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isoPV1685RTU:
Switch position:
Up = Off
Down = On
2
A3
A2
3
A1
4
A0
5
6
7
8
8.1.7
Alarm and operating messages via BMS bus
Messages are transmitted via up to 12 BMS channels. All alarm and operating messages
that may occur are described below.
8.1.7.1
Alarm messages
Alarm
Alarm 1 (insulation fault)
Alarm 2 (insulation fault)
Connection system
(reverse polarity)
Connection PE
Device error
Overtemperature coup-
ling
Overtemperature coup-
ling
Overtemperature PGH
38
BMS addr.
Ch.
Insulation resistance < response value R
1
Insulation resistance < response value R
2
4
Connection fault: L+, L– reversed
5
Connection fault: E/KE not connected to PE
7
Internal device error with error code
10
Overtemperature coupling L+
11
Overtemperature coupling L–
Overtemperature of the locating current injector;
12
Channel only used in isoPV1685P
DIP switch SS8103
A4
A3
2
0
0
3
0
0
4
0
0
5
0
0
6
0
0
7
0
0
8
0
0
9
0
0
10
0
1
..
..
..
...
...
...
33
1
1
Meaning
isoPV1685xxx_D00007_08_M_XXEN/03.2023
Device communication
A2
A1
A0
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
0
0
0
..
..
..
...
...
...
1
1
1
(prewarning)
an1
(alarm)
an2
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