Siemens Simatic S7 6ES7321-1BL00-0AA0

Siemens 6ES7321-1BL00-0AA0 – SIMATIC S7-300 Digital Input Module SM 321

The Siemens 6ES7321-1BL00-0AA0 is a digital input module from the SIMATIC S7-300 series, designed for industrial automation applications. It offers 32 optically isolated digital inputs, suitable for processing 24 V DC signals, and is ideal for various control tasks within automation systems.

• Manufacturer: Siemens
• Model: 6ES7321-1BL00-0AA0
• Series: SIMATIC S7-300
• Module Type: SM 321 Digital Input Module
• Number of Digital Inputs: 32
• Input Voltage: 24 V DC (permissible range: 20.4 V to 28.8 V)
• Input Current: Typ. 7 mA per channel
• Input Delay:
  • “0” to “1”: 1.2 ms to 4.8 ms
  • “1” to “0”: 1.2 ms to 4.8 ms
• Input Characteristics: IEC 61131 Type 1 compliant
• Isolation:
  • Between channels: No
  • Between groups of 16 channels: Yes
  • Between channels and backplane bus: Yes (optocoupler)
• Diagnostics:
  • Diagnostic functions: No
  • Diagnostic LEDs: Yes (green status indicators)
• Connectable Sensors: 2-wire sensors (max. quiescent current: 1.5 mA)
• Cable Length:
  • Shielded: up to 1000 m
  • Unshielded: up to 600 m
• Power Supply: 24 V DC
• Power Consumption: Approx. 6.5 W
• Mounting: DIN rail
• Dimensions (W x H x D): 40 mm x 125 mm x 120 mm
• Weight: Approx. 260 g
• Required Front Connector: 40-pin (e.g., 6ES7392-1AM00-0AA0)
• Product Lifecycle Status: Discontinued since October 1, 2023
• Country of Origin: Germany
• Compliance: RoHS compliant since March 31, 2008
• EAN: 4025515060772
• UPC: 662643175493

Note: This product has been discontinued and is no longer available.