Features: Enhances your PLC interface with 1.8inch RS485 Modbus Rtu Digital Tube Display Module, offering clear and bright LED output for time data monitoring. This robust display module features adjustable brightness, supports ASCII characters, and is capable of cascading up to 247 units, making it a versatile addition to any digital system. for engineers and technicians specializing in automation and control systems, this display module simplifies the process of visualizing temperature, humidity, and other analog inputs. Perfect for industrial settings, this display can be integrated into control panels, machinery dashboards, or environmental monitoring stations for efficient data tracking. With its easy to follow wiring diagram and customizable initial display settings, setting up this display module, ensuring optimizing your system performances. Specifications: Material: PCB plastic board Style: DM18A01 board, DM18A01 with shells, DM18B02 board, DM18B02 with shells(optional) Power supply voltage: DC12V~24V Working current (12V): 1 Bit 10~48mA, 2 Bit 10~82mA, 4 Bit 10~150mA (the working current is related to the brightness of the digital tube) MODBUS RTU protocol, 03 read command, 06 or 16 write command. Device address: 1~247, default 1, by modifying the 485 address, up to 247 modules (more than 32, please use RS485 repeater) Digital tube digits: 1/2/4 Bit 1.8 inches Communication interface: RS485 Package Includes: 1PC Digital Tube Module note: Please allow 0-1cm error due to manual measurement. please make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.