SITRANS DA400 for material flow monitoring with protection against explosion
Operating Instructions, 09/2007, A5E00841152-01
77
Technical data
9
9.1
Device technical data
Input
Acoustic channels
4
•
Cycle time
10 ms
•
Alarm monitoring hysteresis
1 dB
•
Measuring range
0 ... 99.9 dB
Sensor feed
Only for connection to intrinsically safe sensors
•
Sensor electric circuits
Clamps 15 to 18
Clamps 25 to 28
Clamps 35 to 38
Clamps 45 to 48
•
Maximum voltage U
o
≤ 5.5 V
•
Maximum current I
o
≤ 70 mA
•
Maximum power P
o
≤ 100 mW
•
External inductance L
o
5.00 mH
2.00 mH
1.00 mH
•
External capacity C
o
0.50 µF
1.20 µF
1.70 µF
Universal inputs
4
•
Cycle time
10 ms
•
Low pass filter time
1 s
Universal analog current input
•
Electrical inputs
Clamps 55 and 56
Clamps 65 and 66
Clamps 75 and 76
Clamps 85 and 86
•
Load
< 12 Ω
•
Resolution
0.1 %
•
Accuracy
0.5 %
•
Fault message
> 21 mA or< 3.6 mA (at 4 ... 20 mA)
•
Alarm monitoring hysteresis
0.5 %
