6ES7321-1BP00-0AA0

Overview

• Model: 6ES7321-1BP00-0AA0

• Type: Digital Input Module

• Application: Provides 64 DC digital inputs for SIMATIC S7‑300 automation systems

Electrical Characteristics

• Load Voltage (L+): 24 V DC (rated)

• Reverse Polarity Protection: Yes

• Backplane Bus Supply: 5 V DC, max. 100 mA

• Power Loss: 7 W (typical)

Digital Inputs

• Number of Inputs: 64

• Input Characteristic Curve: IEC 61131, type 1

• Simultaneously Controllable Inputs:

  • All positions up to 40 °C: 64

  • All positions up to 60 °C: 32

  • Horizontal installation up to 40 °C: 64

  • Horizontal installation up to 60 °C: 32

  • Vertical installation up to 40 °C: 32

• Input Voltage:

  • Type: DC

  • Rated Value: 24 V DC

  • Signal “0”: –30 … +5 V

  • Signal “1”: 13 … 30 V

• Input Current: 4.2 mA (typical for signal “1”)

• Input Delay:

  • Rated Value: 4.2 ms

  • 0 → 1: min. 1.2 ms, max. 4.8 ms

  • 1 → 0: min. 1.2 ms, max. 4.8 ms

Cable Length

• Shielded: max. 1000 m

• Unshielded: max. 600 m

Mechanical Specifications

• Module Format: Compact S7‑300 single‑width module

• Width: 4.0 cm

• Height: 12.5 cm

• Depth: 11.2 cm

• Weight: 0.23 kg

---