Values for input signals, tt 31 r, Attention, Table 2: inputs, tt 31 r – KROHNE OPTITEMP TT 31 R EN User Manual
Page 24
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02/2011 – 4000753501 – MA OPTITEMP TT31CR R01 en
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24
6.1.4
Values for input signals, TT 31 R
Inputs 11-14, 21-24
(Intrinsically safe sensor connection)
U
o
:
≤ 15 VDC
I
o
:
≤ 13 mA
P
o
:
≤
L
o
:
~ 100 mH
C
o
:
~ 550 nF
Table 2: Inputs, TT 31 R
ATTENTION!
The "Input/output/PC isolation" is galvanic isolation, comparable to a Zener barrier. The
TT 31 R can be supplied with an input voltage of <250 V using a non Ex-tested power
supply unit.
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