Bender EDS440-L - Page 25

Mounting
EDS44x_D00201_07_M_XXDE/06.2020
25
5.14 Connection example: ISOMETER® iso685-D-P, EDS440-S, IOM441-S and EDS440-L
* Communication between iso685-x-P and EDS44x-L only via BS bus (RS-485).
L1/+
L3/-
L2
KE
X1
A1/+ A2/-
PGH ON
IT-System
OK
R(an)
4 0 kΩ/10kΩ
OK
>20 MΩ>20 MΩ
iso685-D-P
I L I n
EDS440
ISOSCAN®
ON
EDS44x-S
IOM441-S
ON
IOM441
13 14
23 24
1 2 3 4 5 6 7 8 9 10 11 12
l
k
I n
I L
ISOSCAN®
EDS440
l1 l2 l3 l4 l5 l6 l7 l8 l9 l10 l11 l12
k1 k2 k3 k4 k5 k6 k7 k8 k9 k10 k11 k12
ll
-1
>3s ADDR.
RESET
+1
+10
TEST
CHANNELS / ADDR.
12
11109
87
345621
+10 +20 +40
Addr. Mode
n
∆
I
ALARM
L
∆
I
ALARM
SERVICE
COM/ADDR.
ON
EDS44x-L
L1
L2
L3
N
PE
U
n
U
s
U
s
U
s
LoadLoad
F
back-up
BS bus *
F
back-up
LoadLoad
External
signal