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TLB : Digital - Analog weight transmitter with RS485

TLB : 0-20 mA; 4-20 mA; 0-10 V; 0-5 V; ± 10 V; ± 5 V
 
Options on request :
  • 2 Analog inputs 0-10V, 10 bits (they replace logic inputs)
  • Alibi memory
  • Initial verifi cation (Legal Metrology) M
Weight transmitter and indicator for Omega/DIN rail mounting suitable for back panel; space-saving vertical shape. Six-digit semialphanumeric display (8mmh), 7 segment LED. Four buttons. Dimensions: 25x115x120 mm.
The instrument is equipped with a RS485 serial port for connection to:
     - PC/PLC up to 32 instruments (max 99 with line repeaters) by ASCII Laumas protocol (compatible with W60000) or ModBus RTU. Optional protocols: Profi bus DP, Ethernet/ModbusTCP, USB and Radio by appropriate converter.
     - Remote display.
Optoisolated analog output 16bit: 0-20mA; 4-20mA (max 300ohm); 0-10V; 0-5V; ± 10V; ± 5V (min 10kohm).
THEORETICAL CALIBRATION by using buttons.
Weight transmitter approved OIML R61 (Automatic Gravimetric Filling Instruments) according to WELMEC Guide 8.8:2011 (MID).
CE- M approvable EN45501-2009/23/EC-OIML R76:2006
Technical Features :
    POWER SUPPLY and CONSUMPTION   12 - 24 VDC +/- 10% ; 5 W
    No LOAD CELLS IN PARALLEL and SUPPLY   max 8 ( 350 ohm ); 5VDC/120mA
    LINEARITY / LINEARITY OF THE ANALOG OUTPUT   < 0.01% Full Scale / < 0.01% F.S.
    THERMAL DRIFT / THERMAL DRIFT OF THE ANALOG OUT.   < 0.0005 % F.S. /°C < 0.003% F.S. /°C
    A/D CONVERTER   24 bit (16000000 points) 4.8kHz
    MAX DIVISIONS (with measure range: +/- 10mV =2mV/V)   ± 999999
    MEASURE RANGE   ± 39 mV
    MAX LOAD CELL’S SENSITIVITY   ± 7 mV/V
    MAX CONVERSIONS PER SECOND   300 conversions/sec.
    DISPLAY RANGE   - 999999 ; + 999999
    DECIMALS / DISPLAY INCREMENTS   0 - 4 ; x 1 x 2 x 5 x 10 x 20 x 50 x 100
    DIGITAL FILTER / CONVERSION RATE   0.012 - 7 sec / 5 - 300 Hz
    LOGIC RELAY OUTPUTS   N.3 - max 115 VAC / 150mA
    LOGIC INPUTS   N.2 - optoisolated 5 - 24 VDC PNP
    SERIAL PORT   RS485
    BAUD RATE   2400, 4800, 9600, 19200, 38400, 115200
    HUMIDITY (condensate free)   85 %
    STORAGE TEMPERATURE   - 30°C + 80°C
    WORKING TEMPERATURE   - 20°C + 60°C
    WORKING TEMPERATURE (CE-M APPROVED)   -10°C + 40°C
The two inputs can work as: net/gross weight, zero-setting, peak, or can be remotely read via protocol. The three outputs can work as set-points or can be remotely switched via protocol.
In monodirectional mode the RS485 port can be directly connected to PC’s or remote display’s RS232 port.