설명

Weight transmitter / weight indicator AST-S

General properties

• application CE verifiable
• 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
• easily to be integrated into any automation system
• easy to use 5-key waterproof keyboard
• highly efficient red LED display with 6 8-mm digits and 6 LEDs for showing active functions
• dim. 120 x 111 x 22,5 mm height
• calibration, setup parameters, configurable from keypad or through optional PC software
• up to 10.000e or multirange 2 x 3000e @ 0,3 µV/d for M CE verified legal for trade use
• up to 100.000 displayable divisions with internal resolution up to 3.000.000 points
• A/D 24-bit sigma-delta conversion, up to 3200 conv./sec. autoselect
• connectable with up to 16 analog load cells with 350 Ω input resistance
• management of a digitally equalised 4-cell weighing system or management of 4 independent weighing systems
• extensive functions like automatic- and presettable tare, total weight, recipe, net/gross, piece counting, hold, peak etc.

Functions

• fast calibration
• theoretical calibration
• weighting filter configuration
• zeroing, tare, manual tare
• printing / data transmission
• on / standby
• cumulative weighing
• gross / net conversion
• piece counting
• hold (value fixed in display)
• peak weight;

Serial port 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

Master/repeater option

• specific program for using the indicator as a universal weight repeater or as a multi-scale repeater (MASTER) in combination with indicator ISC../GRM.. and crane scales KW../KS… Multi-scale repeater (MASTER)
• up to 32 independent scales connectable, with power management function, or view and print the total weight of all scales together
• UNIVERSAL weight repeater; function for displaying the weight display of any connected scales via configuration of the input string

Standard in-/outputs

• RS232/C bidirectional port configurable for connection with external units
• RS485 bidirectional port configurable for network connection / PC / PLC
• 16-bit analog output 4-20 mA / 0-5Vdc / 0-10Vdc (model AST-S-AN); maximum applicable load on output 350 Ω; minimum applicable resistance 10 KO (only type AST-S-AN)
• 2 PHOTOMOSFET outputs 150 mA 48 Vac / 150 mA 60 Vdc (NO) configurable as direct control or after weight stability, with programmable upper / lower limit value
• 2 configurable optoisolated inputs 12÷24 Vdc, 5 mA min – 20 mA max.