The Siemens 6ES7321-1BH02-0AA0 is a digital input module of the SIMATIC S7-300 series, which is used to connect standard switches and two-wire proximity switches to realize the connection between the PLC and digital process signals. The following is its detailed information in English:
- Brand: Siemens
- Part Number: 6ES7321-1BH02-0AA0
- Product Series: SIMATIC S7-300
- Product Type: Digital Input Module
- Product Family: SM 321 Digital Input Modules
- Country of Origin: Germany
- Power Supply: 24V DC
- Input Channels: 16 independent channels
- Isolation: Adopts electrical isolation technology to effectively prevent interference between different potentials and improve the stability and reliability of the system.
- Input Signal Type: Supports 24V DC input voltage.
- Input Current: For signal "1", the typical value is 7mA.
- Response Time: ≤ 0.05ms, which can quickly respond to external signal changes.
- LED Indicator: There are green LED indicators on the module to display the signal status of the input end, which is convenient for users to monitor the input signal status in real time.
- Dimensions (W×L×H): Approximately 12.80cm×15.00cm×5.10cm.
- Weight: About 0.234kg.
The product life cycle management (PLM) is in the PM 400 stage, and the phase-out started from October 1, 2023.
It is suitable for various industrial automation control scenarios, such as factory production lines, process control systems, building automation systems, etc. It can collect the status signals of various field devices (such as buttons, limit switches, etc.) and transmit them to the S7-300 CPU for processing, so as to realize the automation control of the entire production process or system.
