Carel 1tool Software Official
Enthalpy calculations, dew point tracking, defrost cycle management, and multi-compressor sequencing. Variables and Data Types
The availability of pre-tested, industry-specific function blocks means engineers do not have to reinvent the wheel for standard routines like oil recovery or anti-freeze alarms.
The Strategy Editor is where the core control logic is built.
, such as specific sensor linearization or compressor management functions. End-to-End Development
Mastering Carel 1tool Software: The Ultimate Guide to HVAC/R Programming carel 1tool software
A graphical environment where you build the control loop using Functional Block Diagrams (FBD). This is where the core calculation and control algorithms live.
To test logic and UI behavior in a virtual environment before deployment.
The software comes pre-loaded with CAREL’s extensive expertise in the form of algorithms for PID control, defrost management, electronic expansion valve (EEV) regulation, compressor staging, and psychrometric calculations. 2. User Interface (UI) Designer
: Pre-set algorithms based on secure, consolidated logic. , such as specific sensor linearization or compressor
: Unlike general-purpose PLC software, 1tool includes specialized libraries tailored for HVAC/R applications
Developers can map internal controller variables to specific communication registers with a few clicks, eliminating manual register-mapping errors. 4. Advanced Simulation and Debugging
Do not place all your logic in the fastest execution loop. Put calculation-heavy thermodynamic formulas in slower tasks to prevent CPU overloading and watchdog reset errors.
Utilize text note annotations inside the FBD sheet. Explain complex logic formulas or interlock conditions so future technicians can service the code easily. To test logic and UI behavior in a
For those new to the software, Carel offers a structured learning path through their and technical documentation. Because 1tool is a professional-grade software, it often requires a license and a hardware key (dongle) to operate fully. Pro Tips for Success:
Engineers select visual blocks representing inputs, outputs, mathematical operations, and advanced algorithms.
Assigning universal inputs (UIs) as NTC, ratiometric, or 0-10V sensors.