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- ABB
- Vital 3 2TLA020070R4400
- Safety Controller
- Sweden (SE)
- 120 × 45 × 84 mm
- 0.39 kg
- Xiamen, China
- New & In Stock
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Product Overview
The ABB Vital 3 2TLA020070R4400 Safety Controller is a safety controller for machine protection systems where several safety devices need to be monitored as part of a coordinated safety circuit. It is suited to applications involving emergency stops, protective switches, light curtains, and other safety-related devices.
Vital 3 belongs to ABB’s machine safety product range and is used to supervise safety-device circuits before allowing the associated machine function to operate. When a connected safety device enters an unsafe state, the controller can initiate the required safety response through its safety outputs.
The controller is particularly useful in machinery where multiple safety devices must be handled within a common safety arrangement. It can be integrated with downstream switching equipment such as contactors or other safety-related control components that perform the actual interruption of hazardous machine operation.
In a machine control cabinet, the Vital 3 sits between the safety sensing devices and the final machine safety circuit. This gives maintenance personnel a defined point for checking safety inputs, output behavior, wiring, and the overall response of the protection circuit.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model | 2TLA020070R4400 |
| Product Family | Vital 3 |
| Product Type | Safety Controller |
| Primary Function | Safety-device monitoring and safety control |
| System Role | Machine safety control |
| Application | Machine safety and protective control systems |
| Dimensions | 120 × 45 × 84 mm |
| Weight | 0.39 kg |
Product Features
- Safety controller for industrial machine protection applications
- Vital 3 platform for monitoring safety-related devices
- Suitable for emergency-stop and protective-device circuits
- Can coordinate multiple safety inputs within a machine safety arrangement
- Provides safety-related outputs for downstream switching equipment
- Suitable for machinery requiring monitored safety functions
- Can be integrated with contactors and other safety-control components
- Useful for machine commissioning, safety testing, and maintenance
Working Principle
The Vital 3 monitors connected safety devices and evaluates their condition as part of the machine’s safety circuit. The controller permits the associated safety output to remain active only when the required safety conditions are satisfied.
For example, an emergency-stop device or protective guard can be connected to the safety circuit. When the device is activated, the safety condition changes and the Vital 3 responds by switching its safety output. The downstream safety circuit can then remove or inhibit the energy or motion associated with the hazardous machine function.
Safety Devices → Vital 3 → Safety Output → Contactors / Safety Switching → Machine
The controller therefore handles the safety decision within the circuit, while external switching equipment performs the final interruption of machine operation. After a safety event, the reset or restart behavior depends on the configured safety circuit and the connected machine-control arrangement.
Role in a Machine Safety Control Architecture
The Vital 3 forms the safety-control layer between machine protective devices and the equipment responsible for stopping hazardous operation.
Emergency Stop / Guard / Light Curtain → Vital 3 → Safety Outputs → Contactors / Safety Equipment → Machine
| System Element | Function |
|---|---|
| Emergency-Stop Devices | Initiate emergency stopping when required |
| Guard Switches | Detect opening or unsafe conditions of protective guards |
| Safety Light Curtains | Detect access to hazardous machine areas |
| Safety Sensors | Provide safety-related machine status information |
| Vital 3 | Evaluates safety-device conditions and controls outputs |
| Safety Outputs | Transfer the required safety response to downstream devices |
| Contactors | Disconnect or inhibit hazardous machine power |
| Machine Controller | Manages normal machine sequencing and process functions |
| Machine Equipment | Performs the physical production operation |
The Vital 3 is therefore used for the safety portion of the control architecture, while the standard machine controller can remain responsible for ordinary automation and production logic.
Industrial Applications
| Application | Typical Use |
|---|---|
| Packaging Machinery | Emergency-stop and protective-guard monitoring |
| Assembly Machines | Safety interlocks for operator access |
| Machine Tools | Guard and emergency-stop safety circuits |
| Conveyor Systems | Distributed emergency-stop and access protection |
| Robotics Cells | Hazardous-area access monitoring |
| Automated Production Lines | Coordinated machine safety functions |
| Material Handling Systems | Protective-device monitoring and shutdown control |
| Manufacturing Equipment | Safety circuit supervision for machine operation |
Installation and Maintenance
- Confirm that the Vital 3 model matches the intended machine safety application.
- Review the machine safety circuit and identify all connected protective devices.
- Install the controller in the designated control-panel location.
- Verify power and terminal connections before energizing the system.
- Connect safety devices according to the approved machine safety circuit.
- Connect the safety outputs to the intended downstream safety equipment.
- Verify that the reset and restart arrangement corresponds to the machine safety design.
- Test each emergency-stop and protective device during commissioning.
- Check that the corresponding safety output changes state when a safety device is activated.
- Inspect wiring and terminals if the controller indicates an unexpected safety condition.
- Recheck the safety circuit after replacing the controller or any connected safety device.
- Perform a complete safety-function test before returning the machine to production.
Compatible System Components
| Component | Function |
|---|---|
| Emergency-Stop Pushbuttons | Initiate emergency-stop functions |
| Safety Guard Switches | Monitor protective doors and machine guards |
| Safety Light Curtains | Detect access to hazardous machine areas |
| Safety Sensors | Monitor defined machine safety conditions |
| Safety Relays | Provide additional safety switching interfaces |
| Contactors | Disconnect hazardous machine power |
| Motor Starters | Control machine motor circuits within the safety arrangement |
| Variable Speed Drives | Control motor operation when integrated with safety functions |
| Standard PLC | Handles normal machine sequencing and process control |
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| ABB Vital 3 | Safety Controller | Machine safety circuit control |
| ABB Vital Series | Safety Controller Family | Machine safety and protective functions |
| ABB Pluto S20 | Programmable Safety Controller | Programmable machine safety control |
| ABB Pluto S20 v2 | Programmable Safety Controller | Configurable safety logic |
| ABB Pluto S30 | Programmable Safety Controller | Expanded machine safety applications |
| ABB Pluto S40 | Programmable Safety Controller | Larger programmable safety architectures |
| ABB Jokab Safety Products | Machine Safety Equipment | Safety sensing and switching |
Key Advantages
- Provides dedicated safety control for machine protection circuits.
- Monitors multiple safety-device conditions within a coordinated arrangement.
- Supports emergency-stop, guard, and access-protection functions.
- Interfaces with downstream contactors and other safety switching equipment.
- Separates safety functions from standard machine sequencing.
- Suitable for industrial machinery requiring supervised safety circuits.
Technical FAQs
How is the Vital 3 used with emergency-stop and guard circuits?
Emergency-stop devices, guard switches, and other compatible safety devices can form the input side of the safety circuit. The Vital 3 evaluates their condition and controls the safety outputs according to the configured machine safety arrangement.
What is the role of contactors connected to the Vital 3?
The Vital 3 provides the safety-control signal, while connected contactors can perform the physical interruption of hazardous machine power. The contactor arrangement must match the required safety function and machine circuit.
Can the Vital 3 replace the machine’s standard PLC?
The Vital 3 is intended for safety-related control functions rather than normal production sequencing. A standard PLC can continue to manage ordinary machine operation while the safety controller supervises the defined protective functions.
What should be checked if the Vital 3 prevents the machine from restarting?
Check the state of all connected safety devices, emergency-stop circuits, guard switches, reset conditions, wiring, and downstream safety equipment. A single active protective device or an incomplete reset condition can prevent the safety circuit from enabling machine operation.