Description: The M420 Modbus Remote I/O Module is an industrial class, isolated designed, high reliability, high stability and high precision data acquisition module, embedded 32-Bit High Performance Microprocessor MCU, provides a RS485 interface. It provides multi I/O, supports standard Modbus RTU, can be intergraded into SCADA, OPC server, HMI and other automation systems. It is design for working in the harsh industrial application environment, widely used in a variety of industrial automation, security monitoring system, automatically measurement and control system. The M420 Modbus Remote I/O module provides 16 digital outputs, supports 10Hz~300Khz high speed pulse output or relay outputs, the DO1 supports PWM function. All of the I/O with high sampling frequency and special filtering strategy to ensure it ’s reliable. The M420 Modbus Remote I/O module can work at wide working voltage range, the range is 12 ~ 36VDC with anti-reverse protection design. Specification: Material: Metal Size: Approx. 105x88x30mm/4.13x3.46x1.18inch Package Includes: 1 Piece Remote I/O Module (Include some interface port) 1 Piece User Manual