The SWS-W606 digital panel indicator displays numerical values and characters according to user specifications (in SLAVE mode only) received from the master device via RS-485 serial interface. When used in MASTER mode it can collect values from other devices as well. This model features adjustable display brightness (8 levels), 4 buttons for main preset programming via keyboard located under transparent cover for added protection and an optional IR sensor (IR programmer SIR-15 system) for preset change without opening the cover via remote controller keyboard. This device uses Modbus RTU communication protocol (the RS-485 serial interface allows control via other protocols) and features a user defined baud rate in a 1200 ÷ 115200 baud range.