E+E Elektronik EE300E Series, Руководство по эксплуатации

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Technical data for connecting cable
Cable type: ÖLFLEX® EB CY from manufacturer Lapp Kabel
Cable cross-section: 4 x 0.75mm²
(0.06x0.01in²)
Operating capacity: 110nF/km
Inductivity: 0.65mH/km
Cable capacity for 300m
(984ft)
: CK = 0.3km * 110nF/km = 33nF
Cable inductivity for 300m
(984ft)
: LK = 0.3km * 0.65mH/km = 0.195mH
Technical data for EE300Ex (extract from the EC type approval test certificate)
Certified to:
II 1 G Ex ia IIC T4 Ga
II 1 D Ex ia IIIC T80°C Da
Entitiy parameters:
U
i
= 28V
I
i
= 100mA
P
i
= 700mW
C
i
= 2.2nF
L
i
= negligibly small
Evidence of the intrinsic safety in accordance with EN60079-11:2012
EN60079-25:2010 (Appendix A)
U
0
= 27V ≤ U
i
= 28V → ok
I
0
= 88mA ≤ I
i
= 100mA → ok
P
0
= 576mW ≤ P
i
= 700mW → ok
C
0
= 90nF ≥ 2,2nF + 33nF → ok
L
0
= 2,3mH ≥ 0mH + 0,195mH → ok
Protection level of the intrinsically safe current circuit is is met!
Evidence of the intrinsic safety in accordance with EN60079-11:2012,
EN60079-25:2010 (Appendix A)
L
i
= negligibly small → no reduced C
0
and L
0
values required!
YES
YES
YES
YES
NO
NO
NO
NO
L
i
=0
C
i
=0
Full values of C
0
and L
0
can be
utilised
Use reduced C
0
and L
0
values for
mixed electric circuits
For intrinsically safe electric circuits with
linear sources, simplified evaluation rule:
each half value of C
0
and L
0
can be used,
limited to C
0
= 600nF (IIC) and 1 μF (IIB)
L
i
≤ 1%
of L
0
C
i
≤ 1%
of C
0