Weight Transmitter / Weight Indicator AST
Weight transmitter / weight indicator AST is a versatile transmitter for wall or panel mounting on DIN rails. 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.
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Type: AST Item code: 181101 Price: On application
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Type: AST-AN + analoge output Item code: 181102 Price: On application
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Type: AST Profibus Item code: 181103 Price: On application
Weight transmitter / weight indicator
General properties
- application CE verified
- versatile transmitter for wall – or panel mounting on DIN guiding bar
- ideal as digital 4-channel junction box for direct reading and diagnosis of any connected load cell
- easy to use 5-key waterproof keyboard
- highly efficient red LED display with 6 13-mm digits and 6 LEDs for showing active functions
dim. 106 x 90 x 58 mm high - calibration, setup parameters, configurable from keyboard
- up to 10.000e or multirange 2 x 3000e @ 0,3 µV/d for CE verified legal for trade use
- up to 800.000 displayable divisions with internal resolution up to 3.000.000 points
- up to 3 signal linearization points configurable 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)
- 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-AN)
- 16-bit analog output 4-20 mA / 0-5Vdc / 0-10Vdc (model AST-AN)
- dimensions 106 x 90 x 58 mm (l x w x h)
Functions
- zero setting
- automatic and presettable tare
- print and/or data transmission
- ON/Stand-by
- weighings totalization
- formulation
- net/gross weight switch
- piece counting
- hold (weight fixed in display)
- peak value
- 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 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-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)
