Load Cell Module DVP02LC-SL
DVP-PLC Operation Manual
4
2.1 Functions
Rated power supply
voltage/power consumption
24 VDC (-15 to +20%)/3 W
Voltage boundary 18 to 31.2 VDC
Max. current consumption 125 mA
Input signal range ±40 mVDC
Sensibility +5 VDC +/-10%
Internal resolution 24 bits
Communication port RS-232, RS-485
Applicable sensor type 4-wire or 6-wire load cell
Temperature coefficient span ≤ ± 50 ppm/K v. E
Temperature coefficient zero
point
≤ ± 0.4 μV/K
Linearity error ≤ 0.02%
Response time 2, 10, 20, 40, 80 ms × number of channels
4 measuring ranges 0 to 1, 0 to 2, 0 to 4, 0 to 6 mV/V
Max. distance for connecting
to load cell
100m
Max. current output 5 VDC × 300 mA
Permitted load cell
resistance
40 to 4,010 Ω
Common mode rejection
(CMRR @50/60 Hz)
≥ 100dB
Dynamic value filter Setting range: K1 to K5
Average value filter Setting range: K1 to K100
Isolation method
500 VAC between digital circuits and ground
500 VAC between analog circuits and ground
500 VAC between analog circuits and digital circuits
Serial connection to
DVP-PLC MPU
Connectable to the left side of the MPU, numbered from 100 to 107
according to the position of the module from the closest to the
farthest to the MPU.
Operation/storage
Operation: 0 to 55°C (temperature),50 to 95% (humidity), pollution
degree 2
Storage: -25 to 70°C (temperature), 5 to 95% (humidity)
Vibration/shock immunity
International standards: IEC 61131-2, IEC 68-2-6 (TEST Fc)/IEC
61131-2 & IEC 68-2-27 (TEST Ea)
2.2 Effective Number of Bits (ENOB)
CR#3: Reaction time for measurement*
Load cell
eigenvalue
CR#2:
eigenvalue*
2 ms 10 ms 20 ms 40 ms 80 ms
0 to 1 mV/V 0 18 19.1 19.5 19.8 20.2
1 to 2 mV/V 1 19 19.6 20.1 20.3 20.7
2 to 4 mV/V 2 19 20 20.5 20.7 21
4 to 6 mV/V 3 19 20 20.4 20.5 20.8
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