6ES7321-1BH02-0AA0 | Siemens Digital Input SM 321

Description

The Siemens 6ES7321-1BH02-0AA0 is a Digital Input Module from the SIMATIC S7-300 series, featuring 16 isolated digital inputs. It supports 24 V DC signals and offers reliable input characteristics in line with IEC 61131, type 1. This module ensures smooth operation with potential separation via optocouplers and is designed for both horizontal and vertical installation.

Specifications

• Model: 6ES7321-1BH02-0AA0

• Manufacturer: Siemens

• Module Type: Digital Input

• Number of Digital Inputs: 16

• Input Voltage:

• Type: DC

• Rated Value: 24 V

• Signal "0": -30 to +5 V

• Signal "1": 13 to 30 V

• Input Current:

• For Signal "1": Typ. 7 mA

• Potential Separation:

• Between Channels: No

• Between Channels (Groups of 16): Yes

• Between Channels and Backplane Bus: Yes (Optocoupler)

• Isolation: Tested with 500 V DC

• Connection Method: 20-pin front connector

Dimensions

• Width: 40 mm

• Height: 125 mm

• Depth: 120 mm

Weight

• Approx. Weight: 200 g