Rice Lake IQ plus 590-DC Installation Manual - Manual (Page 46)

42 IQ plus 590-DC Installation Manual
8.8 Specifications
Power
Power 9 VDC, provided by 6 x “C” cell alkaline batteries
or AC adapter (9VDC, 300 mA, center-positive
output connector)
Power Consumption <100 mA (using 4 x 350Ω load cells)
Fusing 200 mA, self-resetting thermal fuse
Analog Specifications
Full Scale Input Signal Up to 17 mV
Excitation Voltage
5 ± 0.25 VDC,
4 x 350Ω or 8 x 700Ω load cells
Sense Amplifier Differential amplifier with
4- and 6-wire sensing
Analog Signal
Input Range –2.5 mV/V – 22.5 mV/V
Analog Signal
Sensitivity 0.3 µV/graduation minimum,
1.5 µV/grad recommended
Input Impedance 200 MΩ, typical
Noise (ref to input) 0.3 µV p-p with digital filters at 4-4-4
Internal Resolution 2 20 (approx. 1 000 000) counts
Display Resolution 100 000 dd
Counting Capacity 999 999 pieces
Measurement Rate Up to 30 measurements/sec
Input Sensitivity 155 nV per internal count
System Linearity Within 0.01% of full scale
Zero Stability 155 nV/°C, maximum
Span Stability 4.0 ppm/°C, maximum
Calibration Method Software, constants stored in
EEPROM
Common Mode
Voltage 2.5 ±.25 VDC
Common Mode
Rejection 140 dB minimum @ 50 or 60 Hz
Normal Mode
Rejection 90 dB minimum @ 50 or 60 Hz
Input Overload ± 12 V continuous, static discharge
protected
RFI Protection Signal, excitation, and sense lines
protected by capacitor bypass
Digital Specifications
Microcomputer Phillips P51XAG30 microcontroller @
12.288 MHz
Digital Filters 3 filters, software selectable
Serial Communications
EDP/Printer Port Full duplex RS-232
19200, 9600, 4800, 2400, 1200, 600,
300 bps; 8 data bits, no parity, or 7 data
bits, even or odd parity
Operator Interface
Display 6-digit LCD display: 7-segment, 1.0 in
(25 mm) digits
Additional Symbols Annunciators for gross, net, standstill,
center of zero, tare, low battery.
annunciators for units (lb/kg), piece
count mode (PC). Adhesive labels
provided for units other than lb and kg.
Keyboard 19-key flat membrane panel
Environmental
Operating Temperature –10 to +40°C (legal);
–10 to +50°C (industrial)
Storage Temperature –25 to +70°C
Humidity 0–95% relative humidity
Altitude 2000 m (6500 ft) maximum
Enclosure
Enclosure Dimensions (including battery compartment cover)
9.0 in x 6.5 in x 3.0 in
23 cm x 16.5 cm x 7.6 cm
Shipping Weight 6.5 lb (2.95 Kg)
Rating/Material NEMA 4X/IP66, stainless steel
Certifications and Approvals
NTEP
CoC Number 98-203A1
Accuracy Class III/IIIL
n
max
: 10 000
Measurement Canada
Approval AM-5300
Accuracy Class III n
max
: 10 000
III HDn
max
: 20 000
T
D I G I T A L W E I G H T I N D I C A T O R
4
9 0 8
5 2
7 6
3 CLEAR
DISPLAY TARE
ZERO GROSS NET TARE UNITS PRINT T B/G Units
POWER
ENTER SAMPLE MODE PRINT
I / O
lb
kg
PC
11.0
9.0
6.5
7.5
1.6
3.0
3.2
4.1
• N A T IO NA L CONFE R E N C E
• O
N
W
E I G
H T S A N D M E A S U R E S