Siemens 6ES7921-3AL20-0AA0

The Siemens S7-200 PLC module (part number 6ES7921-3AL20-0AA0) is a powerful component tailored for industrial automation applications. Featuring a compact design, this module operates on a 16-bit processor with a maximum clock speed of 24 MHz, making it ideal for various tasks. It offers 4 KB of RAM and 16 KB of ROM for efficient data storage, supporting up to 128 digital inputs and outputs for flexible connectivity. Communication is seamless with options for PROFIBUS or RS-232 interfaces, ensuring integration with other devices in your system. Designed with user convenience in mind, it provides real-time error messages and alarm signals, aiding in prompt troubleshooting. Programming is facilitated through Siemens' intuitive software, such as STEP 7, which allows for simple program creation and debugging. Easy installation ensures that the module can be securely mounted and configured per your operational requirements, making it a reliable solution for enhancing the efficiency of your automation processes.