Carel 1tool 2.6.46 2.6.57 Sp1 _hot_ May 2026
Carel 1tool is an integrated development environment (IDE) for CAREL programmable controllers (pCO series), used to design, test, and commission HVAC/R applications. The versions 2.6.46 and 2.6.57 SP1 are historical releases of this suite, often bundled together for compatibility with legacy systems and specific hardware requirements. Core Software Environments
The Verdict: Evolution, Not Revolution
The transition from Carel 1tool 2.6.46 to 2.6.57 SP1 represents Carel’s shift from legacy industrial reliability to modern cyber-physical requirements. While 2.6.46 will always have a place on workshop laptops for older repairs, 2.6.57 SP1 is the mandatory upgrade for any technician connecting to a facility’s network or using Windows 11. Carel 1tool 2.6.46 2.6.57 SP1
- Baud: 19200 (for pCO2) or 38400 (for pCO3/pCO5)
- Parity: None
- Data Bits: 8
- Stop Bits: 1
- Flow Control: None
Recommendations
Guide for Using Carel 1Tool
Installation
-
Simulation & Debugging: Allows for real-time error reporting and virtual testing before deploying code to physical hardware. Carel 1tool is an integrated development environment (IDE)
C. 1tool - Supervisor
A built-in SCADA-lite tool used for debugging and monitoring. Baud: 19200 (for pCO2) or 38400 (for pCO3/pCO5)