Eaton NZM3 - Data Content of Module 1 Data Inputs; Meaning of the Data Inputs

PROFIBUS-DPV0 functions
89
11/04 MN01219002Z-EN
Meaning of the data inputs
The following data inputs have the following meaning.
Table 6: Data content of module 1 data inputs
Designation
Meaning
Circuit-breaker
position
01
11
Normal operation of the circuit-breaker
(communication in order)
Circuit-breaker faulty or not present
(communication not present)
Circuit-breaker
state
00
01
10
11
Initialisation running
Circuit-breaker is in the “OFF” state
Circuit-breaker is in the “ON” state
Circuit-breaker is in the “Tripped” state
Input 0 to 5 State of the digital inputs of the DMI.
Load rejection
prewarning
At least one phase current has exceeded the load
warning limit (I
r
= 70 %)
Not used No information for evaluation
Overload warning At least one phase current has exceeded the overload 1
limit (I
r
= 100 %)
Ready to switch on 1 The circuit-breaker is switched off (not tripped)
Trip cause
(Release reason)
000
001
010
011
100
101
110
no trip
I
r
I
i
I
sd
I
dn
selectivity, communication fault,
over-temperature hardware fault,
neutral pole overcurrent
General warning
Is set if a warning or a trip is present from the circuit-
breaker
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