Siemens SITRANS TH Notice De Service page 16

Table 4-3 For T
a
Maximum values of the auxiliary power supply and signal circuits in accordance with FISCO:
U = 17.5 V DC
i
L = 1 μH
i
Table 4-4 For T
a
Maximum values of the auxiliary power supply and signal circuits in accordance with FISCO:
U = 15 V DC
i
L = 1 μH
i
Maximum values of the sensor circuit for Ex ia:
U = 5.7 V DC:
0
L [mH]
0
C [μF]
0
Zone 1 in type of protection "ib" - intrinsic safety
● Only connect the transmitter, in accordance with the certificate of compliance, to devices certified as intrinsically-safe.
● The transmitter must be mounted in an enclosure in order to provide a degree of protection of at least IP20 according to
EN60529
Table 4-5 For T
a
Maximum values of the auxiliary power supply and signal circuits:
U = 30 V DC
i
L = 1 μH
i
Table 4-6 For T
a
Maximum values of the auxiliary power supply and signal circuits in accordance with FISCO:
U = 17.5 V DC
i
L = 1 μH
i
Maximum values of the sensor circuit for Ex ia:
U = 5.7 V DC:
0
L [mH]
0
C [μF]
0
Zone 2 in type of protection "nL/ic"
● Install the transmitter in an enclosure meeting the degree of protection IP54 per EN 60529, e.g. in a type B connection
head per DIN 43729.
● Only connect the transmitter to devices that have at least been approved as certified devices of Category 3.
● Be sure to observe the respective values.
Table 4-7 For T
a
Maximum values of the auxiliary power supply and signal circuits:
U = 32 V DC
i
L = 1 μH
i
16
≤ 85 °C (T4); T ≤ 60 °C (T5); T
a
I = 250 mA
i
C = 2 nF
i
≤ 85 °C (T4); T ≤ 60 °C (T5); T
a
I = any
i
C = 2 nF
i
≤ 85 °C (T4); T ≤ 75 °C (T5); T
a
I = 250 mA
i
C = 2 nF
i
≤ 85 °C (T4); T ≤ 75 °C (T5); T
a
I = any
i
C = 2 nF
i
≤ 85 °C (T4); T ≤ 75 °C (T5); T
a
I = any
i
C = 2 nF
i
≤ 45 °C (T6)
a
≤ 45 °C (T6)
a
I = 8.4 mA
0
200
40
≤ 60 °C (T6)
a
≤ 60 °C (T6)
a
I = 8.4 mA
0
200
40
≤ 60 °C (T6)
a
P = 2000 mW
i
P = any
i
P = 12 mW
0
P = 5320 mW
i
P = any
i
P = 12 mW
0
P = any
i
A5E32363963-02, 09/2021
SITRANS TH/TR/TF