Manufacturer: SIEMENS Model: 6ES7157-1AB00-0 AB0 Module Type: PROFINET Interface Module Maximum Number of Modules Connected: 32 I/O Modules Compatibility: Supports PROFINET Protocol Supply Voltage: 24VDC Operating Temperature Range: -25 ° C to + 60 ° C Protection Class: IP20 Weight: Approx. The SIEMENS 6ES7157-1AB00-0AB0PROFINET interface module is a high-performance module specially designed for industrial automation, providing stable and reliable data transmission and communication services.It supports the connection of up to 32 I/O modules and 16 ET200AL modules to meet the diverse needs of complex industrial environments. Its one-way direct switching function ensures the efficiency and stability of data transmission, while the built-in server module further improves the overall performance of the system. In addition, the module has a wide operating temperature range (-25 ° C to 60 ° C) to accommodate a variety of harsh environments.