Terminal D3500.pdf

Product Description

The Weighing Terminal D3500 is a compact and powerful weight measuring and data processing instrument. It offers high performance, hardware and software reliability, legal-for-trade accuracy at a competitive price. Operator friendly configuration andoperation software allow the instrument to be configured for all weighing systems, with substantial data handling capability and peripheral interfacing.

Basic Features

• Large 7 digit VFD weight display.
• 80 character LCD with backlight for operator dialogues.
• 71 key QWERTY waterproof membrane keyboard with 16 direct function keys.
• Internal resolution 300,000 counts.
• Display resolution 99,000 increments.
• Approval for 5,000 divisions.
• Menu driven operation & conguration.
• User programmable data les and print formats.
• 1 centronics parallel and 4 serial communication ports
• Networking and remote control via EDP interface.
• 256 kbytes RAM and Real time clock with battery back up.
• Keyboard calibration.
• Loadcell excitation for 10 loadcells of 350 Ω each.
• Analog and digital ltering.
• Motion detection & Autozero tracking.
• Surge load cell protection.
• 250 locations for storage of tare weights.
• 5 data les with programmable totalizers (total capacity 1,600 records).

Application

• Weighbridges, platform scales, pallet scales requiring weight indication and professional documentation
• Labelling applications
• Computer based weighing systems

Operating Fuctions

• Operator Dialogue:Menu driven or function key operation
• User Programmable Data:Weighing ticket formats, Attributes, References, Commercial text, Data les Print date/ time/ indicated weight, First & Second weighing dialogue/printout, Third party weighing,Combined weighing.

Weighing Options

• Stainless steel housing AISI 304 table top housing, IP 65 Protection
• Digital set point and analogue output card (Optoisolated set points 8 inputs 24 Vdc, active high, 8 outputs, 300mA per output )

Operating Fuctions

Zero, tare, gross, test, tare recall, Auto zero maintenance, No motion detection, Dual interval

Specications

DISPLAY - KEYBOARD

STATUS ANNUNCIATORS: Power on, standstill, tare memory, zero
KEYBOARD: 71 keys Full QWERTY Alphanumeric keyboard incl. 16 direct
DISPLAY DIGITS: 4, 5, 6 (programmable via set up)
DISPLAY STEPS: 1, 2, 5, 10, 20, 50, 100, 200, 500 (programmable via set up)
FULL SCALE RANGE: The 2 most signicant decades of the digital display are programmable from 1 to 99 for the full scale range
DECIMAL POINT: Between any decade of the display
WEIGHT DISPLAY: Display 9 digit, 7 segment, high intensity, green VFD, 13 mm high
DATA DISPLAY: LCD 2 X 40 Characters backlit

SCALE CALIBRATION & FUCTIONS

WEIGHING FUNCTIONS: Auto Zero Maintenance, Motion Detection, Auto Zero on power-up
AUTO ZERO TRACK: O or 0,5 dd
INTERNAL RESOLUTION: 300,000 counts
DISPLAY RESOLUTION: Selectable up to 20,000 dd (in accordance with application and regulation)
INTEGRATION TIME: 20-100 ms, Setup selectable
MAXIMUM TARE EFFECT: -Max
DIGITAL CALIBRATION: Deadload and Span measurement via keyboard dialogue menu.

A/D CONVERTER

INPUT BIAS Current: 10 nA, typical
INPUT NOISE VOLTAGE: 0.35 μV p-p, typical
ANALOG FILTER: Active 2-pole 5HZ
A/D CONVERTER TYPE: Dual slope integrating ratiometric

POWER SUPPLY

Integrated in power cord receptacle
Mains voltage 220 VAC +15%, 50 Hz, 20 VA. Mains filter

ENVIRONMENTAL CONDITIONS / CONSTRUCTION

SURGE LOAD CELL PROTECTION: Standard high capacity surge arresters and RF troys
OPERATING TEMPERATURE: -10o to +40o C
STORAGE TEMPERATURE: -10o to +70o C
HUMIDITY: 90% RH max. non condensing
ELECTROMAGNETIC IMMUNITY: RFI and EMI safe. Full compliance to OIML R 76

OTHER FEATURES

TABLE TOP HOUSING: Powder coated, aluminium housing oering IP 40 protection
PROGRAM MEMORY: 256 k
DATA MEMORY: 256 k (with rechargeable battery backup)
REAL TIME CLOCK: Standard (with rechargeable battery backup)
CALIBRATION MEMORY: Serial EEPROM

LINEARITY & STABILITY

TEMP.COEFF.OF SPAN: < 3 ppm / oC
TEMP.COEFF.OF ZERO: < 3 ppm / oC
LONG TERM STABILITY: 0,01% of full scale per year
LINEARITY: Within 0,01% of full scale

LOAD CELL CONNECTION

LOADCELL EXCITATION VOLTAGE: 10 VDC + 5% Symmetric to Zero - 50% duty cycle
LOADCELL CONNECTION: 6 wire technique
DIGITAL FILTER: Programmable via set up parameter for 1, 2, 4, 8, 16, 32, 64
ANALOG INPUT: Auto zeroed, full scale signal 25 mV
MIN. INPUT VOLTAGE PER VSI: 1.33 μV (for legal-for-trade applications),
MIN. INPUT IMPEDANCE: 0.2 μV (for other applications)
MIN. NOMINAL INPUT IMPEDANCE: 35 Ohm (10 loadcells of 350 Ohm)
MAX.LINE RES.INDICATOR TO: 350 Ohm
LOADCELL: 14 Ohm for each wire. Max length of cable 800 m/mm2

INTERFACES

PARALLEL PRINTER PORT: Standard CENTRONICS D 25 Female Serial
COM 1 SERIAL EDP PORT: output bidirectional RS232C
COM 2 GEN. PURPOSE SERIAL PORT: Weight or Printer output RS 232C
COM 3: Serial output bidirectional RS232C
COM 4: 20 m A C.L.

APPROVALS

ACCURACY CLASS III: Approval Number DK 0199.12 (According to Dir.90/384/EU) 5000 div