Programmable small man-machine interface, cpu8 bit processor The display adopts STN liquid crystal display with background light, which can display 24 characters × 4 lines 20 key operations, which can be customized as function keys PLC internal register value can be modified; Free choice of communication mode, rs232/rs485/rs422 With password protection function and built-in clock With alarm list function, current alarm information is displayed line by line in real time Programming software adopts op6.5 or 8.0 version:

Programmable small man-machine interface, cpu8 bit processor The display adopts STN liquid crystal display with background light, which can display 24 characters × 4 lines 20 key operations, which can be customized as function keys PLC internal register value can be modified; Free choice of communication mode, rs232/rs485/rs422 With password protection function and built-in clock With alarm list function, current alarm information is displayed line by line in real time The programming software adopts md204l version: