8
Installation MS20/MS30
Release 13 09/2019
CONTROL DRAWING
for Industrial ETHERNET Rail Switch MS20 and MS30 devices
943-435-999
according to the directive 2014/34/EU
or Class I Division 2 Hazardous Locations
Version: 3
Document No.: 000160011DNR
Page 2/4
WARNING! The USB connection and the V.24
Interface connection are for temporary
connection only, for maintenance use. Do not
use, connect or disconnect unless the area is
known to be non-hazardous. Connection or
disconnection in an explosive atmosphere could
result in an explosion!
Relay
Relay
P1
P2
Power Supply ran
ge “A”
(P1, P2 Redundant)
18
–
32 VDC;
4.0
–
2.25 A; max. 72 W
Temperature Code: T4
Ambient Temperature rating:
Ta: 0°C to +60°C for
“S” types
Ta: -
40°C to +70°C for “T” or “E” types
– refer to the type designation on the device
(Position 10 of nomenclature: “Temperature range”).
Zone 2: Explosive
Atmosphere
or Class I Division 2
Groups A, B, C, D
Hazardous Location
Ordinary Location,
Non-Hazardous Area,
non-explosive atmosphere
The earth conductor must be at
least the same wire size (mm²
or AWG) as the supply
conductors.
MS20/30 switch basic module
with voltage range type “A”
Relay contacts:
Equipment with nonincendive field wiring
parameters.
Polarity is not relevant.
THE RELAY TERMINALS ARE DEPENDENT
UPON THE FOLLOWING ENTITY
PARAMETERS:
1
)
2
)
U
i
I
i
C
i
L
i
30 V
90 mA
2 nF
1 µH
Summary of Contents for Hirschmann MICE MS20
Page 82: ......
