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- 6ES7132-6MD00-0BB1
- Digital Output Module
- Germany
- 20 × 73 × 58 mm
- 0.054 kg
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Product Overview
The Siemens 6ES7132-6MD00-0BB1 is a relay-based digital output module for the SIMATIC ET 200SP distributed I/O system. Its official product designation is RQ 4x120VDC-230VAC/5A NO MA ST, identifying a four-channel relay output module with normally open contacts and manual operation capability.
The module converts digital control commands from a SIMATIC PLC into switching actions for external electrical circuits. Each of its four relay channels provides a normally open contact, allowing the controller to operate contactors, solenoid valves, auxiliary relays, and other compatible industrial loads.
A distinguishing feature of the 6ES7132-6MD00-0BB1 is its manual operation function. In addition to controller-based switching, the module supports manual operation of its relay outputs, which can be useful during commissioning, maintenance, and functional testing. This capability differentiates it from standard relay output variants without manual operation.
The module supports switching voltages from 24 to 120 V DC and 24 to 230 V AC. Each channel supports a maximum switching current of 5 A for resistive loads and 2 A for inductive loads, subject to the specified operating conditions.
As part of the ET 200SP platform, the module communicates through the station backplane bus and can be installed on compatible BU type B0 or B1 BaseUnits. It also supports substitute values, supply voltage monitoring, and module diagnostics.
The 6ES7132-6MD00-0BB1 is suitable for distributed automation installations where relay-based load switching and local manual operation are both required.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Model | 6ES7132-6MD00-0BB1 |
| Product Series | SIMATIC ET 200SP |
| Product Type | Digital Output Module |
| Official Product Designation | RQ 4x120VDC-230VAC/5A NO MA ST |
| Module Type | Relay Output Module |
| Number of Digital Outputs | 4 |
| Output Type | Relay |
| Contact Configuration | Normally Open (NO) |
| Manual Operation | Yes |
| Rated Supply Voltage | 24 V DC |
| Permissible Supply Voltage | 19.2–28.8 V DC |
| Rated Switching Voltage (DC) | 24–120 V DC |
| Rated Switching Voltage (AC) | 24–230 V AC |
| Maximum Switching Current (Resistive) | 5 A per Channel |
| Maximum Switching Current (Inductive) | 2 A per Channel |
| Maximum Module Output Current | 20 A |
| Maximum Switching Frequency (Resistive Load) | 2 Hz |
| Maximum Switching Frequency (Inductive Load) | 0.5 Hz |
| Maximum Switching Frequency (Lamp Load) | 2 Hz |
| Minimum Switching Current | 100 mA at 5 V DC |
| Relay Coil Voltage | 24 V DC |
| Maximum Relay Coil Current | 40 mA for All Relays |
| Maximum Current Consumption | 100 mA without Load |
| Typical Power Loss | 1.5 W |
| Number of Switching Cycles | Up to 7,000,000 |
| External Relay Protection | Maximum 6 A Fast-Acting Miniature Fuse |
| Compatible BaseUnit | BU Type B0 / B1 |
| Color Code | CC40 |
| Substitute Value Output | Yes |
| Supply Voltage Monitoring | Yes |
| Diagnostic Alarm | Yes |
| Channel Status Display | Green LED |
| Module Status Display | Green/Red DIAG LED |
| Configuration Software | STEP 7 V13 SP1 or Higher |
| PROFIBUS Configuration | GSD Revision 3 and Higher |
| PROFINET Configuration | GSDML V2.3 |
| Short-Circuit Protection | No |
| Safety Function Suitability | No |
| Protection Rating | IP20 |
| Operating Temperature | -30 to +60°C (Horizontal Installation) |
| Dimensions | 20 × 73 × 58 mm |
| Weight | 0.054 kg |
Product Features
- Four Relay Output Channels: Provides four independent relay switching channels for controlling external electrical equipment.
- Manual Operation Capability: Supports manual operation of relay outputs for commissioning and maintenance activities.
- Normally Open Contacts: Each channel uses a normally open relay contact that closes when activated.
- Electrical Isolation: Provides isolation between individual output channels and between the output circuits and the backplane bus.
- Wide Switching Voltage Range: Supports 24–120 V DC and 24–230 V AC external switching circuits.
- 5 A Resistive Load Capacity: Supports up to 5 A per channel for specified resistive loads.
- Inductive Load Switching: Supports inductive loads up to 2 A per channel under specified operating conditions.
- Substitute Value Function: Allows configured substitute output values under supported operating conditions.
- Integrated Diagnostics: Provides supply voltage monitoring, diagnostic alarms, and module status indication.
- Flexible BaseUnit Compatibility: Supports BU type B0 and B1 BaseUnits for different ET 200SP connection arrangements.
Product Working Principle
The Siemens 6ES7132-6MD00-0BB1 converts digital output commands into relay switching operations through four mechanical relay channels.
During normal automatic operation, the SIMATIC controller sends output commands through the ET 200SP interface module. These commands travel across the station backplane bus to the relay output module.
When an output is activated, the corresponding relay coil is energized using the 24 V DC supply. The electromagnetic action closes the normally open contact, completing the external electrical circuit. When the output is deactivated, the relay releases and the contact returns to its normally open state.
A simplified control arrangement is:
SIMATIC PLC → ET 200SP Interface Module → Backplane Bus → 6ES7132-6MD00-0BB1 → Relay Contacts → External Loads
The module also supports manual operation. This provides an additional operating method for relay switching during service and commissioning procedures, reducing dependence on controller commands for supported manual operations.
Each output channel is electrically isolated from the other channels. This arrangement allows separate external circuits to be switched while maintaining the specified electrical separation.
The module supports resistive switching currents up to 5 A and inductive switching currents up to 2 A per channel. Inductive loads require particular attention because the interruption of current can generate voltage transients. Suitable external suppression and protection should be applied according to the connected equipment.
The module continuously monitors its supply voltage and provides diagnostic information through its PWR and DIAG indicators. These functions help maintenance personnel identify supply-related problems and module operating conditions.
Role in Siemens SIMATIC ET 200SP Control Architecture
Within the SIMATIC ET 200SP architecture, the 6ES7132-6MD00-0BB1 serves as a relay output interface between the PLC control program and external field circuits.
The controller executes the automation logic and transfers output commands to the distributed I/O station through the communication interface. The backplane bus distributes these commands to the relay module, which operates the corresponding output contacts.
The manual operation capability adds another operating method for maintenance and commissioning activities.
A typical control arrangement is:
SIMATIC PLC → ET 200SP Interface Module → Backplane Bus → 6ES7132-6MD00-0BB1 → External Electrical Equipment
| System Component | Function |
|---|---|
| SIMATIC S7-1200 / S7-1500 PLC | Executes automation logic |
| ET 200SP Interface Module | Connects the distributed I/O station to the controller network |
| 6ES7132-6MD00-0BB1 | Provides four relay outputs with manual operation |
| ET 200SP BU Type B0 | Provides the three-wire connection arrangement |
| ET 200SP BU Type B1 | Provides the two-wire connection arrangement |
| 24 V DC Power Supply | Supplies the module and relay coils |
| Contactors | Switch external power circuits |
| Solenoid Valves | Receive relay-based switching commands |
| Auxiliary Relays | Interface with external control circuits |
| Field Wiring | Connects the relay contacts to external loads |
This arrangement is useful in control cabinets where manual switching capability is required alongside PLC-based operation.
Industrial Applications
The 6ES7132-6MD00-0BB1 is suitable for industrial installations requiring relay-based switching, isolated output channels, and manual operation capability.
| Industrial Application | Typical Use |
|---|---|
| Manufacturing Automation | Switching contactors and auxiliary electrical equipment |
| Packaging Machinery | Operating machine actuators and control circuits |
| Conveyor Systems | Switching motor contactor circuits |
| Material Handling | Controlling external switching devices |
| Water Treatment | Operating pumps and auxiliary electrical equipment |
| HVAC Automation | Switching fans, dampers, and control relays |
| Chemical Processing | Controlling external electrical circuits |
| Power Distribution | Switching auxiliary control equipment |
| Industrial Assembly Lines | Operating machine interlocks and signaling devices |
| Building Automation | Switching compatible electrical loads |
Installation and Maintenance
- Verify the Module Number: Confirm that 6ES7132-6MD00-0BB1 matches the project hardware configuration and required relay output functions.
- Check BaseUnit Compatibility: Select a compatible BU type B0 or B1 BaseUnit according to the required wiring arrangement.
- Inspect the Module: Check the housing, connection interfaces, and mechanical coding elements for visible damage.
- Isolate the Power Supply: Disconnect the relevant power supplies before installing or removing the module.
- Mount the Module: Install the module on the designated ET 200SP BaseUnit and ensure that it is securely seated.
- Verify Supply Voltage: Confirm that the 24 V DC supply is within the specified 19.2–28.8 V DC operating range.
- Check Relay Output Wiring: Connect each normally open relay contact according to the Siemens wiring diagram and external circuit requirements.
- Verify Electrical Isolation: Maintain the specified separation between output circuits and avoid unintended connections between independent field circuits.
- Check Load Ratings: Ensure that resistive loads do not exceed 5 A and inductive loads do not exceed 2 A per channel.
- Install External Protection: Provide the specified fast-acting miniature fuse protection, with a maximum tripping current of 6 A, for the relay output circuits.
- Configure Manual Operation: Check the module’s manual operation arrangements and follow the Siemens operating instructions before using manual switching during commissioning or maintenance.
- Perform Functional Testing: Test all four relay outputs, verify automatic and supported manual operation, inspect PWR and DIAG indicators, and record the commissioning results.
During routine maintenance, inspect the terminal connections, relay contact performance, external fuse protection, and diagnostic indications. When controlling inductive loads, verify that suitable suppression measures are installed to reduce switching transients.
Compatible System Components
| Component | Function |
|---|---|
| Siemens 6ES7132-6MD00-0BB1 | Four-Channel Relay Output Module with Manual Operation |
| Siemens ET 200SP BU Type B0 | Compatible Three-Wire BaseUnit |
| Siemens ET 200SP BU Type B1 | Compatible Two-Wire BaseUnit |
| Siemens ET 200SP Interface Module | Distributed I/O Communication |
| Siemens 6ES7131 Series | ET 200SP Digital Input Modules |
| Siemens 6ES7132 Series | ET 200SP Digital Output Modules |
| Siemens 6ES7134 Series | ET 200SP Analog Input Modules |
| Siemens 6ES7135 Series | ET 200SP Analog Output Modules |
| Siemens SITOP Power Supply | 24 V DC Power Supply |
Recommended Related Models
| Model / Product | Product Type | Typical Application |
|---|---|---|
| Siemens 6ES7132-6HD01-0BB1 | Digital Output Module | Four-channel ET 200SP relay outputs |
| Siemens 6ES7132-6HD00-0BB1 | Digital Output Module | ET 200SP normally open relay outputs |
| Siemens 6ES7132-6HC50-0BU0 | Digital Output Module | Three-channel isolated relay outputs |
| Siemens 6ES7132-6HC70-0BU0 | Digital Output Module | Three-channel non-isolated relay outputs |
| Siemens 6ES7132-6BH00-0AA0 | Digital Output Module | ET 200SP transistor outputs |
| Siemens 6ES7132-6GD51-0BA0 | Signal Relay Module | ET 200SP relay switching |
Key Advantages
- Four independent relay output channels.
- Integrated manual operation capability.
- Normally open relay contacts.
- Electrical isolation between output channels.
- Supports AC and DC switching applications.
- Maximum 5 A resistive switching current per channel.
- Compatible with BU type B0 and B1 BaseUnits.
- Substitute value output and supply voltage diagnostics.
- Suitable for commissioning and industrial maintenance applications.
Technical FAQs
1. What does MA mean in the product designation RQ 4x120VDC-230VAC/5A NO MA ST?
MA identifies the manual operation version of the relay output module. Unlike standard variants without this designation, the 6ES7132-6MD00-0BB1 supports manual operation in addition to PLC-controlled switching.
2. How many relay outputs does the 6ES7132-6MD00-0BB1 provide?
The module provides four relay output channels. Each channel uses a normally open contact and supports switching external AC or DC circuits within the specified voltage and current limits.
3. What is the difference between the 6ES7132-6MD00-0BB1 and 6ES7132-6HD01-0BB1?
Both are four-channel ET 200SP relay output modules with normally open contacts. The 6ES7132-6MD00-0BB1 includes manual operation capability, while the 6ES7132-6HD01-0BB1 is a standard relay output version without the MA designation.
4. Which BaseUnit should be used with the 6ES7132-6MD00-0BB1?
Siemens specifies BU type B0 and B1 BaseUnits. B0 supports the three-wire connection arrangement, while B1 supports the two-wire arrangement. The selection should match the wiring design of the ET 200SP station.