SIEMENS PLC SM321 6ES7321-1BH10-0AA0

About SIEMENS PLC SM321 6ES7321-1BH10-0AA0

The Siemens PLC SM321 6ES7321-1BH10-0AA0 is a state-of-the-art industrial and commercial automation device that is designed to streamline processes effectively. This PLC is in classic black color, maintaining a sleek and professional appearance in any setting. With a standard size, it is suitable for various applications, guaranteeing reliable performance. Operating on electric power mode, this PLC ensures efficiency and precision in control systems. It is brand new and comes with a warranty of 1 year, providing peace of mind to users. Trust this Siemens PLC for top-notch automation solutions in industrial and commercial environments.

Data Sheet 6ES7321-1BH10-0AA0

Product: SIMATIC S7-300, Digital input SM 321, isolated, 16 DI, 24 V DC, 1x 20-pole, 0.05 ms input delay

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.: 110 mA

Power Loss

• Power loss, typ.: 3.8 W

Digital Inputs

• Number of digital inputs: 16

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

• Number of simultaneously controllable inputs:

  • Horizontal installation:

    • Up to 40 C, max.: 16

    • Up to 60 C, max.: 16

  • Vertical installation:

    • Up to 40 C, max.: 16

• 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):

  • Parameterizable: No

  • At "0" to "1", min.: 25 s

  • At "0" to "1", max.: 75 s

  • At "1" to "0", min.: 25 s

  • At "1" to "0", max.: 75 s

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

• Between the channels: No

• Between the channels, in groups of 16: Yes

• Between the channels and backplane bus: Yes; Optocoupler

Isolation

• Isolation tested with 500 V DC

Connection Method

• Required front connector: 20-pin

Dimensions

• Width: 40 mm

• Height: 125 mm

• Depth: 120 mm

Weight

• Weight, approx.: 200 g 

Technical Details