2 Engineering
2.2 Safety shutdown with reduced lifespan (EMS-DOS-…/EMS-ROS-…)
44
Elektronischer Motorstarter EMS/Electronic Motor Starter EMS
04/15 MN03407009Z-DE/EN
www.eaton.com
2.2.1 Single-channel switching and control current path emergency stop (reduced lifespan)
Figure 4:
Single-channel main and control current path emergency stop (reduced lifespan)
S2 = Emergency stop, S3 = Reset
Emergency stop (single-channel) – (as per cat. 3, SIL 3, PL e): EMS-ROS-…
with higher-level safety relay combination within an enclosed control cabinet
L1
L2
L3
N
PE
GND
EMS-ROS-...
ESR5-NO-21-24 V AC-DC
24 V DC
GND
24 V DC
F1
3/
L2
1/
L1
A
2
A
1
E R L
5/
L3
2/
T1
4/
T2
6/
T3
95 96 98
M
3 ~
PE
W1
V1
U1
MAN
RES
AUT
S2
S2
A1
S11 S12 S21 S22
13 23 31
A2
S33 S34
14 24 32
S3
