Salter Brecknell WB-521 Series - Manual (Page 18)

16 SBI521 Service Manual
2.5 Communication
2.6 Analog Circuitry
l
24-bit A/D converter
l
Conversion Speed: 10Hz or 80Hz
l
Input range: -15mV to +15mV
l
Output code:1mV input between S+ and S- of loadcell connector will output
about 100,000 raw counts
l
Hardware low pass filter and 2 programmable digital low pass filters
2.7 Capacity and Division
l
Programmable
l Max display range: -999,999 to 999,999
l
Division number range for primary unit: 100-100,000 (division number will be
limited by REGULA setting)
l
Recommended Sensitivity: >0.5uV/ display division
2.8 Accuracy
≤
0.01%
2.9 Approvals
NTEP: Class III, certificate # 11-119
2.10 Calibration Method:
l
Software calibration with long-term storage in EEPROM
l
Provides smooth curve fit through four points
l
Calibration can be done under kg or lb weight unit with 10% -100%FS
standard weight.
Serial port1 Full-duplex RS-232
Serial port2 Full-duplex RS-232 or half-duplex RS-485
Baud Rate Selectable: 1200-2400-4800-9600-19200-22800/38400-57600 bps
Data Output Format 8N1, 7O1, 7E1
Protocol programmable