The 6ES7321-1BH50-0AA0 is a Siemens SIMATIC S7-300 digital input module. It features 16 isolated digital inputs, operates at 24V DC, and uses a source input configuration. This module is designed for industrial automation applications and integrates seamlessly with the S7-300 series PLCs.

• Supply Voltage: 24V DC (range: 20.4V - 28.8V)
• Power Loss: Typical 3.5W
• Digital Inputs: 16 isolated inputs
• Input Voltage: 24V DC
• Input Current: Typical 7mA for signal "1"
• Input Delay: 1.2ms - 4.8ms (for both "0" to "1" and "1" to "0")