Anti-Tampering And Tamper Prevention - Landis+Gyr E350 Series User Manual

Description of Unit
2.8

Anti-Tampering and Tamper Prevention

D000027979 en t – E350 Series 2, 3-Phase ZxF100Ax/Cx – User Manual
Measured value
Instantaneous
Apparent Import
2)
Power +VA
Instantaneous
Apparent Export
2)
Power -VA
Instantaneous
2) 3)
Neutral Current
Instantaneous
Current ~ Sum of
2) 3)
I1, I2, I3
Instantaneous U1-
2)
I1 angle
Instantaneous U2-
2) 3)
I2 angle
Instantaneous U3-
2)
I3 angle
Instantaneous U1-
2)
U2 angle
Instantaneous U1-
2) 3)
U3 angle
Instantaneous U2-
2)
U3 angle
1)
Depending on meter configuration (from FW version M27 onwards).
2)
From FW version M29 onwards.
3)
Not applicable to ZFF 3-phase 3-wire meters.
If no value is available, "---" can be shown (e.g. if in no-load or value below
start value).
E350 meters feature four optional anti-tampering functions:

Detection of terminal cover opening

Detection of DC magnetic field

Sealable access lock to voltage connections

Detection of supply control switch tampering (supply control switch
meters only)
Resolution
1° for angles between
U - I
1° for angles between
U - I
1° for angles between
U - I
30° for angles between
U – U
30° for angles between
U – U
30° for angles between
U – U
19/56
Start value Max.
value
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