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- Siemens
- 6AG2134-6PA20-4BD0
- Analog Input Energy Meter
- Germany
- 20 × 73 × 58 mm
- 0.056 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Siemens 6AG2134-6PA20-4BD0 SIPLUS ET 200SP Analog Input Energy Meter is an electrical measurement module in the SIPLUS ET 200SP distributed I/O family. Its detailed product designation is SIPLUS ET 200SP AI Energy Meter 480VAC TX RAIL, based on the standard 6ES7134-6PA20-0BD0. The SIPLUS version features conformal coating and extended environmental qualifications for demanding installations, including specified railway applications.
The module measures electrical quantities using voltage connections and external current transformers. It can acquire voltage, current, energy, power and frequency values, allowing the automation controller to monitor electrical loads and evaluate operating conditions. This is useful in control panels, industrial electrical systems and rail-related installations where electrical measurements need to be integrated into a distributed automation architecture.
The module uses a compatible ET 200SP BaseUnit type D0. Correct voltage wiring, current-transformer configuration and phase assignment are essential for accurate measurements. Its environmental ratings also need to be considered when selecting an installation location.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Model / Order Number | 6AG2134-6PA20-4BD0 |
| Product Family | SIPLUS ET 200SP |
| Product Type | Analog Input Energy Meter |
| Detailed Product Designation | AI Energy Meter 480VAC TX RAIL |
| Standard Base Model | 6ES7134-6PA20-0BD0 |
| Voltage Measurement | Supported |
| Current Measurement | Supported with current transformer |
| Energy Measurement | Supported |
| Power Measurement | Supported |
| Frequency Measurement | Supported |
| Rated Supply Voltage | AC 100–277 V |
| Maximum Measurable Line Voltage | 480 V AC between line conductors |
| Typical Measurement Update Cycle | 50 ms |
| Suitable BaseUnit | BU type D0 |
| Diagnostics | Channel diagnostics, diagnostic alarms, limit-value alarms and hardware interrupts |
| Environmental Protection | Conformal coating |
| Operating Temperature | -40°C to +70°C |
| Short-Duration Temperature Limit | +85°C for 10 minutes under specified conditions |
| Dimensions | 20 × 73 × 58 mm |
| Weight | 0.056 kg |
Product Features
- Multifunction electrical measurement: Acquires voltage, current, energy, power and frequency data for industrial monitoring.
- 480 V AC line measurement capability: Supports measurement between line conductors within the specified electrical configuration.
- External current-transformer connection: Allows current measurement through a suitable current transformer.
- High-resolution measurement processing: Supports RMS-based voltage and current measurement for electrical network monitoring.
- Integrated diagnostic functions: Provides channel diagnostics, limit-value alarms and hardware interrupts for configured monitoring tasks.
- SIPLUS environmental protection: Conformal coating and extended environmental qualifications support specified demanding operating conditions.
- TX RAIL variant: Includes environmental qualifications for designated railway-related applications.
- Distributed automation integration: Fits into an ET 200SP station using the specified D0 BaseUnit.
Working Principle
The module receives voltage signals from the monitored electrical network and current signals from external current transformers. It processes these inputs to determine electrical values such as voltage, current, active and reactive power, energy and frequency, according to the supported measurement functions and configuration.
The measurement data is made available to the automation system through the ET 200SP station. A PLC can use these values for load monitoring, energy accounting, limit checking and operational diagnostics. Supervisory applications can then display trends and alarms or collect measurement data for energy-management reports.
Correct wiring and configuration are essential to the measurement process. Current-transformer ratios, phase assignments and voltage connections must correspond to the actual electrical installation. Incorrect phase matching or transformer settings can produce misleading power and energy values even when the module is operating normally.
Role in a SIPLUS ET 200SP Energy Monitoring Architecture
The 6AG2134-6PA20-4BD0 serves as the electrical measurement interface between a monitored circuit and a distributed automation system. It collects electrical values and makes them available to the controller for monitoring and further processing.
| System Component | Function | Relationship to the Module |
|---|---|---|
| Voltage Measurement Connections | Supply voltage signals from the monitored network | Provide the voltage inputs used for electrical measurements |
| Current Transformers | Convert circuit current into a suitable secondary signal | Supply current measurement signals |
| SIPLUS ET 200SP Energy Meter | Processes voltage and current measurements | Calculates electrical quantities and energy values |
| ET 200SP BaseUnit D0 | Provides the required module mounting and electrical interface | Supports installation of the energy meter |
| ET 200SP Interface Module | Connects the I/O station to the automation network | Transfers station data to the controller |
| SIMATIC PLC | Executes control logic and processes measurement values | Uses electrical data for monitoring and application logic |
| HMI / SCADA System | Displays measurements, trends and alarms | Presents energy and electrical operating information |
Industrial Applications
| Application | Measurement Task | Role of the Module |
|---|---|---|
| Railway Electrical Systems | Monitoring electrical variables in qualified rail installations | Provides measurement data under specified TX RAIL environmental conditions |
| Industrial Energy Monitoring | Tracking consumption and electrical operating conditions | Supplies energy and power measurements to the automation system |
| Control Cabinets | Measuring voltage and current in monitored circuits | Integrates electrical measurements into distributed I/O |
| Manufacturing Facilities | Monitoring electrical loads associated with production equipment | Supports load analysis and operational reporting |
| Energy Management Systems | Collecting electrical data for consumption analysis | Makes measurement values available for supervisory applications |
| Electrical Fault Investigation | Reviewing measured electrical variables during troubleshooting | Provides data to help assess abnormal network conditions |
Installation and Maintenance
- Verify the order number: Confirm that 6AG2134-6PA20-4BD0 matches the intended energy measurement application.
- Check the BaseUnit: Use a compatible ET 200SP BaseUnit type D0 and verify the terminal arrangement before installation.
- Review the electrical network: Confirm that the nominal voltage and network configuration fall within the module’s specified measurement limits.
- Isolate the circuit: Follow the required electrical safety and lockout procedures before wiring or servicing the installation.
- Verify voltage connections: Check the connection diagram and confirm that each voltage input is wired to the correct terminal.
- Check current transformers: Confirm that the selected transformers and their secondary ratings are suitable for the measurement configuration.
- Verify transformer polarity: Check the current-transformer polarity and phase assignment to prevent incorrect power calculations.
- Configure measurement parameters: Enter the required measurement settings and transformer ratios in the engineering configuration.
- Review diagnostic functions: Confirm that relevant diagnostic alarms, limit values and hardware interrupts are configured as required.
- Check environmental conditions: Ensure that the installation conditions fall within the applicable operating temperature and environmental qualifications.
- Validate measurement readings: Compare the reported electrical values with an appropriate reference measurement during commissioning.
- Record the installation details: Document the module reference, wiring arrangement, transformer ratios and commissioning results for future maintenance.
Compatible System Components
| Component | Function | Compatibility Consideration |
|---|---|---|
| ET 200SP BaseUnit D0 | Provides the module’s mounting and electrical interface | Required BaseUnit type for this module |
| Current Transformers | Supply current signals for electrical measurement | Select and configure according to the monitored circuit |
| Voltage Measurement Wiring | Connects the module to the monitored electrical network | Must comply with the applicable connection diagram and voltage limits |
| ET 200SP Interface Module | Connects the distributed I/O station to the automation network | Select according to the station and communication requirements |
| SIMATIC PLC | Processes the module’s electrical measurement data | Requires a compatible ET 200SP station configuration |
| HMI / SCADA System | Displays electrical measurements and alarms | Uses controller data for monitoring and reporting |
Recommended Related Models
| Model | Product Type | Relationship | Selection Consideration |
|---|---|---|---|
| Siemens 6ES7134-6PA20-0BD0 | ET 200SP AI Energy Meter 480VAC ST | Standard base model for the SIPLUS version | Compare environmental qualifications before selection |
| Siemens 6AG2134-6PA00-4CU0 | SIPLUS ET 200SP AI Energy Meter 480VAC HF TX RAIL | Related energy-meter module with a different feature designation and BaseUnit requirement | Check measurement functions, feature class and BaseUnit type |
| Siemens 6AG2134-6PA01-4BU0 | SIPLUS ET 200SP AI Energy Meter CT ST RAIL | Related SIPLUS energy measurement module | Verify the voltage range and measurement configuration |
| Siemens 6ES7193-6BP00-0BD0 | ET 200SP BaseUnit Product Family Reference | Related ET 200SP BaseUnit reference | Confirm the exact D0 BaseUnit order number and connection arrangement before use |
Key Advantages
- Measures multiple electrical quantities through one distributed I/O module.
- Supports energy and power monitoring in compatible electrical installations.
- Provides diagnostic and limit-value functions for troubleshooting.
- Integrates with the modular SIMATIC ET 200SP automation architecture.
- Adds conformal coating and extended environmental qualifications for specified demanding installations.
- Supports rail-related applications covered by its TX RAIL qualifications.
Technical FAQs
What electrical quantities can the 6AG2134-6PA20-4BD0 measure?
The module supports voltage, current, energy, power and frequency measurement. The available values depend on the measurement configuration and the electrical connections used.
What is the difference between the 6AG2134-6PA20-4BD0 and 6ES7134-6PA20-0BD0?
The 6AG2134-6PA20-4BD0 is the SIPLUS version based on the 6ES7134-6PA20-0BD0. It adds conformal coating and extended environmental qualifications for specified operating conditions, including its TX RAIL application requirements.
Why must current-transformer polarity and phase assignment be checked?
Electrical power calculations depend on the relationship between voltage and current signals. Incorrect polarity or mismatched phases can result in inaccurate power and energy readings, even when the module and sensors are otherwise functioning.
Which BaseUnit is required for this energy meter?
The module specifies an ET 200SP BaseUnit type D0. The exact BaseUnit order number and terminal arrangement should be confirmed before installation to ensure the correct electrical interface.