... with RS485 MODBUS communication function.1. Main featuresDesigned specially for plastic machinery, food process machinery, packaging machinery and ... ~10 LED lights,OP1,AU1,AU2,RUN which respectively stand for output, first alarm, second alarm, and working condition ... display.AI-526P, 30segments. MODBUS.Part 2 stands for Front panel dimension SizeFront Panelwidth×heightCut Outwidth×heightDepth ...