6ES7321-1BL00-0AA0

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$436.42
$436.42
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Overview

The Siemens 6ES7321-1BL00-0AA0 is a digital input module from the SIMATIC S7-300 series. It offers 32 isolated digital inputs operating at 24 V DC. Designed for industrial automation, this SM 321 module connects via a 40-pin front connector and supports a wide range of standard input devices.

Key Features

  • 32 digital inputs, isolated in groups of 16
  • Rated input voltage: 24 V DC
  • Compatible with 2-, 3-, and 4-wire proximity switches (BEROs)
  • Input signal type: IEC 61131 Type 1
  • Input delay: 1.2 ms to 4.8 ms (typical)
  • Status LEDs: Green indicator per input channel
  • Mountable horizontally or vertically
  • 40-pin front connector (screw or spring-type sold separately)

Technical Specifications

Input Channels 32
Input Voltage Range 13 V to 30 V DC ("1" signal), -30 V to +5 V ("0" signal)
Input Current 7 mA (typical)
Input Delay 1.2 ms to 4.8 ms
Isolation Groups 2 groups of 16 inputs
Electrical Isolation 500 V DC
Mounting Orientation Horizontal (up to 60°C), Vertical (up to 40°C)
Max Cable Length 600 m (unshielded), 1000 m (shielded)
Power Consumption 6.5 W (typical)
Backplane Current 15 mA max
Dimensions (W x H x D) 40 x 125 x 120 mm
Weight Approx. 260 g

Applications

Used in process control, machine automation, and industrial I/O systems where reliable 24 V DC digital input handling is required.

6ES7321-1BL00-0AA0

$436.42

  • ACHIEVING

    4.0

    average rating

  • With

    95%

    positive reviews

  • LESS THAN

    1%

    return rate

Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

What is the condition of the product?

All products sold are New & Unused.

How fast is shipping?

All products are delivered within 2-8 business days depending on our stock location.

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