The Siemens 6ES7322-1BH01-4AA2 is a digital input/output module designed for use with Siemens PLC (Programmable Logic Controller) systems. It belongs to the S7-300 series of PLC modules and provides 8 digital inputs and 8 digital outputs.

Here are some specifications of the 6ES7322-1BH01-4AA2 module:

- Module Type: SM322- Number of Inputs: 8 digital inputs- Input Type: 24V DC digital input

- Number of Outputs: 8 digital outputs

- Output Type: Relay outputs, 2A per point

- Input Delay: 0.038 ms

- Output Delay: 0.1 ms

- Electrical Isolation: Yes

- Communication Interface: PROFIBUS DP

The module supports various digital input and output functions, including standard digital signals, pulse signals, and interrupt inputs. It can be used for a wide range of automation applications in industrial settings.