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isoEV425_D00126_09_M_XXEN/03.2019
9. IsoData data string
In IsoData mode, the ISOMETER® continuosly sends the whole data string
with a cycle time of approximately 1 s. Communication with the ISOMETER®
within this mode is not possible and no additional sender may be connected
via the RS-485 bus cable.
IsoData is activated in the menu "out", menu item "Adr" when it has been set
to Adr = 0. In this event, the symbol "Adr" flashes on the measured value dis-
play.
String Description
!; Start symbol
v; Insulation fault location ' ' / '+' / '-'
1234, 5; Insulation resistance R
F
[k]
1234; System leakage capacitance C
e
[µF]
1234, 5; Reserved
+1234;
Nominal system voltage U
n
[V
RMS
]
Nominal system voltage type: AC or unknown: ' ' DC: '+' / '-'
+1234; Residual voltage U
L1e
[V
DC
]
+1234; Residual voltage U
L2e
[V
DC
]
+123; Insulation fault location -100 … +100 [%]
1234, 5;
Approximate asymmetrical insulation resistance
R
UGF
[k]
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