Siemens SITRANS P Compact Operating Instructions page 83

Explosion protection in accordance with
ATEX
Designation
Permissible ambient temper‐
ature
Permissible temperature of
medium
Connection
Effective inner capacitance
Effective inner inductance
• Type of protection for Zone 2
A power supply unit of intrinsically safe protection type "Ex ia" in zone 2 is sufficient to connect devices of intrinsically safe
protection type [Ex ic].
Designation
Permissible ambient temper‐
ature "ec"
Permissible temperature of
medium
Connection "ec"
SITRANS P320/P420
Compact Operating Instructions, 01/2021, A5E38874562-AC
HART
-40 ... +80 °C (-40 ... +176 °F)
-40 ... +100 °C (-40 ... +212 °F)
To a certified intrinsically safe circuit
with the max. values:
U = 30 V, I = 101 mA, P = 760 mW
i i i
U = 29 V, I = 110 mA, P = 800 mW
i i i
C = 3.29 nF
i
Li = 0.24 µH
-40 ... +80 °C (-40 ... +176 °F) temperature class T4
-40 ... +40 °C (-40 ... +104 °F) temperature class T6
-40 ... +100 °C (-40 ... +212 °F) temperature class T4
-40 ... +70 °C (-40 ... +158 °F) temperature class T6
To a circuit with the operating values:
U = 10.5 to 30 V, 4 ... 20 mA
n
8.7 Certificates and approvals
PROFIBUS PA
II 1D Ex ia IIIC T120 °C Da
-40 ... +75 °C (-40 ... +167 °F)
FISCO
• ia/ib:
Ui = 17.5 V, Ii = 380 mA, Pi = 5.32 W
• ic:
Ui = 17.5 V, Ii = 570 mA
Linear barrier
• ia/ib:
Ui = 24 V, Ii = 174 mA, Pi = 1.0 W
• ic:
Ui = 32 V, Ii = 132 mA, Pi = 1.0 W
Ci = 1.1 nF
Li = 4.8 µH
II 3G Ex ec IIC T4/T6 Gc
To a circuit with the operating values:
U = 10.5 ... 24 V DC
H
Technical data
83