
Auxiliary power U
H
HART PROFIBUS PA or Foundation Fieldbus
● Max. basic current – 12.5 mA
● Starting current ≤ basic current – Yes
● Max. current in event of fault – 15.5 mA
Error shut-down electronics (FDE)
present
– Yes
11.8 Certificates and approvals
Certificates and approvals
HART PROFIBUS PA or 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" PTB 11 ATEX 2011 X
Marking
II 1/2G 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"
PTB 99 ATEX 1160
Marking
II 1/2 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
PTB 01 ATEX 2055
Technical data
11.8 Certificates and approvals
SITRANS P, DS III series with HART
192 Operating Instructions, 09/2012, A5E00047092-08
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