Features: The R4IOI16 16 Channel Multifunction RS485 IO Module offer DI DO modes and easy integration into your IO expansion board system, making it essential tool for efficient digital output management. This module features a 2.54MM pin header terminals, supports MODBUS RTU function codes, and allows configuration of five different IO modes through jumpers selection, ensuring adaptability to various project needs. Ideal for engineers and developers working on automation projects, this module provides performances for those requiring precise control over digital signals in their systems. Perfect for industrial automation, home automation systems, and remote monitoring applications, the R4IOI16 enhances your setups with its communication capabilities and flexible output configuration. This lightweight yet powerful module ensures connection and efficient data exchange in complex networking environment. Specifications: Component:ABS Type:16DI/16DO/8DI-8DO/4DI-12DO/12DI-4DO Power supply 1: 6-25V;Power supply 2: 4-5V Working current: 6MA MODBUS RTU function codes: Write 05/06/15/16, Read 01/02/03 Five function IO modes can be selected by jumpers: 16DI/16DO/8DI-8DO/4DI-12DO/12DI-4DO Rate:1200 2400 4800 9600 19200 38400 57600 115200 Size:Approx.51x21mm/2.01x0.83inch Package Includes: 1Pc Output Module note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.