Carel 1tool 2.6.46 2.6.57 Sp1 — Simple & Validated

Carel 1tool is the professional development environment specifically designed for programming CAREL's range of programmable controllers, including the pCO sistema series. Versions 2.6.46 and 2.6.57 SP1 represent key stable releases in the software’s lifecycle, providing HVAC/R (Heating, Ventilation, Air Conditioning, and Refrigeration) engineers with a robust platform for application design. Overview of Carel 1tool

on migrating a project from 2.6.46 to 2.6.57 SP1, or are you looking for specific block library documentation? 1tool - CAREL Carel 1tool 2.6.46 2.6.57 SP1

Step-by-Step Installation (Both versions)

  1. Uninstall old versions: Use Revo Uninstaller or Windows "Add/Remove Programs" to remove previous 1tool versions. Manually delete C:\Carel\1tool folder.
  2. Install the base software: Run Setup.exe for either 2.6.46 or 2.6.57.
  3. Apply SP1 (if installing 2.6.57): After base installation, run Carel_1tool_2.6.57_SP1_Patch.exe. Note: Do not apply this patch to 2.6.46.
  4. Driver Configuration: Go to Tools > Options > Serial Port. Set:

    Part 7: The Future – Moving Beyond 1tool

    While Carel 1tool 2.6.46 and 2.6.57 SP1 remain functional, Carel has shifted focus to c.driver and tERA (Cloud supervision). However, for offline servicing of legacy plants, 1tool is irreplaceable. Keep a portable USB stick with both version installers and their respective USB drivers in your tool kit. Uninstall old versions: Use Revo Uninstaller or Windows

    Optimizing HVAC Control: A Deep Dive into Carel 1tool 2.6.46 and 2.6.57 SP1 for offline servicing of legacy plants

    Key Features in 2.6.46

    1. pCO5+ Compatibility: This version introduced native support for Carel’s next-gen pCO5+ controllers, which featured expanded memory and faster I/O scanning.
    2. Ethernet Direct Connect Fixes: Previous versions often dropped connections over TCP/IP when firewalls were active. 2.6.46 included a revised network stack that stabilized long-term remote monitoring sessions.
    3. Logging Algorithm: The data recorder received an update allowing for variable sample rates as low as 100ms—critical for compressor surge analysis.
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