Analog / Digital - ABB RHDE250 Series Operating Instruction

RHDE250 to RHDE4000 (Contrac) ELECTRICAL ROTARY ACTUATOR | OI/RHDE250_4000-EN REV. B
Electronic unit EBS852 (Contrac) / EBS862 (Contrac)

Analog / Digital

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).
SDB241-B
PE
115 V AC /
230 V AC
non-Ex
Ex
2TP1 2TP2
BE = digital input
BA = digital output
Figure 18: Control via analog input 0/4 to 20 mA, HART® communication or digital inputs
Change from one to two columns
DI 2 DI 3
DI 1
MAN (+) MAN
MAN AUT /
+3 -4 +5
L N +1 -2
U V W Br Br
1 2 3 5
U1 V1 W1 BA1 BA2
3~ M
Motor
J
Sub distribution board
Screen connected to both ends
one-sided screening
in further wiring possible
DO 2 DO 3
DO 1
endpos. endpos.
(-)
o.k./fault
0% 100%
-6 7 8 9 10 11 12 13 +14 -15
Contrac electronic unit
PE
6
4
110 ... 230 V AC
1HE1 1HE2
PE
Motor connection chamber
Heater approx 6 W (option)
see additional note on this page
Contrac Ex-actuator
Setpoint
Uv Transmitter
+ HART
out 4 ... 20 mA
0/4 ... 20 mA
+26 -27 +28 29
RB
RB
24V
+ - + -
Uv
24V
17 18 19 20 21
19 20
17 21
1 2
Sensor connection chamber
Sensors
33
act. pos.
0/4 ... 20 mA
+30 -31
I
U
22 23 24
23
22 24
M10210