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Saab TankRadar L/2
US Version. Seventh edition, June 1995
Installation Manual
4.5
Common Installation Data for Both DAUs
Ambient operating temperature:
-40
°
C to +65
°
C (-40
°
F to +149
°
F)
Temperature Sensors
Pt 100 or Cu 100
Number of sensor elements
Max. 14 per DAU
Temperature measuring range
Range 1: -50 to +125
°
C
Range 2: -50 to +300
°
C
Range 3: -200 to +150
°
C
4.6
Description of the Slave Data Acquisition Unit, DAU 2100
The Slave DAU is intrinsically safe and is connected to the Radar
Tank Gauge on the same tank. It receives its power supply and
communicates via the Barrier Unit Card in the Radar Tank Gauge.
4.6.1
Installation Data for DAU 2100
Explosion protection
Class 1, Div I, Groups A,B,C
and D (UL913 USA) and
EEx ia IIC T4 (EN50020 Europe)
Power Supply
Intrinsically safe supply from
Radar Tank Gauge
Field bus
Intrinsically safe local line from
Radar Tank Gauge
LCD Display for
Local Readout
Cable Outputs
0.23 m
0.28 m
Saab Tank Control
TankRadar L/2
EEx ia II C T4
Tamb = -40
°
to +65
°
C
BASEEFAEx91C2069
Umax:in = 28 VDC Wmax:in = 1.3 W
Imas:in = 394 mADC
Ceq = 0 Leq = 0
Serial no:
UI:
A division of Saab Marine Electronics AB
For intrinsically safe circuits only
Data Acquisition Unit Type DAU 2130
Hazardous Location Class I Gorup C
and D. Temperature Code T4. The device
provides intrinsically safe outputs.
See control drawing 9150 057-901
Warning: any substitution of any components
may impair intrinsic safety.
See service manual
Ambient temperature -40
°
to +65
°
C
Listed 9390
UL
Ex
MADE IN SWEDEN
©
Figure 4.4 shows the Slave Data Acquisition Unit.