Vigilohm System - engineering site - Schneider Electric
Vigilohm System - engineering site - Schneider Electric
Vigilohm System - engineering site - Schneider Electric
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<strong>Vigilohm</strong>: installation and connection<br />
connection (cont.)<br />
When coupling two installations, one of the<br />
two <strong>Vigilohm</strong> insulation monitors must be<br />
disconnected momentarily.<br />
E12008<br />
IMD<br />
MV<br />
LV<br />
IMD<br />
MV<br />
LV<br />
E27111<br />
E24322<br />
TR22A/TR22AH<br />
MERLIN GERIN<br />
vigilohm<br />
TR 22AH<br />
test<br />
K Ω<br />
E18471<br />
aa<br />
1 2 3<br />
TR22A<br />
TR22AH<br />
4 8 9<br />
U < 760 V U < 440 V U < 760 V U < 440 V<br />
MV/LV<br />
cardew C<br />
L3<br />
L2<br />
L1<br />
N<br />
5<br />
TR<br />
22A<br />
4<br />
E24323<br />
MV/LV<br />
cardew C<br />
L3<br />
L2<br />
L1<br />
5<br />
TR<br />
22A<br />
4<br />
E24324<br />
LV/LV<br />
5<br />
TR<br />
22A<br />
4<br />
L3<br />
L2<br />
L1<br />
N<br />
E24325<br />
LV/LV<br />
ut<br />
7<br />
5<br />
TR<br />
22A<br />
4<br />
L3<br />
L2<br />
L1<br />
rS3P1<br />
5 6 10<br />
E26347<br />
U < 1700 V<br />
1<br />
P1<br />
5<br />
6<br />
10<br />
TR<br />
22A<br />
4<br />
L1<br />
L2<br />
L3<br />
N<br />
E26346<br />
2.5 mm 2 wiring<br />
Legend:<br />
aa: AC auxiliary supply, 50-60 Hz<br />
-15 %, +10 %<br />
12 1 3<br />
110-127 V a 110-127 V<br />
220/415 V a 220-240 V 380-415 V<br />
440/525 V a 440-480 V 500-525 V<br />
r: installation<br />
S3: S3 subassembly (optional)<br />
ut: application<br />
P1: P1 subassembly (optional)<br />
Use with failsafe feature: the normally<br />
excited output relay is de-energised in the<br />
event of an auxiliary voltage failure (of<br />
internal or external origin) or an insulation<br />
fault.<br />
auxiliary: S3 inductive<br />
U < 1000 V neutral point subassembly<br />
1<br />
6<br />
P1<br />
5<br />
10<br />
TR<br />
22A<br />
4<br />
L1<br />
L2<br />
L3<br />
E24326<br />
1 2 3<br />
4<br />
S3<br />
L3<br />
L2<br />
L1<br />
N<br />
6<br />
TR<br />
22A<br />
4<br />
E27134<br />
TR5A<br />
E26417<br />
1<br />
r<br />
2<br />
+<br />
TR5A<br />
2.5 mm 2 wiring<br />
6.35 mm tab connector<br />
Legend:<br />
r: installation DC power supply, - 20 %, + 20 %<br />
ut: application<br />
r > 220 V<br />
MERLIN GERIN<br />
TR5A<br />
3<br />
6 7 8<br />
E18566<br />
1 2<br />
3<br />
TR5A<br />
9<br />
r<br />
– +<br />
1 2 3 4<br />
auxiliary<br />
5 plate TR5A<br />
u. t.<br />
Note: for a TR5A with failsafe feature, use terminals<br />
6 and 7.<br />
E26418<br />
2<br />
TR<br />
5A<br />
1<br />
3<br />
+<br />
E27112<br />
SM21<br />
MERLIN GERIN<br />
vigilhom<br />
SM21<br />
1 2 3 4 5 6 7<br />
0,75<br />
0,5<br />
1,0 1,25<br />
1,5<br />
1,75 1,0<br />
1,5<br />
2,0 3,0<br />
AL. REL.<br />
OK<br />
5,0<br />
7,5<br />
test<br />
o f on<br />
E26348<br />
alarm<br />
1 2 3<br />
8 9<br />
SM21<br />
11 13<br />
pre-alarm<br />
5 6 7<br />
E26349<br />
2.5 mm 2 wiring<br />
Legend:<br />
aa: supply<br />
L1<br />
L2<br />
L3<br />
N<br />
13<br />
SM<br />
21<br />
11<br />
M<br />
50761<br />
0,25<br />
Sa<br />
2,0<br />
MΩ<br />
0,5 10<br />
Sp<br />
AL. REL.<br />
8<br />
9<br />
10<br />
11<br />
12<br />
13<br />
14<br />
a. a.<br />
c. a.<br />
Note: make sure that the auxiliary contact of the motor<br />
control system can withstand the rated voltage when the<br />
contact is open.<br />
52
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