Product Overview

The Siemens 6AG1961-3BA10-7AA0 SIPLUS PS Modular Signaling Module is an industrial power supply signaling accessory designed for use with compatible Siemens SITOP modular power supplies. It provides status signaling and remote control functions that help operators and automation systems monitor the condition and availability of the DC power supply.

Unlike conventional PLC digital input or output modules, this device is specifically intended to extend the monitoring and control capabilities of compatible power supplies. It makes important power supply conditions available through signaling contacts, allowing connected control equipment to receive information about output voltage status, operational readiness, and remote ON/OFF control.

The module is based on the Siemens 6EP1961-3BA10 signaling module design and belongs to the SIPLUS product family. Its extended environmental specifications make it suitable for installations that require operation under more demanding ambient conditions than standard industrial control environments.

The 6AG1961-3BA10-7AA0 is particularly relevant to automation cabinets where reliable DC power monitoring is important. By making power supply status available to the wider control system, it can support alarm handling, maintenance procedures, and coordinated responses to power-related events.

For engineers and maintenance teams, the exact product number is important because different SITOP signaling modules may have different environmental specifications and contact configurations. Compatibility with the installed power supply should always be confirmed before replacement.

Technical Specifications

Note: The supplied dimensions are retained for catalog listing purposes. Published catalog information gives a different dimensional arrangement for the related signaling module; verify the exact physical dimensions against the product drawing before installation or shipment.

Function and Working Principle

The Siemens 6AG1961-3BA10-7AA0 extends the monitoring and control capabilities of compatible SITOP power supplies. Its primary purpose is to communicate power supply operating conditions through signaling contacts.

1. Output Voltage Monitoring

One of the module’s main functions is to provide an output-voltage status signal.

In a typical industrial control cabinet, a 24 V DC power supply supports PLCs, sensors, relays, communication equipment, and other control devices. If the DC output becomes abnormal, the automation system may need to identify the condition and initiate an appropriate response.

The signaling module makes the output voltage status available to connected monitoring equipment. This can help operators identify power supply problems before they develop into wider control-system interruptions.

2. Operational Readiness Signaling

The module also provides an operational-readiness signal.

This function allows a connected control system to receive information about the power supply’s readiness for operation. The signal can be incorporated into PLC logic, alarm systems, or other monitoring arrangements where power supply availability is important.

For example, a machine-control system may use power supply readiness information as part of its startup permissive logic. The precise application depends on the power supply configuration and the control-system design.

3. Remote ON/OFF Function

The 6AG1961-3BA10-7AA0 supports remote ON/OFF functionality for compatible power supply configurations.

This allows an external control system to manage the power supply’s operating state through the supported interface. It can be useful in centralized cabinet management, maintenance procedures, and coordinated equipment shutdown sequences.

Remote control wiring and operating conditions must follow the manufacturer’s instructions. The function should not be treated as a substitute for an approved safety isolation or emergency-stop arrangement.

4. Signal Interface with Automation Equipment

The module makes power supply status information available to external equipment through its signaling interface.

Depending on the system design, these signals can be connected to PLC digital inputs, monitoring relays, or other compatible control devices. This allows the power supply to participate more directly in the overall automation monitoring strategy.

The exact terminal assignments and electrical characteristics should be checked in the product documentation before wiring.

Role in Industrial Control Systems

Stable DC power is essential for modern industrial automation. PLCs, sensors, communication devices, control relays, and operator interfaces all depend on suitable power supply conditions.

The Siemens 6AG1961-3BA10-7AA0 helps connect power supply status information with the wider control architecture.

PLC Monitoring

A PLC can receive the module’s status signals through compatible digital input circuits. The controller can then use this information in its program to generate alarms, manage operating sequences, or prevent machine startup when the required power conditions are not available.

For example, a PLC may monitor the output-voltage status and trigger an alarm if the power supply reports an abnormal condition.

HMI Alarm Display

An HMI can display power supply status information received through the PLC. Operators can see whether the power supply is reporting normal output voltage and operational readiness.

This provides additional visibility into the electrical condition of the control cabinet and can make troubleshooting more efficient.

Centralized Power Management

In installations with multiple control cabinets, power supply status signals can be incorporated into a centralized monitoring system.

Maintenance personnel can use these signals to identify which power supply requires inspection, helping reduce the time needed to locate electrical problems.

Coordinated Startup and Shutdown

Power supply readiness information can be included in machine startup logic. A PLC may check the relevant status signals before allowing a production sequence to begin.

Remote ON/OFF functionality can also support coordinated control procedures when designed and implemented according to the manufacturer’s requirements.

Industrial Applications

The 6AG1961-3BA10-7AA0 is designed for compatible SITOP power supply installations. Its signaling functions are useful wherever DC power availability and status monitoring are important.

1. Industrial Automation Cabinets

Control cabinets contain multiple devices that depend on stable DC power, including PLCs, relays, sensors, and communication equipment.

The signaling module helps make power supply conditions visible to the control system. This can improve cabinet-level monitoring and support faster identification of power-related faults.

2. Manufacturing Production Lines

Production lines often depend on coordinated operation between controllers, drives, sensors, and machine actuators.

Power supply status information can be incorporated into the line’s monitoring logic. If a power supply reports an abnormal condition, the PLC can generate an alarm or execute an appropriate process response.

3. Process Control Systems

Process control installations may operate continuously and require reliable power for measurement instruments, control devices, and communication interfaces.

The module can provide power supply status information to the monitoring system, supporting maintenance planning and operational awareness.

4. Building and Facility Automation

Industrial building systems may use DC power supplies for control panels, monitoring devices, communication equipment, and automation interfaces.

The signaling module can help integrate power supply status into the facility’s wider monitoring arrangement.

5. Equipment with Demanding Environmental Conditions

The SIPLUS version supports an extended operating temperature range of -25°C to +70°C and is designed for use under more demanding environmental conditions.

This makes it relevant to installations where temperature variation and environmental exposure must be considered during component selection. Actual suitability still depends on the complete installation environment and the manufacturer’s limitations.

Installation and System Integration

Correct installation is necessary to ensure reliable signaling and compatibility with the connected SITOP power supply.

1. Verify Power Supply Compatibility

Before installation, confirm that the connected power supply belongs to a compatible product configuration.

The 6AG1961-3BA10-7AA0 is identified for use with compatible 6AG1XXX-3BA00-XXXX signaling contacts. Do not assume that it can be installed on every Siemens power supply.

Check the power supply model, accessory interface, and applicable installation documentation.

2. Confirm Mounting and Physical Dimensions

The supplied dimensions are 165 × 120 × 40 mm, with a listed weight of 0.194 kg.

Published catalog data for the related signaling module gives different dimensions. Therefore, confirm the actual product drawing and mounting arrangement before preparing the cabinet or ordering replacement hardware.

Allow sufficient space for wiring, access, and maintenance.

3. Connect the Signaling Interface

Connect the signaling contacts according to the terminal diagram and electrical specifications.

Typical integration involves connecting the relevant status signals to PLC digital inputs or other compatible monitoring devices. Verify the electrical ratings, contact behavior, and required signal references before applying power.

Incorrect wiring may result in unreliable status indication or damage to connected equipment.

4. Configure PLC Monitoring Logic

After wiring, configure the PLC to interpret the available power supply status signals.

Possible functions include:

• Monitoring output-voltage status.
• Checking operational readiness.
• Generating alarms when a status changes.
• Including power supply conditions in startup permissives.
• Supporting maintenance notifications.

The actual logic should reflect the machine’s operational and safety requirements.

5. Test Remote ON/OFF Operation

If remote ON/OFF functionality is used, verify the wiring and control sequence before putting the equipment into normal operation.

Test the intended operating commands and confirm that the power supply responds correctly. Ensure that remote control does not bypass required safety isolation procedures.

6. Verify Environmental Conditions

The SIPLUS version is specified for an extended operating temperature range of -25°C to +70°C.

Although this provides additional environmental capability, the entire control cabinet must still be designed for its operating conditions. Consider temperature, condensation, dust, corrosive substances, ventilation, and the environmental limitations of other installed components.

Compatible System Components

The 6AG1961-3BA10-7AA0 is used as an accessory to compatible Siemens power supplies and can be integrated with other industrial automation components.

The listed components are examples of a possible installation. They are not necessarily included with the signaling module.

Alternative Models and Replacement Considerations

When replacing the 6AG1961-3BA10-7AA0, engineers should compare both the electrical interface and environmental specifications.

A replacement should be evaluated according to:

• Compatibility with the installed power supply.
• Output-voltage monitoring requirements.
• Operational-readiness signal requirements.
• Remote ON/OFF functionality.
• Contact characteristics and terminal assignments.
• Operating temperature range.
• Environmental protection requirements.
• Mounting dimensions and wiring arrangement.

The standard 6EP1961-3BA10 and SIPLUS 6AG1961-3BA10-7AA0 should not automatically be treated as identical in every environmental application. The SIPLUS version has specific extended environmental characteristics.

Key Advantages

Power Supply Status Visibility

The module provides signals related to output voltage and operational readiness, helping connected automation equipment monitor DC power conditions.

Remote ON/OFF Capability

Its remote control function supports coordinated power supply management in compatible installations.

Integration with PLC Systems

The signaling interface can be incorporated into PLC monitoring and alarm logic, allowing power supply status to become part of the machine-control strategy.

Extended Temperature Range

The SIPLUS version supports operation from -25°C to +70°C, making it suitable for applications requiring an extended temperature specification.

Support for Demanding Industrial Environments

The SIPLUS product design addresses more demanding environmental exposure than standard configurations, subject to the manufacturer’s specified operating conditions.

Improved Maintenance Visibility

Power supply status information can help maintenance personnel identify abnormal conditions and narrow down the source of control-system interruptions.

Technical FAQs

1. What is the Siemens 6AG1961-3BA10-7AA0?

It is a SIPLUS PS modular signaling module designed for compatible Siemens SITOP power supplies. It provides power supply status signaling and remote ON/OFF functionality.

2. Is this a PLC digital input module?

No. It is a power supply signaling accessory. It can provide status information to a PLC through compatible signaling connections, but it is not a conventional PLC input module.

3. What functions does this module provide?

Its documented functions include output-voltage OK signaling, operational-readiness signaling, and remote ON/OFF control.

4. What is the operating temperature range?

The specified extended operating temperature range is -25°C to +70°C.

5. Which power supplies are compatible?

The module is identified for compatible 6AG1XXX-3BA00-XXXX power supply signaling contacts. Confirm the exact power supply model and documentation before installation.

6. Can it be connected to a PLC?

Yes, its signaling functions can be integrated into a suitable PLC monitoring arrangement. The PLC input type and electrical characteristics must match the module’s signaling interface.

7. What is the difference between 6AG1961-3BA10-7AA0 and 6EP1961-3BA10?

The 6AG1961-3BA10-7AA0 is a SIPLUS version based on the 6EP1961-3BA10 design. It has an extended environmental specification, including an operating temperature range of -25°C to +70°C.

8. Is the 6AG1961-3BA10-7AA0 still in production?

Available product information indicates that this model was discontinued in October 2023. Availability may depend on remaining inventory and industrial spare-parts suppliers.

9. What should be checked before purchasing a replacement?

Verify the full part number, product condition, compatible power supply model, terminal configuration, and environmental requirements. For used equipment, request clear product photographs and available testing information.

10. Why is power supply signaling important?

Power supply signaling allows the control system to monitor important electrical conditions. This can support alarm generation, startup checks, maintenance procedures, and faster troubleshooting.

Procurement and Maintenance Recommendations

The Siemens 6AG1961-3BA10-7AA0 is a specialized SITOP accessory rather than a general-purpose PLC signal module. Procurement teams should verify the complete model number and confirm that the device matches the power supply installed in the control cabinet.

When sourcing this discontinued component, check the product label, physical condition, terminal condition, and availability of technical documentation. For critical applications, request functional testing of the signaling interface and confirm that the remote ON/OFF function operates as expected.

During installation, follow the manufacturer’s wiring instructions and verify all electrical characteristics before connecting the module to a PLC or other monitoring equipment.

For maintenance, periodically inspect connections, wiring condition, cabinet temperature, and environmental exposure. Keep the associated power supply documentation and record the signal behavior expected by the PLC program.

When planning a replacement, compare the standard and SIPLUS versions carefully. A component with a similar product description may not provide the same temperature range or environmental characteristics.

Conclusion

The Siemens 6AG1961-3BA10-7AA0 SIPLUS PS Modular Signaling Module is designed to extend the monitoring and control functions of compatible SITOP modular power supplies. It provides output-voltage status, operational-readiness signaling, and remote ON/OFF functionality, helping industrial automation systems monitor the condition of their DC power sources.

With its extended operating temperature range of -25°C to +70°C, the module is intended for applications requiring additional environmental capability. Its integration with PLC monitoring, HMI alarm systems, and industrial control cabinets makes it a useful accessory for power supply supervision and maintenance.

For replacement and procurement projects, verify the complete model number, power supply compatibility, terminal configuration, and environmental requirements before installation.