6ES7321-1CH20-0AA0 Siemens SIMATIC S7-300 Digital Input SM 321
6ES7321-1CH20-0AA0 Siemens SIMATIC S7-300 Digital Input SM 321
6ES7321-1CH20-0AA0 Siemens SIMATIC S7-300 Digital Input SM 321
6ES7321-1CH20-0AA0 Siemens SIMATIC S7-300 Digital Input SM 321
6ES7321-1CH20-0AA0 Siemens SIMATIC S7-300 Digital Input SM 321
6ES7321-1CH20-0AA0 Siemens SIMATIC S7-300 Digital Input SM 321

6ES7321-1CH20-0AA0 Siemens SIMATIC S7-300 Digital Input SM 321 Original Brand New

Model / SKU6ES7321-1CH20-0AA0

6ES7321-1CH20-0AA0

Siemens SIMATIC S7-300, Digital input SM 321, isolated, 16 DI, 48-125 V DC, 1x 20-pole

$731.47
Available on backorder
  • ConditionOriginal Brand New
  • Warranty12 months

Backorder available · Factory lead time 2–3 weeks.

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Description

6ES7321-1CH20-0AA0

Siemens SIMATIC S7-300, Digital input SM 321, isolated, 16 DI, 48-125 V DC, 1x 20-pole

Overview

  • Digital inputs
  • For connecting standard switches and two-wire proximity switches (BEROs)

Application

Digital input modules can be used to connect the PLC to digital process signals. They are suitable for connecting standard switches and two-wire proximity switches (BERO).

Design

Digital input modules feature the following mechanical characteristics:

  • Compact design:
    The rugged plastic housing contains:

    • Green LEDs for indicating the signal status at the inputs.
    • Socket for the front connector, protected, behind the front door.
    • Labeling field on the front door.
    • Connector pin assignment for the wiring on the inside of the front door.
  • Easy installation:
    There are no slot rules, the addresses of the inputs are determined by the slot.
    When used in ET 200M in combination with active bus modules, hot swapping is possible without any reaction.
  • User-friendly wiring.

The modules are available with 8, 16, 32, or 64 channels.

Download

Data Sheet (PDF)

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Specifications

SKU / Model6ES7321-1CH20-0AA0
Weight0.248 kg
Dimensions131 × 150 × 50 mm

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