The Modicon M171 PLC in optimized design is intended for simple and compact applications in the field of HVAC machinery and pump automation. Its small form factor allows for space-saving installation. With the integrated display and buttons, control parameters can be adjusted directly on the device. The controller features a total of 14 integrated I/O, including 5 configurable (U/I/T) analog inputs, 4 digital inputs, and 5 configurable (U/I/PWM/PPM) analog outputs. It includes an integrated Modbus SL interface, which also allows for remote downloading. The power supply operates from 100 VAC to 240 VAC. The digital outputs are designed as relays (2A / 230VAC). Connections are made via removable screw terminals (not included). It can be mounted on a 35mm DIN rail. It is programmed with the free EcoStruxure Machine Expert - HVAC software. Certified according to CE, cURus (UL recognized), CSA, EAC, RCM, RoHS China.