12 specifications – Rice Lake 880 Performance Series Indicator/Controller Technical/Service Manual User Manual
Page 115

Appendix
109
10.12 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 -45 mV to 45mV
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
LSB)
0.3
V p-p
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: 0-20 mA or 4–20 mA
External loop resistance: 500
maximum
Digital I/O
I/O Channels
Up to 4, 5V/TTL, Active Low (0V), each
software configurable as input or output
Relay Supply Voltage 5 VDC, 500mA maximum
Input Voltage
0–5.5V maximum
Digital Outputs
Active low, sink up to 24mA per output.
Optional
Four channel relay module, dry connect
3A @ 115VAC, 3A @ 30VDC
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
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
t
N
A
T
IO
NA
L CONFE
R
E
N
C
E
t
O
N
W
E
I G
H
T S
A N D M
E
A
S
U
R
E
S
CoC Number: 13-080
Accuracy Class III/IIIL n
max
: 10 000
Measurement Canada
Approval:
AM-5931C
Accuracy Class
III/IIIHD n
max
: 10 000
File Number: Pending
File Number: Pending
The 880 DC indicator must be connected to a class 2 power
source in accordance with the NEC (National Electrical Code)
and local regulations. See equipment data plate for power
requirements.