Installation MS20/MS30
Release 13 09/2019
7
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 1/4
P1
P2
Ordinary Location,
Non-Hazardous Area,
non-explosive atmosphere
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
The earth conductor must be at
least the same wire size (mm²
or AWG) as the supply
conductors.
Power Supply range “C” (P1, P2 Redundant)
18
–
60 VDC;
4.0
–
1.2 A; max. 72 W
Relay contacts:
Equipment with nonincendive field wiring
parameters.
Polarity is not relevant.
THE RELAY TERMINALS ARE DEPENDENT
UPON THE FOLLOWING ENTITY
PARAMETERS:
1
)
2
)
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”).
MS20/30 switch basic module
with voltage range type “C”
Zone 2: Explosive Atmosphere
or Class I, Division 2,
Groups A, B, C, D
Hazardous Location
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: ......
