Siemens SIMATIC S7-300 16-Point Digital Output Module

Description

This is the Siemens SM 322 digital output module, part number 6ES7322-1BH01-0AA0, a core component of the highly successful SIMATIC S7-300 automation system. It provides 16 optically isolated digital outputs, each capable of switching 24V DC loads up to 0.5A. It is designed for robust performance in industrial environments and is ideal for controlling a wide range of actuators.

Specifications

• Manufacturer: Siemens
• Product Series: SIMATIC S7-300
• Module Type: Digital Output Module SM 322
• Part Number: 6ES7322-1BH01-0AA0
• Number of Outputs: 16
• Output Voltage: 24V DC
• Output Current: 0.5 A per channel
• Isolation: Optically Isolated
• Power Loss: Approx. 5.5 W

Label Info

• Model: 1P 6ES7 322-1BH01-0AA0
• Serial Number: S C-PDC10388
• Hardware Revision: E-Stand 5

Application

This module is used to expand the output capabilities of a Siemens S7-300 PLC system. It is commonly used to control solenoid valves, contactors, relays, and indicator lights in manufacturing, process control, and building automation systems.

Country of Origin

Made in Germany.

CO2 Impact

By purchasing this refurbished or surplus module, you are helping to avoid the emission of approximately 8.0 kg of CO2 associated with the production of a new unit. This saving is equivalent to driving a car for 40 kilometers.

Availability

This item is a reliable component from the S7-300 series, which is currently in its 'phase-out' lifecycle stage. While no longer the latest technology, it is widely available as a spare part for maintaining existing systems. Order now from PLC2Day for expert support and fast delivery.

FAQ

'E-Stand', short for 'Erzeugnisstand' in German, represents the functional or hardware revision of the module. E-Stand 5 is a specific version. When replacing a module, it's often important to match the E-Stand or use a newer one to ensure full compatibility with your existing hardware and software project.

Yes, the SIMATIC S7-300 hardware family is supported in Siemens TIA Portal up to version V17. However, for new projects, Siemens recommends using the successor S7-1500 family. This module is fully programmable within a TIA Portal project targeting an S7-300 CPU.

No, this is a standard digital output module. For safety-related functions like emergency stops, you must use dedicated Siemens Safety Integrated modules, typically identified by a yellow color and an 'F' (for Failsafe) in their model number.

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Last Update: Friday, March 13, 2026