Siemens SIMATIC S7-300 32-Channel Digital Output Module

Description

The 6ES7322-1BL00-0AA0 is a versatile digital output module from the Siemens SIMATIC S7-300 series. This SM 322 module provides 32 digital outputs, each capable of switching 24V DC loads up to 0.5A. It is an essential component for controlling actuators in automated systems, offering the reliability and performance expected from Siemens. Its optically isolated outputs ensure safe and interference-free operation, protecting the PLC's CPU from field-level electrical faults.

Specifications

• Manufacturer: Siemens
• Product Series: SIMATIC S7-300
• Model: SM 322
• Part Number: 6ES7322-1BL00-0AA0
• Number of Digital Outputs: 32
• Output Voltage: 24V DC
• Output Current: 0.5A per channel
• Isolation: Optically Isolated
• Connection: Requires 40-pin front connector (not included)

Label Info

• Type: 1P 6ES7 322-1BL00-0AA0
• Serial No: S C_L0664904
• E-Stand: 01

Application

This module is widely used in manufacturing, process control, and building automation for controlling solenoid valves, contactors, indicator lamps, and small motors. It is a perfect spare part for maintaining existing S7-300 installations.

Country of Origin

Made in Germany.

CO2 Impact

Opting for this pre-owned module over a new one prevents the emission of approximately 10 kg of CO2, which is comparable to driving a car for 50 kilometers.

Availability

This is an obsolete item but is available from our stock. Order now from PLC2Day for expert support and fast delivery.

FAQ

What front connector is required for this 6ES7322-1BL00-0AA0 module?

This module requires a 40-pin front connector. The Siemens part number for a screw-type connector is 6ES7392-1AM00-0AA0.

Is this module compatible with a Siemens S7-400 system?

No, this module is specifically designed for the SIMATIC S7-300 and the ET 200M distributed I/O systems. It is not compatible with the S7-400 rack.

What is the 'E-Stand: 01' on the label?

'E-Stand' refers to the hardware and firmware version of the module. Version 01 is an early release. Compatibility with specific CPU firmware versions should be checked in the system's hardware configuration if you are replacing a module with a different E-Stand.

Last Update: Friday, March 13, 2026

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