32
RHDE250 to RHDE4000 (Contrac)
ELECTRICAL ROTARY ACTUATOR | OI/RHDE250_4000-EN REV. B
… 7 Electrical connections
… Electronic Unit EBN853 (Contrac)
PROFIBUS DP®
Note
• The electrical connection is established via screw terminals on the control actuator and on the electronic unit.
• If you are using a separate heat supply, the heater must be protected with a 2 to 6 A medium time-lag fuse (e.g. NEOZED D01 E14).
M10232
SDB241-B
J
11
12 13
10
1
2
3
5
6
U1
V1 W1 BA1 BA2
2TP1 2TP2
17
18 19
20
22
21
24
23
17
19 20
22
21
24
23
1HE1 1HE2
1
2
L
N
3~ M
PE
PE
PE
S1
30
31
28 29
B1
A1 B2
A2
U
V
W
Br
Br
4
Motor
Br
ak
e
Contrac Ex-actuator
Sensors
Ex
non-Ex
Screen connected to both ends
one-sided screening
in further wiring possible
DO 1
endpos.
0%
DO 2
endpos.
100%
Sub distribution board
Contrac electronic unit
e
x
ternal
fuse
Motor connection chamber
Sensor connection chamber
115 V
/
AC
230 V AC
re
d
gr
een
re
d
gr
een
Bus in
Bus out
Bus termination
Bus connection
Heater approx 6 W (option)
see additional note on this page
110 ... 230 V AC
BA = digital output
Figure 17: Control via fieldbus PROFIBUS DP®