Flintec II PC-BASED - Manual (Page 8)

FlintWeigh Technical Manual, Rev. 3.03 November 2011 Page 8 of 32
4.2. Technical Specifications
GENERAL
Scale interface
Intelligent interface with non-volatile memory for system parameters and
calibration data
ACCURACY
Accuracy Class III
EU Type approved
10 000 intervals (single interval) or n x 3 000 intervals (multi range / multi
interval)
Approval no. D-10-09-024 from 09th August 2010
DISPLAY AND KEYBOARD
Display
Approved PC-based weighing system with weight display on PC monitor
(Active-X-Control)
Resolution Selectable up to 99 000 counts (in accordance with the regulations)
Status annunciators Net mode, No Motion, Max. and Min, e, Scale no.
Keyboard The standard PC keyboard is used
INTERFACE TO DIGITAL LOAD CELLS
Communication & Protocol
RS485 half-duplex, baud rate 9 600…38 400; E7,1 OR 8N,1; compatible with
type RC3D load cell respective type LDU xx.x load cell digitizing unit
Excitation 12 V DC, max. 450 mA
No. of load cells / load cell
digitizing units
Up to 10 pieces directly powered type RC3D digital load cells OR
up to 16 pieces externally powered type RC3D digital load cells OR
up to 2 pieces directly powered type LDU xx.x load cell digitizing units
(valid for one scale interface)
Load cell connection
4-wire technique,
2 wires for the digitale interface and 2 wires for the sensor supply
SCALE CALIBRATION AND FUNCTIONS
No. of scales
Up to 2 scales per scale interface
With type RC3D it’s possible to have a 2-deck weighbridge system
Calibration Calibration performed by FlintWeigh II software
Corner correction Digital corner correction (only with type RC3D load cells)
Weighing functions Zero, tare, gross, motion detection, automatic zero tracking (Active-X-Control)
COMMUNICATION
To PC USB 2.0
DIGITAL INPUTS / OUTPUTS
Output 2x opto-isolated for setpoints (Open collector, 24 V DC, 50 mA)
Input 1x opto-isolated, 24 V DC
POWER
Power requirements
12 V DC / max. 1.5 A; power consumption depends on number of connected
load cells / load cell digitizing units
ENVIRONMENT AND ENCLOSURE
Operating temperature -10…+40 °C
Storage temperature -10…+70 °C
Humidity 40 to 90% RH (non-condensing)
EMC According to OIML R 76 and EN 45501 requirements
Enclosure Aluminium housing (IP 40), installed in the direct vincinity of the PC system
PC SYSTEM
Requirements
Windows XP; 1024 x 768 or higher graphic resolution; 128 MB or more RAM,
512 MB or more harddisk memory, USB 2.0 Interface