashes at 1 Hz
Status "Warning": Less than one month of battery life is left.
LED flashes at 3 Hz
Status "Alarm": The battery is critically low, loop power cannot be
supplied.
•
Any current signal cannot be read (4 ... 20 mA device).
•
The adapter still operates, but the connection is not assured.
LED off
Status "Off": The battery is flat or disconnected.
Indications of yellow LED (communication status)
LED on
Status "Joined, alternative path": The device was has full network
connection. It is able to communicate with at least 2 wireless nodes. At
least one alternative communication path to the gateway is available.
LED flashes at 1 Hz
Status "Joined, no alternative path": The device was able to join the
network. However, it can communicate with a single wireless node only.
There is no alternative communication path to the gateway.
LED flashes at 3 Hz
Status "Joining": The device is attempting to join the network. The adapter
will attempt to join for 40 minutes by default. Longer joining periods can be
configured if required.
LED off
"Not joined" mode: Joining the network has failed. The device is no longer
attempting to join.
Indications of red LED (device status)
50 ms on
950 ms off
Device in communication mode: It is possible to communicate with the
adapter.
LED on
Status "Internal fault": Device fault that cannot be remedied by the user.
LED flashes at 1 Hz
Status "External fault": Operative fault which can possibly be remedied by
the user:
•
Adapter temperature outside specified limits,
•
Measured value outside configured range.
Operative faults can be viewed with the Diagnosis function of the DTM.
LED flashes at 3 Hz
Status "Short-circuit": There is a short-circuit between terminals 1 and 2.
LED off
No fault
