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SIEMENS 6ES7321-1BH02-0AA0 digital input module
SIEMENS 6ES7321-1BH02-0AA0 digital input module

SIEMENS 6ES7321-1BH02-0AA0 digital input module

  • Industrial automation systems
  • PLC-based control systems
  • Sensor data acquisition
  • Production lines, process control systems
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    This module from the SIMATIC S7-300 SM 321 series is a digital input module.

    • Model: DI 16 x DC 24 V
    • Optically isolated, 1 x 20-pin connector
    • Complies with IEC 61131 Type 1
  • Number of inputs: 16 digital inputs
  • Input voltage: 24 V DC (operating range: 20.4 V - 28.8 V)
  • Input current: Typical 7 mA (for signal "1")
  • Input delay:
    • Min: 1.2 ms
    • Max: 4.8 ms
  • Power loss: Typical 3.5 W
  • Current from backplane bus: Max 10 mA
  • Cable length:
    • Unshielded: Max 600 m
    • Shielded: Max 1000 m
  • Connectable sensors: 2-wire sensors (max. 1.5 mA quiescent current)
  • Galvanic isolation:
    • Between channels: No
    • Between channels and backplane bus: Yes (via optocoupler)
  • Alarms and diagnostics:
    • Hardware interrupt: No
    • Diagnostic messages: No
    • LED indicator: Yes (green)
  • Dimensions:
    • Width: 40 mm
    • Height: 125 mm
    • Depth: 120 mm
  • Weight: Approx. 200 g