Rice Lake 520 HMI Digital Weight Indicator Installation Manual - Manual (Page 94)

Appendix 88
12.14 Specifications
Power
Line Voltages 115 or 230 VAC
Power Consumption 160 mA @ 115 VAC
80 mA @ 230 VAC
Fusing F1 & F2
115 VAC 2 x 160 mA TR5 subminiature fuses
Wickmann Time-Lag 19374 Series
UL Listed, CSA Certified and Approved
230 VAC 2 x 80 mA TR5 subminiature fuses
Wickmann Time-Lag 19372 Series
UL Recognized, Semko and VDE Approved
Analog Specifications
Full Scale Input Signal -10 to +40mV
Excitation Voltage
10 ± 0.5 VDC,
8 x 350¾ or 16 x 700
 load cells
Sense Amplifier Differential amplifier with
4- and 6-wire sensing
Analog Signal Input Range 0.3 mV/V – 7mV/V
Analog Signal Sensitivity 0.3
V/graduation minimum,
1.5
V/grad recommended
A/D Sample Rate: 7.5 – 120Hz, software selectable
Input Impedance 200 M¾, 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 signal
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
Rejection
120 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: 4–20 mA
External loop resistance: 500

maximum
Digital Specifications
Microcomputer Hitachi H8/3002 main processor @
14.74756 MHz
Digital Inputs 3 inputs, TTL or switch closure, active-low
Digital Outputs 4 Outputs, current limited darlington pair
with TTL pull-up, 40V withstand
Digital Filter Two stage software selectable: 1–256,
enhanced Rattletrap
® hybrid digital
filtering
Serial Communications
2 RS-232 ports Full Duplex, EDP and PRN ports
1 RS-485 port Half Duplex, 2 wire
1 Current Loop port Active 20mA current loop, 2 wire
All Ports:
300,600,1200,2400,4800,9600,19200
bps; 7 data bits with even or odd parity;
8 data bits with no parity; two stop bits
on transmit, one stop bit on receive
Operator Interface
Display Vacuum fluorescent display:
7-digit, 14-segment primary weight display;
Two 5x7 dot matrix digits for units,
alphanumeric entry mode designators;
16-character dot matrix display for additional
symbols, user prompts.
Keyboard 5-key membrane panel
Environmental
Operating Temperature –10 to +40°C (legal-for-trade
applications);
–10 to +50°C (industrial applications)
Storage Temperature –25 to +70°C
Humidity 0–95% relative humidity
Enclosure
Enclosure Dimensions
9.5 in x 8.38 in x 5.25 in
241 mm x 213 mm x 133 mm
Panel Mount: 7.375 in x 3.875 in x 8.250 in
187.325 mm x 98.425 mm x 299.550 mm
Desktop: 7.55 in x 3.80 in x 7.27 in
191.8 mm x 96.5 mm x 184.7 mm
Rating/Material
Panel Mount: NEMA 4x/IP65 bezel
Desktop: NEMA 1 painted steel
Certifications and Approvals
NTEP
s
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CoC Number: 01-087
Measurement Canada
Approval:
AM-5425

UL
5,
# 53
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¥
File Number: E151461
OIML
File Number: GB1160