Rice Lake 920i Installation Manual V3.10 - Manual (Page 130)

124 920i Installation Manual
10.14 Specifications
Power
Line Voltages 115 or 230 VAC
Frequency 50 or 60 Hz
Power Consumption
(universal model, 32 x 350
Ω load cells)
115 VAC 400 mA (46 W)
230 VAC 250 mA (58 W)
Fusing
115 VAC 2 x 2A TR5 subminiature fuses
Wickmann Time-Lag 19374 Series
UL Listed, CSA Certified and Approved
230 VAC 2 x 2A TR5 subminiature fuses
Wickmann Time-Lag 19374 Series
UL Recognized, Semko and VDE
Approved
A/D Specifications
Excitation Voltage 10 ± 0.5 VDC,
16 x 350
Ω or 32 x 700Ω load cells per
A/D card
Sense Amplifier Differential amplifier with
4- and 6-wire sensing
Analog Signal Input Range –10 mV to +40 mV
Analog Signal Sensitivity
0.3
μV/grad minimum @ 7.5 Hz
1.0
μV/grad typical @ 120 Hz
4.0
μV/grad typical @ 960 Hz
A/D Sample Rate 7.5–960 Hz, software selectable
Input Impedance >35 M
Ω typical
Internal Resolution 8 000 000 counts
Wt Display Resolution 9,999,999
Input Sensitivity
10 nV per internal count
System Linearity ±0.01% of full scale
Zero Stability ±150 nV/°C, maximum
Span Stability ± 3.5 ppm/°C, maximum
Input Voltage Differential ±800 mV referenced to earth ground
Input Overload
Load cell signal lines ±10 V
continuous, ESD protected
RFI/EMI Protection Communications, signal, excitation,
and sense lines protected
Digital Specifications
Microcomputer Motorola ColdFire
®
MCF5307 main
processor @ 90 MHz
Digital I/O 4 I/O channels on CPU board; optional
24-channel I/O expansion cards available
Digital Filter Software selectable: 1–256, enhanced
Rattletrap
®
hybrid digital filtering
Serial Communications
Serial Ports 4 ports on CPU board support up to 115200
bps; optional dual-channel serial expansion
cards available
Port 1 Full duplex RS-232
Port 2 RS-232 with CTS/RTS; PS/2 keyboard
interface via DB-9 connector
Port 3 Full duplex RS-232, 20 mA output
Port 4 Full duplex RS-232, 2-wire RS-485, 20 mA
output
Operator Interface
Display 320x240 pixel VGA LCD display module with
adjustable contrast, 75Hz scan rate
26000 cd/m
2
brightness
Keyboard 27-key membrane panel, PS/2 port for
external keyboard connection
Environmental
Operating Temperature
Legal –10 to +40°C (14 to 104°F)
Industrial –10 to +40°C (14 to 104°F)
Storage Temperature –10 to +70°C (14 to 158°F)
Humidity 0–95% relative humidity
Enclosure
Enclosure Dimensions
Universal enclosure 10.56 in x 8.51 in x 4.61 in
(without tilt stand) 268 mm x 216 mm x 117 mm
Deep enclosure 10.76 in x 8.51 x 5.25 in
(without tilt stand) 273 mm x 216 mm x 133 mm
Panel mount enclosure 11.5 in x 9.1 in x 5 in
292 mm x 231 mm x 127 mm
Wall mount enclosure 14 in x 18 in x 6.75 in
356 mm x 457 mm x 171 mm
Weight
Universal enclosure 9.5 lb (4.3 Kg)
Deep enclosure 10.75 lb (4.9 Kg)
Panel mount enclosure 8.5 lb (3.9 Kg)
Wall mount enclosure 23 lb (10.4 Kg)
Rating/Material NEMA 4X/IP66, stainless steel
Certifications and Approvals
NTEP
CoC Number01-088
Accuracy Class
III/IIIL n
max
: 10 000
Measurement Canada
Approval
AM-5426
Accuracy Class III n
max
: 10 000
UL
Universal model
File Number:E151461
Panel mount model
File Number:E151461, Vol 2
Wall mount model
UL 508A control panel approved
File Number:E207758
OIML
GB-1140
n
max
: 6 000
GB-1135 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
UL
C US
LISTED
®
UL
C US
LISTED
®