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The Siemens 6ES7132-6FD00-0BB1 is a four-channel AC digital output module belonging to the SIMATIC ET 200SP distributed I/O system. Unlike conventional 24 V DC output modules, this version switches AC loads and supports operating voltages ranging from 24 V to 230 V AC.
The module is intended for applications where PLC-controlled switching of AC-powered devices is required. Typical loads include small contactors, solenoid actuators, indicator devices, and other industrial equipment with compatible AC control circuits.
Each of its four output channels uses a Triac switching element and supports a rated output current of 2 A. The module can therefore handle AC switching tasks directly, without requiring an intermediate relay for every compatible load.
One important characteristic is its output technology. Triac outputs are semiconductor-based AC switches rather than mechanical contacts. They have no moving contact mechanism and are suitable for repetitive switching operations within the specified electrical and switching-frequency limits.
The 6ES7132-6FD00-0BB1 belongs to the Standard (ST) range of ET 200SP modules. It supports configurable substitute values and module status monitoring, but it does not provide individual channel diagnostic functions such as short-circuit and wire-break detection.
The module uses a BU type B1 BaseUnit, which is an important consideration when planning an ET 200SP station or replacing an existing output module. Its AC switching capability also makes it necessary to check load characteristics, protective devices, and wiring arrangements before commissioning.
For machine builders, this module is particularly useful when the control system needs to switch several AC loads from a compact distributed I/O station.
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Model | 6ES7132-6FD00-0BB1 |
| Product Series | SIMATIC ET 200SP |
| Product Type | Digital Output Module |
| Module Designation | DQ 4×24…230VAC/2A ST |
| Number of Digital Outputs | 4 |
| Output Technology | Triac |
| Output Voltage | 24–230 V AC |
| Rated Supply Voltage | 230 V AC |
| Permissible Voltage Range | 20.4–264 V AC |
| Rated Output Current | 2 A per channel |
| Maximum Total Output Current | 8 A |
| Output Frequency | 50/60 Hz |
| Maximum Switching Frequency (Resistive Load) | 10 Hz |
| Maximum Switching Frequency (Inductive Load) | 0.5 Hz |
| Maximum Switching Frequency (Lamp Load) | 1 Hz |
| Compatible BaseUnit | BU Type B1 |
| Color Code | CC41 |
| Address Space | 1 byte output + 1 byte value status |
| Substitute Values | Supported |
| Channel Diagnostics | Not supported |
| Module Diagnostics | Supported |
| PWM Function | Not supported |
| Electrical Isolation | Between channels and backplane bus |
| Configuration Software | STEP 7 / TIA Portal |
| TIA Portal Version | V13 or higher |
| Power Loss | Approximately 9 W under specified full-load conditions |
| Dimensions | 20 × 73 × 58 mm |
| Weight | 0.059 kg |
The Siemens 6ES7132-6FD00-0BB1 converts PLC output commands into AC switching signals using semiconductor Triac technology.
The module receives output data through the ET 200SP backplane bus. When the PLC activates one of the four output channels, the corresponding Triac switching circuit allows current to flow through the connected AC load.
A typical control path is:
SIMATIC PLC → ET 200SP Interface Module → Backplane Bus → 6ES7132-6FD00-0BB1 → AC Field Load
For example, in an industrial machine, one output may control a 230 V AC contactor coil, while another operates an AC solenoid valve. The PLC determines the switching sequence, and the module performs the electrical switching required by each command.
The Triac output differs from a conventional relay output in how it handles electrical current. It is a semiconductor device that controls AC conduction rather than physically opening and closing mechanical contacts.
This makes the module suitable for repetitive switching applications, but the load characteristics must be considered carefully.
Resistive Loads: Heating elements and similar loads can be switched at frequencies up to 10 Hz under the specified operating conditions.
Inductive Loads: Contactors and solenoid coils require additional consideration because inductive current characteristics affect switching behavior. The specified maximum switching frequency is 0.5 Hz.
Lamp Loads: The specified maximum switching frequency for lamp loads is 1 Hz.
The module also supports configurable substitute values. These allow the system to apply predefined output states under supported fault conditions.
One important limitation is that the module does not provide individual channel diagnostics. A field wiring fault should therefore be investigated through external circuit checks and the available module status information rather than relying on channel-level short-circuit or wire-break alarms.
The 6ES7132-6FD00-0BB1 operates as the AC output stage within a distributed ET 200SP automation station. It receives digital commands from the PLC and switches the corresponding AC circuits connected to field equipment.
The module is installed on a BU type B1 BaseUnit, which provides the mechanical mounting and electrical connection arrangement. The ET 200SP interface module handles 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 → 6ES7132-6FD00-0BB1 → 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 PLC network |
| 6ES7132-6FD00-0BB1 | Provides four AC digital output channels |
| ET 200SP BU Type B1 | Provides the required mounting and electrical connection arrangement |
| AC Power Supply | Supplies the connected AC output circuits |
| Digital Input Modules | Acquire feedback from switches and sensors |
| AC Contactors | Switch external AC power circuits |
| Solenoid Actuators | Convert electrical signals into mechanical or fluid-control actions |
| Indicator Devices | Display equipment operating conditions |
| Protective Fuses | Provide the required protection for external output circuits |
The module handles the electrical switching function, while the PLC controls the timing and sequence of the connected equipment.
The BaseUnit and external protection arrangement must be selected according to the module’s AC operating requirements. In particular, a 10 A fuse with the specified tripping characteristics is required when using the BU type B1 arrangement.
The 6ES7132-6FD00-0BB1 is suitable for automation installations where PLC-controlled AC switching is required. Its four outputs can operate compatible AC loads directly within the specified electrical limits.
| Industrial Application | Typical Use |
|---|---|
| Packaging Machinery | Switching AC solenoid valves and auxiliary control devices |
| Automotive Manufacturing | Operating AC contactors and machine auxiliary circuits |
| Industrial Heating Systems | Switching compatible AC heating control loads |
| Food and Beverage Processing | Controlling AC-powered valves and auxiliary equipment |
| Chemical Manufacturing | Switching AC actuators in automated process systems |
| Water Treatment | Operating AC control devices and auxiliary switching circuits |
| Material Handling | Controlling compatible AC-powered machine components |
| Textile Manufacturing | Switching auxiliary AC equipment in production machinery |
| Assembly Automation | Operating AC contactors and control mechanisms |
| General Industrial Manufacturing | Providing distributed AC output control in PLC installations |
During troubleshooting, check the external AC supply, fuse condition, field wiring, and connected load before replacing the module. Since individual channel diagnostics are not supported, a systematic inspection of the external output circuit is particularly important.
| Component | Function |
|---|---|
| Siemens 6ES7132-6FD00-0BB1 | ET 200SP four-channel AC digital output module |
| Siemens ET 200SP BU Type B1 | Compatible BaseUnit |
| Siemens ET 200SP Interface Module | Connects the distributed I/O station to the controller network |
| Siemens SIMATIC S7-1200 | PLC controller for distributed automation applications |
| Siemens SIMATIC S7-1500 | PLC controller for industrial control systems |
| Siemens 24 V DC Power Supply | Supplies ET 200SP electronic and control circuits where required |
| AC Power Supply | Supplies the external AC load circuits |
| Siemens 6ES7131 Series | ET 200SP digital input modules |
| Siemens 6ES7134 Series | ET 200SP analog input modules |
| Siemens 6ES7135 Series | ET 200SP analog output modules |
| External Protective Fuse | Protects the AC output circuit according to installation requirements |
| Model / Product | Product Type | Typical Application |
|---|---|---|
| Siemens 6ES7132-6FD00-0CU0 | ET 200SP Digital Output Module, DQ 4×24…230VAC/2A HF | AC output applications with advanced functionality |
| Siemens 6ES7132-6BD20-0BA0 | ET 200SP Digital Output Module, DQ 4x24VDC/2A ST | 24 V DC actuator control |
| Siemens 6ES7132-6BH01-0BA0 | ET 200SP Digital Output Module, DQ 16x24VDC/0.5A ST | Multi-channel DC output control |
| Siemens 6ES7132-6BF01-0AA0 | ET 200SP Digital Output Module, DQ 8x24VDC/0.5A BA | Basic 24 V DC output applications |
| Siemens 6ES7132-6BF61-0AA0 | ET 200SP Digital Output Module, DQ 8x24VDC/0.5A SNK BA | Sinking digital output applications |
| Siemens 6ES7131-6BH01-0BA0 | ET 200SP Digital Input Module | 24 V DC field signal acquisition |
The 6ES7132-6FD00-0BB1 uses Triac outputs for switching AC loads between 24 V and 230 V AC. Conventional ET 200SP DC output modules use semiconductor switching arrangements intended for DC loads. The two types have different electrical characteristics and cannot be treated as interchangeable.
Yes, provided that the contactor coil is compatible with the module’s output voltage and current ratings. The coil’s inrush and holding current characteristics must also be considered, together with the specified switching-frequency limit for inductive loads.
No. The 6ES7132-6FD00-0BB1 does not provide individual channel diagnostics for short circuits or wire breaks. It supports module-level status indication, but external circuit inspection is necessary when investigating individual output faults.
The BU type B1 BaseUnit provides the electrical and mechanical interface specified for this AC output module. It also forms part of the required installation and protection arrangement. The BaseUnit type must be verified before installation, and the specified external fuse protection must be observed.