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SI 158O-B
Hazardous area
Zone 1
Corresponding
approved
terminal
R
resistance
C
EEx ia IIC
Electronic insert
for
PROFIBUS PA
Container
hazardous
area
Zone 0
Certified
associated
apparatus
Type of protection
EEx ia IIC T3 ... T6
EEx ib IIC T3 ... T6
with warning information
Please note the following installation instructions:
– Comply with the installation and safety instructions in the operating instructions.
– Install the device according to the manufacturer's instructions and any other valid standards and regulations.
– Pay attention to the maximum process conditions according to the manufacturer's operating instructions. At high medium
temperatures: note flange pressure load capacity as a factor of temperature.
– Connect the instrument using suitable cable and line entries or via pipeline systems of protection type "Instrinsic safety (Ex i)".
– Connection of intrinsically safe PROFIBUS devices: 10 devices.
– To maintain the ingress protection IP66/IP67 of the housing, install the housing cover and cable glands correctly. Close off
any unused entries with suitable plugs.
– Support extension tube of Vibracon LVL-M2C if a dynamic load is expected.
– Grounding the screen, see page 3, version 2.
– Long-term service temperature for the cable = T
– When the Vibracon LVL-M2C with electronic insert for PROFIBUS PA, model FEL 50 A (PA) devices with certified intrinsically
safe power circuits in category "ib", equipment group IIC or IIB are connected together, the degree of protection changes as
follows: EEx ib IIC T6 or EEx ib IIB T6.
– The dependency of the ambient and process temperatures upon the temperature class can be found in the table on page 4.
2
Electronic insert
for
PROFIBUS PA
Container
hazardous
area
Zone 1
Potential equalisation
PROFIBUS PA
≤
U
17.5 V
i
≤
I
500 mA
i
≤
P
5.5 W
i
51 µH, C
L
=
i
Category
II 1/2 G
amb
EX
EX
Foundation Fieldbus
≤
U
24 V
i
≤
I
250 mA
i
≤
P
1.2 W
i
51 µH, C
= 0
L
=
i
i
for Vibracon, type:
LVL-M2C with coating of ECTFE or non-conductive PFA
+ 5 °C.
LVL-M2C with PROFIBUS PA
Non-hazardous area
Certified
relevant operating
Power supply
equipment
[EEx ia] IIC or [EEx ib] IIC
= 0
i
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