Rice Lake IQ plus 350, Руководство по установке

Страница: 47 / 48

Appendix 43
7.9 Specifications
Power
Line Voltages 115 or 230 VAC
Frequency 50 or 60 Hz
Power Consumption 66 mA @ 115 VAC (8W)
33 mA @ 230 VAC (8W)
Fusing
115 VAC 2 x 160 mA TR5 subminiature fuses
Wickmann Time-Lag 19374 Series
UL Listed, CSA Certified
230 VAC 2 x 80 mA TR5 subminiature fuses
Wickmann Time-Lag 19372 Series
UL Recognized, VDE Approved
Analog Specifications
Full Scale Input Signal Up to 45 mV
Excitation Voltage
10 ± 0.5 VDC,
8 x 350
Ω
or 16 x 700
Ω
load cells
Sense Amplifier Differential amplifier with
4- and 6-wire sensing
Analog Signal
Input Range 0.6 mV/V – 4.5 mV/V
Analog Signal
Sensitivity 0.3
µ
V/graduation minimum,
1.5
µ
V/grad recommended
Input Impedance 200 M
Ω
, typical
Noise (ref to input) 0.3 mV p-p with digital filters at 4-4-4
Internal Resolution 308 000 counts
Display Resolution 60 000 dd
Measurement Rate 15 measurements/sec, nominal
Input Sensitivity 150 nV per internal count
System Linearity Within 0.01% of full scale
Zero Stability 150 nV/°C, maximum
Span Stability 3.5 ppm/°C, maximum
Calibration Method Software, constants stored in
EEPROM
Common Mode
Voltage ± 4 V, referred to earth
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
Analog Output Optional: fully isolated, voltage or current
output,14-bit resolution.
Voltage output: 0 –10 VDC
Load resistance:1k
Ω
minimum
Current output: 4–20 mA
External loop resistance: 500
Ω
maximum
Digital Specifications
Microcomputer Hitachi H8/3834 main processor @
9.8304 MHz
Digital Inputs 2 inputs, TTL or switch closure,
active-low
Digital Filters 3 filters, software selectable
Serial Communications
EDP Port Full duplex RS-232
Printer Port Output-only RS-232 or active 20 mA
current loop
Both Ports 9600, 4800, 2400, 1200, 600, 300 bps;
7 or 8 data bits; even, odd, or no parity
Operator Interface
Display 6-digit LCD display. 14-segment, .8 in
(20 mm) digits with green backlight
Additional Symbols Designators for:
Center of zero, standstill, B/G (Brutto/
Gross), gross, net, minus sign, tare,
entered tare, displayed tare, nicht
geeicht/entry mode, lb/kg
Keyboard 5-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 9.5 in x 6 in x 2.75 in
24 cm x 15 cm x 7 cm
Weight 2.84 Kg (6.25 lb)
Rating/Material NEMA 4X/IP66, stainless steel
Certifications and Approvals
NTEP
CoC Number 97-130
Accuracy Class III/III L
n
max
: 10 000
Measurement Canada
Approval AM-5213
Accuracy Class III/III HD
n
max
: 10 000
•
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