For the connection of 1 or 2 scales with analog strain gauge load cells, entry impedance 43 Ohm–3.3 kOhm (e.g. suitable for 8 x 350 Ohm load cells), or via Zener barriers, entry impedance 87.5 Ohm–3.3 kOhm (e.g. suitable for 4 x 350 Ohm load cells), W&M approved resolution of up to 6,000 d at a max. of 80 % preload, internal resolution 524,000 d, update rate selectable 50–800 updates / second, smallest load cell signal 0.33 mV/e. Optional switching and summing function. Option: connection of scale platforms with digital force transducers. Option: up to 6 external scale interfaces via ADCBox.
Setup as a single or multiple-range scale with 1, 2 or 3 ranges or as multi-interval scale. Calibration with test weights or through entry of rated output of load cell(s), option for the linearization of the load curve with up to 6 linearization points. Option to connect incline switch.
110 (–15 %) to 240 (+10 %) V AC, 50/60 Hz via external power supply unit, option: 12–30 V DC, power consumption max. 20 VA.
–10 °C (+14 °F) to +40 °C (+104 °F), max. 95 % relative humidity, non-condensing.
Display and keyboard
Bright, high-contrast 7″ colour TFT display, 800 x 480 pixel, with wide viewing angle, large weight display and 4 to 8 input lines. Touchpanel operation.
Up to 4 interfaces, selectable RS232, 20mA CL (passive), RS422 or RS485 for label printers, precision scales, remote displays, transponder card readers, etc.
Parallel and analog I/Os
Up to 8 internal optoisolated inputs and outputs, 24 V DC, or external relay/transistor module (64 inputs, 64 outputs max.). Internal 15-bit analog output, external module for up to 4 analog inputs/outputs as an option.
Ethernet/IP, Profibus DP 12 Mbit, Profinet or Modbus TCP. Ethernet interface 10/100 Mbit Ethernet interface with integrated web server, WLAN as option.
USB 2.0 host interface with optional IP65 connector for PC keyboard, scanner or USB stick.
Powerfail safe storage of data, password protection, battery-backed real-time clock, remote diagnosis over Ethernet / Internet possible. CPU / operating system 32-bit ARM processor, 266 MHz, 1.5 MB data memory, expandable. Linux based real-time multitasking operating system.
Comprehensive, PC-based program development and test environment. Programming with RTC WIN in ‘C’ in compliance with WELMEC software guidelines. Complete software development and test/simulation possible on PC.
IT8000ET programming environment.
Active X component for the communication
with PC programs.
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