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- 6ES7132-6FD00-0CU0
- Digital Output Module
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Product Overview
The Siemens 6ES7132-6FD00-0CU0 is a four-channel AC digital output module in the SIMATIC ET 200SP distributed I/O system. It belongs to the High Feature (HF) range and is intended for controlling AC-powered field devices through PLC output commands.
Unlike standard 24 V DC output modules, this module handles AC loads operating between 24 V and 230 V AC. Its four output channels use semiconductor switching technology, making it suitable for applications involving AC contactors, solenoid actuators, heating control circuits, and other compatible industrial loads.
Each channel has a rated output current of 2 A, while the module supports a maximum aggregate output current of 8 A under specified operating conditions. The outputs use a current-sourcing arrangement, switching the positive AC potential to the connected load when activated.
What distinguishes the 6ES7132-6FD00-0CU0 from the standard 6ES7132-6FD00-0BB1 is its additional functionality. The HF version supports channel-by-channel wire-break detection, load voltage monitoring, and phase control. It also supports energy-saving operation and different output operating modes.
For example, in an industrial heating installation, the module can control AC switching circuits according to temperature-related commands from the PLC. In machinery, its outputs can operate compatible AC actuators and contactor coils, while diagnostic information helps maintenance personnel identify wiring problems.
The module requires a BU type U0 BaseUnit. This connection requirement is particularly important when replacing an existing ET 200SP output module, since the BaseUnit arrangement differs from that used by the 6ES7132-6FD00-0BB1.
For applications requiring AC output switching together with more advanced operating and diagnostic functions, the 6ES7132-6FD00-0CU0 offers capabilities beyond the standard ST version.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Model | 6ES7132-6FD00-0CU0 |
| Product Series | SIMATIC ET 200SP |
| Product Type | Digital Output Module |
| Module Designation | DQ 4×24…230VAC/2A HF |
| Number of Digital Outputs | 4 |
| Output Technology | Triac |
| Output Voltage | 24–230 V AC |
| Rated Supply Voltage | 230 V AC |
| Supply Frequency | 47–63 Hz |
| Rated Output Current | 2 A per channel |
| Maximum Output Current | 4 A per channel, subject to derating |
| Maximum Total Module Current | 8 A |
| Output Configuration | Current-Sourcing |
| Short-Circuit Protection | Not integrated; external fuse protection required |
| Wire-Break Detection | Supported, channel by channel |
| Load Voltage Monitoring | Supported |
| Phase Control | Supported |
| Half-Wave Operation | Supported |
| Full-Wave Operation | Supported |
| Energy-Saving Function | Supported |
| PWM Function | Not supported |
| Substitute Values | Supported |
| Diagnostic Alarms | Supported |
| Compatible BaseUnit | BU Type U0 |
| Color Code | CC20 |
| Output Address Space | 8 bytes |
| Input Address Space | 1 byte for value status information |
| Maximum Switching Frequency (Resistive Load) | 10 Hz |
| Maximum Switching Frequency (Inductive Load) | 10 Hz |
| Maximum Switching Frequency (Lamp Load) | 1 Hz |
| Power Consumption Without Load | 8 mA |
| Typical Power Loss | 9 W under specified full-load conditions |
| Configuration Software | STEP 7 / TIA Portal |
| TIA Portal Version | V14 or higher |
| Dimensions | 20 × 73 × 58 mm |
| Weight | 0.06 kg |
Product Features
- Four AC Output Channels: Provides four independent switching channels for controlling external AC-powered equipment.
- Wide Voltage Range: Supports AC output applications from 24 V to 230 V.
- Triac Switching Technology: Uses semiconductor switching elements for controlling compatible AC loads.
- 2 A Rated Channel Current: Supports a rated output current of 2 A per channel.
- 8 A Aggregate Current: Supports up to 8 A total module current under specified installation and temperature conditions.
- Channel-Level Wire-Break Detection: Identifies open-circuit conditions individually across the output channels.
- Load Voltage Monitoring: Monitors the output supply voltage and reports relevant diagnostic conditions.
- Phase Control: Supports phase-angle control for applications requiring adjustment of AC output power.
- Half-Wave and Full-Wave Operation: Supports different AC output operating modes according to application requirements.
- Energy-Saving Function: Supports an energy-saving operating mode for compatible applications.
- Substitute Value Configuration: Allows predefined output states to be configured for supported fault conditions.
- Advanced Diagnostic Functions: Provides diagnostic alarms and module status information.
- BU Type U0 Compatibility: Uses the dedicated U0 BaseUnit arrangement within the ET 200SP system.
- I&M Data Support: Supports identification and maintenance information from I&M0 through I&M3.
Product Working Principle
The Siemens 6ES7132-6FD00-0CU0 converts digital commands from the PLC into AC switching signals through semiconductor output circuits.
The module receives process data through the ET 200SP backplane bus. When the PLC activates an output channel, the corresponding Triac switching circuit controls the AC current supplied to the connected load.
A typical signal path is:
SIMATIC PLC → ET 200SP Interface Module → Backplane Bus → 6ES7132-6FD00-0CU0 → AC Field Device
For example, in a temperature-controlled industrial process, the PLC can use temperature measurements to determine when an AC heating circuit should be activated. The output module receives the switching command and controls the corresponding AC output.
The HF version offers additional operating modes beyond ordinary digital switching.
Standard DQ Operation: Each channel operates according to the digital output command received from the PLC. This is suitable for switching compatible AC loads such as contactor coils and actuators.
Phase Control: The module can control the phase angle of the AC output within its specified control range. This is useful in applications where the power delivered to a compatible AC load needs to be adjusted rather than simply switched fully on or off.
Half-Wave and Full-Wave Operation: These operating modes allow the output behavior to be adapted to different AC load-control requirements.
The module also monitors output circuit conditions. If a connected load circuit develops an open-circuit condition, the channel-level wire-break diagnostic function can report the affected channel. Load voltage monitoring provides additional information about the external supply condition.
One important distinction is that the module does not have integrated short-circuit protection. External fuse protection must therefore be provided as specified in the installation documentation.
The maximum output current also depends on operating conditions. Although the module has a rated current of 2 A per channel and an aggregate current limit of 8 A, permissible loading must be checked against the installation orientation and ambient-temperature derating requirements.
Role in Siemens SIMATIC ET 200SP Control System Architecture
The 6ES7132-6FD00-0CU0 functions as the AC output stage within the ET 200SP distributed I/O architecture. It receives commands from the PLC and converts them into switching signals for connected AC field equipment.
The module is installed on a compatible BU type U0 BaseUnit. The BaseUnit provides the electrical and mechanical connection arrangement, while the ET 200SP interface module manages communication between the distributed I/O station and the central controller.
A simplified control architecture is:
SIMATIC PLC CPU → PROFINET / PROFIBUS Network → ET 200SP Interface Module → Backplane Bus → 6ES7132-6FD00-0CU0 → AC Field Devices
| System Component | Function |
|---|---|
| SIMATIC PLC CPU | Executes control logic and generates output commands |
| ET 200SP Interface Module | Connects the distributed I/O station to the controller network |
| 6ES7132-6FD00-0CU0 | Provides four AC digital output channels with HF functionality |
| ET 200SP BU Type U0 | Provides the required electrical and mechanical connection |
| AC Power Supply | Supplies the external AC output circuits |
| Digital Input Modules | Collect feedback signals from field sensors and switches |
| Analog Input Modules | Acquire process measurements such as temperature and pressure |
| AC Contactors | Switch external electrical circuits |
| AC Solenoid Valves | Control pneumatic or fluid-operated equipment |
| Heating Elements | Convert electrical energy into process heat |
| Protective Fuses | Provide external protection for the AC output circuits |
The module handles output switching and associated diagnostic functions. The PLC remains responsible for application logic, interlocking, sequencing, and determining when each output should operate.
Industrial Applications
The 6ES7132-6FD00-0CU0 is suited to industrial installations where AC output switching and additional diagnostic or control functions are required.
| Industrial Application | Typical Use |
|---|---|
| Industrial Heating Systems | Controlling compatible AC heating circuits and power-control applications |
| Packaging Machinery | Switching AC actuators and auxiliary equipment |
| Automotive Manufacturing | Operating AC contactors and machine control circuits |
| Food and Beverage Processing | Controlling AC-powered valves and production equipment |
| Chemical Processing | Switching AC loads in automated process installations |
| Water Treatment | Operating compatible AC actuators and auxiliary electrical equipment |
| Plastic Processing | Controlling AC heating-related equipment and auxiliary loads |
| Material Handling | Switching AC-powered machine components |
| Pharmaceutical Manufacturing | Operating AC control devices in automated production systems |
| General Manufacturing | Providing distributed AC output control with additional diagnostic functionality |
Installation and Maintenance
- Verify the Module Number: Confirm that the replacement is Siemens 6ES7132-6FD00-0CU0 and not the standard 6ES7132-6FD00-0BB1 version.
- Check BaseUnit Compatibility: Ensure that the installation position uses the specified BU type U0 BaseUnit.
- Verify the AC Supply: Confirm that the external supply voltage is within the permitted 24–230 V AC output range.
- Isolate All Relevant Power Sources: Disconnect the AC load supply and other relevant power sources before installation or maintenance.
- Check External Fuse Protection: Verify that the required external miniature fuse arrangement is installed. The module does not provide integrated short-circuit protection.
- Inspect Field Wiring: Check terminal connections, conductor insulation, and output wiring for damage or loose connections.
- Check Connected Loads: Confirm that each load is compatible with the module’s AC output characteristics and current ratings.
- Observe Current Derating: Calculate the expected channel and aggregate current according to the installation orientation and ambient operating temperature.
- Install the Module: Mount the module on the compatible BaseUnit and ensure that it is properly seated.
- Configure Operating Parameters: Use STEP 7 or TIA Portal to configure the ET 200SP station, output addresses, diagnostic functions, and required operating mode.
- Test Output and Diagnostic Functions: Check individual output channels, wire-break detection, load voltage monitoring, and other configured functions during commissioning.
- Document Maintenance Results: Record the module position, output assignments, connected loads, fuse arrangement, and diagnostic test results.
When troubleshooting, distinguish between an output switching problem and an external supply or wiring fault. Check the AC supply, protective fuse, BaseUnit connections, and connected load before replacing the module.
Compatible System Components
| Component | Function |
|---|---|
| Siemens 6ES7132-6FD00-0CU0 | ET 200SP four-channel AC digital output module |
| Siemens ET 200SP BU Type U0 | Compatible BaseUnit |
| Siemens ET 200SP Interface Module | Connects the distributed I/O station to the PLC network |
| Siemens SIMATIC S7-1200 | PLC controller for distributed automation applications |
| Siemens SIMATIC S7-1500 | PLC controller for industrial control systems |
| AC Power Supply | Supplies the connected AC output circuits |
| External Miniature Fuse | Provides required output circuit protection |
| Siemens 6ES7131 Series | ET 200SP digital input modules |
| Siemens 6ES7134 Series | ET 200SP analog input modules |
| Siemens 6ES7135 Series | ET 200SP analog output modules |
| AC Contactors | Switch external AC electrical circuits |
| AC Solenoid Valves | Operate pneumatic and fluid-control mechanisms |
Recommended Related Models
| Model / Product | Product Type | Typical Application |
|---|---|---|
| Siemens 6ES7132-6FD00-0BB1 | ET 200SP Digital Output Module, DQ 4×24…230VAC/2A ST | Standard AC digital output switching |
| Siemens 6ES7132-6BD20-0CA0 | ET 200SP Digital Output Module, DQ 4x24VDC/2A HF | High-feature 24 V DC output control |
| Siemens 6ES7132-6BD20-0BA0 | ET 200SP Digital Output Module, DQ 4x24VDC/2A ST | Standard 24 V DC output control |
| Siemens 6ES7132-6BH01-0BA0 | ET 200SP Digital Output Module, DQ 16x24VDC/0.5A ST | Multi-channel DC output applications |
| Siemens 6ES7131-6BH01-0BA0 | ET 200SP Digital Input Module | 24 V DC digital signal acquisition |
| Siemens 6ES7134-6GD00-0BA1 | ET 200SP Analog Input Module | Analog process signal acquisition |
Key Advantages
- Four independent AC digital output channels.
- Supports 24–230 V AC load switching.
- Triac-based semiconductor output technology.
- 2 A rated current per channel.
- Channel-level wire-break detection.
- Load voltage monitoring and diagnostic alarms.
- Phase control and half-wave/full-wave operating modes.
- Configurable substitute values.
- Compatible with ET 200SP BU type U0 BaseUnits.
- Suitable for distributed AC control applications requiring advanced functionality.
Technical FAQs
1. What is the main difference between the 6ES7132-6FD00-0CU0 and 6ES7132-6FD00-0BB1?
The 6ES7132-6FD00-0CU0 is the High Feature (HF) version, while the 6ES7132-6FD00-0BB1 is the Standard (ST) version. The HF model adds functions such as channel-by-channel wire-break detection, phase control, and additional operating modes. Their BaseUnit requirements also differ: the HF version uses BU type U0, whereas the ST version uses BU type B1.
2. Does the 6ES7132-6FD00-0CU0 have integrated short-circuit protection?
No. The module does not provide integrated short-circuit protection. External fuse protection is required, and the fuse must meet the specifications given in the module installation documentation.
3. What is the purpose of phase control on this module?
Phase control allows the module to regulate the AC output by controlling the phase angle rather than simply switching the load fully on or off. This can be useful in compatible heating and power-control applications where adjustable AC power is required.
4. Can the module detect a broken wire on an individual output channel?
Yes. The 6ES7132-6FD00-0CU0 supports channel-by-channel wire-break detection. This helps maintenance personnel identify an open-circuit condition in the connected load wiring. Detection depends on the specified response conditions, including the connected load and minimum detection current.