Siemens SIMATIC S7-300 Digital Output Module

Description

The 6ES7322-1BH01-0AA0 is a digital output module for the Siemens SIMATIC S7-300 PLC system. It features 16 channels that supply a 24V DC signal at up to 0.5A per channel, making it ideal for switching contactors, relays, solenoid valves, and indicator lights. Its optical isolation ensures protection for the PLC's internal circuitry from external voltage spikes and electrical noise.

Specifications

• Manufacturer: Siemens
• Series: SIMATIC S7-300
• Model: SM 322
• Part Number: 6ES7322-1BH01-0AA0
• Number of Outputs: 16
• Output Type: Digital (DC)
• Output Voltage: 24V DC
• Output Current: 0.5 A per channel
• Total Module Current: max. 4 A
• Isolation: Optically Isolated
• Power Loss: Typ. 5.5 W

Label Info

• E-Stand: 5
• Serial Number: S C-R7K40803
• Certifications: CE, UL, FM, ATEX

Application

This module is widely used in manufacturing, process control, and material handling systems for reliable digital signal output and actuator control within an S7-300 automation environment.

Country of Origin

Made in Germany.

CO2 Impact

Choosing this reused Siemens module saves approximately 8.0 kg of CO2 compared to a new one, contributing to a more sustainable industrial operation.

Availability

This module is a legacy component but remains available as a tested, used part. Order now from PLC2Day for expert support and fast delivery.

FAQ

No, the 6ES7322-1BH01-0AA0 is specifically designed for the SIMATIC S7-300 series backplane. While S7-300 and S7-400 systems can communicate, this I/O module is not physically or electrically compatible with an S7-400 rack.

While each of the 16 outputs is rated for 0.5 A, the module has a total current limit. For this specific module, the maximum total current for all channels in one group (8 channels) is 2 A, and the total current for the entire module (all 16 channels) is limited to 4 A. It is crucial not to exceed these limits to prevent damage.

'E-Stand 5' refers to the hardware revision or functional state of the module. Siemens periodically updates hardware without changing the core model number. A higher E-Stand number indicates a later hardware version, which may include minor improvements or component changes. It is generally compatible with earlier versions.

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Last Update: Friday, March 13, 2026