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- Siemens
- 6ES7132-4HB13-0AB0
- Digital Output Relay Module
- Germany
- 15 × 81 × 52 mm
- 0.237 kg
- Xiamen, China
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Product Overview
The Siemens 6ES7132-4HB13-0AB0 is a two-channel relay digital output module for the SIMATIC ET 200S distributed I/O system. It is equipped with isolated changeover contacts, allowing each output channel to switch external electrical loads through normally open (NO) and normally closed (NC) contacts.
Unlike transistor-based output modules, this model uses electromechanical relays to control external AC and DC circuits. It supports DC load voltages from 24 V to 48 V and AC load voltages from 24 V to 230 V, with a rated output current of up to 5 A per channel.
The changeover contact configuration offers greater flexibility when implementing industrial switching logic. Depending on the control requirements, the relay contacts can be used to establish or interrupt an electrical circuit.
The 6ES7132-4HB13-0AB0 also supports substitute output values, allowing predefined output states to be applied when the controller or communication system enters a configured fault condition. It is suitable for controlling compatible solenoid valves, DC contactors, indicator lights, and other industrial electrical loads.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Product Type | SIMATIC ET 200S Digital Output Relay Module |
| Model | 6ES7132-4HB13-0AB0 |
| Product Series | SIMATIC ET 200S |
| Module Type | Digital Electronic Module |
| Output Type | Relay |
| Number of Outputs | 2 |
| Contact Configuration | 2 Changeover Contacts (NO/NC) |
| Rated Supply Voltage | 24 V DC |
| DC Load Voltage | 24–48 V DC |
| AC Load Voltage | 24–230 V AC |
| Rated Output Current | 5 A per channel |
| Minimum Load Current | 8 mA |
| Maximum Switching Frequency (Resistive Load) | 2 Hz |
| Maximum Switching Frequency (Inductive Load) | 0.5 Hz |
| Maximum Switching Frequency (Lamp Load) | 2 Hz |
| Electrical Isolation | Between channels, supply voltage, and backplane bus |
| Short-Circuit Protection | External 6 A fuse required |
| Substitute Value Output | Supported |
| Status Indicators | Green LED per channel |
| Diagnostics Function | Not supported |
| Power Dissipation | Typically 0.6 W |
| Dimensions | 15 × 81 × 52 mm |
| Weight | 0.237 kg |
Product Features
- Two relay output channels: Provides two independent switching channels for controlling external electrical equipment.
- Changeover contacts: Each channel includes normally open and normally closed contacts for different switching arrangements.
- AC and DC compatibility: Supports DC loads from 24 V to 48 V and AC loads from 24 V to 230 V.
- 5 A output capacity: Supports a rated current of up to 5 A per channel under specified operating conditions.
- Electrical isolation: Provides isolation between the output channels, supply voltage, and backplane bus.
- Substitute value output: Supports predefined output states for configured controller or communication fault conditions.
- Individual status indication: Green LEDs provide visual indication of the output channel status.
- Industrial load switching: Suitable for compatible solenoid valves, DC contactors, and indicator lights.
- Modular system integration: Fits the SIMATIC ET 200S distributed I/O architecture.
Working Principle
The 6ES7132-4HB13-0AB0 converts digital control commands from the PLC into switching operations through two internal electromechanical relays.
The basic signal path is:
SIMATIC PLC → ET 200S Backplane Bus → Relay Output Module → External Electrical Load
When the PLC activates an output channel, the corresponding relay changes the state of its contacts. The normally open contact closes while the normally closed contact opens, allowing the external circuit to switch according to the connected terminal configuration.
When the control command is removed, the relay returns to its normal contact position. This allows the connected equipment to respond to the PLC’s switching logic.
Each channel supports a rated output current of up to 5 A. The module supports AC loads up to 230 V and DC loads up to 48 V. Switching frequency depends on the electrical characteristics of the connected load, with lower switching frequencies required for inductive loads.
Electrical isolation between the relay channels and the backplane bus separates the field-side switching circuits from the internal communication system.
The module also supports substitute output values. These values can be configured to determine the output behavior when the controller or communication system enters a specified operating condition.
Role in the SIMATIC ET 200S Control Architecture
The 6ES7132-4HB13-0AB0 functions as a relay-based digital output interface in a Siemens SIMATIC ET 200S distributed I/O station.
The PLC executes the automation program and generates output commands. These commands are transferred through the ET 200S interface and backplane bus to the relay module, which switches the connected field devices.
A typical control arrangement is:
SIMATIC PLC → ET 200S Interface Module → Backplane Bus → 6ES7132-4HB13-0AB0 → Field Devices
| System Component | Function |
|---|---|
| SIMATIC PLC | Executes control logic and generates output commands |
| ET 200S Interface Module | Connects the distributed I/O station to the automation network |
| ET 200S Power Module | Supplies the required electrical potential group |
| ET 200S Terminal Module | Provides electrical connections for the electronic module |
| 6ES7132-4HB13-0AB0 | Switches external loads through two changeover relay contacts |
| Field Wiring | Connects the relay contacts to external electrical circuits |
| Field Devices | Receive switching commands from the PLC-controlled output circuits |
The module handles the field-side relay switching operation, while the PLC and distributed I/O interface manage control logic and data exchange.
Industrial Applications
| Application | Typical Use |
|---|---|
| Industrial Machinery | Switching external electrical equipment through relay contacts |
| Manufacturing Automation | Controlling discrete electrical loads |
| Solenoid Valve Control | Switching compatible AC or DC solenoid valves |
| Contactor Control | Operating external DC contactors |
| Indicator Systems | Controlling industrial signal lamps and indicators |
| Packaging Equipment | Switching auxiliary electrical devices |
| Material Handling | Controlling discrete equipment operations |
| Process Automation | Executing PLC-controlled switching functions |
| Industrial Control Cabinets | Providing relay-based output interfaces |
| Distributed I/O Systems | Expanding AC and DC switching capabilities near field equipment |
Installation and Maintenance
- Verify the module designation: Confirm that 6ES7132-4HB13-0AB0 is the required two-channel changeover relay output module.
- Check load voltage: Verify that connected equipment operates within the supported DC and AC voltage ranges.
- Observe output current limits: Ensure that each channel remains within its rated 5 A output capacity and applicable temperature limitations.
- Install external protection: Provide the specified external 6 A fuse protection for the relay output circuits.
- Isolate electrical power: Disconnect the relevant power sources before removing or installing the module.
- Inspect terminal connections: Check the terminal module and field wiring for loose connections, corrosion, or damaged insulation.
- Verify module seating: Ensure that the electronic module is correctly installed in its designated ET 200S mounting position.
- Check contact assignments: Confirm the common, normally open, and normally closed terminal assignments against the module wiring diagram.
- Evaluate load characteristics: Consider the switching frequency limitations for resistive, inductive, and lamp loads.
- Test relay operation: Activate each output separately and verify that the corresponding NO and NC contacts operate correctly.
- Monitor status indicators: Observe the green channel LEDs during commissioning and investigate unexpected switching behavior.
- Document maintenance activities: Record the module part number, wiring configuration, fuse ratings, connected loads, and test results.
Key Advantages
- Provides two independent relay output channels with changeover contacts.
- Supports both AC and DC electrical loads.
- Offers a rated switching current of 5 A per channel.
- Provides normally open and normally closed contact options.
- Supports electrical isolation between field circuits and the backplane bus.
- Includes configurable substitute output functionality.
- Integrates into the modular SIMATIC ET 200S distributed I/O architecture.
Technical FAQs
What is the difference between the 6ES7132-4HB13-0AB0 and the 6ES7132-4HB01-0AB0?
The 6ES7132-4HB13-0AB0 provides two changeover relay contacts (NO/NC), whereas the 6ES7132-4HB01-0AB0 provides two normally open relay outputs. Their contact configurations and supported DC voltage ranges differ, so they should not be treated as identical replacement modules.
Can the 6ES7132-4HB13-0AB0 switch both AC and DC loads?
Yes. It supports AC loads from 24 V to 230 V and DC loads from 24 V to 48 V. The connected load must also comply with the specified current and switching limitations.
How are the normally open and normally closed contacts used?
Each channel provides a common terminal, a normally open contact, and a normally closed contact. The NO contact closes when the relay is energized, while the NC contact opens. This arrangement supports different external switching circuit configurations.
Does the module provide built-in short-circuit protection?
No. The relay output circuits do not have integrated short-circuit protection. External 6 A fuse protection is required according to the module’s technical documentation.