... of 3 modules can be used for one meter. Digital input, Digital output, pulse output, relay output, analog input and ... PF3, PF, U_unbl, I_unbl, Dmd_P, Dmd_Q, Dmd_S CommunicationRS485, Industry standard ModbusRprotocol Module Option: Ethernet module, Profbus-DP module Dual RS485 ... input bytes: 32, typical output bytes: 32; PROFIBUS standard according to EN 50170 vol.2 Data_loggingThe Acuvim IIR, model ...