110
Advanced Operations
Switched PDU
Installation and Operations Manual
Temperature/Humidity Sensor Status Traps
Status
Error
Description
Found
The PDU found the sensor and connection is established.
NotFound
On a fresh reboot, the PDU does not find a sensor.
Lost
x
The connection to a previously found sensor is now lost.
NoComm
x
Communication loss occurred due to a hardware issue (not loss of communication with the probes).
1
1
= The ENV part of the sensor supports two Temperature/Humidity (T/H) probes as part of the master unit, two T/H
probes as part of the link unit, and the optional EMCU-1-1 (which can support two T/H probes, four contact-closure
monitoring points, and one water sensor). The “No Comm” sensor status is not loss of communication with probes
themselves.
NOTE:
Traps are generated according to a hierarchical architecture, for example, if a Tower Status enters a trap condition, only the Tower
Status trap will be generated. Infeed, Outlet, Environmental Monitor or Sensor Status and Temp and Humid traps will be suppressed until
the Tower Status returns to Normal.
Change trap
The Change trap is generated for all outlet status changes between any on/off conditions. Change traps include the
outlet status, Location of the PDU, and identifier and name of the affected outlet. For descriptions of the outlet status
types, please refer to the prior table.
Load Trap
The Load trap is generated whenever the total input load on an infeed exceeds a preset threshold. Load traps include
the reported input load, load status, Location of the PDU, and identifier and name of the affected infeed.
Any error state generates a Load trap and triggers the trap timer. A new trap is generated at the end of every timer period
until the Load returns to a non-error status.
Load traps
Status
Error
Description
Normal
Infeed is on and within preset thresholds
NotOn
Infeed is off
Reading
Non-error state
– Load status currently being read
LoadHigh
x
Infeed current load exceeds preset threshold
OverLoad
x
Infeed current load exceeds the measurable range for the infeed
ReadError
x
Unable to read Load status
NoComm
x
Communication to the infeed has been lost
Temp Trap
The Temp trap is generated whenever the temperature on a temperature/humidity sensor is beyond preset thresholds.
Temp traps include the reported temperature, temp status, Location of the PDU, and identifier and name of the
affected sensor.
Any error state generates a Temp trap and triggers the trap timer. A new trap is generated at the end of every timer
period until the Temp returns to a non-error status.
Temp traps
Status
Error
Description
Normal
The sensor is working correctly and the temperature is within preset thresholds
NotFound
No sensor has been detected
Reading
Temp status currently being read
TempLow
x
Temperature at the sensor below preset low threshold
TempHigh
x
Temperature at the sensor exceeds preset high threshold
ReadError
x
Unable to read Temp status
Lost
x
Sensor initially detected but communication to the sensor has been lost
NoComm
x
Communication to the sensor has been lost
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