Minebea Intec PR 5211 Series, Инструкция по эксплуатации инструмента, Страница: 92 / 96

Max. load
≥75
Ω
11.6.2 Principle
Principle Direct current, Delta-Sigma converter, ratiometric to
load cell supply voltage
Measurement time Min. 10 ms … max. 1920 ms
Analog filter Low-pass, 1st order, cutoff frequency 70 Hz
Digital filter Active, 4th order (low-pass) Bessel, aperiodic or Butter-
worth, cutoff frequency, adjustable (max. 0.25/measu-
ring rate or approx. 1.56 Hz)
11.6.3 Accuracy and stability
Accuracy Complies with OIML R76 class III
Min. measurement signal 6000 d: 0.25 mV/V @ 12 V supply [0.5 µV/V]
Linearity error <0.002 %
Zero point stability error TK
0
<0.02 µV/K RTI
SPAN stability error TK
span
<±2 ppm/K
11.6.4 Sensitivity
Sensitivity 0.5 µV/d [0.2 µV/d]
Resolution internal Approx. 4.8 million internal steps at 36 mV
Input voltage (measuring
dead load) 0 … max. 36 mV
Dead load range 36 mV - (max. measuring signal); entry/calibration via
software
11.7 ProfiBus DP
Standards EN 50 179 volume 2,
PROFIBUS DIN 19245: PROFIBUS, Process field bus
(part 1 and 3)
Baud rates 9.6; 19.2; 93.75; 187.5; 500 [kBps], 1.5; 3.0; 6.0;
12.0 [MBps], automatic detection
Buffer size 8 bytes
I/O data 8 bytes
UserPrm no
Sync yes
Freeze yes
Transmitter Series PR 5211 11 Technical data
Minebea Intec EN-90