Connections - Bender ISOMETER iso1685DP-425 Manual

Device overview

4.2 Connections

13
A, B, S
RS-485 bus
connection (A,B)
Protocol: BMS
S= PE potential
CAN 1
Connect one end of
CAN 2
no function shield
CAN 1 RS-485
CAN 2
Term.
I2+ I2- I1+ I1- off on A B S
I2+ I2- I1+ I1- A B S
I2+ off
I2- on
I1+
RS-485
I1- termination
Digital inputs
L2/L-
Coupling terminal L2/-.
Connection to L2/- of the IT system
via 1 A fuse
31, 32, 34
11, 12, 14
Relay output for
Relay output for
internal device
alarm 1 insulation
errors
faults
(SERVICE LED)
K3 K2 K1
k l kT IT 31 32 34 21 22 24 11 12 14
k I kT IT 31 32 34 21 22 24 11 12 14
k 21, 22, 24
I
Relay output for alarm
kT 2 insulation faults
IT
no function
L1/L+
Coupling terminal L1/+.
Connection to L1/+ of the IT system
via 1 A fuse
A1, A2
Supply voltage U DC 24 V
s
Arbitrary polarity
Connection via fuses, 2 A each
E KE A1 A2
E KE A1 A2
E, KE
Separate connection of E (earth) and
KE (reference) to PE.
Connect both to PE
isoxx1685Dx-x25_D00272_06_M_XXEN/04.2020