S7-400
The 11DB5B is an I/O module used in the Siemens S7-400 PLC system. It is part of the ET 200 distributed I/O system and is a fast, digital output module. It has 16 channels of 5mA current sinking outputs, and a response time of 1 ms. The module is configured using the S7 STEP 7 programming software, and it is available in either analog or digital configuration. The 11DB5B can be connected to other I/O modules via Profibus DP communication interface, making it a very versatile I/O device. It also has diagnostic capability to monitor the system's health.