119MN024-010
TPRF
External Alarms
The rear side of the TPRF31 Fast MiniRack is provided with two Alarm-output dry-contacts,
which are able to provide alarm information about Major Alarms (Alarm Outputs 1, see Figure
4.2.8 c) and Minor Alarms (Alarms Output 2, see Figure 4.2.8 c).
A full description of these Major and Minor Alarms is provided in Table 4.2.
External Alarm Outputs are Phoenix Contact MC1, 5-3-G-3.5 connectors.
Normally Closed (to CC)
Normally Closed (to CC)
Common Contact (CC)
Figure 4.2.8:
Auxiliary Inputs (b) and External Alarm Outputs
(c) on the TPRF31 rear side (a). Description of the
External Alarm Outputs (d). Alarm Outputs 1 and 2
(c) refers to Major and Minor alarms, respectively
(a)
(b)
(c)
(d)
Alarm
Outputs
21
Aux
Inputs
21
Alarm
Output N°
Description Active Alarm Severity
1
Major and Critical
alarms
None ---
I2CBus alarm Critical
Vcc Major
Slot 1 does not host a card and is not masked Critical
Slot 2 does not host a card and is not masked Critical or Major
At least one sub-system unit has a critical or
major alarm
Major
2
Minor and Warning
alarms
None ---
Temperature Warning
At least one sub-system unit has a critical or
major alarm
Minor or Warning
Table 4.2.5: Description of the Alarm information available
through the External alarm contacts
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