Poseidon2
– Family manual
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Common features of Poseidon2 family
Displayed readings options
The Poseidon2 unit displays current readings from all connected sensors.
Dry contact inputs are scanned approximately every 200ms.
Values from all sensors on both buses (RS-485 and 1W bus) are read in a single loop that
repeats once per second; however, the actual time needed to read the sensors may vary
from 1 to 30 seconds
All values are in the “integer/10” format, range is ±999.9.
A value of 999.9
is out of range for all supported sensors and indicates that the sensor was
not found.
If you have disconnected or replaced a sensor, run sensor autodetection, or remove
the sensor from the list.
When the Poseidon2 unit is overloaded with network requests (as is sometimes the
case, for example, with our public online demo), -999.9 can sometimes appear even
though the sensor works properly. This is due to limited computing performance of the
unit. Try to reduce the load.
Units are assigned to values automatically according to the detected sensor type. Supported
units include:
Temperature: °C, °K, °F
(please note that Safe Range thresholds can be set in °C only)
Humidity: %RH
Voltage: V, current: A or mA
Other units: %, etc...
Input / sensor in alarm state
Alarm state can be set independently for every input (contact) / sensor.
For a sensor, “Alarm” occurs whenever the reading is outside of the specified Safe Range,
as long as alarm alerting is enabled for at least one notification method (SNMP / e-mail &
SMS).
Response to a sensor being disconnected
-999.9 is displayed
The value evaluates as an “Alarm” (reading out of the specified Safe Range). If alarm
alerting is enabled for the given sensor, e-mail or SNMP trap is sent.
• More information about data formats, variables
identification and SDK can be found in
Thorough Poseidon
family manual
.
TIP
