MI 3155
Eurotest
XD
Test and measurements
173
7.32
AUTO TN (RCD) – Auto test sequence for TN
earthing system with RCD
Tests / measurements implemented in AUTO TN (RCD) sequence
Voltage
Z line
Voltage Drop
Zs rcd
Rpe rcd
Figure 7.109: AUTO TN (RCD) menu
Measurement parameters / limits
Fuse type
Selection of fuse type
[Off, gG, NV, B, C, D, K, Custom]
Fuse I
Rated current of selected fuse
Fuse t
Maximum breaking time of selected fuse
I (
U)
1)
Rated current for
U measurement (custom value)
Isc factor
Isc factor
[0.20 … 3.00]
I test
Test current
[Standard, Low]
Limit(
∆
U)
Maximum voltage drop
[3.0 % ... 9.0 %]
Ia(Ipsc (LN), Ipsc (LPE))
Minimum short circuit current for selected fuse or custom
value
Limit (Rpe)
Max. resistance
[Off, 0.1
... 20.0
]
1)
Applicable if Fuse type is set to Off or Custom.
Refer to
Fuse tables guide
for detailed information on fuse data.
Connection diagram
Figure 7.110: AUTO TN (RCD) measurement