These display utilise OLED technology (Organic LED technology). OLED displays have a rapid response time, wide viewing angles, exceptional colour rendition and outstanding contrast and brightness display ratios. S401 an OLED indicator with Modbus communication - a HMI panel mount compact device, with a wide range visualization (up to 30 measurements) Programming is achieved via supplied software interfaced to a PC, or from the front keypad / menu. Interfaces to RS485 Modbus Master are as well as RS485 Modbus Slave. S401 has several master functions (27 math functions and 20 readings from slave modules)

Dimensions: - 96 x 48 x 40 mm
Power supply: - 10-40 Vdc / 19-28 Vac
Serial interface: - Nr 2 RS485 ModBUS RTU ports
Acquisition: - Analog or digital values from master / slave devices
Settings: - Language, brightness, contrast, communicatio parameters, range, offset, measure unit
Displaying: - up to 30 values (20 read, 10 calculated), max 3 values in the same page, freely configurable

Parameter Name	Parameter Value
Type	alphanumeric OLED
Format	compact, 128 x 64, 17-segment
Applications	digital signage
Other characteristics	RS485 adjustable brightness Modbus RTU panel-mount built-in