
Device overview
isoPV1685xxx_D00007_05_M_XXEN/02.2020
13
4.2 Connections
I2+ I2- I1+ I1-
I2+ I2- I1+ I1-
CAN 1
CAN 2
RS-485
Term.
off on
A B S
A B S
k l kT IT
k I kT IT
31 32 34
K3
31 32 34
21 22 24
K2
21 22 24
11 12 14
K1
11 12 14
E KE
E KE
A1 A2
A1 A2
I2+
I2-
I1+
I1-
Digital inputs
RS-485 Term.
off
on
CAN 1
CAN 2
A, B, S
RS-485 bus
connection (A,B)
Protocol: BMS
or Modbus
k
I
kT
IT
31, 32, 34
Relay output
for device er-
ror ("Service"
21, 22, 24
Relay output for
alarm
insulation fault
11, 12, 14
Relay output for
alarm
insulation fault
E, KE
Connection earth/reference.
Connect both to PE
A1, A2
Supply voltage DC 24
V.
Arbitrary polarity
L2/L-
L2/-
L1/L+
L1/+
Coupling terminal L2/L-
Coupling terminal L1/L+