Installation Interface Unit
FLOWSIC100 Flare-XT · Operating Instructions · 8023761/V1-0/2020-10 · © SICK Engineering GmbH
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6.2.4
Hazards through electrostatic discharges
The electronic housing is painted in the factory with a layer thickness of max. 0.2 mm.
Special paintwork can have a higher layer thickness.
6.2.5
Operation in potentially explosive atmospheres
The Interface Unit is designed for use in potentially explosive atmospheres according to the
respective device version:
Table 9
Device versions
Operation in potentially explosive atmospheres
This is a hazardous area in which an explosive atmosphere exists under the following
normal atmospheric conditions:
● Specified ambient temperature -40 ... +60 °C, optional maximum ambient temperature
of +65 °C
● Ambient pressure 80 kPa (0.8 bar) to 110 kPa (1.1 bar)
● Air with normal oxygen content, typically 21 percent by volume.
6.2.6
Warning information on device
6.2.7
Requirements on the personnel's qualification
▸
Read the Operating Instructions before putting the Interface Unit into operation.
WARNING:
Ignition hazard through electrostatic discharge
The plastic display surface dimensions of the display door and of the display
exceed the allowable value for ignition group IIC. The user must take
appropriate precautions to avoid ignition hazards through electrostatic dis
-
charge.
Ignition hazards through electrostatic discharges exist when gas flow meters
with special paintwork and a layer thickness >0.2 mm are used in applications
with ignition group IIC in accordance with ATEX and IECEx.
▸
For installation, the risk of electrostatic charging of the surface must be
reduced to a minimum.
Therefore, the device should not be installed in a location where the
external conditions are conducive to the build-up of electrostatic charge on
such surfaces. change previous text
▸
Use appropriate caution when performing maintenance and cleaning work.
For example, the surfaces should only be cleaned with a damp cloth. The
respective devices will be identified by the manufacturer with a warning
sign.
Version
FCF-A
FCF-C
Zone 2 / Div. 2
ATEX: II 3G Ex ec ia IIC T4 Gc
IECEx: Ex ec ia IIC T4 Gc
Ex ec ia IIC T4 Gc
Class I Zone 2, AEx ec ia IIC T4 Gc
Class I Division 2, Groups A, B, C and D,
T4
WARNING:
Danger identification on device
The following symbol draws attention to important dangers directly on the
device:
▸
Consult the Operating Instructions in all cases where the symbol is
attached to the device or shown on the display.
