Siemens Modules 6ES7321-1BH10-0AA0

The Siemens 6ES7321-1BH10-0AA0 module is an SM 321 digital input module for the SIMATIC S7-300 PLC system, designed for high-speed acquisition of digital input signals. It provides 16 galvanically isolated inputs and operates on a rated input voltage of 24 V DC. 

Specification:

• Number of Inputs: The module features 16 digital inputs.
• Input Voltage: The rated operating voltage is 24 V DC, with a permissible range of 20.4 V to 28.8 V.
• Isolation: It is galvanically isolated, with isolation between the channels and the backplane bus, in groups of 16 channels.
• Connector: Uses one 20-pole front connector.
• Dimensions: The module dimensions are approximately 40 mm (width) x 125 mm (height) x 120 mm (depth).
• Power Loss: Typical power loss for the module is about 3.8 W.