SIEMENS PLC SM321 6ES7321-1BL00-0AA0

About SIEMENS PLC SM321 6ES7321-1BL00-0AA0

The SIEMENS PLC SM321 6ES7321-1BL00-0AA0 is a reliable industrial automation device designed to enhance operational efficiency. This PLC features a sleek grey color, operates on electric power mode, and utilizes a standard 24 Volt voltage. Its compact size makes it easy to integrate into various industrial settings. With a 1-year warranty, you can trust in the quality and longevity of this new PLC for your automation needs.

Data sheet 6ES7321-1BL00-0AA0

SIMATIC S7-300, Digital input SM 321, Isolated 32 DI, 24 V DC, 1x 40-pole

Supply voltage

• Load voltage L+

• Rated value (DC): 24 V

• Permissible range, lower limit (DC): 20.4 V

• Permissible range, upper limit (DC): 28.8 V

Input current

• From backplane bus 5 V DC, max.: 15 mA

Power loss

• Power loss, typ.: 6.5 W

Digital inputs

• Number of digital inputs: 32

• Input characteristic curve in accordance with IEC 61131, type 1: Yes

Number of simultaneously controllable inputs

• Horizontal installation
  Up to 40 C, max.: 32
  Up to 60 C, max.: 16

• Vertical installation
  Up to 40 C, max.: 32

Input voltage

• Type of input voltage: DC

• Rated value (DC): 24 V

• For signal "0": -30 to +5 V

• For signal "1": 13 to 30 V

Input current

• For signal "1", typ.: 7 mA

Input delay (for rated value of input voltage)

• For standard inputs
  Parameterizable: No
  At "0" to "1", min.: 1.2 ms
  At "0" to "1", max.: 4.8 ms
  At "1" to "0", min.: 1.2 ms
  At "1" to "0", max.: 4.8 ms

Cable length

• Shielded, max.: 1,000 m

• Unshielded, max.: 600 m

Encoder

Connectable encoders

• 2-wire sensor: Yes
  Permissible quiescent current (2-wire sensor), max.: 1.5 mA

Interrupts/diagnostics/status information

• Alarms: No

• Diagnostics function: No

• Diagnostic alarm: No

• Hardware interrupt: No

Diagnostics indication LED

• Status indicator digital input (green): Yes

Potential separation

• Potential separation digital inputs

• Between the channels: No

• Between the channels, in groups of 16

• Between channels and backplane bus: Yes; Optocoupler

Isolation

• Isolation tested with 500 V DC

Connection method

• Required front connector: 40-pin

Dimensions

• Width: 40 mm

• Height: 125 mm

• Depth: 120 mm

Weights

• Weight, approx.: 260 g

Technical Details