Siemens 7MF8.24 Series - Certificates and Approvals

SITRANS P300 (7MF8.23.. 7MF8.24.. 7MF8.25..)
A5E03434759-01, 08/2011
29
Auxiliary power U
H
HART PROFIBUS PA or Foundation Fieldbus
Separate supply voltage – Not necessary
Bus voltage
● Without
– 9 … 32 V
● For intrinsically safe operation
– 9 … 24 V
Current consumption
● 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)
fitted
– Yes
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)
Water, waste water In preparation
Explosion protection
● Intrinsic safety "i"
PTB 05 ATEX 2048
Identifier II 1/2 G Ex ia/ib IIB/IIC T4, T5, T6
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
Connections To certified intrinsically safe circuits
with the following maximum values:
U
i
= 30 V, I
i
= 100 mA
P
i
= 750 mW, R
i
= 300 Ω
FISCO supply unit
U
i
= 17.5 V, I
i
= 380 mA
P
i
= 5.32 W
Linear barrier
U
i
= 24 V, I
i
= 250 mA
P
i
= 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
● FM explosion protection for USA
and Canada (cFM
US
)
Designation (DIP) or (IS); (NI) Certificate of Compliance 3025099
CL I, DIV 1, GP ABCD T4 ... T6; CL II, DIV 1, GP EFG; CL III; CL I, ZN 0/1 AEx ia
IIC T4 ... T6;
CL I, DIV 2, GP ABCD T4 ... T6; CL II, DIV 2, GP FG; CL III
Designation (DIP) or (IS) Certificate of Compliance 3025099C
CL I, DIV 1, GP ABCD T4 ... T6; CL II, DIV 1, GP EFG; CL III; Ex ia IIC 4 ... T6;
CL I, DIV 2, GP ABCD T4 ... T6; CL II, DIV 2, GP FG; CL III
● Dust ignition protection for Zone
20/21/22
PTB 05 ATEX 2048
Designation Ex II 1D Ex ia D 20 T 120 °C
Ex II 2D Ex ib D 21 T 120 °C
Ex II 3D Ex ib D 21 T 120 °C