Siemens 6AG1305-1BA80-2AA0 Power Supply Module

Applications

The Siemens 6AG1305-1BA80-2AA0 SIPLUS S7-300 PS 305 is a stabilized DC power supply module designed for SIMATIC S7-300 automation systems. It converts an incoming 24–110 V DC supply into a regulated 24 V DC output, providing up to 2 A for PLC-related loads and other compatible control equipment.

Based on the standard 6ES7305-1BA80-0AA0, this SIPLUS version features conformal coating and is designed for industrial and railway applications requiring enhanced environmental protection.

Typical applications include:

• PLC Power Supply: Provides regulated 24 V DC power for compatible S7-300 system components.

• Industrial Control Cabinets: Supplies low-voltage DC power to control circuits and auxiliary equipment.

• Railway Automation: Supports power distribution in railway-related automation installations.

• Distributed Control Systems: Provides a local DC supply for compatible automation loads.

• Industrial Equipment Maintenance: Serves as a replacement power supply in existing S7-300 installations.

Advantages

1. Wide DC Input Voltage Range

The PS 305 accepts nominal input voltages of 24, 48, 72, 96, and 110 V DC, offering flexibility for different DC power infrastructures.

2. Regulated 24 V DC Output

It provides a stabilized 24 V DC output with a rated current of 2 A, suitable for compatible automation and control loads.

3. Short-Circuit and Open-Circuit Protection

The output is designed to withstand short-circuit and open-circuit conditions, helping protect connected equipment during abnormal operating conditions.

4. SIPLUS Conformal Coating

The conformal coating provides additional protection against environmental influences, supporting operation in demanding industrial environments.

5. Railway Application Compatibility

Designed according to EN 50155 requirements, the module is suitable for specified railway applications where electrical equipment must withstand demanding operating conditions.

6. Electrical Safety Isolation

The power supply provides safe electrical isolation and an SELV output circuit, supporting appropriate low-voltage control system designs.

7. Integrated Output Status Indicator

A green LED indicates the presence of the 24 V DC output, making basic power status checks easier during commissioning and maintenance.

8. Compact S7-300 Integration

Its dedicated design allows installation in compatible SIMATIC S7-300 configurations, simplifying power supply integration and maintenance.

Technical FAQs

Q1: What is the main function of the Siemens 6AG1305-1BA80-2AA0?

It is a PS 305 power supply module that converts an incoming DC supply into regulated 24 V DC power for compatible automation equipment and control loads.

Q2: What input voltage does this power supply support?

It supports nominal DC input voltages of 24 V, 48 V, 72 V, 96 V, and 110 V. Its specified permissible input range is 16.8 to 138 V DC.

Q3: What is the rated output voltage and current?

The module provides a regulated 24 V DC output with a rated output current of 2 A.

Q4: Can the output be used to supply external control devices?

Yes. The PS 305 can be used as a load power supply for compatible 24 V DC equipment, provided the total load remains within its rated output capacity.

Q5: Does the module provide short-circuit protection?

Yes. It features electronic short-circuit protection with automatic recovery after the short-circuit condition is eliminated. The connected load and wiring should still be checked before restarting the system.

Q6: Is the 6AG1305-1BA80-2AA0 suitable for railway applications?

Yes. It is designed according to EN 50155 and is intended for specified railway applications. Installation should follow the applicable railway equipment and environmental requirements.

Q7: What is the difference between the 6AG1305-1BA80-2AA0 and 6ES7305-1BA80-0AA0?

The 6AG1305-1BA80-2AA0 is the SIPLUS version based on the standard 6ES7305-1BA80-0AA0. It adds conformal coating and enhanced environmental suitability, including an extended temperature range.

Q8: How can the output status be checked?

The module has a green LED indicating the presence of the 24 V DC output. If the indicator is off or abnormal, check the DC input supply, wiring, output load, and protection status.

Q9: What should be checked if the power supply repeatedly shuts down?

Inspect the input voltage, polarity, wiring connections, output load, and possible short circuits. Also verify that the input remains within the permitted voltage range and that the connected equipment does not exceed the 2 A rated output current.

Q10: Can this module replace an AC-input S7-300 power supply?

Not directly. The 6AG1305-1BA80-2AA0 requires a DC input of 24–110 V, whereas AC-input power supplies have different electrical requirements. Check the input source, output rating, mounting arrangement, and system compatibility before replacement.