Belden HIRSCHMANN BRS20, Руководство пользователя

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Installation BRS20/22/30/32/40/42/50/52
Release 06 03/2020
11
Control Drawing for BRS devices according to Class I, Division 2 Hazardous Locations
Rev.: 3 Document No.: 000217023DNR Page 1/2
Ordinary Location,
Non-Hazardous Area,
Non-Explosive Atmosphere
Explosive Atmosphere
Class I, Division 2, Groups A, B,
C, D, T4
(**)
Hazardous Location
BRS - Industrial Ethernet
BOBCAT Rail Switch
(**) Temperature Code: T4
Ambient Temperature rating:
Ta: 0 °C to +60 °C for “S“ or “C“ temperature types
7Díƒ&WRƒ&IRU³7³RU³(³WHPSHUDWXUHW\SHV
(Refer to the type designation on the device.)
(*)
Associated apparatus:
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RIQRQLQFHQGLYH¿HOGZLULQJDSSDUDWXVDQGDVVRFLDWHGQRQLQFHQGLYH
¿HOGZLULQJDSSDUDWXVXVLQJDQ\RIWKHZLULQJPHWKRGVSHUPLWWHGIRU
XQFODVVL¿HGORFDWLRQVZKHQFHUWDLQSDUDPHWULFFRQGLWLRQVDUHPHW
Capacity: Ca
•&
i + CCable;
Inductivity: La
•/
i + LCable
The ACA22-USB-C (EEC) storage medium is mechanically secured
to prevent disconnection.
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non-hazardous locations.
WARNING!
&RQQHFWLRQRUGLVFRQQHFWLRQLQDQH[SORVLYHDWPRVSKHUH
FRXOGUHVXOWLQDQH[SORVLRQ
7KHPD[LPXPFDEOHOHQJWKKDVWREHGHWHUPLQHGDVIROORZV
DPD[FDEOHOHQJWK
< (La
í/
i) / CableL
(“ CableL “ denotes the inductance per unit length of used cable)
and
EPD[FDEOHOHQJWK
< (Ca
í&
i) / CableC
(“ CableC “ denotes the capacitance per unit length of used cable)
The lower value of (a) and (b) is to apply.
Relay contacts:
(TXLSPHQWZLWKQRQLQFHQGLYH¿HOGZLULQJSDUDPHWHUV
Polarity is not relevant.
The relay terminals are dependent upon the following entity parame-
ters
(*)
:
9PD[ ,PD[ Ci Li
30 V 90 mA 2 nF 1 μH
USB
Relay
The earth conductor
must be at least
the same wire size
(mm² or AWG) as the
supply conductors of
the supply voltage.