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Intrinsic Safety Control Drawing A5E00158421-01
ET 200iS
Isolating
transformer
RS-485
(Generator)
P
= 212 mW
0
I
= 228 mA
0
U
= 3,72 V
0
Copyright 2004 by Siemens AG. All Rights Reserved
A5E00158421-01
External RS
485 Field Bus
System
Ui = 4,2 V
I
= 3A
i
L/R ≤ 22 µH/Ω
C ≤ 250 nF/km
6ES7 151-2AA00-0AB0
ET-200iS
IM151-2
RS-485
P
= 106 mW
o
U
= 4,2 V
0
I
= 100 mA
0
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