Siemens SITRANS TF Series, Compact Operating Instructions

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SITRANS TH/TR/TF
16
A5E32520700-01, 06/2013
Table 4-3 For T
a
≤ 85 °C (T4); T
a
≤ 60 °C (T5); T
a
≤ 45 °C (T6)
Maximum values of the auxiliary power supply and signal circuits in accordance with FISCO:
U
i
= 17.5 V DC I
i
= 250 mA P
i
= 2000 mW
L
i
= 1 μH C
i
= 2 nF
Table 4-4 For T
a
≤ 85 °C (T4); T
a
≤ 60 °C (T5); T
a
≤ 45 °C (T6)
Maximum values of the auxiliary power supply and signal circuits in accordance with FISCO:
U
i
= 15 V DC I
i
= any P
i
= any
L
i
= 1 μH C
i
= 2 nF
Maximum values of the sensor circuit for Ex ia:
U
0
= 5.7 V DC: I
0
= 8.4 mA P
0
= 12 mW
L
0
[mH] 200
C
0
[μF] 40
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
≤ 85 °C (T4); T
a
≤ 75 °C (T5); T
a
≤ 60 °C (T6)
Maximum values of the auxiliary power supply and signal circuits:
U
i
= 30 V DC I
i
= 250 mA P
i
= 5320 mW
L
i
= 1 μH C
i
= 2 nF
Table 4-6 For T
a
≤ 85 °C (T4); T
a
≤ 75 °C (T5); T
a
≤ 60 °C (T6)
Maximum values of the auxiliary power supply and signal circuits in accordance with FISCO:
U
i
= 17.5 V DC I
i
= any P
i
= any
L
i
= 1 μH C
i
= 2 nF
Maximum values of the sensor circuit for Ex ia:
U
0
= 5.7 V DC: I
0
= 8.4 mA P
0
= 12 mW
L
0
[mH] 200
C
0
[μF] 40
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 4372 9.
● 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
≤ 85 °C (T4); T
a
≤ 75 °C (T5); T
a
≤ 60 °C (T6)
Maximum values of the auxiliary power supply and signal circuits:
U
i
= 32 V DC I
i
= any P
i
= any
L
i
= 1 μH C
i
= 2 nF