ABB pluto b20 v2  abb safety controller

ABB pluto b20 v2 abb safety controller

ABB Pluto B20 v2 2TLA020070R4600 is a compact 24 V DC programmable safety controller with 20 I/O, Pluto safety bus and failsafe relay and transistor outputs for industrial machine safety applications.

SKU: 2TLA020070R4600Alt SKU: Pluto B20 v2MPN: 2TLA020070R4600
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Why Choose the ABB Pluto B20 v2 Safety Controller?

The ABB Pluto B20 v2 (2TLA020070R4600) is a compact and powerful programmable safety controller (Safety PLC) designed for machine safety applications and the control of safety-related circuits. As part of the ABB Pluto safety PLC range, it combines configurable safety I/O, failsafe outputs and integrated Pluto safety bus communication for flexible industrial machine safety systems.

The Pluto B20 v2 provides 20 total I/O, comprising 8 dedicated failsafe inputs, 8 configurable failsafe inputs/non-failsafe outputs, 2 individually failsafe relay outputs and 2 individually failsafe transistor outputs. This flexible I/O architecture enables safety sensors, emergency stops, guard switches and other protective devices to be incorporated into programmable machine safety functions.

Operating from a 24 V DC supply, the Pluto B20 v2 can communicate through the Pluto safety bus and is programmed using ABB Pluto Manager software. Its compact 84 × 45 × 120 mm format and DIN-rail-oriented design make it well suited to safety control installations where panel space and flexible system integration are important.

Key Advantages

  • Compact programmable safety PLC for industrial machine safety.
  • 20 total I/O provides flexible safety control within a compact controller.
  • 8 dedicated failsafe inputs for connecting safety devices.
  • 8 configurable failsafe inputs/non-failsafe outputs provide application flexibility.
  • Includes 2 individually failsafe relay outputs and 2 individually failsafe transistor outputs.
  • Integrated Pluto safety bus enables distributed safety architectures.
  • Supports safety functions up to Performance Level e (PL e).
  • Programming through ABB Pluto Manager simplifies safety logic configuration.

Key Features

  • ABB Pluto B20 v2 programmable safety controller.
  • 24 V DC rated control supply voltage.
  • 20 total I/O.
  • 8 failsafe inputs (I0–I7).
  • 8 configurable failsafe inputs/non-failsafe outputs (IQ10–IQ17).
  • 2 individually failsafe relay outputs (Q0–Q1).
  • 2 individually failsafe transistor outputs (Q2–Q3).
  • 1 analogue input capability on I5 for 0–27 V signals.
  • Integrated Pluto safety bus.
  • Version 2 hardware and processor.
  • Screw connection terminals.
  • Compact enclosure for industrial control cabinets.
  • IP20 protection at terminals and IP40 enclosure protection.

Flexible Safety Control for Industrial Machinery

Programmable safety controllers such as the ABB Pluto B20 v2 allow multiple machine safety functions to be implemented within one programmable platform. Safety inputs can monitor protective devices while failsafe relay and transistor outputs provide controlled switching for safety-related machine functions, reducing the need for numerous individual safety relays in more complex installations.

The Pluto platform is designed for distributed machine safety and supports communication over the Pluto safety bus. Combined with ABB Pluto Manager programming software, this enables machine builders and automation engineers to configure application-specific safety logic and integrate multiple safety devices into coordinated industrial safety systems.

Typical Applications

  • Industrial machine safety control systems.
  • Emergency stop monitoring and control.
  • Safety door and guard monitoring.
  • Light curtain and safety sensor applications.
  • Conveyor and material handling safety systems.
  • Packaging and production machinery.
  • Robotic and automated manufacturing cells.
  • OEM machinery and industrial automation systems.

Technical Specifications

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Coil / Supply Voltage 24 V DC
Manufacturer ABB
Series Pluto
Model Pluto B20 v2
Part number 2TLA020070R4600
Product type Programmable safety controller / Safety PLC
Supply voltage 24 V DC
Total I/O 20
Failsafe inputs 8 (I0–I7)
Configurable I/O 8 failsafe inputs / non-failsafe outputs (IQ10–IQ17)
Failsafe relay outputs 2 (Q0–Q1)
Failsafe transistor outputs 2 (Q2–Q3)
Analogue input 1 × 0–27 V on I5
Maximum total IQ load 2.5 A
Safety bus Pluto safety bus
Performance level Up to PL e
Safety category Category 4
Terminal protection rating IP20
Enclosure protection rating IP40
Connection type Screw connection
Conductor cross-section 0.34–4 mm²
Height 84 mm
Width 45 mm
Depth 120 mm
Weight 0.39 kg
HS Code 85371091
Country of Manufacture Poland

Frequently Asked Questions

What is the ABB Pluto B20 v2 2TLA020070R4600 used for?

The Pluto B20 v2 is a programmable safety controller designed to monitor and control safety functions in industrial machinery and automated systems.

How many I/O does the Pluto B20 v2 provide?

The controller provides 20 total I/O, consisting of 8 dedicated failsafe inputs, 8 configurable failsafe inputs/non-failsafe outputs, 2 failsafe relay outputs and 2 failsafe transistor outputs.

What supply voltage does the ABB Pluto B20 v2 require?

The ABB Pluto B20 v2 operates from a 24 V DC control supply.

Does the Pluto B20 v2 support the Pluto safety bus?

Yes. The Pluto B20 v2 has integrated Pluto safety bus support, enabling communication within distributed ABB Pluto machine safety systems.

What safety outputs does the Pluto B20 v2 provide?

The controller has 2 individually failsafe relay outputs (Q0–Q1) and 2 individually failsafe transistor outputs (Q2–Q3).

What safety performance level can the Pluto B20 v2 support?

The ABB Pluto B20 v2 is designed for safety applications requiring performance levels up to PL e and Category 4 safety architectures when correctly applied within the complete safety system.

How is the ABB Pluto B20 v2 programmed?

The controller is programmed using ABB Pluto Manager, the software environment used to configure and program Pluto safety PLC applications.

What are the dimensions of the Pluto B20 v2?

The controller measures 84 mm high, 45 mm wide and 120 mm deep and has a net weight of approximately 0.39 kg.

Trusted by Machine Builders Worldwide

ABB Pluto programmable safety controllers provide machine builders, system integrators and automation engineers with a flexible platform for implementing dependable safety functions across industrial machinery, production equipment and automated manufacturing systems.