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Technical data
13.1 Technical specifications
Analog load cell interface connection
Table 13- 3
Error limit to DIN1319-1 at 20 °C +10 K
Accuracy according to EN45501 / OIML
R76
Accuracy delivery state
Sampling rate
Input signal resolution
Measuring range
Common mode voltage range
DMS supply
Short-circuit and overload protection
Connection
Sensor voltage monitoring
Min. DMS input resistance
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)
164
Technical specifications: Analog load cell interface connection
2)
3)
Accuracy for module replacement or theoretical calibration decisive
Value valid at sensor; voltage drops on cables are compensated up to 5 V
≤ 0.05% v.E.
III (and IV 1000d)
Class
•
3000d
Resolution
•
(d=e)
0.4
Error percent-
•
age pi
0.5 µV/e
Step voltage
•
typ. 0.1% v.E.
100 Hz
± 4 000 000
± 4 mV/V
0 V to 5 V
4.85 V DC +2/-3 %
Yes
6-wire
≤ 0.3 V
40 Ω
without Ex-i
•
interface
SIWAREX IS
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. 60*10
Sensor cable
•
1)
Ω
6
Ω
6
SIWAREX WP231
Manual, 07/2014, A5E31238908A-02
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