Support up to four scales input; Standard with one serial port:RS232/485, MODBUS-RTU; Support one LAN port or two LAN ports;; One LAN port support TCP,UDP,MODBUS-TCP; Two LAN ports support PROFINET,MODBUS-TCP; PROFINET already certificated by PI Association(Siemens PROFINET organization); 6000e W&M Approved; Remote Configuration and Calibration via PROFINET,MODBUS-RTU,MODBUS-TCP. Option (Only in two scales with IO version): Target Control with 1-Speed or 2-Speed; INx2/OUTX3 for one scale, INx4/OUTx6 for two scales. Multi-calibration: Test weight calibration; No test weight calibration. Software Tool: Configure and do calibration for each scale.