ABB PME120-AN Руководство по эксплуатации - Страница 8
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9. Electrical Connection
Each actuator requires a Contrac electronic unit. Proper actuator operation requires an actuator spe-
cific software loaded in this associated electronic unit. See electronic unit instructions for details. Com-
pare the data labels on both, electronic unit and actuator, in order to ensure a correct hardware and
software assignment.
9.1 Integrated electronic unit (standard)
Power and signal cables are connected to the integrated electronic unit via a plug.
mains
(single
phase)
1
Fig. 4: Electrical connection, standard
The following steps must be performed to switch the actuator to automatic mode (AUT):
- Activate digital inputs DI 1, DI 2 and DI 3 via the configuration program.
- Make sure that the supply voltage is present on digital input 1 (DI 1).
- Activate AUT mode via the configuration program.
9.2 Integrated electronic unit (bus comunication)
mains
(single phase)
Fig. 5: Electrical connection, PROFIBUS DP
8
ext.
fuse
L
N
DI1
DI2
DI3
MAN/AUT MAN (+)
MAN (-)
13
3
4
5
6
7
+
- +
- +
ext.
fuse
L
N
Contrac
Actuator
1
13
Sub Distribution Board
DO1
DO2
DO3
ok/fault
end 0%
end 100%
8
19
20
15
16
17
18
21
-
Contrac Actuator
Bus in
B
A
bus terminals A...B
setpoint
Uv
act. value
+ HART
0/4..20 mA
0/4..20 mA
22
23
9 10
11
12
+
-
-
+
+
-
RB
I
24V
+ -
U
Bus out
bus termination
B
A
S1
transmitter
4..20 mA
1
2
+
RB
+ -
Uv
24V
(Option)
r00295e2
r00011x1