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The following parts can charge and discharge:
•
Lacquered housing version or alternative special lacquering
•
Plastic housing, plastic housing parts
•
Plastic process fittings
•
Plastic-coated process fittings and/or plastic-coated sensors
•
Type label
The instruments must be installed in such a way that the following can be ruled out:
•
electrostatic charges during operation, maintenance and cleaning.
•
process-related electrostatic charges, e.g. by measuring media flowing past
The warning label indicates danger:
8
Electrical data
The following applies to the VEGAPULS 6X in type of protection intrinsic safety (Ex ia IIC, IIIC):
Power supply and signal circuit: terminals 1, 2
The following values must be observed or taken into account:
•
U
≤ 30 V DC
•
i
I
≤ 131 mA
•
i
P
≤ 983 mW
i
•
Characteristics: individual
•
C
= 0 (no effective inner capacitance)
i
•
L
= 0 (no effective inner inductance)
i
Indicating and adjustment circuit: terminals 5, 6, 7, 8
For connection to the intrinsically safe circuit of the corresponding external display unit VEGADIS
81. For the connection, the intrinsic safety is verified if L
not exceeded.
When using the VEGA connection cable supplied with certain versions, the following values for
cable inductance L
and cable capacitance C
i
•
L
= 0.62 µH/m
•
i
C
= 150 pF/m
•
wire/wire
C
= 270 pF/m
wire/screen
•
Permissible cable length L = 209 m
Indication and adjustment circuit: spring contacts
Only for connection to the display and adjustment module PLICSCOM3.
9
Thermal data
9.1
Thermal data - General regulations
The approval (IECEx CSAE 21.0011 X) is valid under the following conditions:
•
Compliance with the temperature ranges for the various versions as indicated in the tables
below.
•
Pressure: 80 kPa (0.8 bar) to 110 kPa (1.1 bar), and
10
WARNING - POTENTIAL ELECTROSTATIC
CHARGING HAZARD - SEE INSTRUCTIONS
must be observed.
i
UKEX
Cable = 130 μH and C
Cable
= 600 nF are
Cable
VEGAPULS 6X
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