This I/O expansion module is part of the Modicon M171/M172/M173 range, a control offer for HVAC/Pumping applications. This additional I/O module offers 2 digital inputs, 5 configurable analog inputs, 4 digital outputs, and 5 analog outputs. It has one port for LAN expansion bus. This module offers Additional I/O to the M171 controller. DIs are open collectors and AIs are NTC, 0-20mA, 4-20mA, 0-10V, 0-5V, 0-1V. DOs are SPST or SPDT (2A, 230Vac), AOs are open collectors for 12V PWM/PPM, 0-10V, or 4-20mA. It measures 70.2mm wide, 61.6mm deep, 87mm high, and weighs 0.385kg. This controller is designed for HVAC solutions. It is certified by CE, CSA, EAC, RCM, and CuRus. It is compatible with M171 optimized controllers. It is sold in a 1-piece package. It mounts on 35mm DIN rail. Modicon M171/M172/M173 controllers are designed for complete automation solutions for HVAC and Pumping machines. Modicon M171/M172/M173 range is for OEMs and helps to maximize profitability or energy efficiency in HVAC applications.