Rice Lake 720i Programmable Indicator/Controller - Installation Manual - Manual (Page 119)

Appendix 113
11.15 Specifications
Power
AC Power Range 100–240 VAC
Frequency 50 or 60 Hz
Power Consumption 25 watts maximum
A/D Specifications
Excitation Voltage 10 ± 0.5 VDC,
16 x 350
 or 32 x 700 load cells
Sense Amplifier Differential amplifier with
4- and 6-wire sensing
Analog Signal Input Range –10 mV to +45 mV
Analog Signal Sensitivity
0.3
V/grad minimum @ 7.5 Hz
1.0
V/grad typical @ 120 Hz
4.0
V/grad typical @ 960 Hz
A/D Sample Rate 7.5–960 Hz, software selectable
Input Impedance >35 M
 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 8 I/O channels on CPU board; optional
24-channel I/O expansion card available
Digital Filter Software selectable: 1–256, enhanced
Rattletrap
®
hybrid digital filtering
Serial Communications
Serial Ports Ports on CPU board support up to 115200 bps;
optional dual-channel serial expansion card
available
Port 2 Full duplex RS-232 with CTS/RTS
Port 4 Full duplex RS-232; 20mA
Additional Communications Options
Ethernet TCP/IP
4-wire RS-485
Fiber-optic
USB
Operator Interface
Display Universal viewable area: 5.3 in x 1.5 in (133 x 39
mm)
Panel mount viewable area: 3.8 in x 1.2 in (96 x
30 mm)
240 x 64 pixel VGA LCD display module with
adjustable contrast, 75Hz scan rate
Keyboard Universal: 22-key membrane panel
Panel mount: 10-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 +50°C (14 to 122°F)
Storage Temperature –10 to +70°C (14 to 158°F)
Humidity 0–95% relative humidity
Enclosure
Enclosure Dimensions
Universal enclosure 10.5 in x 7.25 in x 3.52 in
Panel mount controller11.0 in x 2.14 in x 6.05 in
Panel mount display7.36 in x 3.86 in x 1.58 in
Weight
Universal enclosure 8 lb (3.6 Kg)
Panel mount controller and display6 lb (2.7 Kg)
Rating/Material NEMA 4X/IP66, stainless steel
Certifications and Approvals
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
NTEP
CoC Number08-022
Accuracy ClassIII/IIILn
max
: 10 000
Measurement Canada
Approval
AM-5677
Accuracy Class III/IIIHDn
max
: 10 000
UL
C US
LISTED
®
Universal model
File Number:E151461
Panel mount model
File Number:E151461, Vol 2
Marked
6000/10,000 divisions UK 2893