Bender EDS440-L - Connection of the X1 Interface; Connection of the Relays; BS Bus Termination; Connection of the K1-12;L1-12 Interface

MountingMounting
EDS44x_D00201_07_M_XXDE/06.2020
19
5.7 Connection of the X1 interface
5.8 Connection of the relays
I1 Input 1 M+ Dig. current output
I2 Input 2
T
Ground
A RS-485 A (input) A RS-485 A (output)
B RS-485 B (input) B RS-485 B (output)
The EDS44x-L is connected via the X1 plug.
The EDS44x-S does not feature an X1 interface and can only be connected
via the BB bus.
Alarm relay 1
13
N/O contact Alarm relay 2
23
N/O contact
14 24
23 24
24
2
3
2
13 14
4
1
3
1
BA
M+
BA
I2
I1
OFF
OFF
OFF
ON
ON
ON
R
I1 I2 A B
AB
M+
B
B
B
A
A
+
+
M+
M
B
B
B
B
A
A
A
A
I
2
2
I
1
23 24
13 14
OFF
OFF
OFF
ON
ON
ON
R
23 24
13
14
5.9 BS bus termination
Activating a terminating resistor to define the first and the last device in the bus system.
5.10 Connection of the k1-12/l1-12 interface
ON First and last device in a bus OFF All devices between the first
and the last device in the bus
B
B
B
A
A
+
+
M+
M
B
B
B
B
A
A
A
A
I
2
2
I
1
23
24
13
1
4
OFF ON
R
OFF ON
R
1
2 3 4 5 6 7 8 9 10 11 12
L
l 1 l 12l 11l 2 l 10l 9l 8l 7l 6l 5l 4l 3
k 1 k12k11k 2 k10k 9k 8k 7k 6k 5k 4k 3
l1
Measuring current
transformer 1
k1
l2
Measuring current
transformer 2
k2
l3
Measuring current
transformer 3
k3