ABB 265DS - Explosion protection data; Potentially explosive atmospheres

Explosion protection data
64 265Dx, 265VS IM/265D/V-EN-02
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9 Explosion protection data
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9.1 Potentially explosive atmospheres
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Change from one to two colu mns
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Transmitter with "Intrinsically safe EEx ia" type of explosion
protection in accordance with Directive 94/9/EC (ATEX)
Transmitter with 4 ... 20 mA output signal and HART communication:
Designation: II 1/2 GD T 50 °C EEx ia IIC T6
II 1/2 GD T 95 °C EEx ia IIC T4
Power supply and signal circuit with "Intrinsically safe, EEx ib IIB/IIC"
or "Intrinsically safe, EEx ia IIB/IIC" type of explosion protection, for
connection to supply units with the following maximum values:
II 1/2 GD T 50 °C EEx ia or ib IIC T6
II 1/2 GD T 95 °C EEx ia or ib IIC T4
Temperature class T4:
U
i
= 30 V
I
i
= 200 mA
P
i
= 0.8 W for T4 where Ta = -40 ... 85 °C
P
i
= 1.0 W for T4 where Ta = -40 ... 70 °C
For temperature class T6:
P
i
= 0.7 W for T6 where Ta = -40 ... 40 °C
Effective internal capacitance: C
i
= 10 nF
Effective internal inductance: L
i
≈ 0
Fieldbus transmitter (PROFIBUS PA / FOUNDATION Fieldbus):
Designation: FISCO field device
II 1/2G Ex ia IIC T6 or T4
II 1/2D Ex iaD 20 T50 °C or T95 °C
Power supply and signal circuit with "Intrinsically safe" type of
explosion protection, only for connection to supply units certified
according to the FISCO concept and with the following maximum
values:
U
i
= 17.5 V
I
i
= 500 mA
P
i
= 8.75 W
or connection to supply units or barriers with linear characteristics.
Maximum values:
U
i
= 24 V
I
i
= 250 mA
P
i
= 1.2 W
Effective internal inductance: L
i
= 10 μH,
Effective internal capacitance: C
i
= 5 nF
Permissible ambient temperature range depending on temperature
class:
Temperature class Lower limit of
ambient
temperature
Upper limit of
ambient
temperature
T4 -40 °C (-40 °F) 85 °C (185 °F)
T5, T6 -40 °C (-40 °F) 40 °C (104 °F)
Category 3 transmitter for use in "Zone 2" as defined by
Directive 94/9/EC (ATEX)
Transmitter with 4 ... 20 mA output signal and HART communication:
Designation: II 3 GD T 50 °C EEx nL IIC T6
II 3 GD T 95 °C EEx nL IIC T4
Operating conditions:
Supply and signal circuit
(terminal signal ±): U
≤ 45 V
I
≤ 22.5 mA
Ambient temperature range:
Temperature class T4: Ta = -40 ... 85 °C
Temperature class T5 and T6: Ta = -40 ... 40 °C
Transmitter with "Flameproof EEx d" type of explosion
protection in accordance with Directive 94/9/EC (ATEX)
Transmitter with 4 … 20 mA output signal, HART communication,
and fieldbus transmitter (PROFIBUS PA / FOUNDATION Fieldbus)
Designation: II 1/2 G EEx d IIC T6
Operating conditions:
Ambient temperature range: -40 ... 75 °C