ABB 265GS - Page 69

Ex relevant specifications
IM/265Gx/Ax-EN-07 265Gx, 265Ax 69
Standards Association of Australia (SAA)
Transmitter with type of protection "flameproof enclosure Ex d"
Transmitter with 4 … 20 mA output signal, HART communication, and
fieldbus transmitter (PROFIBUS PA/FOUNDATION fieldbus,
Modbus):
Designation:
Zone 1: Ex d IIC T6 (Tamb +75 °C) IP 66 / IP 67
Zone A21: Ex tD A21 T85 (Tamb +75 °C) IP 66 / IP 67
NEPSI (China)
Intrinsic safety
Transmitter with 4 ... 20 mA output signal and HART communication:
Designation: Ex ia IIC T4/T6
Permissible ambient temperature range according to temperature
class:
Temperature class Ambient temperature Pi
T4 -40 … 85 °C (-40 ... 185 °F) 0.8
T4 -40 … 70 ° C (-40 ... 158 °F) 1.0
T6 -40 … 40 ° C (-40 ... 104 °F) 0.7
Supply and signal circuit for connection to supply units with the
following maximum values:
Ui
max
= 30 V, Ii
max
= 200 mA
Max. internal parameters Temperature class
Pi
max
Ci (nF) Li (μH)
T6 0.7 47 10
T4 0.8 47 10
T4 1.0 47 10
Fieldbus transmitter (PROFIBUS PA/FOUNDATION Fieldbus)
Designation: Ex ia IIB/IIC T4 … T6
Permissible ambient temperature range according to temperature
class:
Temperature class Ambient temperature
T4 -40 … 85 °C (-40 ... 185 °F)
T5 -40 … 50 °C (-40 ... 122 °F)
T6 -40 … 40 °C (-40 ... 104 °F)
Supply and signal circuit for connection to supply units with the
following maximum values:
Ex mark Characteristic
curve
Supply unit
Ui
max
(V)
Ii
max
(mA)
Pi
max
(W)
Ex ia IIC
T4 … T6
Rectangular
or trapezoidal
17.5 360 2.52
Ex ia IIB T4 … T6 Rectangular
or trapezoidal
17.5 380 5.32
Ex ia IIC
T4 … T6
Linear 24 250 1.2
Ci
max
(nF) Li
max
(μH)
0 10
Explosion-proof
Transmitter with 4 … 20 mA output signal and HART communication,
and fieldbus transmitter (PROFIBUS PA/FOUNDATION Fieldbus):
Designation: Ex d IIC T6
Operating conditions
Ambient temperature range: -40 … 75 °C (-40 … 167 °F)
Change from one to two colu mns