We conducted a benchmark using a standard Lenovo laptop (i5-7300U, 8GB RAM, Windows 10 Pro) connected to a pCO3 controller via USB-RS485.
Should you use 2.6.46?
Should you use 2.6.57 SP1?
This happens when you try to open a very old (pre-2015) .cpr file directly in 2.6.57 SP1.
Released circa 2016-2017, 2.6.46 was the safe zone. Carel 1tool 2.6.46 2.6.57 SP1
Here is the drama. 2.6.57 was rushed out to support the pCO5+ family and new encryption keys. It broke compatibility with older USB-to-RS485 dongles (especially FTDI clones).
Then came SP1 (Service Pack 1). SP1 was not a performance boost. It was a security lockdown. We conducted a benchmark using a standard Lenovo
A built-in SCADA-lite tool used for debugging and monitoring.
The Carel 1Tool software is designed to work with Carel's range of controllers, offering a user-friendly interface for setting up, monitoring, and troubleshooting HVAC and refrigeration systems. It allows users to adjust parameters, monitor system performance in real-time, and diagnose issues. Should you use 2
The jump is not minor. It represents a significant refactor of the communications layer.
| Feature | 2.6.46 | 2.6.57 SP1 | | :--- | :--- | :--- | | Max Baud Rate | 115200 | 921600 (for pCO5) | | OS Compatibility | Win XP, Win 7 (32/64) | Win 7, Win 8.1, Win 10 (64-bit recommended) | | pCO5 Recognition | No | Full support (initial revision) | | USB Hotplugging | Requires restart of 1tool | Automatic COM port refresh | | Security | No password encryption | MD5 hash for user profiles | | Trend Export | CSV only | CSV + Native SQLite |