Siemens SIWAREX WT241 Manual page 172

Technical specifications
12.1 Technical specifications
min. DMS output resistance
Temperature coefficient range
Temperature coefficient zero point
Linearity error
Measured value filtering
Electrical isolation
50 Hz / 60 Hz noise suppression CMRR
Input resistance
Relative accuracy! (Absolute accuracy is only reached by calibration on-site with calibration stand-
1)
ard)
2)
3)
Analog output
The set replacement value is output in case of a fault or SIMATIC CPU stop.
Table 12- 3
Error limit according to DIN 1319-1 of full-scale
value at 20 °C +10 K
Refresh rate
Resolution
Measuring ranges
Max. output current
Error signal (if configured (FW))
Max. load
Temperature coefficient range
Temperature coefficient zero point
Linearity error
Electrical isolation
Cable length
Figure 12-1
172
Accuracy for module replacement or theoretical calibration decisive
Value valid at sensor; voltage drops on cables are compensated up to 5 V
Technical specifications:
Current ranges for signal level to Namur recommendation NE43
50 Ω
with Ex-i inter-

face SIWAREX
IS
4 100 Ω
≤ ± 5 ppm/K v. E.
≤ ± 0.1 μV/K
≤ 0.002 %
Low pass
500 V AC
> 80 dB
typ. 5*10
Signal cable

typ. 5*10
Sensor cable

0 ... 20 mA: ≤ 0.5 %
4 mA to 20 mA: ≤ 0.3 %
≤ 100 ms
14 bit
0 mA to 20 mA
4 mA to 20 mA
24 mA
22 mA
600 Ω
≤ ± 25 ppm/K v. E.
typ. ± 0.3 μA/K
≤ 0.05 %
500 V AC
max. 100 m, twisted and shielded
Ω
6
Ω
6
SIWAREX WT241
Manual, 05/2015, A5E36046748A