MarioGS Posted October 23, 2019 Report Share Posted October 23, 2019 (edited) Hi I have invested a lot of time without succes to comunicate a US7-B10-RA28(+ module UAC-CX-01RS4) with a ultrasonic device( modbus RS485 ). I want to read holding registers (40001 to 40016). The manufacturer of device recommend to read the holding register (03) ( 40001 to 40016), I did this with unilogic software but without succes¡ In Global Tags show: Modbus Slave Status: 3 Could help me ? I do not Know What is the error? Edited October 23, 2019 by MarioGS Add Config Quote Link to comment Share on other sites More sharing options...
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