DANFOSS
PLUS+1® CONTROLLERS
The CAN-based controllers are a rugged and powerful programmable controller suitable for mobile and hydraulic applications due to their design architecture.
Similar to a PLC in their capabilities but vastly different in their size, design and appearance. They can be mounted in harsh and hot environments; they’re fully sealed, utilising automotive/mobile industry standard DEUTESCH connector technologies, making the controllers perfect to installation in enclosures, engine bays, operator compartments and machine rooms.
Capable of pump, motor, valve, servo and logic control with Danfoss’ own PLUS+1 GUIDE programming language or any of the IEC 61131-3 Standard Protocol languages, programming and communication via CAN bus network is simple for the system integrator all the way to the end user via the PLUS+1® Service Tool.
PLUS+1® MC microcontrollers
As the name stipulates micro controller, this is the smallest controller in the product range but has all the programming power and functionality of the larger controllers.
The MC product range is the most commonly used globally and is the foundations for the majority of our hydraulic applications.
PLUS+1® Input & Output Modules
Complementary to the entire range, the use of input and output modules expands the capacity of the main controller so that additional devices and be controlled.
Depending on the design of the system, it can sometimes be more cost efficient to use a smaller main controller and addition Input & Output Modules to reach the desired I/O pin count.
PLUS+1® SC microcontrollers
The Safety Controller range has similar functionality as the MC range although has been certified as Safety Integrity Level 2, means it is suitable for use in critical applications up to and including Safety Integrity Level 2, the use of a certified devices means design and implement of safety system is simpler, It can reduce cost over the long term and provides an important measure of quality and reliability.
PLUS+1® High Current controllers
The High Current range is aimed at OEMs and applications requiring the control of motors, pumps and any high power devices, the benefits of the controller is additional standalone hardware does not need to be used when selected as the HC range is capable of the logic and direct control if the device.
PLUS+1® XL controllers
With only one model in this range, the XL controller is as the name implies, the XL controller has the highest pin-count in the PLUS+1 controller families and can eliminate the need for expansion modules, supporting stream lined design and reduced component footprint.
FAQs
What are Danfoss PLUS+1 Controllers?
Danfoss PLUS+1 Controllers are rugged electronic control units (ECUs) designed for mobile and off-highway machinery. They provide reliable control of hydraulic, electric, and electro-hydraulic systems across a wide range of applications.
Multilec Engineering supplies, programs, and commissions PLUS+1 Controllers as part of complete machine control solutions.
What types of PLUS+1 hardware are available?
The PLUS+1 hardware portfolio includes:
- Main machine controllers (MC series)
- Expansion and I/O modules
- Displays and human–machine interfaces (HMI)
- Sensors, joysticks, and operator input devices
Multilec Engineering assists with hardware selection to ensure suitability for the machine environment and functional requirements.
What is the PLUS+1 GUIDE platform?
PLUS+1 GUIDE is Danfoss’ graphical development environment used to configure, program, and deploy control applications on PLUS+1 hardware.
It enables engineers to design control logic, safety functions, and user interfaces using a model-based, graphical approach.
What role does Multilec Engineering play with PLUS+1 GUIDE?
Multilec Engineering provides:
- Custom software development using PLUS+1 GUIDE
- Machine control logic design and optimisation
- HMI and display development
- System testing, validation, and commissioning
- Ongoing software support and updates
Why choose the Danfoss PLUS+1 platform?
Why PLUS+1?
- Proven, industry-standard platform for mobile and off-highway machinery
- Modular hardware range allowing scalable and future-proof designs
- Powerful PLUS+1 GUIDE development environment for rapid, reliable software development
- Strong diagnostics and serviceability, reducing downtime
- Long-term product support and lifecycle management from Danfoss
Multilec Engineering leverages these strengths to deliver robust, maintainable control systems tailored to each application.
What applications are PLUS+1 Controllers typically used for?
PLUS+1 systems supplied by Multilec Engineering are commonly used in:
- Construction and earthmoving equipment
- Agricultural machinery
- Mining and quarry equipment
- Material handling and lifting systems
- Special-purpose and custom mobile machines
Are PLUS+1 Controllers suitable for harsh environments?
Yes. PLUS+1 Controllers are designed for mobile and industrial use and feature:
- Wide operating temperature ranges
- High resistance to vibration and shock
- Protection against dust and moisture (model dependent)
Multilec Engineering selects hardware based on environmental and duty-cycle requirements.
How do PLUS+1 Controllers communicate with other systems?
PLUS+1 Controllers support multiple communication protocols, including:
- CANBus
- CANOpen
- ISOBus
- J1939
- Ethernet
This allows integration with engines, transmissions, sensors, displays, and third-party control systems.
Can PLUS+1 systems be customised for specific machines?
Yes. One of the key advantages of PLUS+1 is its flexibility. Multilec Engineering customises:
- Control strategies and logic
- Safety interlocks and machine states
- Operator interfaces and displays
- Diagnostics and fault handling
How is safety handled in PLUS+1 systems?
Safety functions are implemented through a combination of:
- Certified PLUS+1 safety-rated hardware (where required)
- Software-based safety logic developed in PLUS+1 GUIDE
- Redundant inputs and outputs
Multilec Engineering designs systems to meet applicable functional safety requirements.
Can PLUS+1 GUIDE software be updated after commissioning?
Yes. Software can be updated, refined, or expanded throughout the machine lifecycle. Multilec Engineering provides version control, testing, and support for ongoing software changes.
What diagnostics and troubleshooting features are available?
PLUS+1 systems can include:
- On-screen diagnostics and fault messages
- CAN-based service tools
- Data logging and fault history
These features assist operators and service technicians in identifying and resolving issues quickly.
Can PLUS+1 Controllers integrate with Danfoss Radio Remote Controls?
Yes. Multilec Engineering regularly integrates PLUS+1 Controllers with Danfoss Radio Remote Control (RCT) systems, enabling seamless local and remote machine operation.
Who owns the PLUS+1 GUIDE application software?
Software ownership and access are defined by project agreement. Multilec Engineering works with customers to ensure clarity around intellectual property, source files, and long-term support arrangements.
What support does Multilec Engineering provide after delivery?
Multilec Engineering offers:
- Commissioning and on-site support
- Remote diagnostics and software updates
- Fault finding and system optimisation
- Long-term lifecycle and obsolescence support
Where can I get further information or support?
For PLUS+1 hardware selection, software development, system upgrades, or technical support, contact Multilec Engineering. We provide complete PLUS+1 solutions from concept through to long-term support.