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2 Motor starter – overview
2.3 Motor starter with safety function (DOS, ROS)
EMS2…-SWD Electronic motor starter
10/19 MN120008EN
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13
2.3.1 Block diagrams
Figure 4: Block diagram: Direct starter with safety function and SWD
Figure 5: Block diagram: Reversing starter with safety function and SWD
Notes
→
The block diagrams in Figure 4 and 5 serve merely to represent
the general functions. The actual wiring depends on the applica-
tion case (
chapter 5, “Application examples”, page 39).
→
For a safety-oriented enable (EN) of the motor starter
EMS2-
DOS
-…-SWD and EMS2-
ROS
-…-SWD, a voltage of 24 V
is required between terminals EN+ and EN-.
This voltage can also be supplied from an external voltage
source (see example below
section 2.3.2, “Safety-oriented
enable”). If there is no signal, the start commands via SWD will
not be accepted.
2/
T1
4/
T2
6/
T3
M
3 ~
-
EN
+
EN+ EN-
RESET
SWD
SWD
1/
L1
3/
L2
5/
L3
8
2/
T1
4/
T2
6/
T3
M
3 ~
-
EN
+
EN+ EN-
RESET
SWD
SWD
1/
L1
3/
L2
5/
L3
8
Содержание EMS2 SWD Series
Страница 1: ...Manual EMS2 SWD Electronic motor starters with SWD 10 19 MN120008EN ...
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Страница 58: ...7 Technical data 54 EMS2 SWD Electronic motor starter 10 19 MN120008EN www eaton com ...
Страница 60: ...8 Dimensions 56 EMS2 SWD Electronic motor starter 10 19 MN120008EN www eaton com ...