Specification: Model: OP320 - A Display size: 3.7 inches Display type: LCD screen Display color: monochrome Resolution: 192 x 64 pixels Brightness:60cd/m2 Processor: 8-bit processor Memory: 64 KB Flash ROM Input method: keyboard input Communication port: COM1:PC RS232, PLC S485/RS232 Function button: 20 self-defined Power off allowed: 20ms Power supply :12~24V (V)±10% 10MΩ Shockproof test: 10~25Hz Protection grade: IP65 Working temperature: 0 ~ 50℃ Working environment humidity: 20~90%RH Storage temperature: d-20 ~70℃ Shell material: engineering plastics Display size: 101*36mm/4*1.4in Mounting hole size: 165*86mm/6.5*3.4in Size:172*94*30mm/6.8*3.7*1.2in Weight: Approx.338g/11.9oz Package list: 1 x Text Display 1 set x installation accessories Text display OP320-A is a small man-machine interface, mainly used with various kinds of PLC (or intelligent controller with communication port),Made of ABS material original and imported chip, good Anti-shock and stable working performance. The product monitor and modify the values and state of the internal registers or relays of the PLC in the form of text or indicator light so that the operator can control the equipment freely,and low power consumption. Text display make pictures on the computer by editing software TP200CN, input Chinese characters freely and set PLC address, use serial communication to download the screen,easy installation. Communication protocol and screen data are downloaded to the display without PLC writing communication program,characters x 4 lines, that is, 12 Chinese characters x 4 lines,very convenience. Text display has password protection, has alarm list function, line by line real-time display current alarm information,With background light STN liquid crystal display, 24 English.