Specifications - Rice Lake 880 Technical And Service Manual

9.12 Specifications

Power
Line Voltages Input Voltage – 100-240VAC, 9-36VDC
Input Frequency – 47-63Hz
Power Consumption AC: 15 watts
DC: 20 watts
Analog Specifications
Full Scale Input Signal -45 mV to +45 mV
Excitation Voltage 10 VDC ±,
8 x 350: or 16 x 700: load cells
Sense Amplifier Differential amplifier with
4- and 6-wire sensing
Analog Signal Input Range
Analog Signal Sensitivity:
0.3 μV/graduation minimum @ 7.5 Hz
1.0 μV/graduation typical @ 120 Hz
4.0 μV/graduation typical @ 960 Hz
A/D Sample Rate: 7.5 – 960Hz, software selectable
Input Impedance 200 M:, typical
Noise (Usable Minimum
0.3 PV p-p
LSB)
Internal Resolution 8 000 000 counts @ 23 usable bits,
approximate
Display Resolution 100 000 dd
Input Sensitivity 10 nV per internal count
System Linearity ±0.01% of full scale
Temperature
Zero ±150 nV/°C, maximum
Span ±3.5 ppm/°C, maximum
Calibration Method Software, constants stored in EEPROM
Common Mode Voltage ±0.8V in unbalanced condition
Common Mode Rejection120 dB minimum @ 50 or 60
Hz
Input Overload ± 12 V continuous, static discharge
protected
EMI/RFI Protection Signal, excitation, and sense lines
protected by capacitor bypass and
filtering elements
Optional Analog
Output Fully isolated, voltage or current output
Voltage output: 0 –10 VDC
Load resistance:1k: minimum
Current output: 4–20 mA
External loop resistance: 500:
maximum
Digital I/O
Microcomputer Hitachi H8/3002 main processor @
14.74756 MHz
Digital Inputs/ TTL or switch closure, active-low
Outputs 4 Outputs, current limited darlington
pair with TTL pull-up, 40V withstand
Digital Filter Adaptive filtering, sensitivity and
threshold
Serial Communications
RS-232 Full Duplex
RS-485 Half Duplex
USB USB Type A Connector 2.0
USB Micro A/B Connector 2.0
EtherNet EtherNet TCP/IP
94 880 Installation Manual
-45 mV to 45mV
Operator Interface
Display LED, Six 0.56 inch (14 mm),
14 Segment with Decimal or Comma
Keyboard 6-key membrane panel
Environmental
Operating Temperature 14°F to 104°F (–10 to +40°C)
(legal-for-trade applications);
14°F to 122°F (–10 to +50°C)
(industrial applications)
Storage Temperature –25 to +70°C
Humidity 0–95% relative humidity
Enclosure
Enclosure Dimensions 6.0 in x 4.0 in x 4.95 in
(152 mm x 102 mm x 126 mm)
Weight 2.5 lb (1.2 kg)
Rating/Material Display Bezel NEMA 4X, IP69K
Certifications and Approvals
NTEP
CoC Number: 13-080
Accuracy Class III/IIIL n
Measurement Canada
Approval: Pending
Accuracy Class III/IIIHD n
UL
File Number:E151461
U L
C US
®
LISTED
File Number: Pending
: 10 000
max
: 10 000
max