Brand: SIEMENS Model: QLCCM 22 AANCRITICAL Module Type: Discrete I/O Module Number of Channels: 22 Operating Voltage: 24VDC Protection Class: IP20 Installation Method: Rail Mounting Interface Type: M12 Connector Operating Temperature Range: -25 ° C ~ + 60 ° C Storage Temperature Range: -40 ° C ~ + 8 5 ° C Dimensions (W X H X D): 55mm X 90mm X 80mm The QLCCM22Aan is a key discrete I/O module from SIEMENS designed specifically for industrial automation environments.It uses advanced circuit design to ensure stable operation in harsh environments. The module has 16 input channels and 16 output channels, which can meet the needs of various complex application scenarios. The input channels support 24 V DC, while the output channels provide reliable on-off control. Protection class up to IP20, suitable for installation in standard cabinets. In addition, the module has a wide operating temperature range from -25 ° C to + 60 ° C, enabling it to function even in extreme weather conditions.A wider storage temperature range, from -40 ° C to + 85 ° C, ensures the safety of long-term storage. By using QLCCM22AAN, users can easily achieve precise control of industrial equipment, improve production efficiency and system reliability.