Siemens 7MF4.33 Series, Руководство пользователя

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SITRANS P DS III (7MF4.33.. 7MF4.34.. 7MF4.35..)
46
A5E03434626-03, 06/2013
7.5 Certificates and approvals
Certificates and approvals
HART PROFIBUS PA and FOUNDATION
Fieldbus
Classification according to Pressure
Equipment Directive (PED 97/23/EC)
● for gases of Fluid Group 1 and liquids of Fluid Group 1; meets requirements of
Article 3 Para. 3 (good engineering practice)
● only for flow rate:
for gases of Fluid Group 1 and liquids of Fluid Group 1; fulfills the basic safety
requirements as per article 3, Para 1 (appendix 1); classified as category III,
module H conformity evaluation by TÜV Nord
Drinking water In preparation
Explosion protection
● Intrinsic safety "i"
Designation
II 1/2 G Ex ia/ib IIC T4/T5/T6 Ga/Gb
Permissible ambient temperature -40 … +85 °C (-40 … +185 °F) temperature class T4
-40 … +70 °C (-40 … +158 °F) temperature class T5
-40 … +60 °C (-40 … +140 °F) temperature class T6
Connection To a certified intrinsically safe circuit
with the max. values:
U
i
= 30 V, I
i
= 100 mA,
P
i
= 750 mW, R
i
= 300 Ω
FISCO supply unit
U
0
= 17.5 V, I
0
= 380 mA, P
0
= 5.32 W
Linear barrier
U
0
= 24 V, I
0
= 174 mA, P
0
= 1 W
Effective inner capacitance C
i
= 6 nF C
i
= 1.1 nF
Effective inner inductance L
i
= 0.4 mH L
i
= 7 µH
● Flameproof enclosure
encapsulation "d"
Designation
II 1/2 G Ex d IIC T4, T6 Ga/Gb
Permissible ambient temperature -40 … +85 °C (-40 … +185 °F) temperature class T4
-40 … +60 °C (-40 … +140 °F) temperature class T6
Connection To a circuit with the operating values:
U
H
= 10.5 … 45 V DC
To a circuit with the operating values:
U
H
= 9 … 32 V DC
● Dust explosion protection for Zone
20 and 20/21
Designation
II 1 D Ex ta IIIC IP65 T120°C Da,
II 1/2 D Ex ta/tb IIIC IP65 T120°C Da/Db
Permissible ambient temperature -40 ... +85 °C (-40 ... +185 °F)
max. surface temperature
120°C (248°F)
Connection To a certified intrinsically safe circuit
with the max. values:
U
i
= 30 V, I
i
= 100 mA,
P
i
= 750 mW, R
i
= 300 Ω
FISCO supply unit
U
0
= 17.5 V, I
0
= 380 mA, P
0
= 5.32 W
Linear barrier
U
0
= 24 V, I
0
= 250 mA, P
0
= 1.2 W
Effective inner capacitance C
i
= 6 nF C
i
= 1.1 nF
Effective inner inductance L
i
= 0.4 mH L
i
= 7 µH
● Dust explosion protection for Zone
22
Designation
II 2 D Ex tb IIIC IP65 T120°C Db
Connection To a circuit with the operating values:
U
H
= 10.5 … 45 V DC; P
max
= 1.2 W
To a circuit with the operating values:
U
H
= DC 9 … 32 V; P
max
= 1.2 W
● Type of protection "n" (Zone 2)