Weight Transmitter / Weight Indicator AST-P

weegindicator_ast-p
weegindicator_ast-p

Weight transmitter / weight indicator AST-P is a versatile transmitter for panel mounting. Ideal as a 4-channel digital junction box for direct reading and diagnostics of each connected load cell. CE verified (application for legal trade).

See further under the tab Product information.

  1. Type: AST-P Item code: 181301 Price: On application
  2. Type: AST-P-AN + analoge output Item code: 181302 Price: On application
  3. Type: AST-P Profibus Item code: 181303 Price: On application

Weight Transmitter / Weight Indicator AST-P

General properties

  • application CE-verifiable (application for legal trade)
  • versatile transmitter 96x96x80 mm (lxhxpx); perforation 90×88 mm (lxh) for panel mounting
  • ideal as a digital 4-channel junction box for direct reading and diagnosis of any connected load cell
  • can easily be integrated in any automation system
  • easy to use 5-key waterproof keyboard
  • highly efficient red LED display with 6 13-mm digits and 6 LEDs for showing active functions
    calibration, setup parameters, configurable from keyboard
  • up to 10.000e or multirange 2 x 3000e @ 0,3 µV/d for M CE-verified legal for trade use
  • up to displayable 800,000d with internal resolution up to 3,000,000 points
  • up to 3 signal linearization points from keypad)
  • A/D 24-bit sigma-delta conversion, up to 200 conv./sec. autoselect
  • connectable with up to 16 analog load cells with 350 O input resistance
  • management of a digitally equalised 4-cell weighing system or management of 4 independent weighing systems
  • master/slave management (up to 4 slaves / 1 master)
  • from 12 Vdc to 24 Vdc power supply
  • extensive functions like automatic- and presettable tare, total weight, recipe, net/gross, piece counting, hold, peak etc
  • setup executable through indicator keyboard
  • RS-232/C bidirectional port for connection to external units
  • RS-485 bidirectional port for network connection
  • 2 fotomosfet outputs; 2 opto-isolated photo coupler inputs
  • MODBUS serial interface (model AST-P-AN)
  • 16-bit analog output 4-20 mA / 0-5Vdc / 0-10Vdc (model AST-P-AN)
  • power: from 12 Vdc to 24 Vdc

Functions:

  • zero setting
  • automatic and presettable tare
  • print and/or data transmission
  • ON/Stand-by
  • weighs totalization
  • formulation
  • net/gross weight switch
  • piece counting
  • hold (weight fixed in display)
  • peak weight
  • kg/lb conversion

Serial functions:

  • reading of the net, gross, and tare weights
  • microvolts or ADC converter for all channels
  • clearing
  • automatic and presettable tare
  • scale switch
  • printing
  • message display
  • setting of average piece weight in piece counting
  • setting of set points of the outputs
  • simulation of key pressure
  • reading/writing of alibi memory

Profibus functions: ( model AST-P Profibus )

  • reading of the net, gross, or tare weights
  • clearing
  • automatic tare
  • scale switch
  • setting of set points of the outputs
  • reading/writing of alibi memory

Standard in-/outputs:

  • RS232/C bidirectional port configurable for connection with external units
  • RS485 bidirectional port configurable for network connection–two 150 mA 48 Vac / 150 mA 60
  • Vdc (NO) photomosfet outputs which may be configured as direct control or upon weight stability, with programmable weight thresholds (disable and enable thresholds
  • 2 configurable optoisolator photocoupler inputs: 12÷24 Vdc, 5 mA min – 20 mA max
  • MODBUS serial protocol
  • with PROFIBUS serial interface
  • with 16-bit analog output 4-20mA / 0-5Vdc / 0-10Vdc at choice
  • the maximum applicable voltage is 350 Ω and the minimum applicable voltage resistance is 10 kΩ (only type AST-P-AN)

Options:

  • real-time clock module (date/time)
  • alibi memory incl. date/time for max. 120.000 weighings
  • ticketprinter for panel mounting
  • radio-interface for the purpose of wireless connection to PC/printer and indicator, max. distance 70 m indoors/ 150 m outdoors
  • easy weigh software for Windows
  • expansion module with indicator-LEDs for checkweighing (under/over/ok)