32
D
GB
F
E
I
96389-08.2019-DGbFEIRu
5
|
Electrical connection
5.11 To verify the intrinsic safety of the PTC hot gas sensor
Thermal protection thermostat
(Art. No. 50159)
Conditions for intrinsic safety
U
o
≤
U
i1
15.8
≤
30
[ V ]
U
o
≤
U
i2
15.8
≤
30
[ V ]
I
o
≤
I
i1
200
≤
300
[
mA
]
I
o
≤
I
i2
200
≤
300
[
mA
]
P
o
≤
P
i1
395
≤
9000
[
mW
]
P
o
≤
P
i2
395
≤
9000
[
mW
]
L
o
≥
∑
L
i1
+
L
i2
+
L
c
*
0.5
≥
0.25
*
[
mH
]
C
o
≥
∑
C
i1
+
C
i2
+
C
c
*
478
≥
50
*
[ nF ]
To verify the intrinsic safety of the hot gas sensor, the following values must be rated:
*) Values for
L
c
/ C
c
represent example values for the total output length of 250 m, and they must be
updated by the system builder in accordance with your design
.
L
i1
+
L
i2
: O mH C
i1
+
C
i2
: O nF
