Emerson Rosemount 8800D Series Quick Start Manual page 47

October 2018
• GOST R IEC 60079-11-2010
• GOST R IEC 60079-15-2010
• GOST 31610.26-2002/IEC 60079-26:2006
E8 Type of protection flameproof enclosure «d» with intrinsically safe flow
sensor
Ex marking of the integral installation:
Ga/Gb Ex d [ia] IIC T6 X (-50°C ≤ Ta ≤ 70°C)
Ex marking of the remote installation: electronics module:
1Ex d [ia Ga] IIC T6 Gb X (-50°C ≤ Ta ≤ 70°C) flow sensor:
0Ex ia IIC T6 Ga X (-50°C ≤ Ta ≤ 70°C)
Electrical parameters:
Maximum DC supply voltage (with output signal 4-20 mA HART/pulse)
42 V;
Maximum DC supply voltage (with output signal Foundation Fieldbus
and FISCO) 32 V
Special conditions for safe use (X):
1. For flowmeters with Ex marking 0Ex ia IIC T6 Ga X, Ga / Gb Ex d
2. Remote installation should be made only with special coaxial
3. When the equipment is installed, particular precautions must be
4. Precautions shall be taken to avoid ignition due to electrostatic
Type of protection "intrinsically safe circuit" level «ia»
I8,
G8
Ex marking: 0Ex ia IIC T4 Ga X
Ambient temperature range:
•
•
Quick Start Guide
[ia] IIC T6 X and transmitter with Ex marking 1Ex d [ia Ga] IIC T6
Gb X cabling in explosive area must be conducted according to
requirements of IEC 60079-14-2011. Sheath cables must be
designed for a maximum ambient temperature;
cable provided by the manufacturer of flowmeters;
taken to ensure, taking into account the effect of process fluid
temperature, that the ambient temperature of the electrical
housing of the equipment meets the marked protection type
temperature range;
charge on the enclosure
(I8) Flowmeters with pulse output signals, 4-20 mA /HART (-60°C ≤
Ta ≤ 70°C)
Flowmeters with output Fieldbus (I8) and FISCO (G8) (-60°C ≤ Ta ≤
60°C)
Quick Start Guide
47