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9.
Electrical connection
Each actuator requires a Contrac electronic unit. Proper actuator operation requires an actuator specific
software loaded in the associated electronic unit. Compare the data labels on both, electronic unit and
actuator, in order to ensure a correct hardware and software assignment.
The electrical connection is done with a plug at the actuator and with screw terminals at the electronic
unit.
9.1
EAN823 / EBN853 / EBN861 (Standard)
mains supply
AC115 / 230 V
EBN861:
only AC230 V
L
Han 10E
heater
approx. 6 W
(Option)
1)
Fig. 8:
max 50W with EAN823 and actuator for temperature range -25° ... +55°C
9.2
EAN823 / EBN851 / EBN861 (PROFIBUS DP)
mains supply
AC115 / 230 V
EBN861:
only AC230 V
L
Han 10E
1)
heater
approx. 6 W
(Option)
1)
Fig. 9:
max 50W with EAN823 and actuator for temperature range -25° ... +55°C
ext. fuse
DI1
DI2
DI3
MAN/AUT MAN(+)
MAN(-)
1
2
3
4
5
N
+
- +
- +
H1
H2
U V W Br Br
1
2
1
2
1)
M
3~
motor
ext. fuse
Contrac
N
electronic unit
bus terminals
H1
H2
U V W Br
1
2
3
13 14
1
2
M
3~
motor
brake
Sub distribution board
DO1
DO2
DO3
end pos. end pos
ok/fail.
0%
100%
6
9
11
12
7
8
10
13
-
Contrac Electronic Unit
17 18 19 20 21 22 23 24
PE
3
13 14
17 18 19 20 21 22 23 24
sensors
Contrac Actuator
brake
Bus in
B
A
28
29
PE
17 18 19 20 21 22 23 24
Br
17 18 19 20 21 22 23 24
Contrac
Actuator
screen grounded at both ends
single sided screening
in further wiring possible
setpoint
Uv
transmitter.
+HART
4...20 mA
out
0/4...20mA
14
15
26 27
28 29
+
-
+
-
+
RB
RB
24V
+ -
+ -
Uv
24V
Bus out
bus termination
B
A
S1
30
31
Han 24E
sensors
act. value
0/4...20mA
30
31
+
-
I
U
Han 24E
r00350x1
(r00010x1)
9
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