Siemens Digital I/O Module, With Prioritised Startup, LED Indicators - SIMATIC Series - 6ES7521-1BH10-0AA0 Give the functionality and connectivity of your process control applications a leg up with this digital I/O module from Siemens. It extends industrial automation networks so you can enjoy reliable communications to and from connected sensors or actuators. As a result, it makes light work of collecting data for all linked modules. It's especially handy for incorporating legacy equipment into a system that can't communicate natively with your PLC. The product's support for the PROFINET protocol means you get the benefit of prioritised start-ups. This cuts the time needed for your network to return to full functionality after disruptions such as power failures. Features & Benefits • Tested to withstand 707V DC, so you can trust it's safely isolated against voltage surges
• Works at up to 5000m above sea level, making it ideal for use in high-altitude locations
• Comes with diagnostic LEDs that keep you up to speed on device status
• 16 channels let you connect up to 16 components What temperatures can this product put up with? This digital I/O module has a broad operating temperature range that runs from a low of -30°C to highs of +40°C (vertical installation) or +60°C (horizontal installation). This makes it a safe bet for use in harsh environments.